Schematic Diagram - Power Avideo Board - Sony STR-KM5 Service Manual

STR-KM5/KM7
Ver. 1.5
5-23. SCHEMATIC DIAGRAM – POWER AVIDEO Board –
1 2 3
POWER AVIDEO BOARD
A
CN912
9P
CL914
+13V 1
NC 2
DCDC
+13V 3
CL915
BOARD R3_GND 4
S
R3_GND 5
CN1500
B
S_FAN- 6
(Page 40)
JL282
S_FAN+ 7
JL281
B_FAN- 8
JL280
B_FAN+ 9
IC600
+12V REG
C
21.4
I O
G
C692
*3
D691
CN271
DA2J10100L
12P
CL211
FAN_CTRL 1
D
R201 *1
NC 2
CL212 R203 *2
C205
DIGITAL
VERSION 3
0.1
CL213
+3.3V STBY 4
AUDIO
CL214
STBY_SUPPLY 5
BOARD CL215
B
POWER_RY 6
CL216
(2/4)
7
STOP
CL217
CN2103 FAN_BLK 8
CL218
VSEL2 9
E (Page 23)
CL219
VSEL1 10
CL220
V-MUTE 11
CL221
COMP-SW2 12
F
C233
0.1
C232
G
CH1 = Y
CH2 = Pb
CH3 = Pr 0 0 -5 -5
13 14 15 16 17 18 19 20
IC220
NJM2586AM
IC220
IC B/D
COMPONENT
12 11 10 9 8 7 6 5
VIDEO SELECT
H
0 0 5 0
C235
0.1
I
C224 C225 C226
10 10 10
50V 50V 50V
J
C238
22p
C237
22p
C236
22p
J220
9P 1 2 3
K
Y P P
B R
GAME
IN
STR-KM5/KM7
• See page 49 for IC Block Diagrams.
4 5 6 7
*3 C201, C202, C692
0.1 (KM5:US/KM7:AR, SP)
12.6
12.6 100000PF (EXCEPT KM5:US/KM7:AR, SP)
Q699
R674
KTA1271Y
10k Q280
FAN DRIVER
0
RT1N234M-T111-1
FAN DRIVER
R690 R694 JL284
3.4
2.7k 2.7k
12.6
12.6
C695 Q697 C281
R277 R278 R279
0
100 2SC3052EF-T1-LEF 47
10 10 15
35V
25V FAN DRIVER
R697
1k
*1 R201 *2 R203
4.7K (KM5:TH, E12/KM7:AUS) 4.7K (AR)
22K (SAF) 22K (KM5:E51)
10K (KM7:SP) 47K (EXCEPT KM5:AR, US, E51/KM7:AR)
47K (KM5:E51, AR, EA/KM7:AR, EA)
0 (KM5:US)
R233
75
D202
MC2838-T112-1
R232
75
R231
75
0.1
3.3
9 10 11 12
0 5 0 0 0
21 22 23 24
8 7 6 5
C217
0.1
-5 0
4 3 2 1
0 0 5
C227 C228 C229
10 10 10
50V 50V 50V
C241
22p
C240
22p
C239
22p
J211
4 5 6 7 8 9 10 11 12 13 2P 1 2 3 4
G
YEL1 YEL2
Y P P Y P P
B R B R VIDEO VIDEO
VIDEO OUT VIDEO IN
BD/DVD MONITOR
IN OUT
J211
COMPONENT VIDEO
8 9 10
C915
470 D912
35V
D3SBA60-7101
C916
1000
35V
R206 R209
47 47
R205 R208
47 47
R204 R207
47 47
C201 C202
*3 *3
21 -21
I
IC201 G IC202
+5V REG -5V REG
5 -5
C203 C204
47 47
35V 35V
Q901
2SC3052EF-T1-LEF
RELAY DRIVER
0
0.7
R903 D901
R904
2.2k DA2J10100L
47k
R902
33
C215
0.1
R214
75
0 0 0 5
C904
13 14 15 16
C903
3300
IC210
16V
NJM2595M-TE2
IC210
IC B/D
INPUT SELECT
4 3 2 1
C906
2.8 0 0.1
Q902
2SC3052EF-T1-LEF
STOP SWITCH
R215
75 0
C213
10
C905
50V
R907 1
C211 0.5 10k 50V
10
50V
J210
5 1 2 3 4 5 2P
G G
B902
(CHASSIS)
YEL1 YEL2
SAT/CATV MONITOR
VIDEO OUT
VIDEO IN
J210
36 36
11 12 13 14
F911
3.15A 250V
C911
0.047
F912
3.15A 250V
C912
0.047
KM5:E51, EA
JS905 7.5
12
KM7:EA
11
10 230 - 240V
9
JS903
R
7.5
8
7
6 220V
5
R
4
3
FH904 FH903
2 120 - 127V
1
F902
T6.3AL 250V
F901
T4AL 250V
FH901 FH902
RY901
5V, TV-8
EXCEPT KM5:E51, EA
JS901
EXCEPT KM7:EA
7.5
T902
POWER
TRANSFORMER
(SUB)
4
D903
MC2840-T112-1
6 3
C902
0.1 8 1
0.1
D902
MC2840-T112-1
C901
0.1
R905
6.8k
R906
15k
D904
MC2838-T112-1
15 16 17
CN911
4P
CL911
1 R3 AC (Yellow)
MAIN
2 NC
CL912 BOARD
3 CENTER
CL913
Q
4 R3 AC (Green) (4/4)
CN950
(Page 30)
MAIN
BOARD
S901
O
VOLTAGE
(4/4)
SELECTOR
T901
CN951
POWER
TRANSFORMER
(Page 30)
(MAIN)
CNP903
5P
1 220v(E51)/NC(BR)
SUB
3 120V(E51)/127V(BR)
5 240V(E51)/220V(BR)
RECTIFIER
T
BOARD
CNP931
CNP902
(Page 47)
4P
CL904
1 LIVE
CL905
4 NEUTRAL
CNP901
3P
CL906
1 LIVE
CL907
3 NEUTRAL ~ AC IN