![background image](http://html.mh-extra.com/html/haier/htx20s32/htx20s32_service-manual_138157020.webp)
NO:M-AM-US-20R21-76814 Edition: 2002.12.30
Circuit Diagram
K6D
B1-ADJ
HV
FOCUS
SCREEN
ABL
H-PULSE
FO
5
4
3
2
1
13
14
12
11
8
9
10
2
CRT BOARD
10
9
7
6
5
4
3
1
8
PCC
H-W
C
Y
Lo
u
t
Vo
u
t
LIVE AREA
AC220V
50HZ
1
2
3
4
Ro
u
t
V1
i
n
L1
i
n
R1
i
n
V2
i
n
L2
i
n
R2
i
n
SD
A
SC
L
A
UD
I
O
Ro
u
t
Lo
u
t
Rin
Rout
Lin
Lout
XS603
X
S
6
0
4
OMIT-SS--112LM
OMIT-SS--112LM
1
6
11
8
2
10
2
7
1
4
4
2
1
1
1
3
5
9
3
3
C551
2KV470
C554
1KV470
V554
2SB892(S)
V553
2SC1815
RP551
B- 2K
C565
35V2200
+
C561
160V220
+
C564
25V2200
+
B6
12V
R553
4. 7K
R554
150K
R555
1/ 2DJ47K
R556
22K
R551
2SJ22K
R552
1/ 2DJ100K
R569
275/ 1A
XS401
SCN-4Y
TP- G
TEST
TP- H
TEST
XS402
TJC2- 6A-4T
XP402
TJC2- 5Y
B1
110V
R491
1FJ3. 3
C432
500KK1000
W902
JG 0034
C931
16V10
+
R902
100
R912
100
R922
100
R924
330
C921
CJ390
C911
CJ220
C901
CJ390
C939
2KV1000
R918
1/ 2SJ2. 7K
R928
1/ 2SJ2. 7K
R904
330
C903
CJ56R
R914
330
C913
CJ56R
C923
CJ56R
R931
1K
U901
XXXXXXX
R908
1/ 2SJ2. 7K
R900
DJ10K
V902
2SC2688
V912
2SC2688
V922
2SC2688
C932
16V10
+
R906
560
R916
680
R932
15K
R933
1. 5K
R907
2SJ10K
R917
2SJ10K
R927
2SJ10K
R926
680
R940
33
K9N
TJC2-2A
XP901
SCN- 4Y
XP902
SCN- 5Y
B2
24V
B1
110V
B3
12V
B7
5V
B1
110V
B3
12V
B5
5V
B5
5V
B3
12V
SW701
CH+
SW702
CH-
SW705
M ENU
SW706
AV/ TV
SW703
V+
SW704
V-
C701
16V47
+
L701
39UH
C702
0. 01
C703
0. 01
C704
15P
C705
18P
G 701
32K
R709
390K
C708
50V4. 7
+
R718
2SJ10K
R720
10K
R708
10K
R700
150K
R701
27K
R702
8. 2K
R703
4. 7K
R704
3. 9K
R705
2. 7K
R706
1. 5K
R731
10K
R734
10K
R729
150K
R732
47K
R730
10K
C713
50V1
+
R725
330
C714
50V2. 2
+
R726
270K
R736
4. 7K
R738
4. 7K
R740
4. 7K
R742
3. 3K
R743
3. 3K
C719
16V47
+
C720
0. 01
R744
220
R745
220
R747
22K
R749
22K
R751
22K
R753
22K
R754
10K
R755
22K
R766
100
R757
22K
R758
22K
R759
22K
R760
2. 2K
R761
22K
R762
22K
R763
22K
R764
22K
R765
22K
A701
HS- 0038
C110
0. 01
R108
5. 6K
R109
1K
R110
220
R107
100
V102
2SC2216
C112
0. 01
R111
82
C111
0. 01
L102
15UH
C115
16V100
+
C116
0. 01
C117
50V1
+
R113
100K
R114
100K
C118
0. 01
C119
0. 01
C120
FK0. 022
C123
1000
R121
1K
T101
HA6019
R201
1K
R202
1. 2K
R204
560K
C203
16V4. 7
+
C204
50V1
+
C205
0. 01
C206
16V47
+
C209
63V15P
G 201
S3. 58
C274
0. 01
C276
16V10
+
R273
1/ 4DJ4. 7K
R408
2. 2K
R432
J
R433
1/ 2SJ1K
C433
500KK3900
C441
200FK0. 39
B4
25V
L451
18UH
VD451
EM 01Z
C451
35V100
+
C452
35V2200
+
