Sony TRINITRON KV-20FA210 Service Manual page 34

A BOARD TRANSISTOR VOLTAGE LIST
B C
Q002 0.0 2.0
Q004 3.8 9.0
Q005 5.1 0.8
Q006 0.0 0.0
Q008 0.0 2.6
Q009 0.0 5.2
Q300 1.8 9.0
Q301 3.6 2.1
Q303 3.6 GND
Q304 3.6 GND
Q305 3.6 GND
Q306 5.5 GND
Q390 0.8 1.5
Q391 0.6 3.3
Q400 0.0 0.1
Q401 0.0 0.1
D G
Q600 157.8 0.0
Q601 -4.4 4.6
A BOARD WAVEFORMS
1
2.1 Vp-p (H)
5
1.0 Vp-p (H)
9
168.8 Vp-p (H)
13
50.3 Vp-p (V)
E B
GND Q411 0.0
4.4 Q412 0.1
5.0 Q435 0.0
GND Q501 0.0
GND Q502 0.0
GND Q505 0.0
Q506
0
2.4
3.6 Q521 0.0
2.8 Q522 0.1
2.9 Q572 0.0
3.0 Q573 2.6
4.9 Q578 0.0
1.9 Q590 133.7
1.5 Q604 30.6
GND Q608 0.0
GND Q650 5.8
All voltages are in V.
S
-4.4
0.0
2
3.2 Vp-p (H)
6
1.0 Vp-p (V)
10 11
28.7 Vp-p (H)
14 15
0.7 Vp-p (H)
— 34 —
C E
5.8 GND
0.1 GND
GND 5.8
14.3 GND
74.1 GND
131.8 0.0
131.8 0
3.8 GND
-2.1 0.0
2.6 GND
0.0 2.6
0.5 GND
0.0 134.2
11.6 30.2
6.7 GND
9.0 5.0
3 4
1.2 Vp-p (H)
7 8
4.7 Vp-p (H)
12
1.14K Vp-p (V)
16
196.9 Vp-p (H)
0.9 Vp-p (H)
2.4 Vp-p (H)
1.0 Vp-p (H)
1.9 Vp-p (V)
KV-21FA210