26
28
7
COLOUR SYSTEM OPTION
KEY SWITCH IN
KEY
SWITCH
TV/AV SWITCH OUT
(TV=LOW, AV1/AV2/AV3=HIGH)
SCL (To BUS IC)
34
32
15
29
SDA (To BUS IC)
POWER ON/OFF
PHOTO
COUPLE
(ON=HIGH, OFF=LOW)
IC801
CPU
QXXAVB681
39
42
41
40
1
2
24
3133
20
19
6
23
11
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
8MHz
CPU OSC OUT
CPU OSC IN
LED
ON-TIMER LED OUT (ON=LOW)
RC SIGNAL IN
(ACTIVE=LOW)
RC PRE-AMP.
10
9
38
IC001
AUDIO AMP.
VIF-M OUT
NTSC3.58=HIGH, OTHER=LOW
SIF 4.5MHz
SIF 6.5MHz
SIF 5.5MHz
M (4.5MHz)=HIGH ✽Not used
D/K (6.5MHz)=HIGH ✽Not used
B/G (5.5MHz)=HIGH ✽Not used
17
SOUND MUTE OUT (MUTE ON=HIGH)
IC301
QTC9090ANM
COMB FILTER
VIDEO SW
AFT IN
30
IC201
QXXAVB488M
VIDEO / CHROMA
IC1001
QMM1313BD
AV SELECTOR
A101
TUNER
IC1920
UPC1857ACT
AUDIO CONTROL
IC3401
BBE
5
BBE CONTROL
(OFF=HIGH, MID=Mid., HIGH=LOW))
IC302
VIDEO SW
12
Y/C, COMP. SW
(Y/C=LOW, COMP.=HIGH)
IC3501
Q-SOUND
13
3D SURROUND ON/OFF (ON=HIGH)
14
3D STEREO ON/OFF (ON=HIGH)
3
4
2
10
6
56
20
21
19
20
SCL
SDA
8
9
14
10
SCL
SDA
IC2001
STV5348
TELETEXT
17
16
To Next Page
Loading...
