-3-
Chassis Block Diagrams
140V
25V
24V
13V
12V
9V
5V
36V
FBT
TUNER
HORIZ.
DEF
.
VER
T
. DEF
.
MAIN SOUND AMP
.
SURR
OUND
. A
V
SW
A
UDIO CTL / 1 CHIP IC
CPU / EEPR
OM
PO
WER SUPPL
Y CIRCUIT
A101
TUNER
SA
W
FIL
TER
X161A
IF IN
5/6
IC201
IF/VIDEO/CHR
OMA
SELECTED VIDEO
OUT
EXT
. VIDEO
IN
19
20
21
R-OUT
B-OUT
G-OUT
IC281
SECAM
6
7
R-Y OUT
B-Y OUT
35
34
IC501
VER
T
. /DEF
.
23
27
VER
T
. OUT
HORIZ.
OUT
1
5
IC801
CPU
T471
FBT
HEA
TER
PCC
CIRCUIT
Q461-Q462
Q431
H-DRIVE
Q432
H-OUT
HV
L902
DY
CR
T UNIT
CR
T
T431
H-DRIVE
TRANS
.
HV
FOCUS
SCREEN
IC701
TRIPLE VIDEO
OUTPUT AMP
.
R
B
G
1
2
3
9
8
7
R
B
G
D1910
LED
A1901A
RC RECEIVER
FR
ONT CONTR
OL
KEYS
SW1901 - SW1906
IC802
EEPR
OM
4
3
6
5
SDA
SCL
32
12
28
ON-TIMER
RC-IN
KEY -IN
40
REAR
A
V
TERMINAL
FR
ONT
A
V
TERMINAL
VIDEO MONIT
OR OUT
A
UDIO MONIT
OR OUT(LEFT)
A
UDIO MONIT
OR OUT(RIGHT)
46
44
Q182
VIDEO OUT
INT
. VIDEO
IN
42
IC1201
VIDEO SW
4
EXT
. VIDEO
AV
1
AV
2
VIDEO IN
A
UDIO IN (LEFT)
A
UDIO IN (RIGHT)
VIDEO IN
A
UDIO IN (LEFT)
A
UDIO IN (RIGHT)
AV
2
AV
1
2
7
SP901
SP902
IC001
A
UDIO AMP
.
7
12
4
2
IC3701
A
UDIO CONTR
OL /
SURR
OUND
23
8
R
L
IC1301
A
UDIO SW
2
FM OUT
(TV OUT)
L-OUT
R-OUT
2
15
11
13
2/5
1/3
L/R,
L/L,R/R SW
3
15
13
0
4
4
AV
2
AV
2
AV
1
AV
1
1 /5
12/14
L
R
L-OUT
R-OUT
IC3702
52
54
SIF OUT
SIF IN
MAIN SIGNAL PROCESSING CIRCUIT
(
Not equipped)