DOWNLOAD Sony KF-42WE620 / KF-50WE620 Service Manual ↓ Size: 6.42 MB | Pages: 127 in PDF or view online for FREE

Model
KF-42WE620 KF-50WE620
Pages
127
Size
6.42 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kf-42we620-kf-50we620.pdf
Date
PREV: Sony KP-46WT520 / KP-51WS520 / KP-57WS520 (serv.man2) Service Manual

Sony KF-42WE620 / KF-50WE620 Service Manual ▷ View online

KF-42WE620/50WE620
102 
KF-42WE620/50WE620
1 
| 
2        | 
3 
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4 
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5 
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6 
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7 
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8 
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9 
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10 
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11 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
C8008
C8018
C8019
C8044
C8048
C8050
C8064
C8065
CN8019
D8004
D8005
D8006
D8011
D8017
D8022
D8026
D8027
D8028
C8012
C8020
C8021
C8045
C8049
C8051
C8066
C8067
R8038
R8045
R8051
R8101
R8124
R8125
R8148
D8033
D8034
CN8001
R8020
CN8002
CN8021
C8087
C8086
C8088
R8191
R8192
R8193
R8190
R8194
R8198
R8195
R8196
R8197
R8199
R8200
R8201
CN8003
CN8014
CN8022
CN8009
IC8002
IC8004
R8025
R8246
R8247
R8245
R8052
R8105
R8127
CN8020
D8020
D8021
Q8013
Q8026
R8032
R8033
R8097
R8677
R8678
CN8018
R8146
R8145
R8144
R8143
R8142
R8141
R8140
R8218
R8219
R8131
R8122
R8123
R8139
R8109
R8108
R8211
R8210
R8209
R8102
R8100
R8208
R8221
R8220
R8217
R8024
R8023
R8022
C8073
R8088
Q8513
IC8003
Q8049
Q8046
Q8024
IC8005
Q8048
Q8045
Q8047
IC8006
Q8044
47
25V
:AL-CP
47
25V
:AL-CP
47
25V
:AL-CP
47
25V
:AL-CP
10P
:B-TO-B
47
25V
:AL-CP
47
25V
:AL-CP
47
25V
:AL-CP
47
25V
:AL-CP
MA111
MA111
MA111
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
100k
1/10W
:CHIP
18k
1/10W
:RN-CP
#
1/10W
:RN-CP
18k
1/10W
:RN-CP
0
1/10W
:1608
18k
1/10W
:RN-CP
0
:CHIP
MA111
MA111
5P
WHT
:S-MICRO
#
8P
WHT
:S-MICRO
7P
BLK
:S-MICRO
MA111
PROTECT
MA111
PROTECT
MA111
PROTECT
MA111
PROTECT
MA111
PROTECT
MA111
PROTECT
0.1
25V
F:1608
0.1
25V
F:1608
0.1
25V
F:1608
1k
:1608
47k
:1608
10
:1608
47k
:1608
1k
:1608
47k
:1608
47k
:1608
47k
:1608
10
:1608
1k
:1608
47k
:1608
10
:1608
5P
BLK
:S-MICRO
6P
WHT
:S-MICRO
9P
:S-MICRO
96P
:B-TO-B
#
FAN5 REG
#
FAN4 REG
#
1/10W
:CHIP
15k
1/10W
:CHIP
15k
