Sony KF-WE50A1 / KF-WS60A1 Service Manual ▷ View online
KF-WE50A1/WS60A1
RM-1022
RM-1022
– 43 –
– 44 –
4-3. CIRCUIT BOARDS LOCATION
4-4. SCHEMATIC DIAGRAMS
Note:
• The parts marked “#” on schematic diagrams are not mounted.
• Capacitors without voltage indication are all 50V.
• All resistors are in ohms.
• The parts marked “#” on schematic diagrams are not mounted.
• Capacitors without voltage indication are all 50V.
• All resistors are in ohms.
k
Ω=1000Ω, MΩ=1000kΩ
• Indication of resistance, which dose not have one for rating electrical power, is
as follows.
Pitch : 5mm
Rating electrical power :
1
/
4
W
•
: nonflammable resistor.
•
: fusible resistor.
•
: internal component.
•
: panel designation and adjustment for repair.
• All variable and adjustable resistors have characteristic curve B, unless other-
wise noted.
•
: earth-chassis.
• Readings are taken with a PAL color-bar signal input.
• Readings are taken with a 10M
• Readings are taken with a 10M
Ω digital multimeter.
• Voltages are dc with respect to ground unless otherwise noted.
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
• Voltage variations may be noted due to normal production tolerances.
• All voltages are in V.
* : Measurement impossibillity.
• Circled numbers are waveform references.
•
: B+ bus.
•
: B– bus.
•
: signal path.(RF)
Note: The symbol
display is on the component slde.
The components identified by shading and mark
are critical for safety. Replace only with part number
specified.
are critical for safety. Replace only with part number
specified.
The symbol
indicate fast operating fuse.
Replace only with fuse of same rating as maked.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
:
ADJUSTMENT RESISTOR
COIL
: LF-8L MICRO INDUCTOR
CAPACITOR : TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
G
D
S
B1 E1
C2
B2 C1
E2
2
3
4
5
6
7
8
9
0
!¡
!™
!¢
!§
!¶
!•
–
1
G
D
S
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
B2 E2
C1
B1 C2
E1
!ª
B1 E1
E2
C1(B2)
C2
@º
B1
E2
C1
C2
@™
@£
(B2)
E1
(B2)
E1
E2
B1
C2
C1
@¡
B1
E1
C2
B2
C1
E2
G
S
S
D
G
D
B1
E1
C2
B2
C1
E2
B1
E2
C2
C1(B2)
E2
B1
C1
C2
E1(B2)
C2
B1
C1
E2
E1(B2)
C2
B1
C1
E2
B2
E1
C2
Ver.1.5
Transistor
(FET)
(FET)
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Transistor
Discrete semiconductot
(Chip semiconductors that are not actually used are included.)
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Diode
Source
Source
Anode
Anode
(NC)
(NC)
Cathode
Anode
Cathode
Common
Cathode
Cathode
Common
Cathode
Cathode
Common
Common
Common
Common
Cathode
Anode
Base
Emitter
Collector
Base
Emitter
Collector
Drain
Gate
Gate
Drain
Device
Printed symbol
Terminal name
Circuit
Terminal name of semiconductors in silk screen
printed circuit (
*
)
Anode
Anode
Anode
Cathode
Anode
Anode
Cathode
!£
Transistor
(FET)
(FET)
Transistor
(FET)
(FET)
!∞
Emitter
Collector
Base
Transistor
Source
Gate
Drain
Cathode
