Sanyo CE14SA4 - Chassis Block Diagrams (Main Signal Processing Circuit)

-3-
Chassis Block Diagrams
(Main Signal Processing Circuit )
Front key
A1901A
RC
PRE-AMP.
D1910 LED
5V-2
6
7
ANT
VIDEO IN
AUDIO-IN
AUDIO MONITOR OUT
FRONT AV IN
REAR AV IN
VIDEO IN
IC802
MEMORY
6
5
4
3
SCL
SDA
Key in
R/C in
31
29
Stand by
Mute
Protect
27
10
8
AFT
BLK
B
G
R
36V
9
11
IF OUT
CPU
1
VIF
RF AGC
A101
TUNER
X161
SAW Filter
15V
40
SELECTED VIDEO OUT
1
51
42
AUDIO-OUT
Ext.AUDIO-IN
Ext.VIDEO-IN
RF AGC
AFC
ABL
28
13
4
IF in
IF in
6
AFT
SIF out
SIF in
IF V
CC
VIDEO VERT V
CC
RGB VCC
HOR. VCC
5V-2
10
52 54
8
43
5
18 25
H-VCC
9V
9V-1
8
5VRC
14
15
16
17
R
G
B
BLK
46
44
35
34
VIDEO-OUT
INT. VIDEO IN
R-Y IN
9V-1
B-Y IN
R-OUT
G-OUT
B-OUT
H-OUT
V-OUT
19
20
21
27
23
IC201
IF/VIDEO/
CHROMA
MUTE
AUDIO-IN
AUDIO OUT
IC001
AUDIO AMP.
(MONO)
IC281
SECAM
6
7
Low B
5V-2
TELETEXT UNIT
TEXT: R
TEXT: G
TEXT: B
TEXT:
BLK
180V
VIDEO IN
14
SECAM KILLER
1
5
IC501
VERT./DEF.
SWITCH
VR631
130V
Reg.
Reg.
24V
15V
9V
5VRC
Reg.
Reg.
24V
Protect
T431
H-DRIVE
TRANS.
Q432
H-OUT
25V
130V
B
G
R
9V
H V
L902 DY
AFC
ABL
T471
FBT
Q901
CRT
Heater
HV
180V
Heater
Low B
36V
H-VCC
9V-1
5V-2
Protect
POWER SUPPLY CIRCUIT
Protect
4/5
IC801
12
28
19
20
21 22
SP901
7
5
3
9
REAR MONITOR OUT
VIDEO MONITOR OUT
AUDIO-IN
11/12
2
Q431
H-DRIVE
13
15
IC2001
TELETEXT DECODER
8
9
10
12
16/17
1
CRT UNIT
T611
CONVERTER
TRANS.
2
AUDIO MONITOR OUT
IIC Bus
IIC Bus
IIC Bus
IIC Bus
1 / 2
Model CE14SA4 & CE14SA4R
✻ Te letext decoder is no equipped.
✻