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pu2294-2325


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                             Clarion Co., Ltd.                                                                               Published by Service Dept.
                             Export Division - 22-3, Shibuya 2-chome, Shibuyaku, Tokyo, 150-8335 Japan Tel: 03-3400-1121     298-5761-00 Aug.1999 P
                             Service Dept.- 50 kamitoda,Toda-shi,Saitama,335-8511 Japan Tel: 048-443-1111 FAX:048-433-6996   Printed in Japan




                                                                   Service Manual
                                                                                PEUGEOT Automobile Genuine
                                                                                RDS/FM/MW/LW Radio CD Stereo
                                                                                Model       PU-2294A
                                                                                            (Genuine No. 96 346 766 80)
                     PU-2294A/B
                                                                                Model       PU-2325A
                                                                                            (Genuine No. 96 373 095 80)
                                                                                CITROEN Automobile Genuine
                                                                                RDS/FM/MW/LW Radio CD Stereo
                                                                                Model       PU-2294B
                     PU-2325A                                                               (Genuine No. 96 346 767 80)




                                                                                Current consumption: Less than 10A
SPECIFICATIONS
                                                                                Dimensions(mm):      178(W) 50(H) 165(D)
Radio section                                                                   Weight:              1.45kg
Tuning system:          PLL frequency synthesizer system
Receive range:          FM 87.5MHz to 108.0MHz                                      Specifications and design are subject to change without
                        MW 531kHz to 1,602kHz                                       notice for further improvement.
                        LW 153kHz to 279kHz
Intermediate frequency:
                        FM 10.7 0.2MHz
                                                                                COMPONENTS
                        MW 450 3kHz                                             PU-2294A-A/PU-2294B-A/PU-2325A-A
                        LW 450 3kHz                                              Main unit                                                          1
Quieting sensitivity:   FM Less than 13dB (30dB S/N)
                        MW Less than 36dB (20dB S/N)
                                                                                NOTE
                        LW Less than 43dB (20dB S/N)
                                                                                    We cannot supply PWB with component parts in prin-
Separation:             FM More than 20dB
                                                                                    ciple. When a circuit on PWB has failure , please repair
Auto tuning stop sensitivity:
                                                                                    it by component parts base. Parts which are not men-
                        FM 22 8dB (DX)
                                                                                    tioned in service manual are not supplied.
                              45 10dB (LO)
                        MW 30 10dB (DX)
                              60 10dB (LO)
                                                                                 To engineers in charge of repair or
                        LW 30 10dB (DX)
                              60 10dB (LO)
                                                                                 inspection of our products.
                                                                               Before repair or inspection, make sure to follow
CD player section                                                              the instructions so that customers and Engineers
Separation:           More than 65dB                                           in charge of repair or inspection can avoid suf-
S/N ratio:            More than 80dB                                           fering any risk or injury.
Distortion:           Less than 1.0
                                                                               1. Use specified parts.
                                                                                  The system uses parts with special safety features against
General                                                                           fire and voltage. Use only parts with equivalent charac-
Load impedance:       4                                                           teristics when replacing them.
Output power:         More than 10W 4                                             The use of unspecified parts shall be regarded as re-
Power supply voltage: DC13.5V                                                     modeling for which we shall not be liable. The onus of
                      Negative ground

