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B
C
E
Q001
5 . 2
0 . 7
5 . 0
Q002
0 . 7
0 . 3
0
Q202
0 . 0 2
0 . 7
GND
Q203
1 . 8
GND
0 . 7
Q204
0
0 . 7
GND
Q205
4 . 6
GND
5 . 2
Q300
0 . 4
2 . 7
GND
Q301
3 . 7
2 . 3
3 . 8
Q302
3 . 7
GND
3 . 8
Q305
3 . 8
GND
4 . 4
Q390
4 . 6
9 . 0
3 . 9
Q391
4 . 5
9 . 0
3 . 8
Q392
1 . 8
GND
2 . 5
Q393
1 . 7
GND
2 . 4
Q394
1 . 9
GND
2 . 5
Q501
-0.7
4 7 . 0
GND
Q502
0
1 0 9
GND
Q571
1 1 2 . 5
6 . 5
1 1 3 . 1
Q601
0
0
GND
Q602
1 . 0
3 . 7
0 . 4
Q604
0 . 1
2 . 7
GND
Q605
9 . 7
9 . 8
9 . 0
Q608
3 1 . 7
3 2 . 4
3 1 . 5
Q650
5 . 7
9 . 0
5 . 1
Q670
0 . 7
0 . 3
0
All voltages are in V
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
D
G
S
Q607
1 1 5 . 2 3 2 . 5
3 1 . 5
All voltages are in V
— 35 —
— 36 —
— 37 —
— 38 —
A BOARD SCHEMATIC DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
KV-21XE42C
A BOARD IC VOLTAGE LIST
A BOARD WAVEFORMS
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
16
17
18
19
20
J
K
L
M
N
O
A BOARD TRANSISTOR
VOLTAGE LIST
VOLTAGE LIST
IC001 IC002
7
2 . 0
1 0
6 . 0
pin volt pin volt 8 5 . 0 1 1 6 . 0
1 0 . 4 1 GND 9 5 . 2 1 2
GND
2 4 . 9
2 5 . 0 1 0 GND 1 3 6 . 0
3 0 . 6 0 3 4 . 9 1 1
3 . 8
IC521
4 3 . 0
4 1 2 . 0 1 2 2 . 5 pin volt
5 0 . 0
5 5 . 0 1 3 3 . 6 1 1 2 . 5
6 0 . 3 6 GND 1 4 3 . 5 2 0 . 9
7 NC 7
7 NC 7
N / A
1 5
5 . 9 3 1 . 0
8 NC 8 0 1 6
7 . 7 4
GND
9
NC IC003 1 7
0 . 7
5
8 . 7
1 0 0 . 1 pin volt 1 8 3 . 5 6 9 . 7
1 1 0 . 1 1 GND 1 9 2 . 9 7 1 . 3
1 2 5 . 0 2 GND 2 0 2 . 7 8 1 3 . 0
1 3 0 3 GND 2 1
1 1 0 . 1 1 GND 1 9 2 . 9 7 1 . 3
1 2 5 . 0 2 GND 2 0 2 . 7 8 1 3 . 0
1 3 0 3 GND 2 1
2 . 2 IC541
1 4 5 . 0 4 GND 2 2 1 . 9 pin volt
1 5 NC 5 4 . 8 2 3 1 . 7 1 2 . 4
1 6 0 . 0 6 4 . 8 2 4 1 . 8 2 1 3 . 0
1 7 -0.3 7 GND 2 5 0 . 1 3 -11.3
1 8 5 . 0 8 5 . 0 2 6 4 . 0 4 - 1 3
1 9
1 5 NC 5 4 . 8 2 3 1 . 7 1 2 . 4
1 6 0 . 0 6 4 . 8 2 4 1 . 8 2 1 3 . 0
1 7 -0.3 7 GND 2 5 0 . 1 3 -11.3
1 8 5 . 0 8 5 . 0 2 6 4 . 0 4 - 1 3
1 9
5 . 0 IC004 2 7
4 . 0 2
5
0 . 3
