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
106 
KF-42WE620/50WE620
[FAN REG, TUNER, COMP VIDEO,
 BUFFER, WOOFER AMP]
COMPONENT SIDE
A
C8001
C8005
C8006
C8008
C8009
C
8
0
1
8
C
8
0
1
9
C8043
C8044
C8048
C8050
C
8
0
6
2
C8064
C8065
C8078
R8028
R8164
R
8
1
6
0
C
8
0
8
0
R
8
1
5
5
R
8
1
5
7
R8152
R8153
R8151
R8156
R8037
R
8
0
4
2
R
8
0
3
9
R8034
C8007
R8043
R8041
R8044
FB8003
R8049
R
8
0
5
6
R
8
0
5
0
R8048
R8062
R8055
R8069
R
8
0
8
0
R
8
0
7
8
R8064
R8083
R8075
R
8
0
4
7
R
8
0
4
6
C8010
R8040
C8011
C8004
R
8
0
2
9
R
8
0
3
0
R
8
0
2
7
FB8002
D8001
C
8
0
0
2
R
8
0
0
7
R
8
0
0
8
C
8
0
8
5
L
8
0
1
0
L
8
0
1
1
C
8
0
8
3
R
8
1
2
5
D
8
0
2
7
R
8
1
0
1
R
8
0
3
1
R
8
0
3
6
R
8
0
3
5
R
8
0
8
8
R8161
R8147
R8019
L
8
0
0
3
L
8
0
0
2
L8001
C8068
R
8
6
6
4
C8592
C
8
5
8
5
C
8
5
8
6
C
8
5
9
5
C
8
5
9
0
C8602
C
8
5
8
7
R
8
6
7
6
C8654
C8637
R
8
6
6
7
R
8
6
7
1
R
8
6
2
3 R8619
C8030
C8016
L8004
C8032
L8006
C8014
L8008
C8028
C8652
C8650
C8645
C8639
C8653
C8003
C8633
C8047
C8038
L8009
C8017
L8007
C8035
C8024
L8005
C8042
C8037
R8121
C8058
R
8
1
1
8
C8060
R8120
C8632
R8021
R8026
CN8008
C
N
8
0
1
8
Q8022
Q
8
0
1
8
Q
8
0
1
7
Q8016
Q
8
0
1
5
Q
8
0
1
4
Q
8
0
0
8
Q8009
Q8039
Q8037
Q8036
Q8035
I
C
8
0
0
1
C
N
8
0
0
5
C
N
8
0
1
3
C
N
8
0
0
1
C
N
8
0
2
1
C
N
8
0
2
2
CN8501
I
C
8
5
0
7
C
N
8
0
1
9
I C8009
C
N
8
9
0
2
CN8010
CN8011
C
N
8
0
0
4
C8638
C8641
Z2
C8029
C
N
8
0
0
2
C8631
C
8
0
2
1
C8020
R
8
0
9
2
CN8039
CN8040
I C8504
C
N
8
0
1
4
C
N
8
0
0
3
R
8
2
2
1
R
8
2
2
0
C
N
8
0
2
3
C8605
L8012
C
8
0
9
1
C8092
L8013
R8217
R
8
2
4
1
R
8
2
3
6
R
8
2
3
7
R
8
2
3
9
R
8
2
3
8
R
8
2
4
0
D8003
D8038
Q
8
0
4
1
Q8051
Q8052
CN8036
C8077
C8061
CN8038
C8089
R8609
R8614
R8616
R
8
6
1
8
R
8
6
4
0
R
8
6
3
6
R8644
R
8
6
2
2
C
8
5
9
7
CN8020
CN8037
C
N
8
0
0
7
C
N
8
9
0
3
T
U
8
0
0
1
T
U
8
0
0
2
C
N
8
0
0
9
C8071
I
C
8
0
0
2
I
C
8
0
0
3
I
C
8
0
0
4
I
C
8
0
0
5
I
C
8
0
0
6
I
C
8
0
0
7
C
N
8
9
0
1
C
N
8
0
1
2
C
N
8
0
2
6
CN8025
C
N
8
0
2
4
1
9
2
0
C
1
A
1
1
5
C
1
B
1
A
1
C1
A1
1
4
A
1
A
2
B
1
B
2
A
4
9
A
5
0
B
4
9
B
5
0
1
6
1
1
1
5
2
0
2
2
1
6
3
1
1
1
1
5
2
1
1
4
1
5
1
7
1
0
1
1
1
5
1
3
11
10
2
1
1
1
0
1
0
9
2
1
1
9
1
0
2
C32
A32
A
3
2
C
3
2
A
3
2
B
3
2
C
3
2
3. 3V