                                                               -1-                                                                   PU-2294A/B
                                                                                                                                      PU-2325A
    product liability (PL) shall not be our responsibility in                 removing the pickup from the mechanism, short
    cases where an accident or failure is as a result of un-                  the terminals by soldering them to prevent this
    specified parts being used.                                               damage.
 2. Place the parts and wiring back in their original positions          9-2. Actuator
    after replacement or re-wiring.                                           The actuator has a powerful magnetic circuit. If a
    For proper circuit construction, use of insulation tubes,                 magnetic material is put close to it. its characteris-
    bonding, gaps to PWB, etc, is involved. The wiring con-                   tics will change. Ensure that no foreign substances
    nection and routing to the PWB are specially planned                      enter through the ventilation slots in the cover.
    using clamps to keep away from heated and high voltage               9-3. Cleaning the lens
    parts. Ensure that they are placed back in their original                 Dust on the optical lens affects performance. To
    positions after repair or inspection.                                     clean the lens, apply a small amount of isopropylalcohol
    If extended damage is caused due to negligence during                     to lens paper and wipe the lens gently.
    repair, the legal responsibility shall be with the repairing
    company.
 3. Check for safety after repair.
                                                                         CAUTIONS
    Check that the screws, parts and wires are put back se-              This appliance contains a laser system and is classified as
    curely in their original position after repair. Ensure for           a "CLASS 1 LASER PRODUCT".In case of any trouble with
    safety reasons there is no possibility of secondary                  this player,please contact your nearest "authorized service
    ploblems around the repaired spots.                                  station".To prevent direct exposure to the laser beam,do
    If extended damage is caused due to negligence of re-                not to open the enclosure.
    pair, the legal responsibility shall be with the repairing
    company.
 4. Caution in removal and making wiring connection to the
    parts for the automobile.
    Disconnect the battery terminal after turning the ignition
    key off. If wrong wiring connections are made with the
    battery connected, a short circuit and/or fire may occur.
    If extensive damage is caused due to negligence of re-
    pair, the legal responsibility shall be with the repairing
    company.
 5. Cautions regarding chips.
    Do not reuse removed chips even when no abnormality
    is observed in their appearance. Always replace them
    with new ones. (The chip parts include resistors, capaci-            COMPUTER ANTI-THEFT SYSTEM
    tors, diodes, transistors, etc). The negative pole of tanta-         This unit has built-in Computer Anti-Theft System(CATS)
    lum capacitors is highly susceptible to heat, so use spe-            which makes the radio inoperative if power to the unit is
    cial care when replacing them and check the operation                interrupted for any reason whatsoever(including disconnec-
    afterwards.                                                          tion and reconnection of the car battery).The radio will re-
 6. Cautions in handling flexible PWB                                    main inoperative unless you enter the correct CATS code
    Before working with a soldering iron, make sure that the             number.
    iron tip temperature is around 270 . Take care not to
    apply the iron tip repeatedly(more than three times)to the           Release CATS
    same patterns. Also take care not to apply the tip with
                                                                         1. Press the power button to turn on the power.
    force.
                                                                            ("CODE" appears on the display,and "----" appears 3
 7. Turn the unit OFF during disassembly and parts replace-
                                                                            seconds later)
    ment. Recheck all work before you apply power to the
                                                                         2. Press 1,2,3 or 4 button the number of times necessary
    unit.
                                                                            for the secret number(CATS code) and display the code
 8. Cautions in checking that the optical pickup lights up.
                                                                            number.
    The laser is focused on the disc reflection surface through
                                                                         3. If the input code number is correct,the radio turn on.
    the lens of the optical pickup. When checking that the
                                                                            A radio frequency appears on the display.
    laser optical diode lights up, keep your eyes more than
                                                                         4. If the input code number is incorrect,"1 ERROR"appears
    30cms away from the lens. Prolonged viewing of the la-
                                                                            on the display,and "----" re-appears 5 seconds later.
    ser within 30cms may damage your eyesight.
                                                                            "1 ERROR" to "3 ERROR" Waiting time(5 seconds)
 9. Cautions in handling the optical pickup
                                                                            "4 ERROR" to "6 ERROR" Waiting time(5 minutes)
    The laser diode of the optical pickup can be damaged by
                                                                            "7 ERROR" to "14 ERROR" Waiting time(30 minutes)
    electrostatic charge caused by your clothes and body.
    Make sure to avoid electrostatic charges on your clothes
    or body, or discharge static electricity before handling the
    optical pickup.
 9-1. Laser diode
       The laser diode terminals are shorted for transpor-
       tation in order to prevent electrostatic damage.
       After replacement, open the shorted circuit. When

PU-2294A/B                                                         -2-
 PU-2325A
    ADJUSTMENTS
                                                                                                                                                                                    Measuring
       Item                         Procedure                                                                                                                                       instrument
       FM S-meter                   1. Press the RDS button and M6 button to set RDS test mode.                                                                                     SSG
                                    2. Input a 98.1MHz/30dB (1kHz,30 mod) signal.                                                                                                   Milli volt meter
                                    3. Adjust VR101 of the tuner pack so that an output of TP101 is 2.8V.


    BLOCK DIAGRAM
                                                                                            E L E C T R O N IC -                           P O W E R -IC
                     B L 1 0 1                                                               V O L U M E                                    T D A 7 3 8 5
                      F M /M W /L W      T U N E R                                            L C 7 5 3 8 6                                  IC 3 0 1
                                                                                               IC 2 0 1


                                      7 .2 M H z                 4 .3 3 M H z




                            P L L -IC                  R D S -D E C O D E R
                                                        S A A 6 5 7 9                                   1 2 M H z
                             L C 7 2 1 4 6
                              IC 1 0 3                   IC 1 0 2




                                                                                                                                                                                           C O N N E C T O R
                                                                                   S Y S T E M C O N T R O L
                                                                                    u P D 7 8 4 2 1 6 B G C




                                                                                                                                                                                           IS O
                                                                                     IC 8 0 1
                          C D                                                                                                              P O W E R
                                                          E E P R O M
                          M E C H A N IS M                                                                                                  S U P P L Y
                                                           N M 9 3 C 4 6
                                                            IC 8 0 3




                                                                                 L C D D R IV E R
                                                                                                                                 4 M H z
                                                                                  L C 7 5 8 5 4
                                                                                   IC 1 0 1

