Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio A-9050 hfe_onkyo_a-9050_service_en
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A-9050
Ref. No. 4412
092012
Integrated Amplifier
MODEL A-9050(B)/(S)
Black and Silver models RC-830S
B MDC 120V AC, 60Hz
B MPP 230V AC, 50Hz
S MPP 230V AC, 50Hz
A-9030 / 9050 / M-5010 / ADM-20.4
Service Procedure
1. Setting for shipping
1-1. Initialization of memories
[A-9050, A-9030]
Push PURE DIRECT button and Standby at same time.
1-2. Initial setting
[A-9050, A-9030]
SELECTOR
SPEAKERS
BASS
TREBLE
BALANCE
VOLUME
PURE DIRECT
RI MODE
4ohm/8ohm
Auto Standby
[M-5010, ADM-20.4]
Input Level
12Vtrg or Audio
4ohm/8ohm
Auto Standby
A-9030/9050/M-5010/ADM-20.4
Operation Check - 1
1-1. Confirm Relay operation
a. Confirm that the relay of SP A and the relay of SP B operate normally respectively by SPEAKER A/B TRIM.
b. It is confirmed that the relay cuts at once if becoming POWER OFF.
c. Confirm no-sound from SWpreOUT when you insert HP JACK. (A-9050 / A-9030 ONLY)
d. Confirm relay operation, when 4ohm-8ohm switch is change to the other possition.
1-2. Confirm of remote controll operations.(A-9050, A-9030 ONLY)
a. Confirm that specified operations for each button are made.
b. Confirm the RI operation.
c. Confirm the change of RI mode to swith S7901-S7903 (A-9050 ONLY)
1-3. Confirm of Audio Sense operations.(M-5010, ADM-20.4 ONLY)
a. TRIGGER switch is AUDIO at the condition of no input, and it turns off power.
b. Confirm that it dosen't become the POWER ON ,if "-65dBV, 1KHz" inputs.
c. Confirm that it becomes the POWER ON ,if "-45dBV, 1KHz" inputs.
1-4. Confirm of 12V trigger operations.(M-5010, ADM-20.4 ONLY)
a. TRIGGER switch is 12Vtrg at the condition of no input, and it turns off power.
Confirm it become the POWER ON if 12V trigger is input.
b. Confirm 12VTRG is output when the POWER ON.
A-9030/9050/M-5010/ADM-20.4
Operation Check - 2
2-1. Voltage protection
a. The unit receives the remote control signal, it goes into the test mode 1-02.
b. The speaker relay become OFF immediately after "D.C. 1.5V inputs" to CD SELECTOR to check L and R.
The same as above when "D.C. -1.5V" inputs at each place.
NOTE 1: Limit time to apply voltage is 0.5-1.0 seconds each channel.
When protection operation does not occur at once, try several times.
NOTE 2: Don't connect load nor short speaker terminals.
* When you check this protection, you must use the test mode 1-02.
2-2. Current protection
a. The unit receives the remote control signal, it goes into the test mode 1-02.
b. The relay shall be ON when 2 ohm load is connected to each channel under the conditions of
Peak-to-zero 20V output for L,R channels and no load by using the INTEGRA amplifier series
Designated circuit with 50Hz square wave.
c. The relay shall be OFF when 0.5 ohm load is connected to each channel under the conditions of
Peak-to-zero 20V output for L,R channels and no load by using the INTEGRA amplifier series
Designated circuit with 50Hz square wave.
* When you check this protection, you must use the test mode 1-02.
