Read Sony KV-HG21M80 Service Manual online
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KV-HG21M80/M88
RM-GA002
A BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
Q805
B
-0.1
C
137.1
174.0Vp-p
PAL
15
172.0Vp-p
NTSC
15
E
0
Q806
B
5.9
C
8.8
E
5.6
Q807
B
5.9
C
0
E
5.6
C BOARD VOLTAGE LIST AND WAVEFORMS
Ref
Pin No.
Voltage[v]
Ref
Pin No.
Voltage[v]
IC751
1
1.9
2.400Vp-p
PAL
1
2.160Vp-p
NTSC
1
2
1.8
1.680Vp-p
PAL
2
1.360Vp-p
NTSC
2
3
1.7
1.760Vp-p
PAL
3
2.200Vp-p
NTSC
3
4
0
5
4.5
6
198.3
7
(145.3)[142.5]
124.0Vp-p
PAL
4
140.0Vp-p
NTSC
4
Ref
Pin No.
Voltage[v]
8
(139.2)[137.8]
110.0Vp-p
PAL
5
104.0Vp-p
NTSC
5
9
(129.6)[128.3]
164.0Vp-p
PAL
6
160.0Vp-p
NTSC
6
J752
KR
(145.7)[143.1]
KG
(139.8)[138.4]
KB
(130.8)[129.1]
H1
0
H2
0
Q808
S
0
G
5.6
9.400Vp-p
16
D
(11.0) [12.8]
Q814
B
0
C
4.9
E
0.1
Q900
B
1.3
C
0
E
1.9
Q901
B
-0.1
C
(0.4) [0.1]
E
0
Q902
B
0
C
0.1
E
0
Q8009
B
(198.5)[198.1]
C
(199.1)[198.7]
E
(199.2)[198.8]
Q8010
B
0.5
C
0.1
E
0
DY800
V-
1.460Vp-p
17
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