R451
3. 3K
C453
1000
C454
50V1
+
C459
100FK0. 1
R452
1
R453
12K
R454
3K
R455
12K
R456
12K
R457
39K
C456
50V4. 7
+
R458
1K
C457
35V2200
+
R460
1/ 2DJ180
C458
100FK0. 1
R461A
1/ 2DJ120
R459
1SJ1
C401
50V0. 47
+
R401
2. 2K
C404
16V220
+
C405
0. 01
C406
FK0. 068
C407
50V2. 2
+
R402
1K
R403
330K
R404
680
R241
100
R242
100
R243
270
C244
16V47
+
C245
0. 01
R232
1/ 2DJ1. 5K
R233
10K
C231
50NP1
C607
0. 01
C606
35V1000
+
XS602
TJC3-2A
XP602
TJC3- 2Y
B901
10W8O HM
B902
10W8O HM
XS403
SCN- 5
C729
0. 01
R400
1/ 4DJ270
N451
LA7840
G
ND
1
O
UT
PU
T
2
VC
C1
3
NO
N
IN
PU
T
4
IN
PU
T
5
VC
C2
6
PU
M
P
O
UT
7
R723
8. 2K
R724
4. 7K
R722
1. 5K
R756
22K
C403
FK0. 47
SW707
AUTO
R707
680
R721
10K
R728
470
R119
1K
N702
CAT24C08P
VCC
8
GND
7
SCL
6
SDA
5
1
2
3
4
R746
22K
R748
22K
R735
10K
R770
100
B5
5V
C450
16V100
+
R409
680
R727
470
VD1001
TRL- R
V702
2SA1015
VD901
I N4148
VD911
I N4148
VD921
1N4148
C455
63V10
C611
16V10
+
C621
16V10
+
C772
KK470
R773
12K
R775
10K
R779
8. 2K
C734
16V/ 10
+
R780
560
R632
10K
C618
50V2. 2
+
V633
2SC1815
V631
2SA1015
R631
10K
VD631
1N4148
R630
10K
VD620
1N4148
C628
50V2. 2
+
V632
2SC1815
R772
10K
C625
25V470
+
C615
25V/ 470
+
C612
16V100
+
VD611
1N4148
VD612
1N4148
C613
16V100
+
VD621
1N4148
C622
16V100
+
C623
16V100
+
VD622
1N4148
B6
12V
B6
12V
R774
100
R777
8. 2K
C733
16V/ 10
+
R778
560
C771
KK470
R776
12K
C627
0. 01
C617
0. 01
C631
16V/ 100
+
R611
1. 5K
R621
1. 5K
L901
10UH
R272
3K
C279
0. 01
R120
39K
R244
2. 7K
R274
4. 7K
R275
3K
C207
FK0. 01
C208
50V0. 47
+
R206
47K
R205
22K
R207
2M
C210
16V0. 47
+
C140
470
C139
50V0. 47
+
R127
220
C137
50V0. 47
+
C136
50V1
+
A101
ENV56DB4G 3
IF
33V
5V
SDA
NC
SCL
AGC
5V
C103
50V2. 2
+
R103
1K
R102
100K
R101
33K
B7
5V
C101
16V100
+
C102
0. 01
L433
ZZ0003
L432
YC0008
V432
2SD1651
C434
160V10
+
B1
R434
7W3. 3K
L431
YC0008
C474
250V22
+
VD474
EU1
R474
1FJ1
T471
JF0501- 92807
R472
1FJ1
VD472
EU1
C472
35V100
+
B4
25V
R567
1. 2K
C570
10V470
+
B5
5V
XS901
GZS10-2- 108
R471
6FJ3. 9
B6
12V
RL552
VD552
1N4148
V821
2SC1815
R822
4. 7K
R821
1K
C821
50V1
+
V801
2SC1815
R801
27K
R803
220
C805
16V470
+
R802
68K
R804
100K
B3
12V
B7
5V
C803
16V470
+
C819
220
R413
10K
R414
10K
C412
50V1
+
R415
3. 9K
R412
8. 2K
VD411
EU1
C411
25V47
+
C303
FK0. 1
C304
FK0. 1
R302
100K
R303
270K
R304
10K
R305
1K
R306
39K
V301
2SC1815
RP301
B-50K
RP302
B- 10K
V303
D2012
L301
AA36
C306
35V470
+
R307
2. 2K
R310
2. 7k
V302
2SA1015
C315
1000
R313
1SJ5. 1
R312
DJ5. 6K
R311