1/10W
:CHIP
15k
1/10W
:CHIP
10k
1/10W
:RN-CP
10k
1/10W
:RN-CP
10k
1/10W
:RN-CP
11P
BUSCON
#
PROTECT
#
PROTECT
#
FAN5 SW
#
FAN2 SW
#
1/10W
:RN-CP
#
1/10W
:RN-CP
#
1/10W
:RN-CP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
10P
0 1/10W :1608
0 1/10W :1608
0 1/10W :1608
0 1/10W :1608
0 1/10W :1608
0 1/10W :1608
0 1/10W :1608
0
1/10W :1608
0
1/10W :1608
0 1/10W
:1608
0 1/10W
:1608
0 1/10W
:1608
0
1/10W
:1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W :1608
0
1/10W
:1608
0
1/10W
:1608
0
1/10W
:1608
10k
1/10W
:1608
10k
1/10W
:1608
10k
1/10W
:1608
0.1
16V
B:CHIP
1.8k
:1608
2PD601AR
PQ20WZ1UJ00H
FAN1 REG
2PB709AR
2PD601AR
DTC114EKA
FAN-CTL SW
PQ20WZ1U
FAN2 REG
2PB709AR
2PD601AR
2PB709AR
PQ20WZ1U
FAN3 REG
2PD601AR
SIRCS
STBY 5V
ANT-SW1
LVDS 3.3V
SET 4V
SET 5V
STBY 5V
LVDS 3.3V
POW-CTL
AC-RLY(+)
AC-RLY(-)
17V-DET
SET 5V
STBY 5V
SET 11V
IIC
TU CONT
IIC-E
DVI
DC-PROT
VAR MUTE
DIC2 CONT
CV/COMP-SW
OVP
11V DET
MUTE
MS AC OFF
VCHIP
SET 11V
SET 11V
SET 11V
FAN-CTL
SET 5V
FAN-CTL
FAN-CTL
STBY-DAT
STBY-CLK
O-SAP
I-SAP
FMONO
AGC
AFT2
AFT1
M-HSYNC
S-HSYNC
V PULSE
STBY-CLK
STBY-DAT
SDA
SCL
SDA-E
SCL-E
FAN5
FAN5-POW
FAN1-POW
RESET
VGA
DVI MUTE
BINT
FAN1-PROT
FAN2-PROT
FAN3-PROT
FAN4-PROT
FAN5-PROT
SYSTEM RESET
RESET
FAN3-CTL
FAN1-CTL
FAN4
FAN2-CTL
FAN4
FAN5
VCHIP-MY
VCHIP-SY
FAN4-POW
FAN2-POW
FAN3-POW
FAN5-PROT
FAN4-PROT
FAN2-PROT
FAN3-PROT
FAN1-PROT
FAN5-POW
FAN4-POW
FAN3-POW
FAN2-POW
FAN1-POW
SDA
SCL
SDA-E
SCL-E
SDA-E
SCL-E
A BOARD SCHEMATIC DIAGRAM (1 OF 4)
3-4.  SCHEMATICS AND SUPPORTING INFORMATION
KF-42WE620/50WE620
103 
KF-42WE620/50WE620
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
A BOARD SCHEMATIC DIAGRAM (2 OF 4)
C8016
C8024
C8030
C8035
C8037
C8042
C8047
D8023
FB8004
FB8005 FB8006
FB8007
FB8008
FB8009
FB8010
FB8011
FB8012
FB8013
FB8014
FB8015
TU8001
C8015
C8023
C8026
C8027
C8031
C8034
C8036
C8041
C8052
C8053
C8054
C8055
C8056
C8057
C8058
R8057
R8058
R8060
R8061
R8063
R8065
R8066
R8067
R8068
R8070
R8073 R8074
R8077
R8081
R8084
R8085
R8086
R8087
R8091
R8093
R8098
R8099
R8103
R8110
R8111
R8112
R8113
R8114
R8115
R8116
R8118
R8119
R8120
R8121
C8029
C8028
R8089
C8014
L8004
L8005
L8006
L8007
L8008
CN8902
C8001 C8002
C8062
C8063
C8081
C8083
C8084
C8085
CN8013
D8001
D8035
D8036
L8010
10
+H
L8011
100
+H
R8003
R8004
R8005
R8006
R8008
R8010
R8183
R8184
R8185
C8082
D8024
D8037
C8068
C8069
C8070
R8001
R8002
R8615
D8029
D8030
R8134
R8138
C8061
C8077