                                                                                                                    V A N                                   V A N
                           R O T A R Y
                                                        L C D D IS P L A Y                                           C O N T R O L L E R                     T R A N S C E IV E R
                            E N C O D E R
                                                         L C D 1 0 1              K E Y M A T R IX                    T S S 4 6 1                             M T C 3 0 5 2 1
                             V R 1 0 1
                                                                                                                       IC 4 0 1                                IC 4 0 2



    EXPLANATION OF IC                                                                                  pin 28 : DG PHNT IN                      : IN : Input terminal of Internal A/D converter to
                                                                                                                                                       detect the PHANTOM circuit.
       PD784216BGC-102-8EU                   052-1157-00 CD, Radio, VAN-Bus                                                                            Ref. Table 1.
                                                         Controller                                    pin    29 : PLL DI                       : IN : PLL serial data input.
                                                                                                       pin    30 : REMOCON 1                    : IN : Remote control signal input.
1. Outward Form : 100 pins QFP                                                                         pin    31 : REMOCON 2                    : IN : Remote control signal input.
                                                                                                       pin    32 : MUTE DET                     : IN : Input terminal of Internal A/D converter to
2. Terminal Description                                                                                                                                detect the Voltage of Backup Line.
 pin    1 : LCD DO              :   O    : LCD data output.                                            pin 33 : A VSS                           : - : Ground.
 pin    2 : LCD CLK             :   O    : LCD clock output.                                           pin 34 : SD SPD UP                       : O : FM SD speed control signal output.
 pin    3 : LCD CE              :   O    : LCD chip enable signal output.                                                                               "L"= FM seek.
 pin    4 : RDS DATA            :   IN   : RDS serial data input.                                      pin    35 : EEPROM DI                    : IN : Serial data input from EEPROM.
 pin    5 : NOISE CLR           :   O    : Noise clear signal output.                                  pin    36 : A Vref 1                     : - : Connect to VDD.
 pin    6 : RDS MUTE            :   O    : "H"= RDS mute ON.                                           pin    37 : PLL/ROM DO                   : O : Serial data output to PLL and EEPROM.
 pin    7 : FM SD               :   IN   : "H"= FM station detected.                                   pin    38 : PLL/ROM CK                   : O : Clock pulse output to PLL and EEPROM.
 pin    8 : AM SD               :   IN   : "H"= AM station detected.                                   pin    39 : EEPROM CE                    : O : Chip enable signal output to EEPROM.
 pin    9 : VDD                 :    -   : Positive supply voltage.                                    pin    40 : PLL CE                       : O : Chip enable signal output to PLL.
 pin   10 : X 2                 :    -   : Crystal connection (12MHz).                                 pin    41 : DG PHN OUT                   : O : Diagnosis Phantom signal output.
 pin   11 : X 1                 :   IN   : Crystal connection (12MHz).                                                                                 Ref. Table 1.
 pin   12 : VSS                 :    -   : Ground.                                                     pin 42 : A MUTE_                         : O : Mute signal output to Audio power ampli-
                                                                                                                                                       fier IC. "L"= Mute ON.
 pin   13 : XT 2                :    -   : Not in use.
                                                                                                       pin    43 : JBL AMP RM                   : O : "H"= External Audio amplifier ON.
 pin   14 : XT 1                :   IN   : Not in use.
                                                                                                       pin    44 : BEEP                         : O : Beep output.
 pin   15 : RESET_              :   IN   : Reset signal input. "L"= Reset.
                                                                                                       pin    45 : VOL CLK                      : O : Clock pulse output to Electric volume IC.
 pin   16 : SUB SYNC            :   IN   : Sub cord block synchronizing pulse input
                                           from CD.                                                    pin    46 : VOL DATA                     : O : Serial data output to Electric volume IC.
 pin   17 : VAN INT_            :   IN   : VAN interrupt signal input. Negative logic.                 pin    47 : VOL CE                       : O : Chip enable signal output to Electric vol-
                                                                                                                                                       ume IC.
 pin   18 : RDS CLCK            :   IN   : RDS clock pulse input.
                                                                                                       pin 48 : VOL MUTE_                       : O : Mute signal output to Electric volume IC.
 pin   19 : LCD DI              :   IN   : LCD data input.                                                                                             "L"= Mute ON.
 pin   20 : BACKUP DET          :   IN   : Backup interrupt signal input.                              pin 49 : 5V REM_                         : O : 5V power supply circuit control signal out-
                                            "H"= Backup ON.                                                                                            put. "L"= ON.
 pin   21 : ACC DET_            :   IN   : ACC ON signal input. "L"= ACC ON.                           pin 50 : 14V REM                         : O : 14V power supply circuit control signal
 pin   22 : CATS DET_           :   IN   : "L"= ISO connector pulled off.                                                                              output. "H"= ON.
 pin   23 : A VDD               :    -   : Positive supply voltage.                                    pin 51 : +VAN ON                         : O : "H"= ACC(+VAN)ON.
 pin   24 : A Vref 0            :    -   : Reference voltage input for A/D convert-                    pin 52 : TEL MUTE                        : IN : "H"= Tel mute ON.
                                           er.                                                         pin 53 : EEPROM INI_                     : IN : EEPROM initialize command input.
 pin 25 : NOISE IN              : IN     : Input terminal of A/D converter to detect                                                                   Negative logic.
                                           the Noise of FM.                                            pin 54 : CD 8V ON                        : O : CD 8V power supply circuit control signal
 pin 26 : N.C.                  : IN     : Not in use.                                                                                                 output. "H"= ON.
 pin 27 : S METER               : IN     : Input terminal of Internal A/D converter to                 pin 55 : CD 5V ON                        : O : CD 5V power supply circuit control signal
                                           detect the Voltage of FM S meter.                                                                           output. "H"= ON.


