Schematic Diagram - Video Standby Supply Section - Sony STR-KM5500 Service Manual

6-17. SCHEMATIC DIAGRAM – VIDEO STANDBY SUPPLY Section –
1 2 3
A
B
VIDEO STANDBY SUPPLY BOARD
CNS271
18P
CL207
COMPOSITE SW5 18
CL208
COMPOSITE SW4 17
CL209
COMPOSITE SW2 16
CL243
COMPOSITE SW1 15
C
CL211
COMPONENT SW1 14
CL212
COMPONENT SW2 13
CL213
V_MUTE 12
CL214
PW_RY 11
DIGITAL AB
CL215
BOARD STOP 10
CL217
(2/3)
+9V STBY 9
CNP505 CL218
SW_PROTECTOR 8
(Page 32)
CL219
D
R4_GND 7
CL244
R4_GND 6
CL221
+R4 5
CL222
+5V (FL,DCDC) 4
CL223
+5V (DSP) 3
CL224
+15V (TUNER) 2
CL225
+6V 1
E
CNP240
3P
CL229
VIDEO2 DCAC
GND 1
BOARD
CL230
FRONT VIDEO2 2
CN173
CL231
(Page 39)
GND 3
F
G
CH1 = Y
CH2 = Pb
CH3 = Pr
0 -5 0
IC220
NJM2586AM
IC B/D
H
IC220
COMPONENT
VIDEO SELECT
0 0
I
C221 C222 C223 C224 C225
10 10 10 10 10
50V 50V 50V 50V 50V
J
R221 R222 R223 R224 R225 R226
75 75 75 75 75 75
0.5% 0.5% 0.5% 0.5% 0.5% 0.5%
1 2 3 4 5 1 2 3
K
J221
Y P / C P / C Y P / C P / C
B B R R B B R
SAT IN DVD IN
COMPONENT
VIDEO
STR-KM5500
• See page 45 for IC Block Diagrams.
4 5 6
COMPOSITE SW5
COMPOSITE SW4
COMPOSITE SW2
COMPOSITE SW1
COMPONENT SW1
COMPONENT SW2
V_MUTE
PW_RY
STOP
+9V STBY
SW_PROTECTOR
R4_GND
+5V (FL,DCDC)
+5V (DSP)
FRONT VIDEO2
C233
0.1
C232
0.1
COMPOSITE SW2
-5 0 5 0 -0.9 0
IC B/D
IC210
INPUT SELECT
5 -1 0 -1 0
COMPONENT SW2
COMPONENT SW1
C239
0.1
COMPOSITE SW4
COMPOSITE SW5
C226 C227 C228 C229
10 10 10 10
50V 50V 50V 50V
R227 R228 R229
75 75 75
0.5% 0.5% 0.5%
4 5 6 7 8 9 10 11 12 13 1
J220 J211
Y P / C P / C Y P / C P / C
R B B R R B B R R
VIDEO IN
BD IN MONITOR OUT
SAT
COMPONENT
VIDEO
7 8 9 10
(Page 42)
CONNECTION BOARD
CNP511
CL226 CL227 CL228
D946
1SR154-400TE-25
15 -15
IC202
KIA7905PI
IC202
IC201
5 4 3 2
+5V REG -5V REG
1.3 6 8.8
5 -5
R257
18k
C257
R256
4.7k
5
C259
0.1
C203
50V
5
47
35V
R214
75
C215
0.1
R279
0 0 0 0 0 5
22
IC210
NJM2595M-TE2
-5 -1 0 -1 0 0 0
C217
0.1
C211 C213
C212
R215
10 10
10 75
50V 50V
50V
0
Q990
2SC3052EF-T1-LEF
AC IN DETECT
2 3 4 5 6 7 1 2 3 4 5
2 1 4 3 5
J210
VIDEO IN VIDEO OUT VIDEO IN VIDEO OUT
J222
DVD VIDEO 1 MONITOR
SYSTEM
CONTROL OUT
35 35
11 12 13
D941
D3SB60F3
D947
~
1SR154-400TE-25
C940
0.47
50V
~
C904
C942 C941
3300
IC253
0.47
0.1
16V
BA00CC0WT(-V5)
50V
IC253
+6V REG
C945
1 W201
0.01
50V
8.8
0.47
50V
IC251
BA50BC0T
IC251
+5V REG
R280
2.2
8.8
VCC
OUT
GND
C252
0.47
50V
EXCEPT
E51, EA
C254
0.47
JS904
GND 50V F901
8.8
OUT VCC T2.5AL/250V
IC252
Q901
BA50BC0T
2SC3052EF-T1-LEF
IC252
RELAY DRIVER
R903
0.2
2.2k
+5V REG PW_RY 0.8
R904
47k
D901
RY901
MA2J1110GLS0
5V, TV-8
R902
1
1/4W
EXCEPT
E51, EA
T902
SUB POWER
TRANSFORMER
SUB_PT_P6
C950
D950-D953
0.47
1SR154-400TE-25
50V
SUB_PT_P8
D950
D952
C951
NEUTRAL_SUB_PT_P1
0.47
50V
D951
D953
C943
0.1
C992 R991
1 22k D990
0.6 1/10W
50V MC2838-T112-1
R990
R993
10k 47k
1/10W
1/10W
STR-KM5500
Ver. 1.1
14 15 16 17
MAIN BOARD
(2/2)
CNP910
(Page 28)
MAIN BOARD
T901
(2/2) MAIN POWER
CNP920 TRANSFORMER
(Page 28)
CL232
1 R4 +AC
2 NC
CL233
3 R4 -AC
CNP940
3P
W202
AC SELECT
BOARD
CNP905
CNP902
(Page 43)
4P
CL234
1 LIVE
E51, EA
CL236
4 NEUTRAL
E51, EA
CN903
7P
CL237
1 220V/240V
2
CL238 AC SELECT
3 AC IN (120V/240V)
BOARD
FH902
4 CNP903
CL239
(Page 43)
5 AC IN FOR SUB PT
6
CL240
7 120V/127V
FH901
EXCEPT
E51, EA
CNP901
3P
CL241
1 LIVE
CL242 ~ AC IN
3 NEUTRAL
SUB_PT_P4
SUB_PT_P3