D8014
C8090
R8252
R8204
C8089
R8007
FB8016
FB8017
C8060
C8059
R8117
R8227
R8228
R8205
R8206
R8207
R8253
R8254
R8251
R8202
R8203
C8604
C8605
L8012
R8072
TU8002
R8082
C8038
C8039
L8009
R8079
R8071
C8022
C8033
C8032
R8076
C8017
Q8019
Q8023
Q8021
Q8034
Q8025
Q8027
Q8029
Q8030
Q8001
Q8002
IC8007
IC8010
IC8009
IC8008
47
100
16V
100
16V
100
16V
100
16V
100
16V
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
0
1/10W
:2012
BK2125HS601
BK2125HS601
BK2125HS601
BK2125HS601
RD3.9SB2-TI
10V
47
+F
0.1
+F
0.0022
B:1608
0.0022
B:1608
0.0022
B:1608
0.01
25V
B:1608
0.0022
B:1608
0.0022
B:1608
0.0022
B:1608
0.0022
B:1608
25V
:CHIP
0.047
16V
B:CHIP
1
10V
F:1608
330p
50V
B:CHIP
100p
50V
CH:CHIP
0.047
16V
B:CHIP
1
10V
F:CHIP
33k
1/10W
:CHIP
10k
1/10W
:1608
0
1/10W
:1608
3.3k
:CHIP
33k
1/10W
:CHIP
2.2k
1/10W
:CHIP
0
:1608
100
1/10W
:CHIP
100
1/10W
:CHIP
2.2k
1/10W
:CHIP
1k
1/16W
:CHIP
100
1/10W
:1608
22k
1/10W
:CHIP
150k
1/10W
:CHIP
47
1/10W
:CHIP
47
1/10W
:CHIP
47
1/10W
:CHIP
47
1/10W
:CHIP
2.2k
1/10W
10k
1/10W
2.2k
1/10W
:CHIP
0
1/10W
:1608
220
1/10W
:CHIP
150k
1/10W
:CHIP
1.5k
1/10W
:CHIP
4.7k
1/16W
:CHIP
1M
1/10W
:CHIP
10k
1/10W
10k
1/10W
150k
1/10W
:CHIP
4.7k
1/16W
:CHIP
1M
1/10W
:CHIP
10k
1/10W
10k
1/10W
10
10
10k
1/10W
:CHIP
10
16V
:LHLZ06
:LHLZ06
:LHLZ06
:LHLZ06
:LHLZ06
100
+H
100
+H
10
+H
64P
:B-TO-B
47
25V
:AL-CP
0.1
25V
F:1608
47
25V
:AL-CP
0.1
25V
F:1608
0.1
25V
F:1608
1000
10V
0.1
25V
F:1608
470
25V
4P
BLK
:S-MICRO
MA111
MM3Z5V6ST1
MS3.3V OVP
MMDL914T1
PROT
:LHL13
10k
:1608
10k
:1608
2.2k
:1608
22k
:1608
3.3k
RN:1608
3.3k
:1608
33
:1608
1k
:1608
1k
:1608
#
#
EC21QS04-TE12L
DUMPER
#
#
:1608
#
:1608
#
:1608
#
:1608
0
1/10W
:CHIP
MA111
PROTECT
UDZS-4.3B
3.3V OVP
1k
1/10W
:CHIP
10k
1/10W
:CHIP
100
10P
:AL-CP
10
16V
:AL-CP
UDZS-TE17-8.2B
10V-DET
0.1
25V
F:1608
10k
1/10W
:CHIP
10k
1/10W
:CHIP
10
:AL-CP
910
RN:1608
BTF-FA421
BK1608TS601
:2012
#
220p
:CHIP
2.2k
1/10W
:CHIP
22 1/10W :CHIP
22 1/10W :CHIP
0 :1608
0 :1608
0 :1608
10k 1/10W :CHIP
10k 1/10W :CHIP
10k 1/10W :CHIP
10k 1/10W :CHIP
10k 1/10W :CHIP
#
#
#
0
:1608
BTF-WA421
10k
1/10W
:1608
470
16V
0.0022
B:1608
:LHLZ06
10
+H
100
+H
100
+H
150k
1/10W
:CHIP
22k
1/10W
:CHIP
0.01
25V
B:1608
0.0022
B:1608
100
16V
0
:1608
10
16V
2PD601AR
INVERTER
2PD601AR
2PD601AR
2PD601AR
D-OVP-SW
2PD601AR
2PD601AR
2PB709AR
2PB709AR
2SC2412K
SW
2SC2412K
SW
PQ20WZ1U
LVDS3.3V
CXA1875AM
SI8033JF:3.3V
REG
MM1476AF
SET 5V
9V
33V