                                                                                    -3-                                                                                                   PU-2294A/B
                                                                                                                                                                                           PU-2325A
 pin   56 : AD 0             :   I/O   : Data input/output terminal of VAN-Bus.           pin    3 : UHSO     : O : Playback mode flag output. Ref. Table 1.
 pin   57 : AD 1             :   I/O   : Data input/output terminal of VAN-Bus.           pin    4 : EMPH     : O : Emphasis flag output of Sub cord Q data.
 pin   58 : AD 2             :   I/O   : Data input/output terminal of VAN-Bus.                                       "H"= emphasis ON.
 pin   59 : AD 3             :   I/O   : Data input/output terminal of VAN-Bus.           pin 5 : LR CK       : O : Channel clock output. (44.1kHz)
 pin   60 : AD 4             :   I/O   : Data input/output terminal of VAN-Bus.           pin 6 : VSS         :     : Ground.
 pin   61 : AD 5             :   I/O   : Data input/output terminal of VAN-Bus.           pin 7 : B CK        : O : Bit clock output. (1.4122MHz)
 pin   62 : AD 6             :   I/O   : Data input/output terminal of VAN-Bus.           pin 8 : A OUT       : O : Audio data output.
 pin   63 : AD 7             :   I/O   : Data input/output terminal of VAN-Bus.           pin 9 : D OUT       : O : Digital output.
 pin   64 : AREA A           :    IN   : Destination select input. Ref. Table 2.          pin 10 : MBOV       : O : Buffer memory over signal output.
 pin   65 : AREA B           :    IN   : Destination select input. Ref. Table 2.          pin 11 : IPF        : O : Compensation flag output.
 pin   66 : JBL_             :    IN   : "L"= With external amplifier.                    pin 12 : SBOK       : O : CRCC judgement output of Sub Q data.
 pin   67 : CITR_/PEUG       :     O   : "L"= Citroen, "H"= Peugeot.                                                  "H"=OK.
 pin   68 : CD 0 FLAG        :    IN   : 0 flag input from CD.                            pin 13 : CLOCK      : I/O : Clock output/input to read Sub cord P to
                                                                                                                      W.
 pin   69 : CD BUS 0         :   I/O   : Data bus line connected to CD.
                                                                                          pin   14 : VDD      :     : Positive supply voltage terminal.
 pin   70 : CD BUS 1         :   I/O   : Data bus line connected to CD.
                                                                                          pin   15 : VSS      :     : Ground.
 pin   71 : CD BUS 2         :   I/O   : Data bus line connected to CD.
                                                                                          pin   16 : DATA     : O : Sub cord P to W data output.
 pin   72 : VSS              :     -   : Ground.
                                                                                          pin   17 : SF SY    : O : Frame synchronize signal output.
 pin   73 : CD BUS 3         :   I/O   : Data bus line connected to CD.
                                                                                          pin   18 : SB SY    : O : Sub cord block synchronize signal output.
 pin   74 : CD DET           :    IN   : Not in use.
                                                                                          pin   19 : SP CK    : O : Clock signal output to read processor sta-
 pin   75 : VAN WU           :    O    : Wake up signal output to VAN IC.                                             tus. (176.4kHz)
 pin   76 : VAN RESET        :    O    : Reset signal output to VAN IC.                   pin   20 : SP DA    : O : Processor status signal output.
 pin   77 : VAN RD_          :    O    : Read strobe signal output to VAN IC.             pin   21 : COFS     : O : Correction frame clock output. (7.35kHz)
                                         Negative logic.
                                                                                          pin   22 : MONIT    : O : Not in use.
 pin 78 : VAN WR_            : O       : Write strobe signal output to VAN IC.
                                         Negative logic.                                  pin   23 : VDD      :     : Positive supply voltage terminal.
 pin   79 : VAN CS           :   O     : Chip select signal output to VAN IC.             pin   24 : TESIO0   : IN : Not in use.
 pin   80 : VAN ALE          :   O     : Latch strobe signal output to VAN IC.            pin   25 : P2Vref   :     : (Reference voltage) 2 terminal for PLL.
 pin   81 : VDD              :    -    : Positive supply voltage.                         pin   26 : HSSW     : O : pin26=Vref : 2-speed or 4-speed.
 pin   82 : N.C.             :   IN    : Not in use.                                      pin   27 : Z DET    : O : 0 flag output of 1 bit DAC.
 pin   83 : CD BUCK          :   O     : Clock pulse output to CD.                        pin   28 : PDO      : O : Error signal output. (EFM - PLCK)
 pin   84 : CD CEE_          :   O     : Chip enable signal output to CD.                 pin   29 : TMAX S   : O : TMAX detect signal output.
 pin   85 : CD RESET_        :   O     : Reset pulse output to CD.                        pin   30 : TMAX     : O : TMAX detect signal output.
                                         "L"= Reset.                                      pin   31 : LPF N    : IN : Inverted input of amplifier for LPF.
 pin   86 : CD CHU SW        :   IN    : Chuking signal input from CD.                    pin   32 : LPF O    : O : Output of amplifier for LPF.
 pin   87 : CD TR A          :   IN    : Photo sensor signal input from CD.               pin   33 : PVref    :     : Reference voltage terminal for PLL.
 pin   88 : CD TR B          :   IN    : Photo sensor signal input from CD.               pin   34 : VCOref   :     : Reference voltage terminal for VCO.
 pin   89 : CD TR C          :   IN    : Photo sensor signal input from CD.               pin   35 : VCO F    : O : Output of filter for VCO.
 pin   90 : CD CCW           :    O    : Loading motor control signal output.             pin   36 : AVSS     :     : Analog ground.
                                         Ref. Table 3.                                    pin   37 : SLCO     : O : Output of DAC for data slice level.
 pin 91 : CD CW              : O       : Loading motor control signal output.             pin   38 : RF IN    : IN : RF signal input.
                                         Ref. Table 3.                                    pin   39 : AVDD     :     : Positive voltage supply for analog.
 pin 92 : VOL A              : IN      : Volume control pulse input from Volume           pin   40 : RFCT     : IN : Center level input of RFRP signal.
                                         switch.                                          pin   41 : RFZI     : IN : RFRP 0 cross.
 pin 93 : VOL B              : IN      : Volume control pulse input from Volume           pin   42 : RFRP     : IN : RF ripple signal input.
                                         switch.
                                                                                          pin   43 : FEI      : IN : Focus error signal input.
 pin 94 : VPP                :    -    : Connect to ground.
                                                                                          pin   44 : SBAD     : IN : Sub beam addition signal input.
 pin 95 : N.C.               :   IN    : Not in use.
                                                                                          pin   45 : TSIN     : IN : Not in use.
 pin 96 : N.C.               :   IN    : Not in use.
                                                                                          pin   46 : TEI      : IN : Tracking error input.
 pin 97 : N.C.               :   IN    : Not in use.
                                                                                          pin   47 : TEZI     : IN : Tracking error , 0 cross input.
 pin 98 : N.C.               :   IN    : Not in use.
                                                                                          pin   48 : FO O     : O : Focusing equalizer output.
 pin 99 : N.C.               :   IN    : Not in use.
