Sony VPH-G90U Service Manual page 490

EBQ BOARD
1
2
3
4
5
A B
EBQ EBQ
EBQ
-A SIDE-
SUFFIX: -11
10-128
C D
10-128
E F
EBQ BOARD WAVEFORMS
1 7
2.0 V p-p (V) 0.8 V p-p (V)
2 8
1.8 V p-p (V) 0.9 V p-p (V)
3 9
1.2 V p-p (V) 1.4 V p-p (V)
4 !/
28.2 V p-p (V) 10.1 V p-p (V)
5 !-
26.3 V p-p (V) 10.6 V p-p (V)
6 !=
16.7 V p-p (V) 15.7 V p-p (V)
EBQ
-B SIDE-
SUFFIX: -11
VPH-G90J/G90E/G90U/G90M
G H