2. 7K
R308
47k
R309
56K
C305
25V2. 2
R314
1/ 2SJ560
R301
8. 2K
C301
35V47
+
C302
35V1000
+
B4
25V
VD435
ERD07-15L
C435
1. 6KV8200
C437
400NJ0. 033
R441
1/ 2SD1K
L441
AC41B
C444
160V4. 7
+
R446
1/ 4W220K
N801
TC4053BP
O
X
12
1X
13
X
CO
M
14
Y
CO
M
15
VD
D
16
1Y
1
0Y
2
1Z
3
Z
CO
M
4
O
Z
5
IN
H
6
VE
E
7
VS
S
8
C
9
B
10
A
11
XS802
VHS
R1010
4. 7K
R808
82
C806
16V10
+
R1009
47K
C810
16V10
+
R826
4. 7K
C809
16V10
+
R814
4. 7K
XS801- 1
AV2
XS803
AV1
B7
5V
C801
16V220
+
C802
0. 01
W801
X
R818
82
C811
16V10
+
R825
82
C812
0. 01
B7
5V
VD801
1N4148
R824
27K
R819
1K
R823
8. 2K
R815
4. 7K
R820
3. 3K
C804
0. 01
C515
400V0. 022
C501
250HM 0. 1
C502
250HM 0. 1
L909
LJ0107CHA
C503
1000KM1000E
C505
1000KM1000E
C504
1000KM1000E
C506
1000KM1000E
C532
400KM 470S
C533
400KM2200S
VD503
RM 11C
VD505
RM 11C
C507
400V330
+
VD504
RM 11C
R515
2SJ68K
R501
6WDJ220K
N501
HPC922
L501
JLB1606
L502
LJB1606
R513
1M
R514
1M
FU501
T2. 5A250V
U902
EW0130KB
R502
6WK3. 9
XS501
TJC2- 2A
V513
F6654
1
2
3
4
5
R503
2SJ68K
C509
35V100
+
VD512
EG 01C
C516
2KV220
R512
3. 3K
C514
0. 01
VD513
1N4148
VD507
1N4148
L504
YC0008
C510
FJ470
VD508
1N4148
C511
FJ1000
R507
1. 5K
R508
1. 5K
V501
2SA1015
VD509
HZ15C
R509
1K
C512
FJ470
VD510
EU2
R511
8. 2
VD511
EU2
R504
2SJ0. 1
R510
10K
R506
FJ680
C513
2KV330
L506
YC0008
L505
YC0008
VD555
RU4YX
VD551
RU3A
VD554
RG P15D
VD452
1Z75
T511
BCK- 130-01
N552
L7805CV
1
2
3
B7
5V
C572
10V470
+
C126
39
L121
15UH
C125
18
R122
330
C124
50V1
+
R104
100
R105
100
R268
1K
V802
2SC1815
R831
68K
R833
1K
C823
16V47
+
R832
22K
R834
82
B3
12V
R835
68K
R838
82
R836
22K
B3
12V
R837
1K
C825
16V47
+
XS801- 2
AVout
C06
50V4. 7
+
C07
50V4. 7
+
R02
RJ8. 2K
C16
50V4. 7
+
C08
15nF
R20
100
C10
50V10
+
R03
RJ160
C15
100nF
C09
50V10
+
C01
50V10
+
R610
3K
R620
3K
C813
16V10
+
B6
12V
B6
12V
B6
12V
R21
100
C14
50V10
+
R800
680
C13
47nF
C19
16V100
+
C02
470nF
C04
220nF
C03
50V4. 7
+
C05
50V10
+
CR
50V2. 2
+
C21
50V10
+
C18
16V100
+
CL
50V2. 2
+
C17
100nF
C20
50V10
+
C12
50V1
+
C11
50V1
+
B503F58
Q01
N641
TDA9850
VE
I
2
Cn
r
3
Cm
4
Cd
ec
5
AG
ND
6
DG
ND
7
SD
A
8
SC
L
9
Vc
c
10
CO
M
P
11
Vc
ap
12
Cp
1
13
Cp
2
14
Cp
h
15
Ca
dj
16
CE
R
17
Cm
o
18
Cs
s
19
Cr
20
O
UT
R
21
Cs
de
22
SA
P
23
Vr
ef
24
Cl
25
Cn
d
26
O
UT
L
27
M
AD
28
Ct
w
29
Ct
s
30
Cw
31
VE
O
1
Cs
32
R01
2. 2K
C824
16V100
+
R624
1/ 2W39
T431
BCT-10
B2
18V
XP601
TJC3- 2Y
XS601
TJC3- 2A
R270
560K
C730
470P
C601
16V10
+
C602
16V10
+
C402
50V0. 22
+
C212
50V1