STBY 5V
SET 9V
SET 5V
TU 33V
IIC
SET 5V
TU CONT
POW-CTL
AC-RLY(+)
AC-RLY(-)
TU 33V
SET 9V
SET 4V
SET 11V
SET 6.5V
SET 5V
17V-DET
17V
-17V
SET 6.5V
LVDS 3.3V
MS AC OFF
OVP
FAN-CTL
SET 5V
IIC-E
SET 5V
SET 5V
STBY 7V
AC DET
MS 3.3V
AU 2-3
AFT2
I-SAP
AFT1
SDA
SCL
SDA
SCL
M-L
M-R
S-V
S-LR
M-V
AGC
M-HSYNC
S-HSYNC
FMONO
O-SAP
SCL-E
SDA-E
FAN1-CTL
FAN2-CTL
FAN3-CTL
A BOARD WAVEFORMS
1
0.45 Vp-p (H)
KF-42WE620/50WE620
104 
KF-42WE620/50WE620
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
12 
| 
13 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
A BOARD SCHEMATIC DIAGRAM (3 OF 4)
CN8005
CN8008
FB8003
C8004
R8029
R8147
R8151
R8152
R8153
R8155
R8157
CN8010
R8171
R8179
R8180
R8019
R8164
R8182
C8600
R8161
D8003
D8038
C8092
CN8011
L8013
10
+H
C8091
CN8036
CN8037
CN8038
CN8039
CN8040
C8005
CN8012
CN8004
CN8007
CN8024
CN8025
CN8026
R8159
R8162
L8003
C8007
C8006
R8041
R8034
R8039
R8042
R8056
R8048
R8050
R8080
R8064
R8078
R8069
R8083
R8240
R8238
R8237
R8239
R8236
R8241
R8075
R8055
R8043
FB8002
L8002
R8027
C8080
R8044
R8062
R8160
R8156
R8028
L8001
R8011
FB8001
CN8901
Q8003
Q8039
Q8018
Q8014
Q8051
Q8052
Q8035
Q8022
Q8041
Q8016
Q8008
Q8036
Q8017
Q8015
Q8009
Q8037
Q8006
IC8001
64P
:B-TO-B
4P
WHT
:S-MICRO
BK1608HS601
0.1
16V
F:1608
1.1k
1/10W
:RN-CP
47k
1/10W
:CHIP
100k
1/10W
:CHIP
47k
1/10W
:CHIP
10k
1/10W
:CHIP
100k
1/10W
:CHIP
2.2k
1/10W
:CHIP
1P
#
:1608
10k
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
100k
1/10W
:CHIP
#
:1608
0.1
25V
F:1608
47k
1/10W
:CHIP
MA111
MA111
100
16V
#
:LB2016
0.1
25V
F:1608
1P
1P
1P
1P
1P
10
1P
100P
:B-TO-B
20P
1P
1P
#
2.2k
1/10W
:CHIP
10k
1/10W
:CHIP
:LAV35
10
+H
0.1
16V
F:1608
10
0
1/10W
:CHIP
1k
1/10W
:RN-CP
47
:RN-CP
100
1/10W
:RN-CP
100
1/10W
:RN-CP
1k
1/10W
:RN-CP
47
:RN-CP
100
1/10W
:RN-CP
1k
1/10W
:RN-CP
47
:RN-CP
#
1/10W
:CHIP
820
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
2.2k
1/10W
:CHIP
2.2k
1/10W
:CHIP
56
1/10W
:CHIP
56
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
100
1/10W
:CHIP
BK1608HS601
#
:LAV35
22
1/10W
:RN-CP
0.22
10V
B:1608
820
1/10W
:CHIP
820
1/10W
:CHIP
220k
1/10W
:CHIP
100k
1/10W
:CHIP
100
1/10W
:CHIP
:LHLZ06
100
+H
10k
:1608
0
1/10W
:2012
10P
:B-TO-B
DTC114EKA
2PD601AR
INV.
2SC4081T106R
BUFFER
2SC4081T106R
BUFFER
2PB709AR
2PB709AR
2PB709AR
2SA1576A-T106-QR
BUFF
2PB709AR
2SC4081T106R
BUFFER
2PB709AR
2PD601AR
2SA1576A-T106-QR
BUFF
2SA1576A-T106-QR
BUFF
2PD601AR
2PD601AR
INV.