2 0 2 . 0 pin volt 2 8 4 . 0 6 1 3 . 7
2 1 0 1 3 . 3 2 9 0 7 2 . 4
2 2 2 . 2 2 5 . 0 3 0 4 . 6
2 1 0 1 3 . 3 2 9 0 7 2 . 4
2 2 2 . 2 2 5 . 0 3 0 4 . 6
IC601
2 3 0 3 0 3 1
4 . 6 pin
volt
2 4
2 . 4 IC200 3 2
4 . 6
1
1 . 7
2 5 2 . 4 pin volt 3 3 9 . 0 2 0 . 1
2 6 GND 1 5 . 9 3 4 4 . 8 3 1 5 4 . 6
2 7 5 . 0 2 0 . 3 3 5 4 . 8 4 1 8 . 0
2 8 NC 3 6 . 1 3 6 0
2 6 GND 1 5 . 9 3 4 4 . 8 3 1 5 4 . 6
2 7 5 . 0 2 0 . 3 3 5 4 . 8 4 1 8 . 0
2 8 NC 3 6 . 1 3 6 0
5 GND
2 9 NC 4 0 . 3 3 7 4 . 0
IC
602
3 0 5 . 0 5 6 . 1 3 8 4 . 7 pin volt
3 1 5 . 1 6 9 . 0 3 9 4 . 7 1 2 . 5
3 2 NC 7 5 . 2 4 0
GND 2 GND
3 3 5 . 0 8 GND 4 1 5 . 2 3 9 . 5
3 4
3 4
2 . 6 IC201 4 2
7 . 4 TU101
3 5 NC pin volt 4 3 5 . 2 pin volt
3 6 4 . 8 1 6 . 0 4 4 9 . 0 1 9 . 0
3 7 4 . 8 2 0 . 3 4 5 5 . 3 2 3 0
3 8 4 . 8 3 6 . 1 4 6 0
3 6 4 . 8 1 6 . 0 4 4 9 . 0 1 9 . 0
3 7 4 . 8 2 0 . 3 4 5 5 . 3 2 3 0
3 8 4 . 8 3 6 . 1 4 6 0
3 5 . 1
3 9 4 . 8 4 0 . 3 4 7 2 . 5 4 4 . 9
4 0 NC 5 6 . 1 4 8 0
4 0 NC 5 6 . 1 4 8 0
5 4 . 8
4 1 0 6 9 . 0
IC401
6 0
4 2 0 . 1 7 5 . 2 pin volt 7 7 . 3
4 3 5 . 0 8 GND 1 0 . 8 8 1 . 6
4 4 0 . 1
4 3 5 . 0 8 GND 1 0 . 8 8 1 . 6
4 4 0 . 1
IC301
2 NC 9 9 . 0
4 5 4 . 9 pin volt 3 2 . 4 1 0 3 . 6
4 6 NC 1 3 . 5 0 4 1 2 . 6 1 1 0
4 8 NC 2 5 . 2 5 2 . 4 1 7 4 . 6
4 9 0
4 6 NC 1 3 . 5 0 4 1 2 . 6 1 1 0
4 8 NC 2 5 . 2 5 2 . 4 1 7 4 . 6
4 9 0
3 1 . 4 6 GND 1 8 4 . 4
5 0 0
4 5 . 2 7 0 . 8 1 9 5 . 0
5 1 0
5 5 . 0 8 6 . 0 2 0 0 . 4
5 2 0
6 4 . 5 9 GND 2 1 0
2 2 0 . 3
2 3 0
2 4 0
2 5 0
2 6 4 . 5
2 7 4 . 5
2 3 0
2 4 0
2 5 0
2 6 4 . 5
2 7 4 . 5
All voltages are in V
4.9 Vp-p (H)
17
18
19
20
9
10
11
12
4.2 Vp-p (H)
1.0 Vp-p (H)
3.6 Vp-p (8mhZ)
2.0 Vp-p (H)
8.6 Vp-p (V)
1.4 Vp-p (V)
1.4 Vp-p (V)
4.5 Vp-p (V)
3.0 Vp-p (H)
2.7 Vp-p (H)
3.4 Vp-p (H)
2.8 Vp-p (H)
1.05 KVp-p (H)
25.0 Vp-p (H)
91.3 Vp-p (H)
29.4 Vp-p (V)
6.1 Vp-p (V)
30.3 Vp-p (V)
53.4 Vp-p (V)
1
2
3
4
5
6
7
8
21
71.5 Vp-p (H)
TV IN
13
14
15
16
870 A Schematic.p65
6/10/99, 5:19 PM
1
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