                                                                                          pin   49 : TR O     : O : Tracking equalizer output.
 pin100 : N.C.               :   IN    : Not in use.
                                                                                          pin   50 : Vref     :     : Reference voltage for analog.
                                                                                          pin   51 : RFGC     : O : RF gain control signal output.
                                                                                          pin   52 : TEBC     : O : Tracking balance control signal output.
Table 1. Diagnosis Phantom signal output
                                                                                          pin   53 : FM O     : O : Field equalizer output.
  Input voltage of pin 28 (DG PHNT IN)                  DG PHN OUT(pin41)                 pin   54 : FVO      : O : Field error or Field search EQ output.
   0.00V to 0.93V                                                L                        pin   55 : DMO      : O : Disc equalizer output.
   0.94V to 2.82V                                                H                        pin   56 : 2Vref    :     :2      Vref for analog.
   2.83V to 5.00V                                                L                        pin   57 : SEL      : O : Laser ON and UHS="H" : output "H"
                                                                                          pin   58 : FLG A    : O : Monitor signal output.
                                                                                          pin   59 : FLG B    : O : Monitor signal output.
Table 2. Destination select input                                                         pin   60 : FLG C    : O : Monitor signal output.
                                            AREA A(pin64)            AREA B(pin65)        pin   61 : FLG D    : O : Monitor signal output.
   Europe                                           H                        H            pin   62 : VDD      :     : Positive supply voltage.
   South America                                    H                        L            pin   63 : VSS      :     : Ground.
   Saudi Arabia                                     L                        H
                                                                                          pin   64 : IO 0     : I/O : I/O port.
                                                                                          pin   65 : IO 1     : I/O : I/O port.
   Asia                                             L                        L
                                                                                          pin   66 : IO 2     : I/O : I/O port.
                                                                                          pin   67 : IO 3     : I/O : I/O port.
Table 3. Loading motor control signal output                                              pin   68 : DMOUT    : IN : Not in use.
                                                                                          pin   69 : CKSE     : IN : Not in use.
                                          Loading        Eject       Brake       Stop
                                                                                          pin   70 : DACT     : IN : Not in use.
   CD CW (pin 91)                            H             L          H           L
                                                                                          pin   71 : TESIN    : IN : Not in use.
   CD CCW(pin 90)                            L             H          H           L
                                                                                          pin   72 : TESIO1   : IN : Not in use.
                                                                                          pin   73 : VSS      :     : Ground.
                                                                                          pin   74 : PX I     : IN : DSP oscillator input.
  TC9462F         051-6342-00 Digital signal processor for CD                             pin   75 : PX O     : O : DSP oscillator output.
                                                                                          pin   76 : VDD      :     : Positive supply voltage.
1. Outward Form : 100 pins QFP                                                            pin   77 : X VSS    :     : Ground for system oscillator clock.
2. Function         : Sync. separation, EFM, Error correction                             pin   78 : X I      : IN : System clock oscillator input.
                                                                                          pin   79 : X O      : O : System clock oscillator output.
3. Terminal Description                                                                   pin   80 : X VDD    :     : Positive supply voltage for system clock
 pin    1 : TEST0            : IN : Not in use.                                                                       oscillator.
 pin    2 : HSO              : O : Playback mode flag output. Ref. Table 1.               pin 81 : D VSR      :     : Positive supply voltage for right channel
  PU-2294A/B                                                                            -4-
   PU-2325A
                                       DAC.                                                                                                   pin 95 : VSS                                             :                   : Ground.
pin   82 : R O                 : O : Right channel data non-inverted output.                                                                  pin 96 : BUS CK                                          :     IN            : Clock input for data bus.
pin   83 : D VDD               :     : Positive supply voltage for DAC.                                                                       pin 97 : CCE                                             :     IN            : Chip enable signal input. Negative logic.
pin   84 : D Vref              :     : Reference voltage.                                                                                     pin 98 : TEST 4                                          :     IN            : Not in use.
pin   85 : L O                 : O : Left channel data non-inverted output.                                                                   pin 99 : TS MOD                                          :     IN            : Not in use.
pin   86 : D VS L              :     : Positive supply voltage for left channel                                                               pin100 : RST                                             :     IN            : Reset signal input. Negative logic.
                                       DAC.
pin   87 : TEST 1              : IN : Not in use.
                                                                                                                                          Table 1. Playback speed flag.
pin   88 : TEST 2              : IN : Not in use.
pin   89 : TEST 3              : IN : Not in use.                                                                                             Play back speed                                                                        UHSO(pin3)                                   HSO(pin2)
pin   90 : BUS 0               : I/O : Data bus to micro computer.                                                                             Normal speed                      1                                                         H                                                H
pin   91 : BUS 1               : I/O : Data bus to micro computer.                                                                             Normal speed                      2                                                         H                                                L
pin   92 : BUS 2               : I/O : Data bus to micro computer.                                                                             Normal speed                      4                                                         L                                                H
pin   93 : BUS 3               : I/O : Data bus to micro computer.                                                                             ------------------------                                                                    L                                                L
pin   94 : VDD                 :     : Positive supply voltage.



