Hitachi 46W500 Training page 56

DP-3X MAIN / SUB AUDIO SELECT CIRCUIT DIAGRAM
TV Main R
27
U301
Main Tuner
26
TV Main L
Mono
U302
27
Sub Tuner
I301
C099
Hi
1
Y
C098
2
Lo
Hi
13
Q050
X
12
Lo
C086
16
HVcc 9.3V
I001
MICRO
Q033
TVAUDSEL
72
PST2
TV R
15 47
TV L
14 48
10
11
Pins 10 and 11 High = Main Tuner.
Pins 10 and 11 Low = Sub (PinP) Tuner.
64
IV01
A/V Select
62