Onkyo A-9377 User manual

A-9377
SERVICE MANUAL
SERVICE MANUAL
RC-748S
INTEGRATED AMPLIFIER
Black and Silver models
MODEL A-9377(B)/(S)
230 AC, 50Hz
230 AC, 50Hz
B CPP
S CPP
Ref. No. 4140
062009
120/220-240V AC, 50/60Hz
120/220-240V AC, 50/60Hz
B CWT
S CWT
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

A-9377
EXPLODED VIEW
A-9377
Sxx
x 7 pcs.
A36
x 2 pcs.
A03
x 5 pcs.
Sxx
x 5 pcs.
Sxx
x 2 pcs.
Sxx
x 2 pcs.
Sxx
x 2 pcs.
A29
x 2 pcs.
Sxx
x 4 pcs.
Sxx
x 17 pcs.
Sxx
x 5 pcs.
Sxx
x 2 pcs.
E01
x 2 pcs.
Sxx
x 2 pcs.
A50
x 8 pcs.
Sxx
x 3 pcs.
Q737a
x 4 pcs.
Sxx
x 2 pcs.
Sxx
x 4 pcs.
Sxx
x 4 pcs.
Sxx
x 3 pcs.
A22
x 3 pcs.
E01
x 4 pcs.
A23
x 2 pcs.
A19
x 4 pcs.
Sxx
x 4 pcs.
A21
x 4 pcs.
Sxx
x 4 pcs.
A06
x 3 pcs.
A18
A05
A08
Sxx
Sxx
A09
A34
A28
A27
P01a
A31
A32
A33
A35
A24
(T201)
F201
F202
A20
A10
A14
U02-4
U02-5
(NSP)
(NSP)
Q740
Q739
BD702
Q737
Q738
U02-3
U02-1
U01-1
U01-2
U02-2
A07
A13
A02
A01
A04
DF-Tape
A39
x 2 pcs.
F203<CWT>
A40
x 2 pcs.
A38
x 6 pcs.
A37
U01-3<CWT>
A41
x 2 pcs.
E02
<CWT>
Sxx
x 2 pcs.<CWT>
DF-Tape
<Note>
Sxx = NSP
For SPEAKERS
and REC SELECTOR

A-9377
BLOCK DIAGRAM
A
1
2
3
4
5
BCDEFGH

A-9377
SCHEMATIC DIAGRAM-1
MAIN
A
1
2
3
4
5
BCDEFGH
0.22/50

A-9377
SCHEMATIC DIAGRAM-2
POWER
A
1
2
3
4
5
BCD
GND
+7.6V(ST/BY)
P/D
ST RLY

A-9377
SCHEMATIC DIAGRAM-3
FRONT
A
1
2
3
4
5
BCDEFGH
0.22/5.5

A-9377
WIRING VIEW
A
1
2
3
4
5
BCDEFGH
CWT Version

A-9377
PACKING PROCEDURE
P04
P05
A-9377
A-9377
A-9377
A-9377
A-9377
TOP
R
R
FRONT
TOP
L
FRONT
TOP
L
TOP
P05
P02
<R>
P09
P06a-d
P06-d P07
P07
P01
P11
x 2 pcs
P12
P13
<CPP>
P16
<CPP>
P02
<L>
P14
<CPP>
P18
<CWT>
P10
P17
<CPP>
P15
<CWT>
Front side
Front side
Front side
marking
Right side
marking
Top side
marking
Front side
marking
Left side
marking
Top side
marking

