Sony KV-BZ14M70 Service Manual ▷ View online
KV-BZ14M70
RM-GA002
KV-BZ14M70
RM-GA002
– 42 –
– 43 –
4-3-6. A Board — Jack (Block 006)
XX
CHIP
XX
CHIP
C914
C915
XX
C912
XX
C909
XX
C908
25V
XX
C904
D902
XX
D903
XX
D904
XX
XX
D908
D909
XX
12
D910
XX
1
2
3
4
Terminal
TERMINAL, S
J900
XX
25V
XX
B
C905
XX
C921
D917
XX
1
C907
D907
D911
XX
D912
XX
D913
XX
5V
001:7A;003:10B;004:2C;005:2E
OUTL
001:13G
OUTR
001:13G
9V 001:6A;002:2E;002:6D;
003:10B;004:2C;005:3E
MON-MUTE-AUDIO
002:5D
S1/VC
001:6L
CVBS1/Y1
001:13F
INL1
001:13F
INR1
001:13F
CVBS3
001:13F
INL3
001:13F
INR3
001:13F
INR2
001:13F
INL2
001:13F
CVBS2/Y2
001:13F
SCARTFBL/A16
001:13D
C1
001:13F
MON-OUT
001:13F
SCARTHPL
001:13E;002:1A
SCARTHPR
001:13E
CVBSO
001:13E
D1_JP/MODE2_EU/MONSW-MONO
001:7A
D1_JP/MODE1_EU
001:7L
MONO_OUTL
001:13G;005:6D
16V
0.1
B
C953
Q912
UN2211
AMP GAIN ADJUST
P18
P18
P16
P16
P15
P15
P14
P14
P12
P12
P11
P11
P10
P10
P7
P7
P9
P3
P3
P1 P1
P11
P10
P7
P9
P5
P3
P3
P5
P1
P5
P12
P9
P9
P9
P5
P5
P5
P3
P5
P3
P5
P1
P16
P15
P14
P16
P15
1
2
3
4
4P
CN903
XX
GND
B INT
B DAT
B CLK
B_INT
001:1F
B_DAT
001:1F
B_CLK
001:1E
F1
F1
F2
F2
F3
F3
F4
F4
F3
L
R
V
J903
CH
C917
470p
16V
1
F
C918
V
J909
XX
F2
J908
2P
1
2
3
J905
1
2
3
6
7
4
5
8
9
10
11
12
13
J904
1
2
3
J901
1
2
3
6
7
4
5
8
9
10
11
12
13
14
15
16
17
18
18
35V
47
C955
5
JW1900
5
JW1901
P18
1
2
3
4
5
5P
CN904
AGC
GND
B INT
B DAT
B CLK
TU-AGC
005:1C
16V
100
C956
47uH
L902
1
2
3
4
5
CN905
XX
CN007
Y OUT
GND
U OUT / FB
GND
V OUT
W005
W006
W007
XX
C060
XX
C062
XX
C067
0.22
C902
W016
W017
XX
FB902
XX
FB903
IFVO
005:6D
16V
2.2
F
C900
XX
C901
16V
470
C903
16V
16V
F
C906
1
C910
C911
50V
C913
470P
XX
C916
XX
C919
XX
CHIP
C922
XX
CHIP
C925
D900
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
XX
D901
XX
D905
XX
PROTECTION
PROTECTION
D906
XX
XX
J906
3P
XX
2
1
3
5
4
J907
XX
2
1
3
5
4
UN2216
Q901
UN2216
XX
Q902
XX
B
C966
16V
2.2
F
C967
W028
XX
CH
C968
XX
CH
CH
C969
XX
CH
CH
C970
XX
CH
C971
W035
1000p
B
C975
F
5
C
2
A
D
4
A
1
H
E
E
12
G
B
D
11
8
C
10
7
H
B
F
9
6
G
3
W051
W052
XX
C977
XX
C978
W054
W057
W059
1000p
B
C979
RN-CP
100
R9023
RN-CP
XX
R928
CHIP
0
R9007
RN-CP
R9030
RN-CP
XX
R920
RN-CP
470
R9044
CHIP
0
R9008
R9059
XX
RN-CP
100
R9019
RN-CP
10k
R9047
XX
R9052
RN-CP
R922
XX
RN-CP
100
R9022
CHIP
XX
R9058
CHIP
R9060
0
RN-CP
XX
R923
XX
R9009
RN-CP
XX
R927
RN-CP
XX
R925
RN-CP
1K
R9043
RN-CP
3.3
R9042
RN-CP
100
R9028
