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AVR-75 & 85


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AVR75/85
Dolby Digital Audio/Video Receiver

TECHNICAL MANUAL




                       Harman Consumer Group
                       250 Crossways Park Drive
                       Woodbury, N.Y. 11797
                       1-800 422-8026 in the USA
                         A Harman International Company

                       Rev A 12/99
Harman Kardon                                                                                                                                AVR75/85
Dolby Digital Audio/Video Receiver

                                                           TABLE OF CONTENTS
ELECTROSTATICALLY SENSITIVE (ES) DEVISES ....4                                AVR78 & AVR85 PACKING EXPLODED VIEW...........52

LEAKAGE TEST ............................................................4    VOLTAGE AMP PCB - P714.........................................53

AVR75 & AVR85 FRONT PANEL CONTROLS.............5                              AC3/DAC PCB - P604 ...................................................54

AVR75 & AVR85 FRONT PANEL DISPLAY                                             MAIN PCB -P704 ...........................................................55
  INFORMATION ..........................................................7
                                                                              AUDIO FUNCTION PCB - PS04,
AVR75 & AVR85 REMOTE CONTROL INFO ...............9                            AUDIO/VIDEO PCB - PS54,
                                                                              ELECTRONIC VOLUME CONTROL PCB - PE04,
AVR75 & AVR85 REAR PANEL CONNECTIONS .......12                                AC-3 CROSSOVER PCB - PC04..................................56

Service Bulletin #9705 for AVR85 .................................14          SPEAKER TERMINAL PCB - P754,
                                                                              VIDEO SELECTOR PCB - PL04,
SERVICE AND ADJUSTMENT .....................................16                CONNECT PCB - PY04.................................................57

ALIGNMENT AND TEST POINTS.................................20                  S-VIDEO PCB - PL54, 120V
                                                                              TUNER PCB - P104, 120V
AVR75/85 BLOCK DIAGRAM........................................22              STANDBY PCB - PB04, 120V
                                                                              SURROUND AMP PCB - PP04, 120V..........................58
SPECIFICATIONS..........................................................23
                                                                              S-VIDEO PCB - PL54, 230V
AVR75 MECHANICAL EXPLODED VIEW                                                TUNER PCB - P104, 230V
  (120V AND 230V).....................................................32      STANDBY PCB - PB04, 230
                                                                              SURROUND AMP PCB - PP04, 230V..........................59
AVR75 MECHANICAL PARTS LIST (120V & 230V) ...33
                                                                              FRONT PCB - PU04,
AVR85 MECHANICAL EXPLODED VIEW                                                S-VIDEO PCB - PL54, AVR85 ONLY
  (120V AND 230V).....................................................35      MASTER VOLUME PCB - PU54,
                                                                              SPEAKER PROTECT PCB - PN54,
AVR85 MECHANICAL PARTS LIST (120V & 230V) ...36                               TONE CONTROL PCB - PF04,
                                                                              AUX IN PCB - PL94,
AVR75/85 ELECTRICAL PARTS LISTS .......................38                     POWER SWITCH PCB - PU94,
  GENERAL MISCELLANEOUS .................................38                   HEADPHONE PCB - PW04...........................................60
  PCB - PB04, Standby...............................................38
  PCB - PC04, AC-3 Crossover..................................38              INTEGRATED CIRCUIT DIAGRAMS ........................61-71
  PCB - PW04, Headphone ........................................39
  PCB PU04, Front......................................................39     AVR75/85 WIRING DIAGRAM (120V & 230V).............72
  PCB - PL94, Aux In..................................................40
  PCB -PU54, Master Volume ....................................40             AVR75 (120V) SCHEMATIC DIAGRAM 1 of 8
  PCB - P724 ............................................................40   (FRONT PCB PU04,
  PCB - P734 ............................................................41   MASTER VOLUME PCB PU54,
  PCB - P744 ...........................................................41    AUX IN PL94) ................................................................73
  PCB - P714, Voltage Amp .......................................41
  PCB - PP04, Surround Amp ....................................42             AVR75 (120V) SCHEMATIC DIAGRAM 2 of 8
  PCB - PN54, Speaker Protect..................................42             (TUNER PCB P104) ......................................................74
  PCB - P604 AC-3/DAC ............................................43
  PCB - PU94, Power Switch......................................44            AVR75 (120V) SCHEMATIC DIAGRAM 3 of 8
  PCB - P704, Main.....................................................44     (AUDIO SELECTOR PCB PS04,
  PCB - PS04, Audio Funtion .....................................46           AUDIO/VIDEO PCB PS54) ............................................75
  PCB - P754, Speaker Terminal................................46
  PCB - PS54, Audio Video ........................................46          AVR75 (120V) SCHEMATIC DIAGRAM 4 of 8
  PCB - PY04, Connect ..............................................47        (AC-3 CROSSOVER PCB PC04,
  PCB - PF04, Tone Control .......................................48          TONE CONTROL PCB PF04,
  PCB - P104, Tuner ...................................................48     VIDEO SELECTOR PCB PL04,
  PCB - P104 Tuner (230v) Discrepency List ............49                     S-VIDEO PCB PL54) .....................................................76
  PCB - PE04, Electronic Volume Control..................50
  PCB - PL54, S-Video ...............................................51       AVR75 (120V) SCHEMATIC DIAGRAM 5 of 8
  PCB - PL04, Video Selector.....................................51           (CONNECT PCB PY04).................................................77




