IC Block Diagrams
-4-
11
12
COLOUR SYSTEM OPTION INPUT
KEY SWITCH IN
KEY
SWITCH
SCL
2
1
106
SDA
POWER ON/OFF
PHOTO COUPLE
(ON=HIGH, OFF=LOW)
IC201
QXXAVC534M
18
17
127
99
98
7
6
112
99
26
33
DEFLECTION
CIRCUIT
HORIZ. SYNC IN (ACTIVE=LOW)
VERT. SYNC IN (ACTIVE=LOW)
POWER PROTECT IN
(POWER ERROR=LOW)
POWER CIRCUIT
etc.
SCL
SDA
IC802
MEMORY
OSC
X801
32.768KHz
CPU OSC OUT
CPU OSC IN
LED
ON-TIMER LED OUT
(ON TIMER ON=Low)
RC SIGNAL IN
(ACTIVE=HIGH)
RC PRE-AMP.
9
122
SOUND MUTE
IC001
AUDIO AMP.
VIF-M OUTPUT (HIGH=NTSC, LOW=OTHER)
A101
F/S TUNER
RESET INPUT (RESET=LOW)
13
VIDEO SELECTOR
(LOW=AV1, H=AV2)
5
6
SECAM KILLER INPUT (HIGH=SECAM)
IC1201
VIDEO SELECTOR
2
16
BILINGUAL OUTPUT (LOW=S-1, HIGH=S-2)
IC3701
AUDIO CONTROL/
SURROUND
10
13 14
5
4
System Control
QXXAVC534C7JAS
SM_29-C8ZH (RUS) 5/15/06 12:05 PM Page 4