RN-CP
1M
R9041
RN-CP
R910
RN-CP
XX
R9040
RN-CP
2.2k
R9046
CHIP
XX
R9015
XX
R9010
RN-CP
100
R9045
RN-CP
XX
R9048
RN-CP
XX
R946
CHIP
XX
R9049
RN-CP
XX
R919
RN-CP
75
R9053
CHIP
0
R9038
CHIP
CHIP
CHIP
XX
R933
RN-CP
XX
R9034
RN-CP
XX
R9016
RN-CP
100
R9020
RN-CP
100
R9036
RN-CP
470
XX
XX
470P
XX
R906
RN-CP
100
R9017
CHIP
CHIP
R9061
0
RN-CP
XX
R941
RN-CP
100
R9018
CHIP
0
R932
RN-CP
XX
R918
RN-CP
75
R917
RN-CP
100
R9021
RN-CP
470k
R914
XX
R915
RN-CP
R913
CHIP
0
R9050
CHIP
0
R9006
CHIP
XX
R990
RN-CP
XX
R926
RN-CP
R904
RN-CP
220
R911
RN-CP
39k
R905
RN-CP
XX
R908
RN-CP
XX
R9026
RN-CP
XX
R907
RN-CP
68
R931
RN-CP
XX
R930
RN-CP
220k
R940
RN-CP
XX
R944
RN-CP
XX
R921
RN-CP
100
R9025
RN-CP
XX
R929
CHIP
0
JR1903
RN-CP
1k
1k
R902
RN-CP
XX
100
R9031
RN-CP
470k
R924
RN-CP
10k
R945
RN-CP
27k
R9027
XX
JR1015
1/10W
RN-CP
RN-CP
R916
220k
CHIP
R9005
0
RN-CP
R909
XX
RN-CP
10k
R989
CHIP
0
R9051
D916
Q910
2SC1623-L5L6
Q911
2SC1623-L5L6
AUDIO MONO
BUFFER
2SA1235-F
Q900
MONITOR OUT BUFFER
RD5.6SB-T1
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
PROTECTION
D918
RD5.6SB-T1
RD5.6SB-T1
D915
PDZ3.6B-115
D931
PDZ3.6B-115
D932
C
Y
P12
P11
P10
VIDEO IN 1
R2
L2
VIDEO2
VIDEO IN 2
VIDEO IN 1
L OUT
MON OUT
V
U
Y
R(YUV)
L(YUV)
R1
L1
V1
A
(Block 006)
JACK
S IN
V
U
Y
R(YUV)
L(YUV)
R1
L1
V1
L1
V1
R1
L1
V1
R OUT
L OUT
MON OUT
L OUT
MON OUT
L
6
To A(Block002)
B-BX1S(05)12810-ME.A..(Block 006)-BZ14
9V
9V
5V
5V
5V
5V
9V
3P
XX
XX
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
– 44 –
KV-BZ14M70
RM-GA002
4-3-7. A Board — Heat Sink (007)
HS-A007
003:5E
Mount Mecha
409312201
A004
IC603
Mount Mecha
409312201
A005
IC602
Mount Mecha
409311701
*A010
IC200
XX
Mount Mecha
409358501
A002
IC606
Mount Mecha
409358401
A006
IC804
Mount Mecha
409312201
A003
IC604
Mount Mecha
409447401
A007
IC601
Mount Mecha
409500101
*A009
IC200
XX
Mount Mecha
409311801
A001
Q805
Mount Mecha
409888201
*A008
IC200
Mount Mecha
410268311
A016
Mount Mecha
410268311
A018
Mount Mecha
410268301
A012
CLP001
Mount Mecha
410268301
*A017
XX
Mount Mecha
410268301
*A019
XX
Mount Mecha
405530402
A015
D914 HOLDER
Mount Mecha
410262101
A011
IC001
A
(Block 007)
Heat Sink
B-BX1L(05)12810-ME.-A..(Block 007)-BZ14
– 45 –
KV-BZ14M70
RM-GA002
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
4-3-8. C Board Schematic Diagram
2kV
4700p
E
C752
1000p
B
C782
1
CN705
GND
1SS133T-77
1SS133T-77
D780