                                                                                                                                                            2
Harman Kardon                                                                                                                                         AVR75/85
Dolby Digital Audio/Video Receiver


AVR75 (120V) SCHEMATIC DIAGRAM 6 of 8                                             TONE CONTROL PCB - PF04,
(VOLTAGE AMP PCB - P714,                                                          VIDEO SELECTOR PCB - PL04,
MAIN PCB - P704,                                                                  S-VIDEO PCB - PL54)...................................................91
SURROUND AMP PCB - PP04,
SPEAKER TERMINAL PCB - P754,                                                      AVR85 (120V) SCHEMATIC DIAGRAM 5 of 8
HEADPHONE PCB - PW04,                                                             (CONNECT PCB - PY04) ..............................................92
SPEAKER PROTECT PCB - PN54,
STANDBY PCB - PB04,                                                               AVR85 (120V) SCHEMATIC DIAGRAM 6 of 8 (VOLTAGE
POWER SWITCH PCB - PU94)....................................78                    AMP PCB - P714, MAIN PCB - P704, SURROUND AMP
                                                                                  PCB - PP04, SPEAKER TERMINAL - P754,
AVR75 (120V) SCHEMATIC DIAGRAM 7 of 8                                              HEADPHONE PCB - PW04, SPEAKER PROTECT PCB
(ELECTRONIC VOLUME PCB - PE04) ........................79                         - PN54, STANDBY PCB - PB04, POWER SWITCH PCB
                                                                                  - PU94) ..........................................................................93
AVR75 (120V/230V) SCHEMATIC DIAGRAM 8 of 8
(AC-3/DSP PCB - P604)................................................80           AVR85 (120V) SCHEMATIC DIAGRAM 7 of 8
                                                                                  (ELECTRONIC VOLUME PCB - PE04) ........................94
AVR75 (230V) SCHEMATIC DIAGRAM 1 of 7
(FRONT PCB - PU04,                                                                AVR85 (120V & 230v) SCHEMATIC DIAGRAM 8 of 8
MASTER VOLUME PCB - PU54,                                                         (AVR85 DSP BOARD - P604).......................................95
AUX IN - PL94) .............................................................81
                                                                                  AVR85 (230V) SCHEMATIC DIAGRAM 1 of 8 (FRONT
AVR75 (230V) SCHEMATIC DIAGRAM 2 of 7                                             PCB - PU04, MASTER VOLUME PCB - PU54, AUX IN -
(TUNER PCB - P104) ....................................................82         PL94) ..............................................................................96

AVR75 (230V) SCHEMATIC DIAGRAM 3 of 7                                             AVR85 (230V) SCHEMATIC DIAGRAM 2 of 8
(AUDIO SELECTOR PCB - PS04,                                                       (TUNER PCB - P104) ....................................................97
AUDIO/VIDEO PCB - PS54)..........................................83
                                                                                  AVR85 (230V) SCHEMATIC DIAGRAM 3 of 8
AVR75 (230V) SCHEMATIC DIAGRAM 4 of 7                                             (AUDIO SELECTOR PCB - PS04,
(AC-3 CROSSOVER PCB - PC04,                                                       AUDIO/VIDEO PCB PS54) ............................................98
TONE CONTROL PCB - PF04,
VIDEO SELECTOR PCB - PL04,                                                        AVR85 (230V) SCHEMATIC DIAGRAM 4 of 8
S-VIDEO PCB - PL54)...................................................84          (AC-3 CROSSOVER PCB - PC04,
                                                                                  TONE CONTROL PCB - PF04,
AVR75 (230V) SCHEMATIC DIAGRAM 5 of 7                                             VIDEO SELECTOR PCB - PL04,
(CONNECT PCB PY04).................................................85             S-VIDEO PCB PL54) .....................................................99

AVR75 (230V) SCHEMATIC DIAGRAM 6 of 7                                             AVR85 (230V) SCHEMATIC DIAGRAM 5 of 8
(VOLTAGE AMP PCB - P714,                                                          (CONNECT PCB PY04)................................................100
MAIN PCB - P704,
SURROUND AMP PCB - PP04,                                                          AVR85 (230V) SCHEMATIC DIAGRAM 6 of 8
SPEAKER TERMINAL - P754,                                                          (VOLTAGE AMP PCB - P714,
HEADPHONE PCB - PW04,                                                             MAIN PCB - P704,
SPEAKER PROTECT PCB - PN54,                                                       SURROUND AMP PCB - PP04,
STANDBY PCB - PB04,                                                               SPEAKER TERMINAL - P754,
POWER SWITCH PCB - PU94) ...................................86                    HEADPHONE PCB - PW04,
                                                                                  SPEAKER PROTECT PCB - PN54,
AVR75 (230V) SCHEMATIC DIAGRAM 7 of 7                                             STANDBY PCB - PB04,
 ELECTRONIC VOLUME CONTROL PCB, PE04........87                                    POWER SWITCH PCB - PU94)...................................101

