Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio A-9070 hfe_onkyo_a-9070_service_en
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A-9070
Ref. No. 4355
102011 (MPP)
112011 (MDC)
122011 (MGR)
112011 (MJJ)
Integrated Amplifier
MODEL A-9070(B)/(S)
Black and Silver models
B MPP 230V AC, 50Hz, 290W
S MPP 230V AC, 50Hz, 290W
B MDC 120V AC, 60Hz, 3.3A
S MJJ 100V AC, 50/60Hz, 250W
S MGR 220-230V AC, 50/60Hz, 290W
A-9000R/9070
Service Procedures
1.Operation check
1) Speaker relays
The relay shall be ON about 5 seconds after POWER is ON and shall be OFF immediately after POWER is OFF.
2) Voltage-detection protectors
The speaker relay is OFF immediately after D.C. 3V is put at MAIN IN INPUT terminal to check SP:B(L/R).
The same as above when D.C. -3v is put at each place. TEST:4-02.
3) Current-detection protectors
a) The relay shall be ON when 3 ohm load is connected to each channel under the conditions of peak-to-zero 35V output
for L,Rchannels and no load by using the INTEGRA ampifier series designated circuit with 200Hz square wave.Use
TEST:2-17 MAIN IN mode input MAIN IN.
b) The relay shall be OFF when 1.5 ohm load is connected to each channel under the conditions of peak-to-zero 35V
output for L,R channels and no load by using the the INTEGRA ampifier series designated circuit with 200Hz square
wave. White LED
If a relay goes out, Disconnect input signal immediately. Model
Don't continue to do this check 3 seconds or more.
4) FL tube test (All lighting check) A-9000R A-9070
Please confirm the all FL display lights by TEST MODE 'TEST-1-00'. Normal
5) Buttons
Dimmer
Please confirm by TEST MODE 'TEST-1-01'.
6) DIMMER FL OFF
Please push DIMMER button of Remote controller and confirm the brightness of FL display changes and the white LED
lights(A-9000R only).
7) Firmware version.
Set the test mode "0-01". Please check the Firmware version.
8) Adjustment and Confirmation of Destination
a) Please confirm the R1293 on the BADG-0998. Destination
When destination is MJJ or MDC or MGR,It is nothing on the PWB. MPP etc
When destination is MPP, It exist on the PWB. R1293
b) Set the test mode "0-02".
Please check Model Number.
Destination
c) Set the test mode "0-03".
Please check Destination. MPP etc
Please check the display of FL refer to right table. Display MPP NMPP
9) Auto Standby (ASb) detection circuit
a) Set the test mode "4-00".
b) Confirm that the character of "ASb" is not displayed in FL display under the condition of no signal.
c) Confirm that the character of "ASb" is displayed in FL display, when "-20dBV,-14dBV, 1kHz" signal is input to Line1
Terminal.
2. To initialize the unit.
Press ON/STANDBY button in the TEST MODE, then the FL displays "CLEAR", and turn to STAND-BY mode.
Remove AC cord from INLET.
3. Initial setting
Mechanical Power Switch - ON
Phono MM/MC Switch - MC
Direct SW - OFF
TEST MODE
1)Set volume 0dB and push ON/STANDBY button while pushing down SET UP button to display "TEST-".
2) Next, if the following keys are pushed, it becomes a each TEST MODE.
TEST MODE
0 -00 1-00 2-00 3-00 4-00
NO PUSHED TREBLE - TREBLE + BALANCE L BALANCE R
3) In the test mode, The TEST MODE number goes up if the selector knob is turned to the right.
The TEST MODE number goes down if the selector knob is turned to the left.
A-9070
A B C D E F G H
EXPLODED VIEWS-1
A026
Refer to x 4 pcs.
A048 EXPLODED VIEWS-3
1 A049 A061 A061
x 2 pcs. x 3 pcs. A200
A037 x 2 pcs. A026
A061 x 4 pcs.
x 6 pcs. A060 U0013
A061
x 15 pcs.
U0028
A051
x 4 pcs. A017
x 2 pcs. A211
A061 U004
x 3 pcs. A217
2 A061 x 11 pcs.
x 2 pcs.
A033
x 2 pcs.
A039
P9001A x 2 pcs. D9506
U0012 D9508
D9507
A038 A021 D9505
x 2 pcs. x 2 pcs.
A008
A034
A020 x 4 pcs.
A064 A030 A019
x 4 pcs. x 4 pcs.
3 U0034 A065
T9501
x 3 pcs.
U0033 A014 U0035
U0032
x 2 pcs. A042 A028
U0031 A028
A075 x 6 pcs.
U00210 x 4 pcs. x 4 pcs.
x 2 pcs.
A023
A022 A042
x 6 pcs.
P109
x 2 pcs. A051 P9001C A069
x 3 pcs. A010 A042
x 3 pcs. A019
x 6 pcs. A065
A050 A039 x 2 pcs.
x 4 pcs. A052
4 x 2 pcs.
U0026
U0030 A027
x 7 pcs.