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      2 6                                     2 0                                                                                                                                                                                                                             7             2 3
                                                                                                                                                                                                                                                           2 2
                                                                                                                                                                                                                 2 0
                                                                                                                                                                                                                                                                                                                     2 9
                                                                                                                                                                                                           2 1                                                                                                                   7
                                                                                                                                                                                       7

                                                                                                                                                                                                                                                      4 2
                                                                                                                                                                                                       4 2
                                                                                                                                                                                                                                                                                                                           2 0
                                                           3 5                                                                                             3                 4
                         5 6                                                                                                      2 8
                  5 1
                                                          4 1                            3 6                    5 2
                                                                       1 8
                                5 5                                                             5 3       5 4
                                                                 3 8
                                                                                                                              5 3                5 4
                                                                                                                      3 6                                        3 6
                                                    4 5
                                            4 4                                                                                                                        4 2                                                                                                              2
                                      4 3                                                                                                                                                                                                                                                          2 8
                                                                                                                                                               4 0                                                                             1 2
                                                                                                                                                                                                                                     1 1
                                                                                                                                                                                                                 8                                                                1 9
                                                                                                          4 8           3 9                                                                                                                          1 4
                                                                                                                                                                                                                                                                 1 5
                                                                                                    4 7                                 3 7                                                                          9
                                                                                          4 6
                                                                                                                                                                                                   5
                                                                                                                                                                                                                                                                                                         1 0
                                                                                                                                                                                 3 3                                                                        1 6                                   4 9
                                                                                                                                                                                                                                                                                                               5 7
                                                                                                                                                                                                                                                                                                         1 3
                                                                                                                            5 8