AVR85 (120V) SCHEMATIC DIAGRAM 1 of 8                                             AVR85 (230V) SCHEMATIC DIAGRAM 7 of 8
(FRONT PCB - PU04,                                                                (ELECTRONIC VOLUME PCB PE04) ........................102
MASTER VOLUME PCB - PU54,
AUX IN - PL94) ..............................................................88

AVR85 (120V) SCHEMATIC DIAGRAM 2 of 8
(TUNER PCB - P104) ....................................................89

AVR85 (120V) SCHEMATIC DIAGRAM 3 of 8
(AUDIO SELECTOR PCB - PS04,
AUDIO/VIDEO PCB - PS54)..........................................90

AVR85 (120V) SCHEMATIC DIAGRAM 4 of 8
(AC-3 CROSSOVER PCB - PC04,


                                                                                                                                                                       3
Harman Kardon                                                                                                                          AVR75/85
Dolby Digital Audio/Video Receiver
                                 ELECTROSTATICALLY SENSITIVE (ES) DEVICES
Some semiconductor (solid state) devices can be damaged easily by             4. Use only a anti-static solder removal device. Some solder removal
static electricity. Such components commonly are called Electrostatically     devices not classified as "anti-static" can generate electrical charges
Sensitive (ES) Devices. Examples of typical ES devices are integrated         sufficient to damage ES devices.
circuits and some field effect transistors and semiconductor "chip"
components. The following techniques should be used to help reduce            5. Do not use freon-propelled chemicals. These can generate electrical
the incidence of component damage caused by static electricity.               change sufficient to damage ES devices.

1. Immediately before handing and semiconductor component or                  6. Do not remove a replacement ES device from its protective package
semiconductor-equipped assembly, drain off any electrostatic charge on        until immediately before you are ready to install it. (Most replacement ES
your body by touching a known earth ground. Alternatively, obtain and         devices are packaged with leads electrically shorted together by
wear a commercially available discharging wrist strap device, which           conductive foam, aluminum foil or comparable conductive material.)
should be removed for potential shock reasons prior to applying power to
                                                                              7. Immediately before removing the protective material from the leads of
the unit under test.
                                                                              a replacement ES device, touch the protective material to the chassis or
2. After removing an electrical assembly equipped with ES devices, place      circuit assembly into which the device will be installed.
the assembly on a conductive surface such as aluminum foil, to prevent
                                                                              CAUTION: Be sure no power is applied to the chassis or circuit, and
electrostatic charge buildup or exposure of the assembly.
                                                                              observe all other safety precautions.
3. Use only a grounded-tip soldering iron to solder or unsolder ES
                                                                              8. Minimize bodily motions when handling unpackaged replacement ES
devices.
                                                                              devices. (Otherwise harmless motion such as the brushing together or
                                                                              your clothes fabric or the lifting of your foot from a carpeted floor can
                                                                              generate static electricity sufficient to damage an ES device.)



                             LEAKAGE TEST (FOR SERVICE ENGINEERS IN THE U.S.A.)
Before returning the unit to the user, preform the following safety checks:

1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between parts in the unit.

2. Be sure that any protective devices such as nonmetallic control knobs, insulating fishpapers, cabinet backs, adjustment and compartment covers or
shields, isolation resistor-capacity networks, mechanical insulators, etc. which were removed for servicing are properly reinstalled.

3. Be sure that no shock hazard exists; check for leakage
current using Simpson Model 229 Leakage Tester, standard
equipment item No. 21641, RCA Model WT540A or use
alternate method as follows: Plug the power cord directly into
a 120-volt AC receptacle (do not use an Isolation
Transformer for this test). Using two clip leads, connect a
1500 Ohm, 10-watt resistor parallel by a 0.15m F capacitor, in
series with all exposed metal cabinet parts and a known
earth ground, such as a water pipe or conduit. Use a VTVM
or VOM with 1000 Ohms per volt, or higher sensitivity to
measure the AC voltage drop across the resister. (See
Diagram.) Move the resistor connection to each exposed
metal part having a return path to the chassis (antenna,
metal, cabinet, screw heads, knobs and control shafts,
escutcheon, etc.) and measure the AC voltage drop across
the resistor. (This test should be performed with the power
switch in both the On and Off positions.)

A reading of 0.35 volt RMS or more is excessive and
indicates a potential shock hazard which must be corrected
before returning the unit to the owner.




