haier bh2404d sm [et]
TRANSCRIPT
1
HAIER
COLOR TELEVISION
SERVICE MANUAL
PART # TV-8888-36
HAIER AMERICA TRADING, LLC www.haieramerica.com
Features ��218 programs present
��Multiple picture modes
��On/off timer
��Child-lock V-CHIP
��CCD BTSC
BH2404D COLOUR TELEVISION
Service Manual
MODEL :
BH2404D
USA
Manual code: M-AS-ML-BH2404-8378 Edition: 2005.3.8
Haier Group
2
Contents
3
1. Features
1) 218 programs present
2) Multiple picture & volume modes
3) On/off timer
4) Child-lock Program scan
5) Slide curtain power on/off display
4
Features
NO FUNCTION
1 Main IC UOC2 CRT SF3 Color system NTSC 4 Audio system M 5 NO.of channels 2186 OSD language ENGLISH7
PIC
Multi-picture modes YES 8 AV stereo YES9 Super woofer
10 Surrounding sound 11 Treble/bass boost 12 Left/right balancer 13 NICAM 14 Multi-audio modes 15 Tone adjuster 16 MTS/SAP YES17
A
UD
IO
Auto-volume leveling 18 AV input YES19 AV output 20 DVD terminal 21 S-video jack YES22 Headphone socket YES23
JIC
SCART socket 24 Digital curtain 25 Slow fading on & off 26 Semitransparent menu YES27 Non-flshing channel changing 28 ZOOM 29 16:9 mode 30 Games 31 Calendar YES 32 Child-lock YES33 Multi-functional lock YES34 No-picture listening 35 Background light 36 Auto-timer on YES37 CCD YES38
SO
FTW
AR
E
V-CHIP YES
NO FUNCTION
39 NO. of built-in speakers 240 Audio output power(W) 2*2W 41 Total power input W 120W 42 Voltage range V 120V 43 Power frequency Hz 50HZ 44 Time of sleep timer(MINS) 45 Net weight(KG) 46 Gross weight(KG) 47 Net dimension(MM) 48 Packaged dimension(MM) 49 Quantity for 20' container 50 Quantity for 40' container 51
PA
RA
ME
TE
R
Quantiry for 40' high container 52 Acquired certificate
53
APPROVAL
Suitable market USA
5
SAFETY PRECAUTIONS
6
7
1. When you clean the TV set, please pull out the power plug from AC outlet. Don't clean the cabinet and the screen with benzene, petrol and other chemicals.
4. To prevent the TV set from firing and electric shock, don'tmake the TV set rain or moisture.
Warning and Cautions
8
Warning and Cautions
9
Warning and Cautions
10
Warning and Cautions
11
Warning and Cautions
12
Warning and Cautions
13
14
Parts and Funcitions
15
Remote Controller Functions
16
Program Diagram
17
Program Diagram Program Diagram
18
19
20
21
22
Check +B
Disconnect R214 to check main voltage
Check lamp filament, release and grating voltages
Check R415, R505 and R526
Check V403, T401
Check V402
Check pin 28 of N201 for output
Check CRT cathode voltage
Check N201 for R, G and B
signal output
Check CRT and peripheral circuit
Check OM8378 voltage
Check for short between output voltage and ground
Check for 300V voltage
Check N801 for peripheral circuit
Program Diagram Program Diagram
Program Diagram
Program Diagram Program Diagram
Program Diagram Program Diagram Program Diagram Program Diagram
Maintenance Service and Trouble Shooting
23
Check pin 21 and 22 of N201 for curve output
Check R228 and C227 Check 16V and 47V voltage
Check R413 and R408
Check T444
Check N301 and peripheral circuit
Check N201
Check receiver voltage
Check pin 61 of N201 voltage
Check receiver
Check RR230 and C234 Check all pins of V801for voltage
Check VD806 for voltage output
Check N201
Maintenance Service and Trouble Shooting
24
Enter factory mode and adjust 6EWP to see if picture changes
Check pin 20 of N201for voltage and ground resistance
Check V401 and DZ401
Check pin 12 N301 for voltage and ground resistance
Check C416
Check and replace N201 and N301
Check and replace VD404 andVD406
Maintenance Service and Trouble Shooting
25
Check pin 7 of N201 for noise suppression
Check N201 28 for sound signal output
Check N703 3 5for sound signal output
Check and replace N703
Check N703 15 18for sound signal output
Check N601 and peripheral circuit components
Check and replace N201
Press mute button, or check and replace N201
Check V213, R243, C246
Maintenance Service and Trouble Shooting
26
To assist in location possible faults use help guide below.
BREAKDOWN PHENOMENON
PICTURE SOUNDCHECKING
The aerial direction and connection
Ensure that the power supply is connected to the TV set and turned on. Also ensure that the TV set is not in "Listen Mode" or that the brightness and contrast are not turned down.
