Schematic Diagram- Standby-Avideo Pc Board - Sony STR-DH730 Service Manual

5-29. SCHEMATIC DIAGRAM – STANDBY-AVIDEO PC BOARD –
1 2 3
A
STANDBY-AVIDEO PC BOARD
CN272
9P
DGN 9
CL238
C244
CR IN
L
8 68p
B
CL237
DGN
7
CL236
CB IN
6
D-VIDEO
GND
BOARD 5
C242
CL235
68p
(2/5) CY IN
4
CN3200 C245
GND
3
100p
CL234
(Page 31)
CVBS IN
1
R200
C 22k
* R201
CN271 CL211
2.2K : AUS, ECE
R202 47k
14P 10K : CND
0 : US
*R201
MODEL 1
CL212
C205
VERSION 2
0.1
CL213 R203 47k
+3.3V STBY 3
EXCEPT US
CL214
+5V_STBY 4
N CL215
POWER_RY 5
CL216
STOP 6
CL217
DIGITAL
D
COMP_DET 7
CL218
BOARD
VIDEO2-VGND 8
(2/4) CL219
VIDEO2 9
CN2103
CL220
VSEL-2
10
(Page 25)
CL221
VSEL1 11
CL222
V-MUTE-1 12
CL223
NC 13
COMP-SW2
14
E
F
C233
0.1
G
2.5 2.5 -2.3 -2.4
13 14 15 16 17 18
6
12 11 10 9 8 7
2.5 2.5 7.6
C235
H
0.1
C224 C225 C226
10 10 10
50V 50V 50V
R224 R225 R226
75 75 75
I
CL224 CL226 CL227
C238
C237
22p
C236
22p
1 2 3
J
Y P P
B R
SAT/CATV
(IN 2)
ASSIGNABLE (INPUT ONLY)
STR-DH730/DH830
• See page 46 for IC Block Diagrams.
4 5 6
R205
R204
R217 R216
R218
75 75
75
R278 75
R277 75
C212
R222
100
R276 75
10V 2.2k
8
C232
0.1
2.5 0.9
7.6 1.4
9
19 20 21 22 23 24
MC2838-T112-1
D204
7
IC B/D
8
6 5 4 3 2 1 IC220 -2.4 2.5
2.5 0.9 2.5 7.6
IC220
NJM2586AM
COMPONENT
VIDEO SELECT
C217
0.1
C227 C228 C229
10 10 10
50V 50V 50V C211
10
50V
R227 R228 R229
75 75 75
R264
R262 R266
0 0
0
CL228 CL229 CL230 CL231 CL232 CL233
C241
22p 22p
C240
C239 22p
22p
4 5 6 7 8 9 10 11 12 13
Y P P Y P P
B R B R
BD/DVD MONITOR
(IN 1) OUT
COMPONENT VIDEO
J220
7 8 9
IC223
IC223
NJU7181RB1(TE2) D203
1SR154-400TE-25
C219 VIDEO DETECT
CL263
1 R233
220k
CL260
VIDEO_IN V+
C255
0.1
AMP_OUT OUT
CL261
CL264
CL262
TRIN RES_D
R235
220k
GND CAP_D
CL265
C220
1000p
C216 10 50V
100
100
C214
10
4.2
50V
IC B/D
4 5
IC203
IC203
NJM2505AF (TE2)
VIDEO AMP
15.9
IC201
3 2 1
3.4
7.5
C207 +5V REG
0.1
7.6
R214
C215
75
0.1
2.5 0.9
2.5 7.6
10 11 12 13 14 15 16
IC B/D
IC210
IC210
NJM2595M-TE2
INPUT SELECT
7 6 5 4 3 2 1
2.5 2.4
R215
75
R211 C208 R213 C210
75 47p 75 47p
CL242 CL245 CL246 CL247
1 2 3 4 5
1 2 3 4 5
VIDEO 1 VIDEO 1 SAT/CATV MONITOR
VIDEO OUT VIDEO IN VIDEO IN VIDEO OUT
J211 J210
41
41
10 11 12
D5SBA60-F
C998 D941
1000
25V
C904
C940
3300
0.047
25V
C941
0.047
C201 C202
0.1 0.1
-16.8
IC202
*1
IC202 F901
KIA7905PI
T3.15AL 250V - AUS, ECE
-5V REG
8A 125V
C204 -2.4
C203
25V 25V
47 47
Q901
2SC3052EF-T1-LEF
RELAY DRIVER
0.6
R903
D901
2.2k
DA2J10100L
R904
47k
R902
33
T902
SUB POWER
TRANSFORMER
D993
MC2840-T112-1
D994
MC2840-T112-1
C953
C943
3300
0.1
16V
C944 C992
0.1 1
R991
50V 50V 6.8k
Q990
0.6
2SC3052EF-T1-LEF
AC OFF DETECT
R993 R990
10k 15k
B902
(CHASSIS)
STR-DH730/DH830
13 14 15
H
CL248
D-VIDEO
BOARD
(5/5)
CL249
CN1500
(Page 34)
CL210
CN906
F940
4P
T3.15A 250V
CL901
1 R3 AC (Yellow)
2 NC
CL902
3 CENTER
CL903
4 R3 AC (Green)
F941 T901
CNP902
T3.15A 250V
2P
POWER
CL904
TRANSFORMER
1 LIVE
CL905
4 NEUTRAL
FH902
- CND, US
F901
*1
FH901
RY901
5V, TV-8
CNP901
3P
CL906
1 LIVE
CL907
AC IN
3 NEUTRAL
4 3 1
6 8
C950
0.1
C951
0.1
D990
MC2838-T112-1