                                                                                                                                                     4
Harman Kardon                                                                                                                                                                                                                                                          AVR75/85
Dolby Digital Audio/Video Receiver
                                                    AVR75 & AVR85 FRONT PANEL CONTROLS
                                                        28                                                                                27                                                                                                               26

                harman/kardon AVR 75
                                                                                                                                                                                                                                                  Volume




                                                                                                     VISUAL          TV DVD V1 V2 V3                    TEST MEMO AUTO TUNED        STEREO
                                                                                                                                                                                         dB
                                                                                                                                                                                        kHz
                                                                                                     AC-3    PCM                                                                        MHz
                                                                                                          DIGITAL   PRO LOGIC   3 STEREO MOVIE    RF   OPT   COAX           NIGHT LFE   ATT
                                                                                                     STEREO                       HALL   MATRIX                       SLEEP   P-SCAN    DISP


              DOLBY
        D I G I T A L   AM/FM        CD   T-1/MON       T-2   TV    DVD            V1          V2    V3                                  OSD      ATT        MEMO           CLR     MODE             P-SET              P-SCN              TUNE    MUTE




              Power                                                Digital Input                         Mode                                                                           Bass             Treble             Balance
                            Phones              Night         RF      OPT               Coax                                                                                                                                                               VIDEO 3




                                                                                                                                                                                  Min          Max Min            Max   L         R                Video      L - Audio - R




                        2             4          6            8                           10             12                                       14                16                  18                         20                 22

            1                3             5             7             9                            11                               13                      15               17                         19                 21             23               24                25




                                                        28                                                                                27                                                                                                               26

                harman/kardon AVR 85
                                                                                                                                                                                                                                                  Volume




                                                                                                     VISUAL          TV DVD V1 V2 V3                    TEST MEMO AUTO TUNED        STEREO
                                                                                                                                                                                         dB
                                                                                                                                                                                        kHz
                                                                                                     AC-3    PCM                                                                        MHz
                                                                                                          DIGITAL   PRO LOGIC   3 STEREO MOVIE    RF   OPT   COAX   MULTI   NIGHT LFE   ATT
                                                                                                     STEREO                       HALL   MATRIX                       SLEEP   P-SCAN    DISP


              DOLBY
        D I G I T A L   AM/FM        CD   T-1/MON       T-2   TV    DVD            V1          V2    V3              MULTI               OSD      ATT        MEMO           CLR     MODE             P-SET              P-SCN              TUNE    MUTE




              Power                                                Digital Input                         Mode                                                                           Bass             Treble             Balance
                            Phones              Night         RF      OPT               Coax                                                                                                                                                               VIDEO 3




                                                                                                                                                                                  Min          Max Min            Max   L         R                Video      L - Audio - R




                        2             4          6            8                           10             12               29                      14                16                  18                         20                 22

            1                3             5             7             9                            11                               13                      15               17                         19                 21             23               24                25


1. Power: Press this button once to turn the unit on and off.                                                                                      2. AM/FM Tuner Selector: Press this button once to select
Once the unit is turned on, it may be turned off and then on                                                                                       the tuner. Press it again to switch between AM and FM.
again from the remote, if desired.
                                                                                                                                                   3. Headphone Jack: Plug standard stereo headphones into
NOTE: When the remote is used to turn the unit off the LED                                                                                         this jack for private listening.
surrounding the Power Switch will turn amber, indicating
that the AVR75/85 is in a Standby mode. In this condition                                                                                          NOTE: When the headphones are in use the output to the
the unit is NOT disconnected from the AC main power                                                                                                speakers is muted and the surround mode is automatically
supply.                                                                                                                                            switched to STEREO. When the headphones are removed
                                                                                                                                                   from the jack, sound to the speakers is restored and the unit
                                                                                                                                                   returns to the previous sound mode.


                                                                                                                                                                                                                                                                                   5
Harman Kardon                                                                                                AVR75/85
Dolby Digital Audio/Video Receiver


4. CD: Press this button to select the CD player.              20. P-Set: Press this button to manually scroll up or down
                                                               through the FM or AM stations programmed into the
5. Tape 1/Monitor: Press this button to select Tape One as     receiver's preset memory.
the input source. A red LED above the button will illuminate
to indicate that the Tape Monitor has been selected.           21. Balance: This knob adjusts the balance between the
                                                               front left and right speakers.
6. Night Mode: Press this button to activate the "Night"
mode, preventing loud playback when the digital modes are      22. P-Scan: Press this button to automatically scan through
in use.                                                        the FM or AM stations preset into the receiver's memory.
                                                               Press the button again to stop the scan when the tuner is at
7. Tape 2: Press this button to select tape 2 input.           the desired station.

8. TV Input: Press this button to select the source            23. Tune: Press this button to manually scan up or down
connected to the TV Input (38).                                through the FM or AM bands.

9. Digital input Selectors: Press one of these buttons to      24. Video 3 Input: Audio or Video sources connected to
select a digital input source. The digital audio source may    these jacks may be selected by pressing the Video Source
be the same as, or different from, the analog audio of the     button (11).
selected video source.
                                                               25. Mute: Press this button to cut the output to the
10. DVD Input: Press this button to select the source          speakers. Press it again to return to the previous volume
connected to the DVD Input (37). Note that the DVD or LV       level.
player's digital audio output is used, it must be selected
separately using the Digital Input Selectors (9).              26. Volume Control: Turn the knob clockwise to increase
                                                               volume, counterclockwise to decrease the volume. Note
11. Video Sources: Press any of these buttons to select a      that approximately two revolutions of the knob are required
video input source.                                            to go from no output to maximum volume.

