Sanyo CR21KX2, Руководство по обслуживанию

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-3-
Chassis Block Diagrams
F
ront
key
A1901A
RC
PRE-AMP
.
D1910 LED
5V
-2
6
7
ANT
VIDEO IN L-IN(A
UDIO)
R-IN(A
UDIO)
A
UDIO MONIT
OR OUT
FR
ONT
A
V
IN
REAR A
V
IN
VIDEO IN
IC802
MEMOR
Y
6
5
4
3
SCL
SD
A
K
e
y in
R/C in
VIF
31
29
33
30
Stand b
y
Mute
Mono/St.
Vo
l.
Protect
27
10
8
AFT
BLK
B
G
R
36V
9 11
IF OUT
CPU
1
VIF
RF A
G
C
A101
TUNER
X161
SA
W Filter
R-IN
R-OUT
MONO/ST
.
IC1201
A
UDIO SW
15V
40
SELECTED VIDEO OUT
1
51
42
A
UDIO-OUT
Ext.A
UDIO-IN
Ext.VIDEO-IN
RF A
G
C
AFC
ABL
28
13
4
IF in
IF in
6
AFT
SIF out
SIF in
IF V
CC
VIDEO VER
T
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
VIDEO-OUT
INT
. VIDEO
IN
R-OUT G-OUT
B-OUT
H-OUT V
-OUT
19 20 21 27 23
IC201
IF/VIDEO/
CHR
OMA
MUTE
V
OL.
L-IN
R-IN
Rout
Lout
IC001
A
UDIO AMP
.
180V
1
5
IC501
VER
T
./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
CR
T
Heater
HV
180V
Heater
Lo
w B
36V
H-VCC
9V
-1
5V
-2
Protect
PO
WER SUPPL
Y CIRCUIT
Protect
4/5
IC801
12
28
23
19
20 21 22
SP901 (L)
SP902 (R)
12
7
5 2 3 1 10
REAR MONIT
OR
OUT
1
7
3
VIDEO MONIT
OR OUT
L-IN(A
UDIO)
R-IN(A
UDIO)
2
11/12
2
Q431
H-DRIVE
CR
T UNIT
T611
CONVER
TER
TRANS
.
2
AUDIO MONIT OR OUT
IIC Bus
IIC Bus
IIC Bus
MAIN SIGNAL PROCESSING CIRCUIT