1/4 PAGE
A-9377
EXPLODED VIEWS PARTS LIS
T
<Notes>
(B) : Black model
(S) : Silver model
<CPP> : European model
<CWT> : Asian model
REF. NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS
EXPLODED Q737 TR 2SA1695-O PW TR TO3P 1 2202513
EXPLODED Q739 TR 2SA1695-O PW TR TO3P 1 2202513
EXPLODED Q738 TR 2SC4468-O PW TR TO3P 1 2202523
EXPLODED Q740 TR 2SC4468-O PW TR TO3P 1 2202523
EXPLODED Q737a ISO SHEET AC238 4 223024
EXPLODED BD702 D,RECTIFIER BRIDGE DIODE BRIDGE KBJ6-J 600V/6A STRAIGHT TYPE 1 K047600600010S
EXPLODED P01a POSISTOR PTC 120MM/2P(SMH250-02) WH1569#24 105'C 1 F320121021240S
EXPLODED A01 KNOB A-9377B (CPP) BLK-00055 AL+ABS A4/VOLUME(KD) 1 5087211998000SZ (B)
EXPLODED A01 KNOB A-9377S (CPP) SIV-00217 AL+ABS A4/VOLUME(KD) 1 5087211998010SZ (S)
EXPLODED A02 KNOB A-9377B (CPP) BLK-00055 AL+ABS A4/INPUT(KD) 1 5087211988000SZ (B)
EXPLODED A02 KNOB A-9377S (CPP) SIV-00217 AL+ABS A4/INPUT(KD) 1 5087211988010SZ (S)
EXPLODED A03 KNOB A-9377B (CPP) BLK-00234 ABS HF380 A4 / SPEAKER 5 5087211971000S (B)
EXPLODED A03 KNOB A-9377S (CPP) SIV-00251 ABS HF380 A4 / SPEAKER 5 5087211971100S (S)
EXPLODED A04 BADGE BADGE 1 28135244 (B)
EXPLODED A04 BADGE --- 1 28135298 (S)
EXPLODED A05 PANEL A-9377B (CPP) BLK-00055 AL-EXT A2 / FRONT 1 3067214458000S (B)
EXPLODED A05 PANEL A-9377S (CPP) SIV-00217 AL-EXT A2 / FRONT 1 3067214458010S (S)
EXPLODED A06 LENS A9377/CPP(ONKYO) ACRYL MILKY A4/SPEAKER 3 3710210833000S
EXPLODED A07 WINDOW A9377/CPP ACRYL SMOKE A4/REMOCON 1 5070212723000S (B)
EXPLODED A07 WINDOW A9377(S)CPP ACRYL MILKY A4/REMOCON 1 5070212723100S (S)
EXPLODED A08 FRAME A-9377B (ALL) BLK-00234 ABS BK A1 / FRONT 1 3217212051000S (B)

2/4 PAGE
EXPLODED A08 FRAME A-9377S (ALL) SIV-00251 ABS HF380 A1/FRONT 1 3217212051100S (S)
EXPLODED A09 BUTTON A-9377B (CPP) ABS UV COATING A4 / POWER 1 5097213841000S (B)
EXPLODED A09 BUTTON A-9377S (CPP) ABS SIV-00251증착+UV COATING/POWER 1 5097213841100S (S)
EXPLODED A10 BRACKET SR7200/U2B(MARANTZ) SECC 1.0t /POWER 1 4010210876000S
EXPLODED A13 LENS A9377/CPP(ONKYO) ACRYL MILKY A4/TONE 1 3710210823000S
EXPLODED A14 LENS A9377/CPP ACRYL MILKY A4/INPUT 1 3710210813000S
EXPLODED A18 CABINET A-9377B (ALL) BLK-00230 SECC t0.8 SPRAY A2/TOP 1 3007211426000S (B)
EXPLODED A18 CABINET A-9377S (ALL) SIV-00259 SECC t0.8 SPRAY A2/TOP 1 3007211426010S (S)
EXPLODED A19 LEG AS 4 27175425
EXPLODED A20 CHASSIS A9377/CPP(ONKYO) SECC 1.2t A1/MAIN 1 3200212866000S NSP
EXPLODED A21 FASTENER () BUTTON SUPPORT DABS-16R 4 4420040243010S
EXPLODED A22 SUPPORTER R871G(DOM) DONG-A DABS-10R(L) 10mm / PCB 3 4070210344000S
EXPLODED A23 CUSHION SX315KUCXCN(PIONEER) EVA BKΦ10XΦ5X8t/TRANS SCREW 2 4050211205000S
EXPLODED A24 POWER TRANS A-9377(CPP)/MAIN 230V/50HZ 96*56 1 8200960560200S <CPP>
EXPLODED A24 POWER TRANS A-9377(CWT)/MAIN 220V-240V/50HZ-60HZ 96*56 1 8200960560210S <CWT>
EXPLODED A27 HEAT SINK A9377/CPP AL 6063 EXT A3/MAIN 1 2120211458000S NSP
EXPLODED A28 BRACKET A9377/CPP SECC t1 A4/HEATSINK 1 4010214096000S
EXPLODED A29 BRACKET AVCS7000S(DENON) SECC 1.0t A4/PCB 2 4010212356000S
EXPLODED A31 CHASSIS A-9377 (CPP) SECC 0.8t Silk 1도A2 / BACK 1 3207212856000S <CPP>
EXPLODED A31 CHASSIS A-9377 (CWT) SECC 0.8t Silk 1도A2 / BACK 1 3207212856100S <CWT>
EXPLODED A32 SOCKET,POWER AC AC INLET VAC18S 1 G430000180010S
EXPLODED A33 TERMINAL S4011062KN 1 3790000090000S
EXPLODED A34 SUPPORTER UPAF07 ABS BK/PCB 1 4070001601010S
EXPLODED A35 CUSHION A9377 CR BK 난연 10t*24*19/PCB 1 4050212595000S
EXPLODED A36 CUSHION A9377 RUBBER 50*20*t2.5 A4/SIDE 2 4050212545000S