12. Mode: Press these buttons to scroll up or down through     27. Information Display: This display delivers messages
the list of available surround modes.                          and status indications to help you operate the receiver.
                                                               Refer to the separate diagram for complete explanation of
13. OSD (On-Screen Display): Press this button to activate     the FL display.
the Attenuation mode which cuts the analog input signal by
50% to compensate for high-level input sources.                28. Remote Sensor Window: The sensor behind this
                                                               window receives infrared signals from the remote control.
14. ATT Attenuation Mode Select: Press this button to          Aim the remote at this area and do not block or cover it
activate the Attenuation Mode which cuts the analog input      unless an external remote sensor is installed.
signal by 50% to compensate for high-level input sources.
                                                               29. Multiroom Control: NOTE: this feature differentiates
15. Memo: The memo button is used to enter stations to the     the AVR85 from the AVR75. The AVR75 does not have
tuner's preset memory in either the manual or automatic        this feature. Press this button to turn the remote room feed
modes.                                                         On or Off. The MULTI indicator (D) will light or flash when
                                                               the remote feed is On. Note that the remote feed will remain
16. Clear: The clear button is used to cancel tuning,
                                                               On after the main room power is turned Off until it is
memory input or when cleaning the unit's memories.
                                                               switched Off by pressing this button again.
17. FM Mode: Press this button to select the tuning mode
for FM stations.

18. Bass: This knob adjusts the tone of low-frequency
sounds. Turn it to the right to boost bass frequencies or to
the left to cut bass frequencies.

19. Treble: This knob adjusts the tone of high-frequency
sounds. Turn it to the right to boost high frequencies or to
the left to cut high frequencies.




                                                                                                                         6
Harman Kardon                                                                                                       AVR75/85
Dolby Digital Audio/Video Receiver
                                  AVR75 & AVR85 FRONT PANEL DISPLAY

                                          AVR75 DISPLAY
        S                    R       Q                                  P O N                 M        L

              VISUAL             TV DVD V1 V2 V3                       TEST MEMO AUTO TUNED          STEREO
                                                                                                          dB

               AC-3    PCM
                                                                                                         kHz
                                                                                                         MHz
                                                                                                                      K
                   DIGITAL   PRO LOGIC   3 STEREO MOVIE        RF    OPT   COAX            NIGHT LFE     ATT
                                                                                                                       J
               STEREO                      HALL   MATRIX                             SLEEP    P-SCAN     DISP




        A                          B                                  C               E F G H                   I


                                          AVR85 DISPLAY
        S                    R       Q                                  P O N                 M        L

              VISUAL             TV DVD V1 V2 V3                       TEST MEMO AUTO TUNED          STEREO
                                                                                                          dB

               AC-3    PCM
                                                                                                         kHz
                                                                                                         MHz
                                                                                                                      K
                   DIGITAL   PRO LOGIC   3 STEREO MOVIE        RF    OPT   COAX    MULTI   NIGHT LFE     ATT
                                                                                                                       J
               STEREO                      HALL   MATRIX                             SLEEP    P-SCAN     DISP




        A                          B                                  C           D E F G H                     I

A. AC-3 Indicator: This indicator illuminates when the              another location. When a remote command is being
AVR75 is decoding a Dolby Digital input source.                     received via the Multi IR connection (59), this indicator will
                                                                    flash. NOTE: this feature differentiates the AVR85 from
B. Surround Mode Status: These indicators display the               the AVR75. The AVR75 does not have this feature.
currently selected surround mode.
                                                                    E. Sleep Indicator: This indicator lights when the
C. Digital Mode Indicators: These indicators show which             AVR75/85 is in the Sleep mode.
digital input is in use.
                                                                    F. Night Indicator: This indicator lights when the
D. Multi: This indicator signifies that the AVR85 is sending        AVR75/85 is in Night mode, which prevents the AVR75/85
a program source to a remote room location. Note that it            from loud playback when digital sources are in use.
may be illuminated even when the unit is "off" in the main
listening room, signifying that operation continues at

                                                                                                                                7
Harman Kardon                                                                                                  AVR75/85
Dolby Digital Audio/Video Receiver




G. P-Scan: This indicator flashes when the stations            N. Auto: This indicator signifies that the Automatic Tuning
programmed into the tuner memory are being automatically       mode is in use for FM broadcasts.
reviewed.
                                                               O. Memo: This indicator flashes when the Memo button is
H. LFE Indicator: This indicator will illuminate when the      pressed when entering presets and other information into
Low-Frequency Effects (LFE) option has been turned on          the tuner's memory.
through the controls in SETUP MENU 3.
                                                               P. Test: This indicator flashes when the output levels are
I. DISP: This indicator lights when the FL display has been    being set using the built-in test signal generator.
turned off using the Display button (16) to remind you that
the unit is still turned on.                                   Q. "Visual" Indicator: These indicators display which input
                                                               source is being fed to the video monitor output.
J. ATT Indicator: This indicator lights when the Attenuation
function has been engaged to cut the input from analog         R. PCM Indicator: This indicator illuminates to show that a
sources by approximately 50%.                                  standard PCM (S/P-DIF) digital audio signal is being
                                                               decoded by the digital-to-analog converter.
K. Main Information Display: This ten-digit display shows
messages relating to the status, input source, surround        S. Signal Level Indication: This is a visual indication of the
mode, tuner, volume level or other aspects of unit's           the strength of a radio station signal. The more bars visible,
operation.                                                     the stronger the station.