J751
145154411
D781
L750
XX
Q701
250V
4.7
C754
5
JW702
C759
XX
1
2
3
4
5
2
3
4
5
WHT
To A (Block 004)
CN801
5P
CN703
200V
NC
GND
H1
NC
NC
GND
H1
NC
D756
PROTECTOR
PROTECTOR
PROTECTOR
D755
HSS82-TJ
HSS82-TJ
HSS82-TJ
D754
R774
150
3W
RS
C783
1000p
B
1
CN704
1000V
1/4W
0.47
R794
1
2
3
4
5
6
7
2
3
4
5
6
7
7P
CN701
WHT
To A (Block 001)
CN004
GND
B
G
R
GND
1K
9V
9V
1000p
B
C786
500V
1000p
C787
2W
RS
R781
0.47
5
JW1781
5
JW1782
5
JW1783
250V
10
C751
250V
4.7
C781
XX
C788
XX
C790
XX
C789
1/2W
FPRD
100k
R795
XX
L781
XX
L782
XX
L783
JW1750
XX
6
5
4
TDA6108AJF/N1
RGB
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
500V B
C753
1000p
22uH
L780
R713
0
1/2W
100
R765
1/2W
1k
R757
RN-CP
680
R753
RN-CP
680
R754
1/2W
1k
R758
XX
R775
1/2W
470k
R780
XX
R777
1/2W
100
R783
R785
XX
XX
R766 XX
R767
XX
R768
XX
R784
XX
R786
XX
XX
R776
XX
R778
RN-CP
680
R752
1/2W
100
R763
1/2W
1k
R756
XX
R760
1/2W
100
R764
1/2W
560k
R773
RD5.6SB-T1
CLAMP
D782
PG102R
PROTECTOR
D750
110M
RV750
3
4
5
6
7
8
9
10
11
13
1
1
GND
GND
C
(VIDEO AMP)
FV
RCV
1
2
3
B-BX1S(05)12810-ME...C-BZ14
!
1
4
3
2
5
6
8
7
9
1000V
KG
G2
CV KR G1 G4 HV
KB
PICTURE
TUBE
!
(NX-4450//M3A4)
– 46 –
KV-BZ14M70
RM-GA002
4-4.
VOLTAGE MEASUREMENT AND WAVEFORMS
A BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC001
1
0
2
0
3
1.7
4
3.2
5
(1.2)[1.4]
6
0
7
3.2
8
0
9
3.2
10
*
11
*
12
0
13
0.1
14
2.4
15
4.8
16
(1.7)[1.8]
17
(2.2)[2.1]
18
0
19
2.2
20
2.2
21
3.9
1.000Vp-p
1
22
1.2
1.840Vp-p
2
23
1.4
2.120Vp-p
3
24
(1.8)[1.9]
25
1.8
26
2.3
27
1.9
28
0
29
0.2
30
0.1
31
4.6
32
0.4
33
0
34
2.1
35
2.1
36
3.5
37
3.5
38
2.2
39
2.4
40
0
41
2.0
42
0.1
43
(1.5)[1.6]
44
(3.4)[3.2]
45
8.4
46
(1.6)[1.7]
47
4.7
48
1.3
2.520Vp-p
PAL
4
2.320Vp-p
NTSC
4
49
2.1
50
2.1
51
1.3
52
1.5
53
2.1
54
2.1
55
1.4
56
2.1
57
2.1
5.8
1.3
59
1.5
60
3.5
61
3.5
62
3.5
63
3.5
64
1.3
65
0
212.0mVp-p
PAL
5
224.0mVp-p
NTSC
5
66
0.3
5.440Vp-p
PAL
6
5.520Vp-p
NTSC
6
67
1.4
3.440Vp-p
PAL
7
3.520Vp-p
NTSC
7
68
0
69
4.8
70
1.2
71
1.2
72
1.2
73
(2.0)[1.9]
74
1.6
75
(0.1)[0]
76
0
77
0.1
78
1.3
79
1.3
80
1.3
81
0
82
(4.8)[4.9]
83
2.0
84
3.1
85
1.3
1.660Vp-p
PAL
8
2.040Vp-p
NTSC
8
86
1.3
1.480Vp-p
9
87
(1.2)[1.3]
1.660Vp-p
PAL
10
1.720Vp-p
NTSC
10
88
(2.8)[3.2]
89
0
90
3.2
91
1.6
92
0
93
1.8
94
3.2
95
0
96
1.8
97
2.9
98
(0.8)[0.6]
99
3.2
100
1.7
101
0
102
3.2
103
0
104
2.4
105
2.5
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