Block Diagram (5) - Sony KF-WE50A1 Service Manual

BLOCK DIAGRAM (5)

S175 S173 S172
2 + PROG -
WE42/WE50
S195 S193 S192
2 + PROG -
WS60
H1
(KEY INPUT,SIRCS)
Q4504,4511
G
LED DRIVER
1
D4504
R
Q4509
D4503
LED DRIVER
D4510
H2
WE42/WE50
Q6504,6511
LED DRIVER
G
1
D6504
R
Q6509
D6503
LED DRIVER
D6510
IC2171
REMOTE
OUT 1
CONTROL
RECEIVER
H2
WS60 (REMOTE CONTROL RECEIVER)
– 31 –
CN191 WS60
WE42/WE50
CN171
2 KEY TO G2 BOARD
CN6022
S171 S174
PROG + 2 –
S191 S194
PROG + 2 –
CN4502
Q4503,4510
8 STBY LED
LED DRIVER
7 TIMER LED
Q4508
6
LAMP-LED
LED DRIVER
TO G2 BOARD
CN6021
5 GND
4 P-ON
STBY+3.3V
3
S4501
2 GND
1
1 POW_LED
+3.3V
(POWER SWITCH)
STBY
5V
8 STBY +5V
Q6503,6510
7 STBY LED
LED DRIVER
6 TIMER_LED
Q6508
TO G2 BOARD
5 LAMP-LED
LED DRIVER
STBY CN6021
+3.3V
1 4
4
3 SIRLS
2 2
IC2172 1 POW_LED
BUFFER
J40
3 4
1 2
V
4
L
L
(MONO)
R
J4302
i
H3
WE42/WE50 (VIDEO 4 INPUT, EEPROM)
J2040
3 4
1 2
V
4
L
L
(MONO)
R
J6302
i
H3
WS60 (VIDEO 4 INPUT)
CN144
1
3 SDA-E
SCL-E
2 4
IC141
EEPROM
H4
WS60 (EEPROM)
KF-WE42A1/WE50A1/WS60A1
RM-1022 RM-1022
CN44
1 3 SDA-E
TO G2 BOARD
2 4 SCL-E CN6022
IC41
EEPROM
CN2043
11 V4-V
9 V4-C
7 V4-Y I
5 V4-SSW
3 V4-L
TO UG BOARD
1 V4-R
CN1502
CN4302
B
4 HP SW
3 H.P (L)
1 H.P (R)
TO AG BOARD
CN8002
CN2043
11 V4-V
9 V4-C
7 V4-Y J
5 V4-SSW
3 V4-L
TO UG BOARD
1 V4-R
CN1502
CN6302
C
4 HP SW
H.P (L)
3
1 H.P (R) TO AG BOARD
CN8002
TO G1 BOARD
CN6022
– 32 –
RM-1022