L. Stereo: This indicator lights when an FM station is
broadcasting in stereo.

M. Tuned: This indicator lights when an AM or FM station is
properly tuned and locked.




                                                                                                                           8
Harman Kardon                                                                                                                                             AVR75/85
Dolby Digital Audio/Video Receiver
                                               AVR75 & AVR85 REMOTE CONTROL

                              28               27                                                             28               27

                   Sending                              Learning                                   Sending                              Learning


           1                                                                            1
                 Use         Learn                                                              Use          Learn
      2           ON       OFF         ON        OFF            SLEEP
                                                                                   2             ON       OFF         ON         OFF            SLEEP

           3       Main Power          Source Power
                                                                              26        3          Main Power          Source Power
                                                                                                                                                              26
                           AC-3         P/L        3 ST         MOVIE                                      AC-3         P/L        3 ST         MOVIE


      4            TV                STEREO     MATRIX          HALL     25        4              TV                 STEREO     MATRIX          HALL     25
           5      DVD     NIGHT         1           2             3                     5        DVD     NIGHT          1           2             3

      6          VID 1    DELAY
                                       ABC
                                        4
                                                 DEF
                                                    5
                                                                GHI
                                                                  6
                                                                                   6             VID 1   DELAY
                                                                                                                      ABC
                                                                                                                        4
                                                                                                                                 DEF
                                                                                                                                    5
                                                                                                                                                GHI
                                                                                                                                                  6

                                       JKL       MNO            PQR
                                                                              24                                      JKL        MNO            PQR
                                                                                                                                                              24
                 VID 2       RF         7           8             9                              VID 2       RF         7           8             9

           7     VID 3     OPT
                                       STU


                                        *
                                                VWX
                                                    0
                                                                 YZ
                                                                  #                     7        VID 3    OPT
                                                                                                                      STU


                                                                                                                       *
                                                                                                                                VWX
                                                                                                                                    0
                                                                                                                                                 YZ
                                                                                                                                                  #
                                                                         23                                                                              23
                 AM/FM    COAX
                                       MEMO
                                        +
                                                 CLEAR
                                                         SKIP
                                                                P-SCAN
                                                                              22                AM/FM     COAX
                                                                                                                      MEMO
                                                                                                                       +
                                                                                                                                 CLEAR
                                                                                                                                         SKIP
                                                                                                                                                P-SCAN
                                                                                                                                                              22
                                                                         21                                                                              21
                  CD
                                     PRESET
                                      DISC
                                                         TUNE/
                                                        SEARCH                20   8              CD     MULTI
                                                                                                                     PRESET
                                                                                                                      DISC
                                                                                                                                         TUNE/
                                                                                                                                        SEARCH                20
                                        _                                19                                            _                                 19
                 TAPE 1                             /                                           TAPE 1                              /


                                     FM MODE      PTY            AF
                                                                              18                                     FM MODE      PTY            AF
                                                                                                                                                              18
                 TAPE 2              DISPLAY                    MUTE                            TAPE 2               DISPLAY                    MUTE
                                                                         17                                                                              17
                          SELECT
                                                RDS DISP.
                                               TEST TONE
                                                                              16                         SELECT
                                                                                                                                RDS DISP.
                                                                                                                               TEST TONE
                                                                                                                                                              16
           9                                                                            9
      10                                                                           10
                                       OSD     CH SELECT                                                              OSD      CH SELECT



           11
                                                            VOLUME       15             11
                                                                                                                                            VOLUME       15
      12                                       SPEAKER
                                                                                   12                                          SPEAKER


           13                                                                           13
                                  AVR 75                                                                          AVR 85


                                                         14                                                                              14

                                   1        Use/Learn                               15      Main Volume
                                   2        Source Power                            16      Display
                                   3        Main Power                              17      Mute
                                   4        Source Selection                        18      Transport Controls
                                   5        Night Mode                              19      Tune/Search and Fast Forward
                                   6        Delay                                   20      Preset/Disc
                                   7        Digital Audio Input Selectors           21      Channel/Skip
                                   8        Multiroom Control                       22      Memo
                                   9        Menu Controls                           23      P-Scan
                                  10        Select                                  24      Number Keys
                                  11        OSD                                     25      Surround Mode Selection
                                  12        Test Tone                               26      Sleep
                                  13        Channel Select                          27      Learn LED
                                  14        Speaker Level Adjust                    28      Sending LED

                                                                                                                                                                   9
Harman Kardon                                                                                                     AVR75/85
Dolby Digital Audio/Video Receiver


                AVR75 & AVR85 REMOTE CONTROL INFORMATION ...continued
1. Use/Learn: This switch selects the operation mode of the        12. Test Tone: Press this button to begin calibration of the
remote control. Slide it to the left for normal operation. Slide   output level for each channel. A test signal will immediately
it to the right when the remote is being programmed.               be heard from the left front speaker and the Test indicator
                                                                    P will flash.
2. Source Power: When power on/off commands have
been programmed into the remote's memory, press these              13. Channel Select: Press this button to view a status
buttons to control power for the last source device selected.      report of the output level for each channel. When the Test
                                                                   Tone is audible and the system output levels are being set,
3. Main Power: Press these buttons to turn the unit on or          pressing this button will advance the channel being adjusted
off (to Standby Mode).                                             in a clockwise direction to the next channel.

