Power Supply Section - Onkyo TX-SR602 Service Manual

A
SCHEMATIC DIAGRAM 6

Power supply section

1
2
D MODEL
T902
F903
5A 125V
P902
3
AC OUTLETS
TOTAL 120W
1A MAX
P MODEL
T902
F902
T5AL250V
F903
T2.5AL250V
P902
AC OUTLETS
TOTAL 100W MAX
*PA MODEL 1P ONLY
4
G MODEL
T902
F902
T5AL250V
NAETC-7978
P902A
F903
P925A
T2.5AL250V
P925
P926A
P926
AC OUTLET
TOTAL 100W MAX
S902
T902
VOLTAGE
SELECTOR
P922
220V
P922A
P921
P921A
5
120V
F903
T2.5AL250V
P902
AC OUTLETS
TOTAL 100W MAX
*WR MODEL 1P ONLY
B
NOTE
.
THE COMPONENTS
REPLACE ONLY WITH PART NUMBER SPECIFIED.
. VOLTAGE
. ELECTROLYTIC CAPACITORS (
. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030-3pF 330-33pF 331-330pF 333-0.033uF
.
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
A
A
P912 P912A T901
1
F901
10A 125V
3
5
7
P911A
P911
EXCEPT MDD/MDC/MPA
P912 P912B T901
1
NASW-8387
3
POWER
5
S906
7
P911B
P911
U10
P913 P913B T901
1
3
5
7
P911B
P911
MODEL
W MODEL
D
P
F902 G
T5AL250V
W
P913 P913B T901
1
P912 P912B
F901
10A 125V
3
5
P911B
P911 7
ARE CRITICAL FOR SAFETY
IDENTIFIED BY MARK
(MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL)
) ARE IN u F/WV.
PRINTING SIDE
CAUTION
FOR CONTINUED PROTECTION
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
AGAINST FIRE HAZARD, REPLACE
THAT THE FUSE USED IS SLOW OPERATING MODEL
ONLY WITH FUSE OF SAME MODEL FOR CONTINUED PROTECTION AGAINST FIRE
V
AND RATING INDICATED. HAZARD,REPLACE WITH SAME MODEL FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
ATTENTION
AFIN D'ASSURER UNE PROTECTION
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
PERMANENTE CONTRE LES RISQUES
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
D'INCENDIE, REMPLACER UNIQUEMENT
V
QUE DES FUSIBLES DE MEME MODEL. CE DARNIER EST
PAR UN FUSIBLE DE MEME MODEL
ET CALIBRATION COMME INDIQUE. INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
TO NAAF-8397 P955 (SCH. 4)
U5
(1W)
P917A
P917
E921
P918A P918
C902
472M
MGK ONLY
/250VAC
J910
MODEL DESCRIPTION
D NPT-1504D
P NPT-1504P
G NPT-1504DG
W NPT-1504DG
P901
P909 P915
AC-H
AC-G
P908 P916
P901A
AC
120V/60HZ
230V50HZ
220V50HZ
120V/220V 50/60HZ
C
NAPS-8382
C922
J929
470/25
C921
+10VSS
J930
223Z R924 10V
+10VS
R921
R926
8.2
MPUGND
0
4.7K
MPUGND
R922
POWER
10K
R923
1K
Q921
KTC3199-GR
D921-D924
D925
2SC1740S-R,S
GP104003E OR
2SC2458-GR
RL1N4003
1SS133 OR 1SS270A
RL901
C901
T902
103M
/275VAC
P922A P922
220V
P921A
P921
F902
T5AL250V
120V
J907
S902
F901
VOLTAGE
SELECTOR 10A 125V
Refer to the right side views
about each models.
F903
P902 T2.5AL250V
AC OUTLETS
TOTAL 100W MAX
*WR MODEL 1P ONLY
TX-SR602/E
D
T901
MODEL
D
P
G
W
U7
NAETC-8384
P913 P913A
1
P912 P912A 3
5
P911A 7
P911