Sony KV-21FA210 TRINITRON Service Manual page 40

CV BOARD WAVEFORMS
1
1.3V p-p (H)
4
145.3V p-p (H)
CV
[RGB DRIVE, CRT DRIVE, VELOCITY MODULATION]
1
A
B
C
D
E
CV BOARD TRANSISTOR VOLTAGE LIST
B
Q761 2.2
Q762
3.1
Q763 2.0
Q771 2.2
Q772 3.2
Q773 2.0
Q781 2.2
Q782 3.3
2
1.2V p-p (H)
5
117.0V p-p (H)
2 3
C E
3.8 2.9 Q783
Q901
9.0 3.8
9.0 2.6 Q902 134.0
3.8 2.9 Q903
9.0 3.8 Q904
9.0 2.6 Q905
3.9 2.9 Q906
9.0 3.9 Q1772
3
1.0V p-p (H)
6
120.3V p-p (H)
4
B C E
2.1 9.0 2.7
0.9 67.0 0.4
67.0 134.0
1.8 5.4 2.4
1.8 9.0 2.4
5.7 GND 5.4
5.7 9.0 6.1
0.0 0.0 0.0
All voltages are in V.
— 40 —
CV BOARD IC
5
VOLTAGE TABLE
IC1707
PIN
1
2
3
4
5
6
7
8
IC1751
PIN
1
2
3
4
5
6
7
8
9
All voltages are in V.
KV-21FA210
VOLT
1.8
2.8
4.4
GND
4.8
4.8
4.8
9.0
VOLT
2.0
2.0
2.4
GND
3.7
200.0
136.0
142.0
140.0