CNVSS
CE
TXD
RXD
SCLK
BUSY
EPM
G
RESET
1
10
1
4
5
8
1
5
1
4
5
8
1
5
1
5
1
5
5
5
1
1
1
5
1
6
1
4
2
14
15
1
1
2
G1
DI C2
AU
1
2
1
7
1
8
U
C2
9
5
1
A
-
1
3
0
2
-
1- 689- 373- 12
2
6
6
-
A
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
A BOARD LOCATOR LIST (COMPONENT SIDE)
D8001
B-4
IC8003
E-9
Q8008
A-3
D8003
B-2
IC8005
G-10
Q8009
B-2
D8027
G-10
IC8006
H-9
Q8014
B-3
D8038
B-3
IC8007
B-4
Q8015
B-3
IC8009
J-8
Q8016
B-3
IC8507
G-3
Q8017
B-3
Q8018
B-4
Q8022
B-4
Q8035
C-3
Q8036
C-2
Q8037
B-2
Q8039
B-2
Q8041
B-2
Q8051
A-4
Q8052
B-4
           DIODE
              IC
    TRANSISTOR
KF-42WE620/50WE620
108 
KF-42WE620/50WE620
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
AU BOARD SCHEMATIC DIAGRAM (1 OF 2)
D4701
D4703
C4714
C4727
C4710
C4711
C4713
C4715
C4716
C4719
C4720
C4721
C4723
C4724
C4726
C4728
C4729
C4732
R4701
R4702
R4703
R4704
R4705
R4710
R4711
CN4701
C4701
C4702
C4717
C4718
C4742
R4706
R4707
CN4702
C4783
C4782
C4784
C4785
C4786
C4787
D4709
D4710
D4711
D4712
R4799
R4800
R4802
D4702
R4801
C4745
C4744
C4743
C4741
C4740
C4739
C4738
C4737
C4736
C4735
R4718
C4709
C4708
C4707
C4706
C4705
R4709
R4708
C4722
C4730
C4731
C4733
C4734
C4703
C4704
L4701
IC4701
IC4703
IC4705
M1MA152WK
HZU11B1
PROTECT
100
50V
2200
16V
0.22
16V
B:1608
0.01
25V
B:1608
0.33
10V
B:1608
0.0047
50V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.22
16V
B:1608
0.0047
50V
B:1608
0.01
25V
B:1608
0.0047
50V
B:1608
2.2k
1/10W
:CHIP
2.2k
1/10W
:CHIP
6.8k
1/10W
:CHIP
6.8k
1/10W
:CHIP
0
1/10W
:1608
20k
1/10W
:CHIP
20k
1/10W
:CHIP
#
TAB(CONTACT)
10
50V
10
50V
10
50V
10
50V
10
50V
5.6k
1/10W
:CHIP
18k
1/10W
:CHIP
18P
BROWN
10
50V
10
50V
10
50V
10
50V
0.1
16V
B:1608
0.1
16V
B:1608
MA111-TX
MA111-TX
MA111-TX
MA111-TX
0
1/10W
:CHIP
0
1/10W
:CHIP
0
1/10W
:CHIP
M1MA152WA
0
1/10W
:CHIP
0.01
25V
B:1608
0.0047 50V
B:1608
0.0047 50V
B:1608
2.2
50V
2.2
50V
1
50V
1000p
50V
:PT
27000p 50V
:MPS
680p
50V
:PT
0.15
50V
:MPS
0 1/10W
:1608
0.022
25V
B:1608
1000p
50V
:PT
27000p
50V
:MPS
680p
50V
:PT
0.15
50V
:MPS
22
1/10W
:CHIP
22
1/10W
:CHIP
0.1
16V
B:CHIP
4.7
50V
10
50V
10
50V
50V
10
50V
50V
10
50V
10
50V
:LAV35
47
+H
NJW1149
NJM78M12DL1A
+12V REG.
NJM79M12DL1A
-12V REG.