Anode
Anode
Cathode
Anode
Anode
A
F
G1
UG
G2
RF splitter
Power supply
block
block
H3
T
H4
HMG
H1
MS2C
C
KD
B
H2
A
F
G1
UG
G2
RF splitter
Power supply
block
block
H3
T
H2
HMG
H1
MS2C
C
KD
• KF-WE50A1
• KF-WS60A1
B
KF-WE50A1/WS60A1
RM-1022
RM-1022
1
A
B
C
D
E
F
G
H
I
J
2
12
13
11
10
9
8
7
6
5
4
3
14
1
– 46 –
– 45 –
CN8001
CN8003
CN8004
Q8001
D8001
D8002
D8004
D8005
C8003
C8005
C8006
C8008
C8010
C8013
C8014
C8015
C8016
C8018
C8020
C8021
C8022
C8023
C8030
C8031
C8032
C8033
C8034
C8035
C8036
C8044
C8046
C8049
R8001
R8002
R8004
R8005
R8006
R8007
R8008
R8009
R8010
R8012
R8013
R8014
R8016
R8017
R8018
R8022
R8023
R8024
R8025
R8032
R8033
R8034
R8036
R8038
R8039
R8042
R8044
R8048
R8050
R8055
R8060
R8061
R8062
L8001
L8002
L8003
L8004
L8007
L8010
L8011
L8014
L8015
L8016
JR8001
JR8002
C8068
C8067
C8045
C8019
C8017
C8011
C8009
C8007
C8004
C8002
C8001
CN8002
R8073
R8075
R8074
R8076
TU8002
R8051
R8077
R8078
R8079
R8080
R8081
C8069
C8070
CN8005
CN8006
CN8007
CN8008
L8017
R8020
R8021
R8026
R8027
R8029
R8030
R8043
R8049
R8040
R8041
R8045
R8046
R8047
C8071
C8072
D8006
D8007
D8008
D8009
R082
R083
R084
R086
R085
R087
R088
IC8001
Q8011
Q8015
Q8017
Q8016
TU8001
Q8002
Q8005
Q8014
Q8013
Q8010
R8019
C8029
Q8004
Q8012
Q8006
R8037
R8031
C8026
C8025
C8012
L8008
R8003
R8028
L8006
L8018
C8027
C8028
:LHLZ06
:LHLZ06
#
PROT
0.0022
B:1608
470p
B:1608
470p
B:1608
470p
B:1608
470p
B:1608
0.0022
B:1608
B:1608
0.0022
B:1608
0.047
16V
B:1608
1
6.3V
B:1608
96P
:B TO B
150p
CH:1608
330p
CH:1608
0.047
16V
B:1608
1
6.3V
B:1608
1
6.3V
B:1608
1
6.3V
B:1608
0.1
25V
F:1608
150p
CH:1608
10k
1/10W
:CHIP
10k
1/10W
:CHIP
150k
1/10W
:CHIP
0
:1608
0
:1608
2.2k
1/10W
:CHIP
0
:1608
100
1/10W
:CHIP
MMDL914T1
0
:1608
0
:1608
0
:1608
0
:1608
0
:1608
470
1/10W
:CHIP
220
1/10W
:CHIP
10k
1/10W
:CHIP
1M
1/10W
:CHIP
0
:1608
50P
:B TO B
3P
WHT
:S-MICRO
0.1
16V
B:1608
0.1
25V
F:1608
0.1
16V
B:1608
2.2k
1/10W
:CHIP
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
#
RD5.6SB3-T1
UDZSTE-1718B
#
#
#
470
16V
:AL-CP
470
16V
:AL-CP
100
16V
:AL-CP
100
16V
:AL-CP
100
16V
:AL-CP
47
:AL-CP
100
16V
:AL-CP
100
16V
:AL-CP
#
100
16V
16V
:AL-CP
#
5P
WHT
:S-MICRO
470
1/10W
:CHIP
470
1/10W
:CHIP
1.5k
1/10W
:CHIP
1.5k
1/10W
:CHIP
BTF-LG434(40)
SUB-TU
4.7k
10k
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
47k
1/10W
:CHIP
#
1/10W
:CHIP
#
16V
B:1608
#
16V
B:1608
1P
1P
#
6P
:B TO B
:LHLZ06
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
5.6k
1/10W
:RN-CP
6.8k
1/10W
:RN-CP
150k
:RN-CP
1.5k
1/10W
:RN-CP
10k
1/10W
:RN-CP
10k
1/10W
:RN-CP
1M
1/10W
:RN-CP
100
16V
:AL-CP
4.7
:AL-CP
MA113
MUTE-SW
MA113
RECT
MMDL914T1
MUTE-SW
M1MA152WA
MUTE
27k
1/10W
:CHIP
18k
1/10W
:CHIP
0
:1608
0
:1608
47k
1/10W
:CHIP
22k
1/10W
:CHIP
1M
1/10W
:CHIP
S-80843CLUA
RESET
MSD601-RT1
2PB709AR
MUTE-SW
2PB709AR
MUTE-SW
DTC114EKA
MUTE-SW
MSB709-RT1
BUFFER
MSB709-RT1
SYNC.
SEPARATOR
MSD601-RT1
INV.
MSD601-RT1
INV.
MSD601-RT1
INV.
