Sanyo CT21KS2 - Page 4

Chassis Block Diagrams
-4-
System Control
IC 001
AUDIO AMP.
RC. PRE AMP.
LED
STB
IC201
SOUND MUTE
(MUTE=H)
RC SIGNAL IN
(ACTIVE=HIGH)
ON-OFF
(POWER ON=High)
KEY SWITCH
TUNER
IC 1201
AUDIO SWITCH
CONTROL
CRT
UNIT
OSD R-OUT(Active=High)
OSD G-OUT(Active=High)
OSD B-OUT(Active=High)
IC 801
MEMORY
POWER
CIRCUIT
POWER PROTECT IN
(POWER ERROR=LOW)
IIC SCL
IIC SDA
KEY SWITCH IN
32
36
28
76
50
37
34
35
30
31
45
46
47
29
5V-IF
5V-DEF
8V
11V
11V
11V
Q205
Q206
Q203
POWER REGULATOR OUT
IIC SCL IIC SDA
26
40
27
SW-1
SW-2
A-SW MUTE
5 VRC
Q202
11V
56
QXXAAJQ0897--
QXXAVD032---M
QXXAAJQ0899--
QXXAVD034---M
SM_21-BE4B (FC8-A) IDN 6/24/08 10:53 AM Page 4