Chassis Block Diagrams
-4-
SYSTEM CONTROL
12
KEY SWITCH IN
KEY
SWITCH
BUS SCL
2
1
31
9
BUS SDA
POWER ON/OFF
PHOTO COUPLE
(ON=HIGH, OFF=LOW)
IC201
IF/VIDEO / CHROMA
IC801
CPU
QXXAVB602
22
19
20
21
18
17
27
3
4
7
6
32
28
ADJUSTMENT DATA IN
OSD BLK OUT
OSD RED OUT
OSD GREEN OUT
OSD BLUE OUT
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
32.768KHZ
CPU OSC OUT
CPU OSC IN
LED
ON-TIMER LED OUT (ON=LOW)
RC SIGNAL IN
(ACTIVE=LOW)
RC PRE-AMP.
30
VOLUME OUT
IC001
AUDIO AMP.
A101
TUNER
RESET IN (RESET=LOW)
13
X'TAL-SW1(PAL-M) ON=HIGH
33
X'TAL-SW2(PAL-N) ON=HIGH
34
15
VIDEO SIGNAL IN
11
OPTION IN
5
10
AFT S-CURVE IN
