Sony KV-21FA210 TRINITRON - Page 40

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KV-21FA210
32
CV BOARD WAVEFORMS
1
1.3V p-p (H)
1.2V p-p (H) 1.0V p-p (H)
145.3V p-p (H)
4
117.0V p-p (H)
5
120.3V p-p (H)
6
CV
[RGB DRIVE, CRT DRIVE, VELOCITY MODULATION]
R 9 1 0
R 9 0 9
Q 9 0
2
R V 1 7 0 1
L 1 7 5 1
R
V 1 7 5 0
I C 1 7 0 7
I C 1 7 5 1
C N 1 7 5 3
C N 1
7 5 5
C
N 1 7 5 1
R 1 7 6 1
R
1 7
6 2
C 1 7 7 4
C
1 7 7 8
C 9 1 1
C 1 7 7 5
C 9 1 2
C 1 7 5 5
C 9 0 1
C 9 0
3
C 9 0 8
C
1 7 5 3
C
9 0 4
C
9 0 6
C 9 1 0
C 9 0 9
D 1 7 5
4
D 1 7
5 5
D 1 7
5 6
D 9 0
1
D 9 0
2
R 1 7 8
8
R 9 0 6
R 9 2 3
R 1 7 5 8
R
1 7 5 7
R 1 7
5 6
R
1 7 7 0
R 1 7 6 0
R 9 0 2
R 9
0 1
R
9 0 3
R 9 0
5
L
9 0
1
R 1 7 6 7
Q 7 7 1
Q 1 7 7 1
Q 9 0 3
Q 9 0 6
Q 9 0 5
C
N 9 0 3
C N
1 7 5 2
Q
7 9
1
C N 1
7 0 7
R 9 2 2
R 7 9 4
Q 7
6 1
R 7 9 3
R 1 7 7 9
C 1
7 5 0
B
E
1
3
1 2
9
8
1 1
6
7
1
0
1 3
5
4
G 1
G 1
G 1
K R
K B
H 2
G 2
H 1
K
G
G R O U N D
G A P
S P A R K
1
6
1 3
J L 1
1
9
B A 6
H E
A T E R
T P 7 0 1
J L
7
0
0
N / S
N
/ S + N / S -
1
9
1 - 6 8 4 - 4 4 8 - 2 1
1 7
2 1 0 9 3 2
1
1
A
B
C
D
2 3 4 5
E
CV BOARD IC
VOLTAGE TABLE
PIN VOLT
1 1.8
2 2.8
3 4.4
4 GND
5 4.8
6 4.8
7 4.8
8 9.0
PIN VOLT
1 2.0
2 2.0
3 2.4
4 GND
5 3.7
6 200.0
7 136.0
8 142.0
9 140.0
IC1707
IC1751
All voltages are in V.
CV BOARD TRANSISTOR VOLTAGE LIST
B C E B C E
Q761 2.2 3.8 2.9 Q783 2.1 9.0 2.7
Q762 3.1 9.0 3.8 Q901 0.9 67.0 0.4
Q763 2.0 9.0 2.6 Q902 134.0 67.0 134.0
Q771 2.2 3.8 2.9 Q903 1.8 5.4 2.4
Q772 3.2 9.0 3.8 Q904 1.8 9.0 2.4
Q773 2.0 9.0 2.6 Q905 5.7 GND 5.4
Q781 2.2 3.9 2.9 Q906 5.7 9.0 6.1
Q782 3.3 9.0 3.9 Q1772 0.0 0.0 0.0
All voltages are in V.