-12V
+12V
R-CH
L-CH
+9V
AU+17V
AU-17V
GND
SP-MUTE
SP-DC-DET
KF-42WE620/50WE620
109 
KF-42WE620/50WE620
1 
| 
2        | 
3 
| 
4 
| 
5 
| 
6 
| 
7 
| 
8 
| 
9 
| 
10 
| 
11 
| 
12 
| 
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
AU BOARD SCHEMATIC DIAGRAM (2 OF 2)
C4763
D4704
D4705
D4707
C4760
C4762
C4764
C4768
CN4703
C4769
R4723
R4729
R4744
R4746
R4752
R4753
R4756
R4757
R4758
R4760
R4762
R4768
R4728
R4759
R4763
R4766
R4829
R4828
R4827
R4750
CN4704
C4777
C4778
CN4705
CN4706
CN4707
CN4708
R4738
R4774
R4775
R4776
R4778
C4753
C4757
R4727
C4755
R4771
R4772
C4759
R4782
C4776
R4786
R4790
R4793
R4789
R4787
C4773
C4772
R4792
R4785
R4794
R4791
C4781
R4788
C4779
R4784
C4775
R4780
C4788
C4754
3.3
+H
R4773
R4779
C4749
C4756
R4735
R4783
R4795
R4796
C4767
C4766
R4764
R4765
R4777
R4781
C4774
C4780
R4722
R4748
C4770
C4771
R4761
R4747
R4736
R4737
R4732
R4733
C4751
R4721
C4750
R4734
C4752
R4755
R4754
R4751
R4740
R4739
R4749
R4725
IC4704
IC4702
Q4710
Q4712
Q4713
Q4702
Q4711
Q4701
Q4703
Q4708
Q4706
Q4704
Q4707
Q4709
Q4705
220
25V
:BP
MA111-TX
SPEED UP
MA111-TX
DC-DET
MA111-TX
MUTE
10
50V
3.3
50V
10
50V
100
50V
4P
RED-L
:S-MICRO
0.1
50V
B:2012
0
1/10W
:1608
47k
1/10W
:CHIP
47k
1/10W
:CHIP
47k
1/10W
:CHIP
100k
1/10W
:CHIP
10k
1/10W
:CHIP
47k
1/10W
:CHIP
47k
1/10W
:CHIP
12k
1/10W
:CHIP
1k
1/10W
:CHIP
47k
1/10W
:CHIP
0
1/10W
:1608
2.7k
1/10W
:CHIP
100
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
0
1/10W
:1608
0
1/10W
:1608
0
1/10W
:1608
1.2k
1/10W
:RN-CP
1P
#
F:1608
#
F:1608
#
1P
1P
1P
100k
1/10W
:CHIP
0
1/10W
:1608
1.2k
1/10W
:CHIP
47k
1/10W
:CHIP
5.6k
1/10W
:CHIP
4.7
50V
0.033
50V
:MPS
100k
1/10W
:CHIP
0.033
50V
:MPS
47k
1/10W
:CHIP
5.6k
1/10W
:CHIP
10p
0
1/10W
:1608
47p
4.7k
1/10W
:CHIP
47k
1/10E
:CHIP
3.3k
1/10W
:CHIP
47k
1/10W
:CHIP
100k
1/10W
:CHIP
47
50V
0.1
16V
B:1608
47k
1/10W
:CHIP
4.7k
1/10W
:CHIP
3.3k
1/10W
:CHIP
47k
1/10W
:CHIP
0.047
50V
:MPS
100k
1/10W
:CHIP
47p
0
1/10W
:1608
47p
180k
1/10W
:CHIP
10p
390
1/10W
:1608
390
1/10W
:1608
0.033
50V
:MPS
0.15
50V
:MPS
0
1/10W
:CHIP
3.3k
1/10W
:CHIP
0
1/10W
:CHIP
0
1/10W
:CHIP
0.1
50V
:MPS
0.1
50V
:MPS
10
1W
:RS
10
1W
:RS
180k
1/10W
:CHIP
3.3k
1/10W
:CHIP
47p
0.047
50V
:MPS
0
1/10W
:1608
1k
1/10W
:CHIP
100
50V
0.1
50V
B:2012
1k
1/10W
:CHIP
1.2k
1/10W
:RN-CP
1.2k
1/10W
:CHIP
10k
1/10W
:CHIP
10k
1/10W
:CHIP
2.7k
1/10W
:CHIP
0.033
50V
:MPS
0
1/10W
:CHIP
4.7
50V
0
1/10W
:1608
0.15
50V
:MPS
0
1/10W
:1608
15k
1/10W
:CHIP
36k
1/10W
:RN-CP
2.2k
1/10W
:CHIP
2.2k
1/10W
:CHIP
36k
1/10W
:PN-CP
22k
1/10W
:CHIP
TDA7265
AUDIO-AMP
NJM4558V-TE2
FILTER-W
2SC4081
LPF
2SC4081
BUFF
2SC4081
BUFF
2PD601AR
MUTE
2SC4801
LPF
2PD601AR
MUTE
2PD601AR
MUTE
2PB709AR
DC-DET
2PD601AR
DC-DET
2PB709AR
MUTE
2PD601AR
DC-DET
2PD601AR
MUTE
DTC143EKA
MUTE
-12V
+12V
L-CH
R-CH
+9V
SP-MUTE
SP-DC-DET
AU-17V
GND
AU+17V
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