                                                                                                                                                       1                                                                       1 7



                                                                             2 0
                                                                                                                                                                                       3 2                                             6
                                                                                                                                                                                                                         2 7                                            5 0
            3 0                                                                                                                                                                                                                                                                                   2 7
                                                                       3 1                                                                                                                   3 4
                                                                                                                 2 0
                                                                 (NOTE) Some parts depend on each model.The model name is specified in the description.
  NO.               PART NO.          DESCRIPTION                                                          Q'TY                                 NO.                    PART NO.                                            DESCRIPTION                                                                               Q'TY
      1            311-1765-01 LOWER CASE                                                                        1                               11                    074-1159-02 OUTLET SOCKET                                                                                                                           1
      2            750-3328-00 SPRING                                                                            1                               12                    060-0057-56 AUTO-FUSE(10A)                                                                                                                          1
      3            750-3329-00 SPRING                                                                            1                               13                    880-2084A                                           TUNER ASSY(FM/MW/LW)                                                                            1
      4            312-0433-10 MAIN CHASSIS                                                                      1                               14                    009-9006-60 CHOKE                                                                                                                                   1
      5            039-1429-01 MAIN PWB                                                                          1                               15                    331-2577-00 ISO HOLDER                                                                                                                              1
                               (WITHOUT COMPONENT)
                                                                                                                                                 16                    076-0324-14 PLUG(14P)                                                                                                                               1
      6            076-0540-18 PLUG(18P)                                                                         1
                                                                                                                                                 17                    074-1186-26 OUTLET SOCKET(26P)                                                                                                                      1
      7            714-2606-81 MACHINE SCREW(M2.6                                              6)                4
                                                                                                                                                 18                    039-1432-00 SWITCH PWB                                                                                                                              1
      8            039-1427-00 ISO PWB                                                                           1                                                                 (WITHOUT COMPONENT)
                               (WITHOUT COMPONENT)
                                                                                                                                                 19                    331-2574-00 IC HOLDER                                                                                                                               1
      9            076-0324-10 PLUG(10P)                                                                         1
                                                                                                                                                 20                    731-2608-80 TAPTIGHT(M2.6                                                                       8)                                                  9
      10           051-2013-00 IC(TDA7385)                                                                       1