A073 A009 A006
A072
A007
A005
A010
A214
A042
x 14 pcs.
5
A215
x 4 pcs. Refer to
EXPLODED VIEWS-2
A043
x 4 pcs.
A-9000R / 9070
EXPLODED VIEWS-2 P1006
U0021 A160
x 2 pcs. A160
A117 x 5 pcs. U0020
A118
A128
x 2 pcs. A117
A122 U0025
A123 A035
x 5 pcs. A035
A160 x 4 pcs.
x 2 pcs. A120 A124
A117
A117 U0024 A121 A125
A035
x 4 pcs.
A130
A135 A127
A160 A134
x 4 pcs. A132
U0023 A131
A103 A100
x 3 pcs.
A160 A035
x 4 pcs. A145 x 4 pcs.
x 2 pcs. A104
A146 A105
x 3 pcs. A106
A147
x 3 pcs. A160 A102
x 10 pcs.
A160
U0036 A142
A111
x 2 pcs. A107
A117 A112
x 6 pcs. A036
x 5 pcs. A190 A140
U0022 A144
U0027 A115 A148
x 2 pcs. A143
U0029 A141
A-9000R / 9070
A036 A113
x 2 pcs. A110
A180
x 2 pcs.
A116
A144 A143
A190 A149
A148
A-9000R / 9070
EXPLODED VIEWS-3
A034
x 4 pcs.
Q6521
Q6521A
Q6523A
Q6525A Q6525
Q6527A
Q6528A
Q6527 U0014 Q6526A
Q6523 Q6524A
A032 Q6522A
U0039 x 5 pcs. Q6528
A062 A034
x 4 pcs. x 4 pcs.
A032 U0037
x 2 pcs. Q6524
A011
Q6526 A201
A201 A067
Q6522
U0010
A032 A016 A201
A012 x 2 pcs.
x 8 pcs.
A013 A067
x 4 pcs.
A032
x 2 pcs. U00310
A201 Q6535
A067 A032
A015 x 5 pcs.
Q6531 A015
A011
A067 Q6533 A034 A032
A016 x 4 pcs. A012 x 2 pcs.
Q6529 x 8 pcs.
A013
Q6529A x 4 pcs.
Q6531A
Q6533A U0011
Q6535A
Q6530
A062 U0038 Q6534
x 4 pcs. U0015
A-9000R / 9070
Q6532
Q6536A
Q6534A
Q6536 Q6532A
A034 Q6530A
x 4 pcs.
A-9000R / 9070
A B C D E F G H I J K
Schematic Diagrams - 1
Block Diagram
1 3 Model No. A-9000R/A-9070 SCHEMATIC DIAGRAM (PART-1) BLOCK DIAGRAM
4
Power AMP
NPJ-2PDWR705
1
MAIN IN
.
.
2
5 SP-A
diDRC 1st
TC94A81UG Buffer 2nd
35 L-MVR-IN LEFT
.
.
.
.
.
.
.
.
.
.
32 L-MVR-OUT SPRL_A
3
diDRC Buffer 30 L-TVR-IN 14dB Amp
4
L-TVR-OUT 31
SP-B
NPJ-2PDWR705
38 L-SW-OUT
1
PHONO
2
L-SW-IN3 40
diDRC Power AMP
SPRL_B
Buffer
2 5
.
21 R-MVR-IN
TC9163CFG
.
diDRC 24 R-MVR-OUT
3-3-2 x2
MM/MC Phono diDRC SP-A
26 R-TVR-IN
TC9163CNG
Equalizer
1
R-TVR-OUT 25 14dB Amp 1st 2nd
VDD VEE 18 R-SW-OUT
RIGHT
.
.
.
.
.
3 SPRL_A
.
.
.
.
.
L1 R1
4
Internal DAC L2 R2 R-SW-IN3 16
L3 R3
NPJ-2PDWR705
L-COM1 R-COM1
1
LINE1 L4 R4 SP-B
L5 R5
2
L6 R6
5 L-COM2 R-COM2 DIRECT
L7 R7 SPRL_B
L8 R8
3 TONE out
L-COM3 R-COM3
ST DATA
4
GND CK
NPJ-2PDWR705
1 220-330 MAX 2.2k
LINE2
3 2
TONE in
3
Lch
4
5 PRE OUT
NPJ-2PDWR705
1
3
Rch
2
4 diDRC Buffer PRE OUT
5
NPJ-2PDWR705
1 220-330 MAX 2.2k
LINE3 0dB FIX TONE
2
0dB FIX
5
TC9163CFG 0dB FIX TONE
3-3-2 x2 diDRC
0dB FIX
TC9163CNG M61540 Buffer
1
VDD
L1
VEE
R1
Head Phone
Internal DAC
4 L2
L3
R2
R3
H.P VOL
L-COM1 R-COM1
L4 R4
L5 R5
L6 R6
L-COM2 R-COM2
L7 R7
L8 R8
TONE out
0dB FIX L-COM3 R-COM3
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