Sony KV-HW21P50 Service Manual page 40

A BOARD VOLTAGE LIST AND WAVEFORM
Ref Pin No. Voltage[v]
Q809 B *
C *
E 0
Q814 B 0
C 4.9
E 0.1
Q900 B 1.3
C 0
E 2
Q901 B –0.1
C 0
E 0
Q902 B –0.1
C 0
E 0
Q911 B *
C 8.9
E *
Q8009 B 197
C 198.3
E 198.5
C BOARD VOLTAGE LIST AND WAVEFORM
Ref Pin No. Voltage[v]
IC751 1 1.7
1
1.660V
2 1.7
2
1.800V
3 1.8
3
1.840V
Ref Pin No. Voltage[v]
Q8010 B 0.5
C 0
E 0
DY800
12
1.320V
Ref Pin No. Voltage[v]
4 0
5 4.6
6 197.6
7 (138.6)[144.4]
4 PAL
128.0V
4 NTSC
126.0V
8 (145.1)[149.1]
5
110.0V
– 47 –
Ref Pin No. Voltage[v]
9 (146.5)[134.1]
6
102.0V
J751 4 (0)
5 (0)
6 (0)
7 (0)
8 (151)[145]
9 (149)[147]
10 (141.5)[139.5]
Q701 B (4.7)[4.6]
C 0
E 0
KV-HW21P50
RM-W101