Power Supply Section - Onkyo TX-SR702 Service Manual

A
SCHEMATIC DIAGRAM 6

Power supply section

1
2
D MODEL
NPT-1504D
T902
F903
5A 125V
P902
AC OUTLETS
3
TOTAL 120W
1A MAX
T902
F902
T6.3AL250V
NPT-1504P
F903
T2.5AL250V
P902
AC OUTLETS
TOTAL 100W MAX
*PA MODEL 1P ONLY
4
T902
T6.3AL250V
NPT-1504DG
NAETC-7978
P902A
P925A F903
T2.5AL250V
P925
P926A
P926
AC OUTLET
TOTAL 100W MAX
S902
T902
VOLTAGE
SELECTOR
P922
220V
P922A
P921
P921A
120V
5
NPT-1504DG
F903
P902 T2.5AL250V
AC OUTLETS
TOTAL 100W MAX
*WR MODEL 1P ONLY
B
.
. VOLTAGE
. ELECTROLYTIC CAPACITORS (
. ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
.
. THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
.
P912 P912A T901
1
F901
12A 250V
3
5
7
P911A
P911
P MODEL
EXCEPT MDD/MDC/MPA
NASW-8387
P912 P912B T901
1
POWER
3
S906
5
7
P911B
P911
U10
12A 250V
G MODEL
F902
P913 P913B T901
1
3
5
MODEL
D
7
P
P911B
G
P911
W
W MODEL
F902
T6.3AL250V
P913B T901
1
P913
P912B
P912
F901
12A 250V
3
5
P911B
P911 7
NOTE
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
(MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL)
) ARE IN u F/WV.
EX) 030-3pF 330-33pF 331-330pF 333-0.033uF
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME MODEL
A V
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
A V
PAR UN FUSIBLE DE MEME MODEL
ET CALIBRATION COMME INDIQUE.
TO NAAF-8397 P955 (SCH. 4)
U5
(1W)
P917A
P917
E921
P918A P918
C902
472M MGK ONLY
/250VAC
J910
P901
P909 P915
AC-H
AC-G
P908 P916
P901A
AC
120V/60HZ
230V50HZ
220V50HZ
120V/220V 50/60HZ
C
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING MODEL
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME MODEL FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
E LENT. POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME MODEL. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
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
120V
J907
S902
F901
VOLTAGE
SELECTOR
Refer to left side views
about each models
F903
T2.5AL250V
P902
AC OUTLETS
TOTAL 100W MAX
*WR MODEL 1P ONLY
TX-SR702/E
D
T901
MOD
D
P
G
W
U7
NAETC-8384
P913 P913A
1
P912 P912A 3
5
P911A
P911