A-9030/9050/M-5010/ADM-20.4
Operation Check - 3
TEST Function Analog Input Speaker Volume Balance Bass Treble Direct PMBass AMUTE ETC
No
1-00 All LED light up. LINE1 SPEAKER A 0dB CENTER 0dB 0dB ON OFF OFF *1
1-01 Thermal test mode. LINE1 SPEAKER A 0dB CENTER 0dB 0dB ON OFF OFF *2
1-02 Protect test mode. LINE1 SPEAKER A 0dB CENTER 0dB 0dB ON OFF OFF *3
1-03 Idling timer mode. LINE1 SPEAKER A 0dB CENTER 0dB 0dB ON OFF OFF *4
2-00 Direct Volume Max. LINE1 SPEAKER A MAX CENTER 0dB 0dB ON OFF OFF
2-01 Direct Volume Min. LINE1 SPEAKER A MIN CENTER 0dB 0dB ON OFF OFF
2-02 Tone Volume Max. LINE1 SPEAKER A MAX CENTER 0dB 0dB OFF OFF OFF
2-03 Tone Balance Rmax. LINE1 SPEAKER A MAX RMAX 0dB 0dB OFF OFF OFF
2-04 Tone Balance Lmax. LINE1 SPEAKER A MAX LMAX 0dB 0dB OFF OFF OFF
2-05 Tone Bass Max. LINE1 SPEAKER A MAX CENTER MAX 0dB OFF OFF OFF
2-06 Tone Bass Min. LINE1 SPEAKER A MAX CENTER MIN 0dB OFF OFF OFF
2-07 Tone Treble Max. LINE1 SPEAKER A MAX CENTER 0dB MAX OFF OFF OFF
2-08 Tone Treble Min. LINE1 SPEAKER A MAX CENTER 0dB MIN OFF OFF OFF
2-09 Tone PMBass ON. LINE1 SPEAKER A MAX CENTER 0dB 0dB OFF ON OFF
2-10 Amute ON. LINE1 SPEAKER A MAX CENTER 0dB 0dB ON OFF ON
2-11 Volume -40dB. PHONO SPEAKER A -40dB CENTER 0dB 0dB ON OFF OFF
2-12 Phono Volume Max. PHONO SPEAKER A MAX CENTER 0dB 0dB ON OFF OFF
2-13 Phono Volume Min. PHONO SPEAKER A MIN CENTER 0dB 0dB ON OFF OFF
3-00 Digital3 Input Test. D3 SPEAKER A MIN CENTER 0dB 0dB ON OFF OFF
A-9050
A B C D
Exploded Views - 1
1
A230
COVER
2
REFER TO EXPLODED VIEWS - 3
3 REFER TO EXPLODED VIEWS - 2
4
5 Screws:
838430088GR
3TTB+8B(3BC)
A-9050
A B C D
Exploded Views - 2
1
A202
A215
A211 A212 838430088GR
A203 x 3PCS. 3TTB+8B(3BC)
x 2PCS.
2
A214
A205 NUT
FACET(1)
x 4PCS.
A213
A204
FACET(3)
x 3PCS.
3 A201
U0025
U0024 U0020
U0023
4
U0022
NUT
A210
F BRACKET(AS)
U0021
5 Screws:
838430088GR
3TTB+8B(3BC)
A-9050
A B C D
Exploded Views - 3
U0016
1
A010 A011
Q527A,Q528A,Q529A,Q530A
A015 x 5PCS. U0014
A020 x 4PCS.
Q530
Q526
Q524
2 D900
Q528
Q529
Q525
Q523 U0010
A012 Q527
A013
x 2PCS.
U0013 A111
A020 T901 x 2PCS.
x 4PCS.
3
A101
U0015
A102
A005
x 7PCS.
4
U0030
A002
x 4PCS.
A001
A003
x 4PCS.
5
U0011
Other Screws:
838430088GR
3TTB+8B(3BC)
A-9030/9050/M-5010/ADM-20.4
A B C D E F G H I J K
SCHEMATIC DIAGRAMS - 1
BLOCK DIAGRAM
1
Model No. A-9050 / A-9030 / M-5010 / ADM-20.4 SCHEMATIC DIAGRAM (PART-1) BLOCK DIAGRAM
BCAF-1267
R2S15211FP
FL SP-A
+29dB
LEFT
PHONO BASS CONTOUR TONE
MM
3
SP-B
4
FR
1 +29dB
2 2 TONE
5
For M-5010/ADM20.4
SP-A
VPROT
IPROT
LINE1
3
Pre OUT
RIGHT
3
4
SPRELAY_A
4
1
1 SP-B
2
5 2
5
SPRELAY_B
LINE2 80Hz LPF
3 3
1
2
4
3
1
Subwoofer Pre OUT
2
5
BCETC-1275
LINE3 3
4
Head Phone
1
2
BCETC-1274
5
LINE6
LINE4
4
3
4
1
VOL_UP
BCETC-1276
2 VOL_DOWN
Volume
5 VOL_AD_DETECT
BCSW-1272
REMIN
Remote Sensor
3 SELECTOR
Selector
VOL_DATA
SPRELAY_A
SPRELAY_B
4
VPROTECT
VOL_CLK
IPROTECT
AMUTE
HP_DET
NPJ-2PDWR705
AD_BASS
1 BASS
5 2
AD_TREBLE
TREBLE
5 BCDIS-1268 AD_BALANCE
BALANCE
LINE OUT STBY_ON STBY_ON BCSW-1271
Auto on MODE
RESET
1
2
3
4
5
6
7
8
9
SPAB SPAB
SP_LOAD_SW
SPRELAY_B
12VTG_OUT
12VTG_IN
SPRELAY_A
DIRECT DIRECT
RI I/O
VOL_DATA
VOL_CLK
ASb SW
AMUTE
VPROT
HP_MUTE
IPROT
BassCon BassCon
12VTG_IN
12V_TRIG_IN
12V OFF Auto on 12V OFF Auto on BCPS-1270
12VTG_OUT ASb SW
12V_TRIG_OUT ASb SW
MAIN MPU SP_LOAD_SW
6 RI I/O BCETC-1277 BCETC-1273 R5F212A7SNFA
SP_LOAD_SW
RI
POWER ON LED
POWER ON LED
APOWER
LOUNDNESS
T?
DIRECT
NPT-****
PHONO
MPU
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