Adjust colour control
Adjust channel again
Colour Purity fault which can be caused by moving the TV set, placing magnets near the TV screen or turning on/off house hold appliances such as vacuum cleaners near the TV set. Turn the TV off with the mains power switch for 15 minutes. When the power is turn on again the TV set will automatically degauss the picture. In server cases leave the TV set turned off over night.
Picture with snow Noise
Colour Spot Normal volume
Scramble Normal or Weak Volume
No colour Normal volume
No Picture No sound
No soundNormal
Normal
Disturb Noise
Double or Triple Image
Note:1.If the fault can not be repaired using the above guide consult with your local authorized service center. 2.The TV set must only be repaired by a qualified registered service person. Never attempt to remove the back cover as the TV set has dangerous voltages in side that may cause a fatally or fire.3. The cabinet may produce the occasional "snapping sound" This is normal and caused by the materials in the cabinet expanding with room temperature changes.
Electrical interference which can be caused by cars, motorbikes etc, Fluorescent lamps and dirty insulators on overhead power cables.
This is called ghosting which can be minimized with an outside aerial, and good quality cable and terminations. Altering the aerial direction can also minimize this effect.
Volume Sound mute
Maintenance Service and Trouble Shooting
27
50V-4.7¦ ÌFC233
63V-330PFC232
1/6W-3.9KR229
63V-1000pFC231
63V-0.022¦ ÌFC228
50V-104C227
16V-10¦ ÌFC230
1/6W-39KR228
63V-0.01¦ ÌF
C226
63V-0.01¦ ÌFC225
104C223
472C221
15KR226
222C218
224C217
224
C216
104C220
V- P+ TV/AVP-V+ MENU
RB01470
RB02620
RB031K
RB051.8K
RB041.2K
C240
33
C23933X201
12M
OU
T
GN
D
VC
C
HS0038ARM201
3.3KR266
100
R210100
R209
AV1/AV2
R208
1/6W-100
A5-3.3V
B-OUT
G-OUT
IN4148VD201
R-OUT
CUT-OFF
50V-1uFC247
Z201XT6.0M
L210
LGA0203-5R6
50V-1uF
C253
IN4148VD202
63V-150PFC249
BL
C-SVHS
V-OUT
SYSTEM
H-DRI
A7-8V
H-SYNC ABL
A5-3.3V
SYSTEM
A7-8V
VD
-N
VD
-P
TOL-30mRGdEHaLD201
180V
HEATER
CUT-OFF
B-OUT
G-OUT
3
21
CN503
H-DRI C402500V-560pF
T401AA26
C431400V-0.022¦ ÌF
C401
100V-103
VD401IN4004
B4-16.5V
A2-126V
H-SYNC
VD-N
VD-P
VD402IN4004
C422104
VD404T1R5GU41
C403500V-470pF
C303
35V-100uF
DZ301MTZJ22A
VD406TR5GU41
C416400V-364
DZ402MTZJ5.1B
VD403TC2406
C417500V-470pF
C418100V 10u
HEATERB1-183V VIDEO GT404
C414104
VD405TTVR10G
ABL
C411250V-22uF
B3-18.5V
HEATER
H-OUT
V401FJAF6810D
C40425V-470uF
C802AMKT61-275V-104
L801
P802PTH451C7R0Q21
¡£
¡£
¡£
L803
LB3.5*6
C8051kV-1000pF
N801
VFB
VCC
4
3 5
1
2SYNC
C80463V-3900PF
VD809IN4148
VD810TERB4304
VD804TB1206
C80363V-0.047¦ ÌF
C823332
C801220uF/200V
T801
4
8
9
10
12
14
15
16
17
1
PC801PC817C
C8072kV-561pF
C808160V-100UFVD802
T1R5GU41-12.5-M
A1-33V
A2-130V
C810500V-560pF
VD805T1R5GU41
A3-15.7V
VD803T1R5GU41
C845500V-560pF
C81463V-104
DZ803KA431
A4-10.4V
¡£
¡£
C80250v-47u
BCK-05E
R8031/2W-390
STANDBY
R8481/6W-15K
47R943
C219100u
C2221u
C2242.2u
1
2
3
4
5
6
7
8
16
9
10
11
12
13
14
15
R746
3.3K
16
9
10
11
12
R747
3.3K
13
14
15
A3-5V
A6-
5V
C20956
56C208
A6-5VA6-5V
C259223
10KR279
.