100
1/10W
:CHIP
330p
CH:1608
MSB709-RT1
BUFFER
MSD601-RT1
BUFFER
MSB709-RT1
BUFFER
1.5k
1/10W
:CHIP
2.2k
1/10W
:CHIP
0.0022
B:1608
470
16V
:AL-CP
100
16V
:AL-CP
:LHLZ06
#
0
:1608
0.0022
B:1608
100
16V
:AL-CP
SUBCOMP
VAR-MUTE
SIRCS
+3.3V
DD 6V
+2.5V
DD OVP
+9V
+5V
HP
AUDIO OUT
+33V
ST_VIDEO
TEXT-BLK
+3.3V
+9V
+5V
MAIN-LR
ST_VIDEO
SIRCS
+5V
TEXT_Y
TEXT_PB
TEXT_PR
+5V
+9V
YUV-SW
YUV-SW
HDMI-RST
ST-L
MT-L
MT-R
+9V
SUB-CV/YC-OUT
DDGND
+1.8V
HDMI-RST
IIC-TV
ST-L
+3.3V
MT-R
MT-L
STBY5V
STBY5V
+11V
+3.3V
FMONO
+9V
L-MUTE
I-SAP
AGC
MAFT
SAFT
S-HSYNC
M-HSYNC
WF
R
L
AGC
SDA
SCL
I-SAP
L
R
Y/CV
C
L
R
VD
HD
Y
PB
PR
S-HSYNC
SAFT
SDA
SCL
MAFT
M-HSYNC
SCL
SDA
L
R
PR
PB
Y
SCL
SDA
Y
PB
PR
SDA
SCL
GND
L
R
(1) AG (1/5) Board
1
1.6 Vp-p (H)
2
1.6 Vp-p (H)
3
4.2 Vp-p (H)
4
4.2 Vp-p (V)
KF-WE50A1/WS60A1
RM-1022
RM-1022
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
– 47 –
– 48 –
(2) AG (2/5) Board
C8203
C8204
C8205
C8206
C8207
C8209
C8212
C8213
C8217
C8218
C8219
C8220
C8229
C8230
C8234
C8236
C8237
C8238
C8241
C8242
C8244
C8245
C8246
C8247
C8248
C8249
C8252
C8253
C8254
C8257
C8259
R8201
R8202
R8204
R8205
R8206
R8207
R8208
R8209
R8211
R8212
R8213
R8214
R8215
R8216
R8219
R8220
R8222
R8223
R8224
R8226
R8227
R8228
R8229
R8230
R8232
R8234
R8235
R8239
R8242
R8243
R8249
R8253
R8254
R8257
R8258
R8265
R8267
R8268
R8269
R8270
R8271
R8273
R8274
R8276
R8277
L8201
L8202
L8204
L8205
L8206
L8207
L8208
FB8201
FB8202
FB8203
FL8201
X8201
JR8201
C8258
C8240
C8239
C8221
C8223
C8312
C8313
C8314
C8315
R8264
R8320
R8248
R8203
R8210
R8225
R8233
C8316
C8317
C8318
R8251
R8255
R8259
R8262
R8245
C8243
IC8201
IC8202
Q8201
Q8202
Q8205
Q8203
Q8207
Q8206
Q8211
Q8209
Q8208
Q8213
Q8215
Q8218
Q8220
Q8204
DTC114U
SWITCH
C8214
0.1 16V
C8215
0.1
16V
C8216
0.1
16V
R8250
100
1/10W
R8240
100+1/10W
R8256
82
1/10W
R8263
1k
1/10W
R8247
1k
1/10W
R8236
470
1/10W
R8244
470
1/10W
R8252
470
1/10W
R8321
R8322
R8323
Q8216
MSB709-RT1
BUFFER
Q8219
MSB709-RT1
BUFFER
Q8222
MSB709-RT1
BUFFER
Q8221
MSB709-RT1
BUFFER
R8261
100
1/10W
R8278
180
1/10W
C8260
470p
50V
VCC
GND
FB8207
0
FB8206
0
R8272
100 1/10W
IC8203
TC7SET02FU
R8275
100
1/10W
R8281
100 1/10W
R8280
100
1/10W
R8279
2.2k
1/10W
Q8227
MSB709-RT1
BUFFER
Q8223
Q8224
Q8226
Q8225
C8211
C8210
IC8207
C8228
C8231
C8224
C8227
R8221
C8208
L8203
C8226
R8217
Q8210
Q8212
Q8214
R8238
C8225
C8222
C8256
C8255
R8260
FB8204
C8250
FB8205
L8209
R8266
R8246
C8235
R8241
C8232
L8220
L8219
C8201
C8202
#
#
#
10V
#
10V
