Schematic Diagram - Video Standby Board - Sony STR-DH710 Service Manual

4-16. SCHEMATIC DIAGRAM — VIDEO STANDBY Section —
1 2 3
A
VIDEO STANDBY BOARD
B
CN905
6P
CL203
DIGITAL +5V Standby
SUPPLY
Sub-T
C CL205
CONN PC
F Power Relay
CL206
BOARD
STOP
CNS101 CL207
+6V
(Page 46)
CL208
+3.9V
CL214
JS209
D
CNS272
11P
Video2 GND 11
CL215
Video2 10
DM-VGND 9
CL216
DM-Video 8
CL217
DIGITAL CONN
VSEL 4 7
CL218
BOARD G
VSEL 3 6
CN112 CL219
VSEL 2 5
E (Page 46)
CL220
VSEL 1 4
CL221
V-Mute 3
CL222
Component SW2 2
CL223
Component SW1 1
F
C233
0.1
G
CH1 = Y
CH2 = Pb
CH3 = Pr
0 0 -5 0 -5
IC220
NJM2586AM
IC B/D
IC220
COMPONENT
VIDEO SELECT
H
0 0.4 0.4 5
C239
0.1
I
J
K
1 2 3 4 5
1 2 3 4 5
J221
3P
Y PB/CB PR/CR Y PB/CB PR/CR Y PB/CB PR/CR
IN 3 IN 2
COMPONENT VIDEO ASSIGNABLE
(INPUT ONLY)
STR-DH710
• Refer to page 13 for Circuit Boards Location.
4 5 6
IC201
+15V REG
C994
10
50V
R278
75
R277
C232
0.1 75
R276
75
0 0 0 0
0 5 0 0.4 0
-5 0 0.4 0 0.4
C217
C995
0.1
0 0.4 0 0.4 0
10
50V
C211
10
50V
1 2 3 4
6 7 8 9 10 11 12 13
J220 J211
9P
3P
Y PB/CB PR/CR
VIDEO IN VIDEO IN
IN 1 MONITOR OUT
SAT/CATV BD
7 8 9 10
CONNECTION BOARD HDMI PC BOARD (2/2)
CNP195 CN3510
(Page 44) (Page 33)
H I
CN907
CN904
3P
6P
F910 F911
T2.5A 250V T2.5A 250V
IC980 IC980
SI-8050S-LF1101
+4V REG
15 -15
5 4 3
IC202
L981
KIA7905PI 2.3 5 0
100uH
IC202
-15V REG
5 -5
R982
C203
470
47
35V C997
0.1
16V
IC990 IC990
SI-8033S
+6V REG
5 4 3 2
L992
2.3 3.2 0
100uH
C215
0.1
R992
R214
470
75
C996
0.1
16V
16V
0.4 0 5
IC210
NJM2595M-TE2
IC B/D
IC210
INPUT SELECT
0 0 0
C212 C213
10 10
50V 50V
5 6 7 1 2 3 4 5
J210
2P
VIDEO OUT VIDEO IN VIDEO OUT
VIDEO 1 MONITOR
29 29
11 12 13
D941
D5SBA60-F ~
C904 C942 C940
~
0.1
3300 0.1
25V 25V 25V
C941
0.1
2 1
L980
6.2 15
100uH
R903
2.2k
FH902
Q901 F901
2SC3052EF-T1-LEF 8A 125V
RELAY DRIVER
FH901
0.8 0.12
D901
0
R904
MA2J1110GLS0 RY901
47k
5V, TV-8
R902
33
1
L990
4.1 15
100uH
D993
MC2840-T112-1
C950
0.1
D994
MC2840-T112-1 C951
0.1
C943
0.1
0 0
Q990 C992
R991
1 D990
2SC3052EF-T1-LEF
6.8k
AC IN DETECT 0.6 50V MC2838-T112-1
R993 R990
10k 15k
STR-DH710
14 15 16 17
T901
MAIN POWER
TRANSFORMER
MAIN BOARD
2
(4/4)
E
3
CNP920
(Page 27)
4
5
CN906
5
4P
T3.15A 250V
CL250
4
1 R3 AC (Yellow)
2 Use only half coil 3
CL251
3 R3 (Black) 2
4 (Green)
3
2
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
CNP902
4P
CL259
1 LIVE
CL260
4 NEUTRAL
CNP901
3P
CL257
1 LIVE
CL258 ~ AC IN
3 NEUTRAL
T904
SUB POWER
TRANSFORMER
4
6 3
8 1
2