Sanyo CE32WH3-F, Руководство по обслуживанию

Страница: 78 / 79

This is a diagram for all models and therefore differs slightly from the actual block diagram.
RO
M
47
46
45
44
19 20 21 22 23 24
12/6 13/5
9
10
8 2
4
11
12/6 13/5
9
10
8
2 4
11
IC804
B
US SW
15 14
15 14
11
10
7 6 5
15 14
4 1
12 11 10
2
IC808
PCF8574
IC807
PCF8574
MUTE ON/OFF A
V3/FR
ONT A
V4 SW
3D SURR
OUND ON/OFF
3L-Y/C SEP ON/OFF
P
AL/NTSC SW
A
V3 SW
A
V2 SW
A
V1 SW
I/O
EXP
ANDEDER
SCAR
T1
AV
1
SCAR
T2
AV
2
SCAR
T3
AV
3
FR
ONT
AV
4
MONIT
OR-
OUT
SC1 V
-IN
23 41
1 7
9
11 27
34 37 39
19 20
8 9
6
7
SC2 V
-IN
SC2 Y
-IN
SC2 C-IN
IC1201
MM1313BD
TV
-OUT
R/G/B/BLK
IC1181
NJM2284
SCL/SD
A
IF/VIDEO/
CHR
OMA/
MAR
TIX
2 3
36 37 38 39
34
18
20
21
47
61
60
51 50 49
29
28
26
46
CVBS-OUT
Y
-OUT
C-OUT
CVBS-2-IN
R
G
B
BLK
IF
4
5
Aer
ial
T
uner
X132
SAF
Q131
IC7101
CXD2064
3L-Y/C
SEP
V
YC
26
28 30 22 20
1
71
72 74 76
79
A/D D/A
CONVER
TER
Y
U V
HD
VD
SCAN
CONVER
TER
IC7250
SAA4991
IC101
TD
A9321
FIELD
MEMOR
Y
IC7206
SAA4955
FIELD
MEMOR
Y
6
8 9
11
14
16 17 19
2Y
-OUT
2U-OUT
2V
-OUT
IC201
TD
A9178
Q7341
Q7305 Q7309
MA
TRIX
DEFLECTION
IC202
TD
A9330
28 27 26
23 24
8
44
46 41
42
38
37
36
35
3
10
11
SD
A/SCL
SCL/SD
A
IC801
ST9212915
CPU
RG
B
BLK
OSD
BG
R
BLK
IC711
TD
A6111
IC721
TD
A6111
IC7311
TD
A6111
B VIDEO-OUT G VIDEO-OUT R VIDEO-OUT
35
8
3
5
8
3
5
8
G B R
CR
T
IC501
LA7846
1
2
H-DRIVE
E-W
Q402
T401A
H-DRIVE
IC471
MB3759
IK
Q237
Q236 Q235
G R B
V DRIVE - V DIR
VE+
15
8
PCC
CONTR
OL
CS
CONTR
OL
H-OUTPUT
Q411
PO
WER ERR
OR
Q1803
Q1904
CS-SW
IC809
CXA1315
Q473
140V
FOCUS SCREEM
T402
CHOKE TRANS
T402
FL
YBA
CK
65V HEA
TER
200V
V H
D.
Y
VER
T
OUTPUT
6
5
3
VM CIRCUIT
VM COIL
Q307
IC301
L302
Q301
Y U V
VD HD
AV SELECT
OR
FR
ONT A
V4/A
V3 SW
IC803
FR
ONT A
V
-IN
SCL/SD
A
IC806 B
US SW
SCL/SD
A
Q801
Q803
Q804
Q802
I
2
C B
U
S
2V
-OUT
2H-OUT
MEMOR
Y
65
SCL/SD
A
SCL/SD
A
Q366/
Q378
2
9
7
TV
-OUT
IC7207
SAA4955
H.V
IC802
M27C1001
2
+ _
Outline
CHASSIS BLOCK DIAGRAMS
Fig.-1
IC801
CPU
IC802
ROM
CVBS input
Q1652
RL1601
Power
Supply
Circuit
OSD RGB Dr
iv
e
H-Sync V
-Sync
1
|
5
63
|
80
61 60 48 49 44-47 42
38
25
RC Pre-amp.
IC804
Bus-SW.
IC806
Bus-SW.
I
2
C Bus
SDA/SCL
I
2
C Bus
SDA/SCL-1
MEMORY
I
2
C Bus
SDA/SCL-2
SDA/SCL-3
19 20 21 22 23 24
Photo
Sensor
Power ON/OFF
DIGITAL
SCAN
CONVERTER
CS SW.
IC421
H-Drive
Q401-Q402
T401
Drive Trans
Q411
H-Output
IC501
V-Output <LA786>
5 6 3
V-Drive +
V-Drive -
Q421
3
8
2
1
23
24
EW-Out
3
15
8
11
IC471
<MB3759P>
Q472
Q473
Vert.
Coil
Horiz.
Coil
Deflection
Yoke
T402
FlyBack Trans.
