Schematic Diagrams; Power Supply Section - Onkyo HTX-22HDX Service Manual

A B

SCHEMATIC DIAGRAMS - 1/8

POWER SUPPLY SECTION

1
Q9101
1 FLAC2
2SC2235
2 FLAC1
3
4 +5VDIS
5 -VP
2
-27.2V
4 AMPAC1
3 AMPAC2
2 AMPAC3
1 AMPAC4
3
4
7 DGAC1
6 DGAC2
5 POFF
4 +BDG
3 APOWER
2 +BSUB
1 GNDDG
5
C
R9101
22(1/4W)
T901
Val
8 2
9
10
11
12
13
14
5
15
R9106
16
R9106---2.2(1/2W)Dtype
1(1/2W) J,Ptype 17 6
R9001
R9001---68(1/2W) Jtype
100(1/2W) D,Ptype
+12.6V
RL1N4003
R9002
D9008
10(1/2W)
KRC105S
+10.2V
Q9001
1
UDZS4.3B
D9007
D E
103M/275VAC
C9003
4 1
RL9001
3 2
D9001
KDS4148U
C9004
104J
STBY:14.66V
P-ON:12.5V
1.25V--->22mA
D9003
RL1N4003
D9002
RL1N4003
NPT-1520JQ
S1NB60-4062
9
1
D9006
8
4
6 4
5
T9002
D9004
KDS4148U
T901
D9005
JJ NPT-1577J
KDS4148U
PP NPT-1577P
DC NPT-1577D
F G
BAPS-0331
BAPS-0434
BAETC-0335
BAETC-0438
F9001B F9001A
P9002A
1 1
2 1
P9002B
P9001
L9001
NCH-3581
NOTE
THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER)
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
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) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
A
A
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MARKING ADJACENT TO THE SYMBOL.
T9002 F9001
NPT-1520JQ 2.5A/125V
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
NPT-1520GQ T1AL250V
E LENT.POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
NPT-1520JQ 2.5A/125V
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
HTX-22HDX
H
JJ: AC100V/50Hz
/60Hz
PP: AC230V/50Hz
DC: AC120V/60Hz
1
2
P9003
AC_CORD
AC_INLET
!
ARE CRITICAL FOR SAFETY
IS DC VOLTAGE.(NO INPUT SIGNAL).
) ARE IN uF/WV.
CAUTION
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
V
AND RATING INDICATED.
ATTENTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
V PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.