Sony TRINITRON KV-27V42 Service Manual page 28

KV-27V42/27V66/29SL42K/29SL42T/29VL42T/29XL42T
[CRT DRIVE, R.G.B. DRIVE, VELOCITY MODULATION]
(KV-27V42/27V66/29VL42T ONLY)
CV BOARD TRANSISTOR CV BOARD IC
VOLTAGE LIST VOLTAGE LIST
B C E
IC1701
Q943 4.5 8.9 3.7 pin
Q944 2.1 8.9 1.5
1
Q945 2.1 6.0 1.5 2
Q946 133.2 67.1 134.7 3
Q947 0.9 67.1 0.3
4
Q965 6.5 8.9 6.2 5
Q966 6.0 0.0 6.2 6
7
All voltages are in V
8
9
All voltages are in V
SCHEMATIC DIAGRAMS
E C Boards CV Board
CV board.p65 1
CV BOARD WAVEFORMS
1 2 3
179.7 Vp-p (H) 156.3 Vp-p (H)
CV BOARD SCHEMATIC DIAGRAM
1 2
A
B
C
volt
2.3
2.3
D
2.3
GND
3.7
203.6
129.0
126.0
127.0
D
— 41 —
167.2 Vp-p (H)
3 4 5 6
4/22/99, 3:16 PM
7 8 9 10
— 42 —
11