T403
Choke
Trans.
L461/L462
C421
Pcc Control
IC202
DEFLECTION
<TDA9330H>
2H-Sync 2V-Sync
Screen Width Control
System control
Deflection circuit
Fig.-4
Fig.-5
IC101
IF/VIDEO/
CHROMA
<TDA9321H>
IC202
CTI
<TDA9330H>
IC201
SHARPNESS
<TDA9178>
DIGITAL
SCAN
CONVERTER
CIRCUIT
3L Y/C
SEP
.
AV
SELECTOR
CIRCUIT
SIF
Filtering
circuit
Buffer
2
3
10
12
13
14
18
20 21 26 28 29
34
36
|
38
61
60
23
40
41
42
38
35
24
49
50
51 6
8
9 19
17
16 26
27
28
Y, U, V 2(Y, U, V)
H-Sync
V-Sync
2HD
2VD
External RGB in
SAW Filter
IF Stage
Video-in C-in
C-in
Y
-in
Y-in
Y-out
AV1
AV2
AV3
AV4
3
5
8
IC731
R-VIDEO OUT
<TDA6111Q>
3
5
8
IC721
G-VIDEO OUT
<TDA6111Q>
3
5
8
IC711
B-VIDEO OUT
<TDA6111Q>
R
G
B
IK
RGB OSD
DISPLAY from CPU
Picture Tube
Video signal rooting
SCART1
AV1
SCART2
AV2
SCART2
AV3
FRONT
AV4
1,4
16,11
3
5
L/R
SC3-IN
IC1201
MM1313
22,24
42
40
2
4
8
10
25
26
33
32
IC3501
MM1369
3D
SURROUND
PROCESSOR
3D SUPPER
L
SPEAKER
R
SPEAKER
HEADPHONE
JACK
Q001
IC807
PCF8574
IC3451
TDA9875
Q3453
Q3452
L
R
23
1
10
9
13
11
6
48
47
20
9
33
34
IC002
TA8200
AUDIO
AMP
7 11 12 2 4
12
14
15
MUTE
12
29
51
52
32
31
60
61
IC101
TDA9321
SCL/SDA
SCL/SDA
NICAM&
SOUND
CONTROLLER
L/R
TV-OUT
MONITOR
OUT
SC1-IN
SC2-IN
L/R
IC1181
NJM2284
Q1215
Q1217
Q1223
Q1224
FROM
CPU
L/R
TV-IN
SIF
MONO
Tuner
Q131
X131
SAF
Aerial
L
R
L
R
L/R
L/R
5
63
44
IF/VIDEO/
CHROMA
63
44
5
IF/VIDEO/
CHROMA
+
I
2
C BUS
AV
SELECTOR
19
20
I/O
EXPAMDER
ACTIVE 3D SURROUND PROCESSING
Audio signal rooting
Fig.-2
Fig.-3
CONVER
TER TRANS
IC6111
SWITCHING
5
4
3
21
+
C605
Rectifier
D601
D613
AC
SW601
MAINS SW
T1651
RL160
RELA
Y
SW
RC14V
5V
RC5V
IC1651
IC676
12V
D1659
D1658 D1651 D1653
Q611
Q621
R647
IC631
33V
140V
14V
-18V
7.5V
27V
D636
D635
D634 D631
D633
D632
D651
Q1652
IC7351
IC7352
IC7353
IC674
5V
D5V
A5V
D3.3V A3.3V
5VTV
V
e
rtical
Deflection
V
.Def
200V
T402
FL
YBA
CK TRANS
T403
CHOKE TRANS
High V
olta
g
e
Focus V
olta
g
e
Screen V
olta
g
e
65V
CR
T
Heater
PO
WER ON/OFF
ON:HI
RELA Y
IC808
I/O EXP
ANDER
4
14 15
4
14 15
IC809
I/O EXP
ANDER
Q1804
R1809
D1803
D1804
Q1803
5V
D811
D292
D294
5V
Q1806 R1816
HIGH V
O
LT
A
GE
&
PO
WER F
AIL
DETECTION
HIGH V
O
LT
A
GE
&
PO
WER F
AIL
DETECTION
D485
10 9
8
11
D481
1
3 4 1
2
D486
Video Out
Q411
Q572
2
3 1
D646
D649
D647
D638
D637
Q632
Q631
IC673
IC672 IC671
8VTV 9VTV
12VTV
D672 D677
POWER F AILURE
DETECTION
8V Reg
9V Reg
12V Reg
D679
D7353
D828
D7351
D7352
D7354
5V Reg
3.3V Reg
5V Reg 5V Reg
12V Reg
D642
D643
22 21
20,19
18 13
12 17
15
14
16
2 3
9,10
5,6
T611
CPU
IC801
42
23
24
I 2
C B
U
S
SCL/SDA
H-OUTPUT
14V Reg
P
o
w
er Supply Lines
P
o
w
er F
ailuer Detection Lines
Power supply & Protection circuit
Fig.-5
POWER SUPPLY & PROTECTION DIAGRAMS