2PD601AR
ANT SW
MAX4451
OPAMP
STBY 5V
SIRCS
SET 9V
SET 5V
SET 9V
ANT-SW1
SET 5V
SET 9V
SET 9V
DVI
VAR MUTE
CV/COMP-SW
VAR L
VAR R
L_OUT
R_OUT
IIC
SET 5V
SW 3.3V
SET 9V
SET 6.5V
SET 11V
SW 1.8V
SW 3.3V
SW 2.5V
DIC2 CONT
OVP
SW 1.8V
SW 2.5V
SW 3.3V
VCHIP
AC DET
MS 3.3V
AU 2-3
RESET
VGA
DVI MUTE
SCL
SDA
Y
CB
CR
Y
CB
CR
Y
CB
CR
M-L
M-R
M-V
S-V
S-LR
S-C
S-YV
RESET
BINT
SDA
SCL
SYSTEM RESET
V PULSE
VCHIP-MY
VCHIP-SY
Y
CB
CR
S-YV
S-C
MS-L
MS-L
MS-R
MS-R
‡
A BOARD WAVEFORMS
2
0.6Vp-p (H)
KF-42WE620/50WE620
105 
KF-42WE620/50WE620
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
A BOARD SCHEMATIC DIAGRAM (4 OF 4)
C8639
D8500
D8505
D8506
C8649
R8616
R8618
R8621
R8628
R8631
R8632
R8637
R8638
R8641
C8603
R8587
R8591
R8593
C8587
C8595
R8579
R8583
R8580
C8597
R8669
C8653
D8508
D8509
D8510
R8656
R8674
D8511
R8675
C8654
R8676
C8590
R8581
R8609
R8614
R8617
R8620
R8627
R8658
R8668
L8506
C8632
C8592
C8602
R8642
R8647
R8673
C8598
C8599
R8012
R8013
CN8501
CN8903
CN8023
R8645
C8071
D8025
D8031
R8014
R8015
R8578
C8641
R8646
C8633
R8592
C8586
C8585
R8640
R8672
R8619
R8650
R8670
C8638
C8650
R8636
C8593
C8631
R8671
R8016
R8654
Q8503
Q8504
Q8500
Q8005
Q8004
Q8507
Q8508
Q8509
Q8510
Q8512
IC8504
IC8507
MA111-TX
DC-DET
10
50V
MA111-TX
MUTE
MM3Z9V1ST
PROTECT
0.1
16V
B:1608
2.2k
1/10W
:CHIP
#
1/10W
:1608
47k
1/10W
:CHIP
2.2k
1/10W
:CHIP
1k
1/10W
:CHIP
1k
1/10W
:CHIP
47k
1/10W
:CHIP
47k
1/10W
:CHIP
12k
1/10W
:CHIP
0.1
25V
F:CHIP
33k
1/10W
:CHIP
22k
1/16W
:CHIP
47k
1/10W
:CHIP
22
22
22k
1/10W
:CHIP
22k
1/10W
:CHIP
680
1/10W
:CHIP
0.1
B:2012
47k
1/10W
:CHIP
470
16V
MA111
MA111
MA111
12k
1/10W
:CHIP
6.8k
1/10W
:CHIP
MA111
33k
1/10W
:CHIP
0.1
50V
:MPS
4.7
1W
:RS
2.2
2.7k
1/10W
:CHIP
22k
:CHIP
12k
:CHIP
22k
:CHIP
100
1/10W
:CHIP
12k
:CHIP
100
1/10W
:CHIP
0
1/10W
:CHIP
:CHIP
47
+H
220
25V
:BP
4700
25V
4700
25V
10k
1/10W
:1608
100
1/10W
:1608
10k
1/10W
:1608
#
:CHIP
#
:CHIP
0
1/10W
:1608
0
1/10W
:1608
3P
:S-MICRO
18P
BROWN
:B-TO-B
4P
YEL
:S-MICRO
270
1/10W
:CHIP
100
16V
MA111
MA111
100
1/10W
:CHIP
10k
1/10W
:CHIP
3.9k
1/10W
:CHIP
0.047
50V
:MPS
33k
1/10W
:CHIP
10
16V
:BP
47k
1/10W
:CHIP
10
10
68k
1/10W
:CHIP
100
1/10W
:1608
0
1/10W
:1608
22k
1/10W
:CHIP
22k
:CHIP
0.047
50V
:MPS
100
16V
68k
1/10W
:CHIP
0.1
25V
F:CHIP
10
16V
:BP
0
:CHIP
10k
1/10W
:CHIP
0
1/10W
:1608
2PD601AR
2PD601AR
2PD601AR
DC-DET
2PD601AR
2PB709AR
MUTE
2PB709AR
DC-DET
2PD601AR
DC-DET
2PD601AR
DC-DET
2PB709AR
MUTE
2PB709AR
MUTE
TDA7296
WF-AMP
NJM4558V-TE2
FILTER-W
DC-PROT
SET 9V
SET 9V
VAR L
VAR R
SET 11V
11V DET
17V
MUTE
17V
R_OUT
L_OUT
IIC
-17V
17V
-17V
SET 5V
IIC-E
STBY 7V
SDA
SCL
SCL-E
SDA-E
Page of 127
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