#
25V
27k
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
470
1/10W
:CHIP
470
1/10W
:CHIP
100
1/10W
:CHIP
0.47
10V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
10p
CH:1608
0.1
16V
B:1608
0.1
16V
B:1608
100
1/10W
:CHIP
0.01
25V
B:1608
0
:1608
390
1/10W
:CHIP
1k
1/10W
:CHIP
820
1/10W
:CHIP
1.2k
1/10W
:CHIP
6.8k
1/10W
:CHIP
390
1/10W
:CHIP
1k
1/10W
:CHIP
12k
1/10W
:CHIP
470
1/10W
:CHIP
820
1/10W
:CHIP
470
1/10W
:CHIP
1k
1/10W
:CHIP
1.2k
1/10W
:CHIP
12k
1/10W
:CHIP
6.8k
1/10W
:CHIP
1k
1/10W
:CHIP
470
1/10W
:CHIP
1k
1/10W
:CHIP
1k
1/10W
:CHIP
1k
1/10W
:CHIP
0.01
25V
B:1608
0.1
16V
B:1608
#
47
25V
:AL-CP
47
25V
:AL-CP
:CHIP
:CHIP
0.1
16V
B:1608
22p
CH:1608
12p
CH:1608
22p
CH:1608
12p
CH:1608
47
25V
:AL-CP
:CHIP
100
1/10W
:CHIP
22k
1/10W
:CHIP
220
1/10W
:CHIP
100
1/10W
:CHIP
470
1/10W
:CHIP
10k
1/10W
:CHIP
47
1/10W
:CHIP
#
BK2125HM601
BK1608HS601
5.6k
1/10W
:CHIP
15p
CH:1608
100
1/10W
:CHIP
1k
1/10W
:CHIP
470
1/10W
:CHIP
470
1/10W
:CHIP
1k
1/10W
:CHIP
470
1/10W
:CHIP
470
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
0.01
25V
B:1608
470
16V
:AL-CP
2.2
:AL-CP
4.7
:AL-CP
10
:AL-CP
0.01
25V B:1608
0.1
16V
B:1608
47
:AL-CP
0.1
16V
16V
B:1608
47
:AL-CP
0
:1608
470
1/10W
:CHIP
470
1/10W
:CHIP
0
:1608
0
:1608
0
:1608
0
:1608
0.1
16V
B:1608
0.1
16V
B:1608
47
25V
:AL-CP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
10k
1/10W
:RN-CP
100
CH:1608
TC90A69F
:B2H
CXA2163AQ-T6
SUB COLOR
DECODER
2SC4081T
2SA1576A-T106
2SC4081T
2SC4081T
2SA1576A-T106
2SC4081T
2SC4081T
2SC4081T
2SC4081T
2SA1576A-T106
2SC4081T
BUFF
2SA1576A-T106
2SC4081T
0
:1608
0
:1608
0
:1608
MSD601-RT1
BUFFER
MSB709-RT1
BUFFER
MSB709-RT1
BUFFER
MSD601-RT1
BUFFER
0.1
16V
B:1608
100
16V
:AL-CP
BA05FP-E2
+5V REG.
0.1
16V
B:1608
100
16V
:AL-CP
0.1
16V
B:1608
680p
B:1608
330
1/10W
:CHIP
0.01
25V
B:1608
:CHIP
0.47
10V
B:1608
470
1/10W
:CHIP
MSB709-RT1
BUFFER
MSB709-RT1
BUFFER
MSB709-RT1
BUFFER
4.7M
1/10W
:CHIP
0.01
25V
B:1608
#
25V
0.1
16V
B:1608
47
25V
:AL-CP
4.7M
1/10W
:CHIP
0
:1608
1
10V
F:1608
0
:1608
10k
1/10W
:CHIP
560
1/10W
:CHIP
1
10V
F:1608
47
1/10W
:CHIP
0.01
25V
B:1608
47
25V
:AL-CP
0.1
16V
B:1608
SUB-CV/YC-OUT
BLK
TEXT_G
TEXT_R
TEXT_B
IIC-TV
+5V
TEXT_CV
TEXT-BLK
SUBCOMP
+9V
A5V
A5V
+9V
TEXT_Y
+5V
TEXT_PR
TEXT_PB
TEXT_H
TEXT_V
TO AG 2/5,5/5_16
SCL
SDA
Y
SDA
SCL
Y/CV
C
PB
PR
H
D
V
D
5
0.3 Vp-p (62nsec)
6
4.8 Vp-p (V)
7
4.8 Vp-p (H)
KF-WE50A1/WS60A1
RM-1022
RM-1022
1
A
B
C
D
E
F
G
H
I
J
2
12
13
11
10
9
8
7
6