4. Source Selection: Pressing one of these buttons selects         14. Speaker Level Adjust: When setting the system output
the input source that will be listened to through the receiver.    levels, press these buttons to increase or decrease the
When a source is selected the remote's transport and               output level.
numeric number buttons will also transmit the commands
needed to control that machine.                                    15. Main Volume: These buttons control the unit's volume.
                                                                   Note that all channels are controlled simultaneously.
5. Night Mode: Press this button to activate the "Night"
mode, preventing loud playback when the digital modes are          16. Display: Press this button to turn off all displays and
in use without altering the dynamic range of the output            indicators in the Information Display except for a small Disp
signal.                                                            indication in the lower right corner of the display I . Press
                                                                   the button again to turn the display back on.
6. Delay: Press this button to change the delay for the
surround channels when the Surround Mode Menu is on the            17. Mute: Press this button to temporarily cut the audio
screen.                                                            output of the receiver. Press it again to return to the
                                                                   previous volume level.
7. Digital Audio Input Selectors: Press one of these
buttons to select a digital input source. The digital audio        18. Transport Controls: These buttons may be
source may be the same as, or different analog audio of the        programmed to control the tape or disc motion of the last
selected video source.                                             playback source selected with the Source Selection
                                                                   buttons 4 . Use them as you would the Play, Stop, Pause,
8. Multiroom Control: Press this button to turn the remote         Record, Reverse Play and Forward Play buttons on any
room feed on or off. The Multi indicator D will light or flash     VCR, CD, cassette, DVD or LD remote control. The
when the remote feed is on. Note that the remote zone feed         Reverse Play button         also operates the FM Mode
will remain on after the main room power is turned off until it    function of the AVR75/85's tuner.
is switched off by pressing this button again.
                                                                   NOTE: The          ,     and   buttons are also used
9. Menu Controls: These buttons control the action of the          to control the PTY, AF and RDS Display functions of the
cursor or the selection of menu items when the receiver is         tuner.
being configured using the setup menus.

10. Select: This button enters settings to the receiver's          19. Tune/Search & Fast Forward: These buttons may be
memory during system configuration.                                programmed to have multiple functions, which vary
                                                                   according to the input device selected.
11. OSD: Press this button to activate the on-screen menu          a. When the TUNER has been selected, these buttons
system.
                                                                     are used to tune stations.

                                                                   b. When CD, Tape, DVD, LD or VCR is the input source,
                                                                     these buttons act as the Fast Scan Forward            or
                                                                     Fast Scan Reverse         controls.




                                                                                                                            10
Harman Kardon                                                                                                      AVR75/85
Dolby Digital Audio/Video Receiver


20. Preset/Disc: These buttons have multiple functions,
which may vary according to the input device codes            NOTE: The 0 button has a dual function. It also serves
programmed.                                                   as the CLEAR button for use in programming the tuner
                                                              or clearing the system memory.
a. When the TUNER has been selected, these buttons
  will scroll up    or down      through the stations         25. Surround Mode Selection: Press one of these buttons
  that have been programmed in the preset memory.             to select a surround mode for the current listening session.

b. When CD is selected and the unit is a CD changer,          26. Sleep (AVR75): Press this button when the Sleep timer
  these buttons will change to the next disc     or           has previously been activated to view the time remaining
  previous disc   .                                           before the unit turns off to the Standby Mode. To activate
                                                              the Sleep function, first put the unit in the Tuner Mode by
c. When Tape 1 or Tape 2 is the input source, and the         pressing the AM/FM button 4 2 . Next, press the Sleep
  tape machine is a compatible Harman Kardon dual             button 26 and note that the Sleep and Memo indicators E
  cassette deck, these buttons will switch between the         O will blink. Within that blinking time press the Memo
  "A" and "B" sides.                                          button 22 15 and then press the Sleep button again to set
                                                              the sleep time in the following order:
21. Channel/Skip: These buttons have multiple functions,
                                                                   10     20       30     40    50     60      90
which vary according to the input device selected and the          min    min      min    min   min    min     min
                                                                                                                     OFF