+
N701
LC863232A- 5V57
LNA
1
50/ 60
2
ALARM
3
W- VO L
4
VO L- L
5
VO L- R
6
PO WER
7
NC
8
G ND
9
XTAL1
10
XTAL2
11
VDD
12
KEY I N
13
AFT I N
14
NC
15
NC
16
RESET
17
FI LT
18
CVBS- I N
19
V SYNC
20
H SYNC
21
R O UT
22
G OUT
23
B OUT
24
BLANK
25
NC
26
SDA0
27
SCL0
28
SDA1
29
SCL1
30
SAFTY
31
S-VHS
32
NC
33
I R
34
SRS O N/ OFF
35
WO O FER O N/ O FF
36
M UTE
37
AV2
38
AV1
39
AV/ TV
40
V- M UTE
41
COM B-FI LTER
42
Z101
LBN45U
38M
VD412
HZ7C1
N101
LA76814K
AUDI O OUT
1
FM OUT
2
PI F AG C
3
RF AG C
4
VI F I N1
5
VI F I N2
6
G ND(I F)
7
VCC ( VI F)
8
FM FI L
9
AFT OUT
10
DATA
11
CLOCK
12
ABL
13
R I N
14
G I N
15
B I N
16
BLANK I N
17
VCC (RGB)
18
R OUT
19
G OUT
20
B OUT
21
AKB I N
22
V OUT
23
RAM P ALC. FI L
24
VCC ( H)
25
H AFC FI L
26
H OUT
27
FBP I N
28
VCO I REF
29
CLO CK OUT
30
VCC ( CCD)
31
O SD CO NTRAST
32
GND ( CCD/ H)
33
X- RAY
34
KI LLER FLT
35
APC1 FI L
36
FSC O UT
37
XTAL
38
ACC FI L
39
SEL VI DEO O UT
40
GND ( V/ C/ B)
41
EXT VI DEO I N
42
VCC ( V/ C/ D)
43
I NT VI DEO I N
44
BLK STRETCH FI L
45
VI DEO OUT
46
APC FI L
47
VCO COI L
48
VCO COI L
49
VCO FI L
50
EXT AUDI O I N
51
SI F OUT
52
SI F APC FI L
53
SI F I N
54
C807
16V10
+
C808
16V10
+
W804
1/ 4W15K
C626
50V1
+
R625
100
C616
50V1
+
R615
100
V804
2SC1815
VD704
1N4148
W408
10K
VD506
RM 11C
RT501
PTH451A7R0Q21
00
0
RL551
0
0 0
C408
0. 022
VD401
I N4148
R933
1M
C935
250V22
+
V705
2SC1815
N705
UPC574
V931
2SA1015
V704
2SC1815
VD436
EU2A
VD402
I N4148
VD561
HZ6C3
N553
L7805CV
1
2
3
N551
L7812CV
1
2
3
R566
10K
R507
1. 5K
R562
275/ 2A
V591
2SC1015
R591
1. 2K
VD592
1N4148
10K
R561
V552
2SC1815
R557
22K
V555
2SA1015
V431
2SC2383-O
VD703
HZ4A2
VD553
1N4148
N602
LA4287
IN
T
1
G
ND
2
EX
T
3
SW
4
VO
L
5
FL
I
6
NF
B
7
G
ND
8
O
UT
9
VC
C
10
N601
LA4287
IN
T
1
G
ND
2
EX
T
3
SW
4
VO
L
5
FL
I
6
NF
B
7
G
ND
8
O
UT
9
VC
C
10
V803
2SC1815
VD900
RU3Z
V703
2SC1815
VD301
1N4148
10K
R596
V553
2SC1815
R557
22K
VD509
HZ15C
68K
R593
R593
68K
C591
50V0. 47
+
C438
2KV470
R545
1/ 2CK5. 6M
1
6
11
8
2
10
2
7
1
4
4
2
1
1
1
3
5
9
3
3
Summary of Contents for HTX20S32
Page 12: ...11 6 Net dimension Net dimension ...
Page 13: ...12 7 Parts and Functions Parts and Functions HTF20R21 ...
Page 19: ...18 11 Circuit Diagram Circuit Diagram ...
Page 22: ...21 Circuit Block Diagram ...
Page 23: ...22 12 Circuit Explanation 0 Circuit Explanation ...
Page 24: ...23 2 N101 LA76814K 1 1 2 3 1 4 1 5 67 108 5 9 5 5 2 0 5 8 2 99 9 0 8 Circuit Explanation ...