C Board - Sony TRINITRON KV-42DRC700 Service Manual

C BOARD SCHEMATIC DIAGRAM
1 | 2 | 3 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
C BOARD WAVEFORMS
1 2
2.4 Vp-p (H)
4 | 5 | 6 | 7
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
3
4
2.1 Vp-p (H) 2.0 Vp-p (H) 135.0 Vp-p (H)
| 8 | 9 | 10 |
5 6
114.1 Vp-p (H) 123.1 Vp-p (H)
— 78 —
11 | 12 |
C BOARD TRANSISTOR VOLTAGE LIST
B C
Q9001 7.5 0.0
Q9002 0.2 11.1
Q9003 2.1 12.0
Q9004 2.1 12.0
Q9005 3.2 12.0
Q9008 5.4 12.0
Q9009 4.0 GND
Q9010 3.2 GND
Q9011 4.7 GND
Q9012 5.4 10.5
Q9014 11.7 450.0
All voltages are in V.
C BOARD IC VOLTAGE LIST
IC9001
PIN VOLT
1 3.5
2 12.0
3 3.5
4 GND
5 8.7
6 198.5
7 17.9
8 150.0
9 118.2
KV-42DRC700
E
3.6
GND
4.0
3.2
2.1
4.8
4.6
4.0
3.9
4.8
11.1
IC9002 IC9003
PIN VOLT PIN VOLT
1 3.5 1 3.5
2 12.0 2 12.0
3 3.5 3 3.5
4 GND 4 GND
5 8.6 5 7.8
6 198.5 6 198.5
7 115.0 7 147.0
8 154.0 8 150.0
9 114.0 9 115.0
All voltages are in V.