codes programmed from another remote.
                                                              When the desired time is shown in the display, press the
a. When TV, Vid 1 or Vid 2 are selected, they may
                                                              Memo button 22 15 to enter the time. The unit will go into
  function as the channel up    or channel down
                                                              the Standby Mode when the time entered has elapsed.
  tuning buttons when programmed with the codes from
  another unit's remote.
                                                              26. Sleep (AVR85): Pressing this button when the Sleep
b. When CD is selected these buttons act as forward and       timer has previously been activated allows you to view the
  reverse "Skip" buttons to move to the next track or         time remaining before the timer function turns the unit off.
  chapter on the disc.                                        When the remote is in the AM/FM mode 4 , the Sleep
                                                              function may also be changed or set by pressing this button
c. When a compatible Harman Kardon cassette player            so that the Sleep and Memo indicators E O blink (timer not
  has been selected as Tape 1 or Tape 2, these                yet set) or Sleep time is indicated (timer set already). Within
  buttons move the tape forward        or backwards           that time press the Memo button 22 15 so that both
  to the next selection using the Music Scan feature.         indicators blink slowly. Now press the Sleep button 26
                                                              again to set the desired sleep time in the following order:
22. Memo: The memo button is used to enter stations to
                                                                   10        20          30      60          90
the tuner's preset memory in either the manual or automatic        min       min         min     min         min
                                                                                                                     OFF

modes. It is also used in the process of clearing the
memory. This button also performs the functions of the " "    When the desired time is shown in the display, press the
symbol on compatible equipment.                               Memo button 22 15 to enter the time. The unit will go into
                                                              the Standby Mode when the time entered has elapsed.
23. P-Scan: Press this button to automatically scan through
the stations preset into the tuner memory. Press the button   27. Learn LED: This indicator will illuminate when a button
again to end the scan when the tuner stops at the desired     on the remote is being programmed with signals from
station. This button also performs the functions of the " "   another remote during the "learning" mode. The light will go
symbol on compatible equipment.                               out when the signal is received and memorized.

24. Number Keys: These buttons serve as a ten button          28. Sending LED: This indicator should flash any time a
numeric keypad to enter tuner preset positions. They are      button is pressed to confirm that a command is being sent to
also to be used to select channel numbers when TV has         the receiver or another unit. If the light is dim or does not
been selected on the remote, or to select track numbers on    illuminate when a button is pressed the batteries in the
a CD, DVD or LD player, depending on how the remote has       remote should be replaced.
been programmed. The letters below the buttons are used
to enter information for tuner station names.




                                                                                                                           11
Harman Kardon                                                                                             AVR75/85
Dolby Digital Audio/Video Receiver
                            AVR75 & AVR85 REAR PANEL CONNECTIONS




30. AM Antenna: Connect the AM loop antenna supplied          33. Tape 2 In: Connect these jacks to the PLAY/OUT jacks
with the receiver to these terminals. If an external AM       of a second audio recorder.
antenna is used, make connections to the AM and GND
terminals in accordance with the instructions supplied with   34. Tape 1 Out: Connect these jacks to the
the antenna.                                                  RECORD/INPUT jacks of an audio recorder.

31. FM Antenna: Connect an indoor or external FM              35. Tape 1 In: Connect these jacks to the PLAY/OUT jacks
antenna to this terminal.                                     of an audio recorder.

32. Tape 2 Out: Connect these jacks to the                    36. CD IN: Connect these jacks to the output of a compact
RECORD/INPUT jacks of a second audio recorder.                disk player or CD changer.



                                                                                                                   12
Harman Kardon                                                                                                 AVR75/85
Dolby Digital Audio/Video Receiver



37. DVD Inputs: Connect the analog audio outputs and            50. Remote IR In: If the AVR75/85's front panel IR sensor is
composite or S-Video output of a DVD or LV player to these      blocked due to cabinet doors or other obstructions, an
jacks.                                                          external IR sensor may be used. Connect the output of the
                                                                sensor to this jack.
38. TV Inputs: Connect these jacks to the audio and video
outputs of a TV Tuner, Cable TV converter box, satellite        51. Remote IR Out: This connection permits the IR sensor
receiver, or any other audio/video source.                      in the receiver to serve other remote controlled devices.
                                                                Connect this jack to the "IR IN" jack on Harman Kardon or
39. Pre-Outs: If external power amplifiers are used for any     other compatible equipment.
channels, connect them to these jacks.
                                                                52. VCR 1 Inputs: Connect these jacks to the audio, video
40. Subwoofer Pre-Out: Connect this jack to the line level      and S-Video PLAY/OUT jacks of a VCR.
input of a powered subwoofer. If an external subwoofer
amplifier is used, connect this jack to the subwoofer           53. VCR 1 Outputs: Connect these jacks to the audio,
amplifier input.                                                video and S-Video RECORD/IN jacks of a VCR.

41. Center: Connect these terminals to the center speaker.      54. TV Monitor S-Video Output: Connect this jack to the
                                                                S-Video input of the TV monitor or video projector to view
42. Surround: Connect these terminals to the surround           S-Video sources selected by the receiver's video switcher.
speakers.
                                                                NOTE: Standard (composite) video and S-Video signals will
43. Front: Connect these terminals to the front speakers.       appear only at their respective output. The AVR75/85 does
                                                                not convert one video format to anther.
44. Switched AC Outlet: This outlet may be used to power
any device that you any wish to ha



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