                                                                                                                -5-                                                                                                                                                                PU-2294A/B
                                                                                                                                                                                                                                                                                    PU-2325A
 NO.    PART NO.    DESCRIPTION                    Q'TY    CD mechanism section:929-0069-83
 21     331-2637-00 MECH BRKT                       1      NO.      PART NO.   DESCRIPTION                Q'TY
 22     313-1750-00 HEAT SINK                       1           1   HBS-463-100 DRIVE UNIT                 1
 23     716-1831-00 REAR BOLT                       1       1-1     966-0314-21 STOP LINK ASSY             1
 24     345-4847-01 STOPPER                         1       1-2     966-0447-22 DR-PLATE ASSY              1
 25     929-0069-83 CD MECHANISM                    1       1-3     966-0448-21 SIDE PLATE ASSY            1
 26     310-1669-02 UPPER CASE                      1       1-4     966-0449-22 CLAMP LINK ASSY            1
 27     716-0878-00 IT-SCREW(2.6   5)               2       1-5     969-0050-51 PICK UP UNIT               1
 28     731-3008-40 TAPTIGHT(M3    8)               2       1-6     013-7100-00 LIMIT SWITCH               1
 29     714-2610-81 MACHINE SCREW(M2.6       10)    2       1-7     620-0198-03 CLAMPER PLATE              1
 30     380-5439-00 KNOB                            1       1-8     620-0491-03 SPRING PLATE               1
 31     940-7862-64 ESCUTCHEON ASSY                 1       1-9     620-0690-01 RATTLE PLATE               1
                    (PU-2294A/B)
        940-7892-63 ESCUTCHEON ASSY                        1-10     621-0205-02 CLAMPER LINK               1
                    (PU-2325A)
                                                           1-11     621-0251-03 ROCK LINK                  1
 32     331-2573-00 SHIELD CASE                     1
                                                           1-12     621-0252-03 DISC STOPPER               1
 33     331-2578-00 SHIELD CASE                     1
                                                           1-13     621-0253-02 MOTOR HOLDER               1
 34     309-0720-02 FRONT PLATE                     1
                                                           1-14     621-0255-02 SECOND GEAR                1
 35     286-8497-26 SETPLATE(PU-2294A)              1
        286-8497-27 SETPLATE(PU-2294B)                     1-15     621-0375-00 SH-BASE                    1
        286-8497-28 SETPLATE(PU-2325A)
                                                           1-16     621-0357-03 PICK UP GUIDE              1
 36     716-0778-00 WAVE SCREW(     2   6)          4
                                                           1-17     621-0358-02 LS-HOLDER F                1
 37     013-3741-11 SWITCH                         18
                                                           1-18     621-0359-02 LS   HOLDER R              1
 38     016-0010-13 VARIABLE RESISTOR               1
                                                           1-19     622-1073-02 CLAMPER ROLLER             1
 39     017-0454-01 PILOTLAMP                       5
                    (PU-2294A/ORG/14V40mA)                 1-20     714-2003-81 MACHINE SCREW(M2     3)    10
        017-0454-02 PILOTLAMP
                    (PU-2294B/GRN/14V40mA)                 1-21     716-0675-00 SCREW(M2     2.5)          2
        017-0454-03 PILOTLAMP
                    (PU-2325A/ORG/14V40mA)                 1-22     716-1468-00 SCREW(M2     2.5)          2
 40     074-1151-18 OUTLET SOCKET(18P)              1      1-23     716-1555-00 WAVE SCREW                 1
 41     816-2488-00 FLAT WIRE                       1      1-24     716-1733-00 SCREW(M2     2.5)          2
 42     714-2303-81 MACHINE SCREW(M2.3       3)     5      1-25     732-2004-11 SEMS SCREW                 2
 43     331-2593-00 LCD HOLDER                      1      1-26     739-1735-17 PRECISION SCREW            2
 44     335-5994-00 SHIELD SHEET                    1      1-27     746-0761-00 SCREW(M2     2.5)          2
 45     379-1155-41 INDICATOR                       1      1-28     750-3097-03 CLAMPER SPRING             1
                    (PU-2294A/PU-2325A)
        379-1155-40 INDICATOR(PU-2294B)                    1-29     750-3098-00 L-LINK SPRING              1
 46     335-5911-01 FILTER(PU-2294A/PU-2325A)       1      1-30     750-3099-00 ES-SPRING                  1
        335-5912-01 FILTER(PU-2294B)
                                                           1-31     816-2372-00 WIRE(BLU)                  1
 47     335-5910-00 ILLUMI PLATE                    1
                                                           1-32     816-2373-00 WIRE(WHT)                  1
 48     335-5909-00 LCD HOLDER                      1
                                                           1-33     966-0454-00 SH-ROCK ASSY               1
 49     331-2638-00 SHIELD CASE                     1
                                                           1-34     HBS-432-100 LS-GEAR ASSY               1
 50     331-2639-00 SHIELD CASE                     1
                                                           1-35     SMA-146-100 SLED MOTOR ASSY            1
 51     285-1633-10 GUIDE LABEL(CLASS1)             1
                                                           1-36     SMA-151-100 SPINDLE MOTOR ASSY         1
 52     345-8316-00 INSULATOR                       1
                                                                2   966-0308-10 CHASSIS ASSY               1
 53     345-3814-82 LAMP CAP(PU-2294A/ORG)          2
        345-3814-81 LAMP CAP(PU-2294B/GRN)                      3   966-0309-20 L-DISC-G-ASSY              1
        345-3814-83 LAMP CAP(PU-2325A/ORG)
                                                                4   966-0310-21 SHIFT-P-CH-ASSY            1
 54     017-0455-00 PILOTLAMP(9V65mA)               2
                                                                5   966-0312-21 SHIFT-P-ASSY               1
 55     285-1628-00 GUIDE LABEL                     1
                                                                6   966-0358-21 DRIVE-L-PL-ASSY            1
 56     285-1627-00 GUIDE LABEL                     1
                                                                7   966-0359-21 SIDE-L-PL-ASSY             1
 57     347-6200-00 INSULATOR                       1
                                                                8   013-3879-01 CHUCKING SWITCH            1
 58     347-6217-00 INSULATOR(PU-2294A/B)           1
                                                                9   039-0586-01 CHUCKING SWITCH PWB        1
                                                                                (WITHOUT COMPONENT)
                                                            10      039-0588-01 SENSOR PWB                 1
                                                                                (WITHOUT COMPONENT)
                                                            11      060-0252-01 PHOTO TR (PT4850F)         3
                                                            12      345-7513-01 CLAMPER SHEET              1
                                                            13      345-7514-00 S-PWB SHEET                1
                                                            14      620-0485-04 FRONT PLATE                1
PU-2294A/B                                                -6-
 PU-2325A
                                                                                                                                                                                                                                1 -1


                                                                                                                                             1 -2 2




                                                                                                          1 -7                                                                   A 7
                                                                                                                                                                                                                                               1 -2 9
                                                                                                                                                                                                                                                                                               1 -3 2
                                                                                                                                             5 0                                                                                              1 -1 1                                                         1 -3 1
                                                                        1
                                                                                                                                                                                                                                 1 -3 0
                                                                                                                                                                                                       L 1
                                                                                                                                                                                                                                       1 -4
                                                                                           1 -2 0         1 -1 0                                                                                                                                                                                                  1 -3 5

                                                                                                                                                                                                             L 2
                                                                    K
                                       1 -2 0                                                                                                                                                          



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