5
4
3
14
1
– 50 –
– 49 –
(3) AG (3/5) Board
D8202
D8203
D8204
D8205
D8206
D8207
D8209
D8210
D8211
D8212
D8213
D8214
C8270
C8272
C8273
C8274
C8275
C8276
C8277
C8278
C8279
C8280
C8281
C8282
C8283
C8284
C8285
C8286
C8287
C8289
C8291
C8292
C8293
C8294
C8295
C8296
C8298
C8299
C8300
C8301
C8302
C8303
C8304
C8305
C8306
C8307
C8308
C8309
C8310
C8311
R8289
R8291
R8292
R8293
R8294
R8295
R8296
R8297
R8298
R8301
R8302
R8303
R8304
R8305
R8307
R8308
R8309
R8310
R8312
R8313
R8314
R8315
R8316
R8317
R8318
R8319
L8215
C8290
C8288
CN8202
C8261
C8263
C8264
C8267
C8268
D8200
D8201
D8208
L8211
L8212
L8213
L8214
L8217
L8218
R8285
C8262
R8237
C8297
CN8201
D8215
L8221
IC8206
Q8230
Q8231
Q8232
Q8229
IC8205
Q8233
IC8204
R8284
R8282
R8306
R8300
R8299
R8311
L8216
C8271
R8288
#
#
0.1
25V
B:CHIP
0.1
25V
B:CHIP
UDZS-4.3B
1k
1/10W
:CHIP
MMDL914T1
UDZS-4.3B
1k
1/10W
:CHIP
MMDL914T1
#
:1608
#
:1608
#
:1608
#
:1608
82
16V
270k
1/10W
:CHIP
10k
1/10W
:RN-CP
680
1/10W
:CHIP
3.3k
1/10W
:RN-CP
18k
1/10W
:RN-CP
330
1/10W
:CHIP
680
1/10W
:CHIP
330
1/10W
:CHIP
3.3k
1/10W
:RN-CP
27k
1/10W
:RN-CP
10k
1/10W
:RN-CP
100k
1/10W
:CHIP
M1FM3
M1FM3
10
1/10W
:CHIP
6.8k
1/10W
:CHIP
6.8k
1/10W
:CHIP
10
1/10W
:CHIP
#
82
16V
1000
6.3V
:AL-CP
#
82
16V
1000
6.3V
:AL-CP
0.0022
B:1608
0.0033
B:1608
47p
CH:1608
0.1
16V
B:1608
0.1
16V
B:1608
0.1
16V
B:1608
0.1
16V
B:1608
0.1
16V
B:1608
0.033
16V
B:1608
0.033
16V
B:1608
0.1
16V
B:1608
0.1
16V
B:1608
0.1
16V
B:1608
10k
1/10W
:CHIP
10
25V
B:3225
10
25V
B:3225
10
25V
B:3225
100k
1/10W
:CHIP
10
10V
B:3216
#
B:1608
#
B:1608
#
B:1608
1k
1/10W
:CHIP
1k
1/10W
:CHIP
33
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
2.2k
1/10W
:CHIP
:LHL13
MMDL914T1
PROT
MM3Z5V6ST1
MS3.3V OVP
#
UDZS-TE17-5.6B
0.1
25V
F:1608
#
0.1
25V
F:1608
#
:1608
#
:1608
470
16V
1000
6.3V
:AL-CP
4P
WHT
:S-MICRO
10
16V
B:CHIP
100
16V
:AL-CP
0.1
16V
B:CHIP
470
16V
:AL-CP
0.001
B:1608
RTZ-TE25-3.9B
RB063L-30TE25
EC21QS04-TE12L
DUMPER
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
:CHIP
1k
1/10W
:RN-CP
#
B:1608
1k
1/10W
:CHIP
10000
16V
B14B-XADSS-N-A
DINL20U-TA2
S18033JF
3.3V
REG
REG
2SC2412K
SW
2SC2412K
SW
2PD601AR
IRF7335D1-TR
SWITCHING
TPS5120DBTR
SWITCHING
REGULATOR
IRF7335D1-TR
SWITCHING
PQ1CZ41H2ZPH
+1.8V REG.
510
1/10W
:RN-CP
#
1/10W
:RN-CP
120k
1/10W
:CHIP
22k
1/10W
:CHIP
3.3k
1/10W
:CHIP
100k
1/10W
:CHIP
470
16V
:AL-CP
0
:1608
+3.3V
+2.5V
DD OVP
DDGND
+1.8V
DD 6V
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