Hitachi 61HDX98B Manual page 40

DP-85 Series Chassis AUDIO and VIDEO MUTE Circuit
A5V
RO52
I001
D009
56
V MUTE
RO51
Micro
Processor
9V
Q022
RO10
10
MUTE
R145
Also see Mute Circuit Diagram (Surround and Audio Output PWB)
A12V
R096
D010
R097
R095
R098
R094
RO92
Q008
RO93
PSD2
D008
6
"SPOT"
RO70
Horizontal & Vertical
Sweep Loss Det.
AC Loss Det.
(From Deflection PWB)
Mute 2
Signal PWB
D011
C012
Q009
Q010
R099
V. Mute
V Mute 2
2H Video PWB
From QZ13 and IZ07
HVBlk
PSZ2
Spot
RY04
V Mute
14 25
DX05
PZC
7
PZC
CRT PWBs
7 Spot
Grounds Bias to Q8A3,
Q853 & Q803
PSU1
16 V Mute 2
Surround PWB
Mute
15
Mute 2
Rainforest
IX01
FBP
In