63V-0.1¦ ÌFC242
16V-100¦ ÌFC241
16V-22¦ ÌFC236
63V-0.1¦ ÌFC237
63V-1000pFC234 100U
C922
16V-100¦ ÌFC255 63V-0.022¦ ÌF
C254
63V-0.1¦ ÌFC256
63V-0.1¦ ÌFC248
1N4004
L209
16V-47¦ ÌFC252
1/6W-47R250
63V-0.01¦ ÌF
C207
1/6W-22KR274
ST-BY
A5-
3.3V
A7-
8V
TJC-5
CN502TJC-3
GND
CN802TJC1-2Y
DEGUSS
CN801TJC1-3Y
CN401TJC-4
160V-1uFC415
16V-10¦ ÌFC250
A3-15.8V
A6-5V
1/6W-4.7KR241
1/6W-1KR242
16V-47¦ ÌFC257
3.3KR278
3.3KR222
3.3KR220
3.3KR212
3.3KR211
3.3KR215
47R216
10uHL202
1/6W-100R230
1/6W-100R236
1/6W-100R235
1/6W-100R237
1/6W-33KR273
1/6W-1KR238
1/6W-6.8KR248
1/6W-20KR249
1/6W-510R840
1/6W-470R256
1/6W-1KR841
1/6W-75R265
1/6W-390R244
1/6W-270KR275
1/6W-100KR259
1/6W-27KR276
1/6W-100R245
1/6W-200R263
1/6W-8.2KR246
1/6W-3.3KR247
1/6W-430R255
1/6W-100R252
1/6W-200R251
1/6W-47R257
1/6W-1Kw265
1/6W-75R258*
1/6W-75
R718
1W-3.9KR407
2W-1KR414
2W-7.5K
R413
1/2W-0.22R409
1/2W-33R408
1/2W-0.39R407A
1/2W-270R403
2W-18KR810
1/2W-1KR819
1/2W-1.5KR818
1/2W-39KR809
1/2W-127KR816
1/2W-2.49KR817
1/6W-15KR847
1/6W-10KR849
1/6W-10KR214
1/6W-6.2KR213
1/2W-12MR807
1/2W-3.3MRx801
33KR801
33KR802
1/2W-470KR822
1/2W-470KR823
MF72-2-5¦ ¸¡ÀNRP801
1/2W-600R805
250V/3.15AF801
LGA0203-100L208
LGA0203-100L207
LGA0203-100L206
LX034L401
501AL402
KSC815V804
KSC815V206
KSC815V208
KSC815V212
KSC2331-YV402
21P-R
21P-G
21P-B
A7-8V
STANDBY
SCL
SDA
HEATERB1-180V
AV2-VIN
VIDEO
AV1-VIN AV1-AL AV1-AR
Y C
CNS01
CN703
102CS01
75RS01
Y-SVHSC-SVHS AV1-V AV1-ARAV1-AL
CNS0275RS03
100RS02
1
2
MUTE
1
45
8
1
23
4
183v
16.2
A6-5V
SDA SCL
N702 HEF4053
V1
V2
H2
H1
1N4148
VD816
MTZJ4.7BDZ205
WpNCA2
VSS
VDDPTCSCLSDA
N20224C08
MUTE
CN603
CN604
B+SCL SDAAGC9
GNDBT11
IF10831 54 6 72
TU101
ET-5A5E-AF108AT
16V-10¦ ÌFC107
104C202 C201
10u
KA33VDZ201
A1-33V
D1510C
SF101
BF370V101
1/6W-10R104
1/6W-13KR105
1/6W-470R106
25V-220¦ ÌFC102
MTZJ5.1BDZ102
1/6W-68KR261
1N4148VD217
1/6W-9.1KR260
1/6W-1KR227
1/6W-9.1KR262
B4-12V
C214104
SYSTEM
1W-33R110
LGA0203-100L102
SDASCL
1/6W-22R103
SPEAKER
SPEAKER
INPU
T
INPU
T2
VC
C3
OU
T4
GN
D5
VFB
6
OU
T7
VO
8
VI
9
TDA8359J
N301
1/2W-1R415
100V-33uFC304
LGA0305-10uH
L306
MTZJ15C
DZ303
63V-0.047¦ÌFC306
1/2W-1.5R308
1/2W-10R302
1/6W-12KR311
1/6W-270KR314
1/6W-1.8KR313
1/6W-1.8KR312
1/2W-1R305
2W 0.68R306
1/6W-100K
R303
2W 220R307
EWD
DEC.BG
PH1.LF
GND3
PH2.LF
DECD/G
SEC.PLL
VSSA
CTL
BAND
VSSC/P
VOL
MUTE
SYSTEM
KEY5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
47
48
49
50
51
52
53
54
55
56
57
58
59
60
VP2
46
23
24
25
26
27
28
29
30
31
32
45
33
34
39
40
41
42
35
36
37
38
43
44
H.OUT
F.B.L.SO
AUO.EXT
EHTO
PLL.IF
IF.VO/SVO
VP1
CVPS.INT
GND1
CVBS/Y
CHROMA
AUD.OUTV.DRB
V.BRA
IF.IN1
IF.IN2
I.REF
V.S.C.
AGC
AV.DEEM
DECS.DEM
GND2
SND.PLL
AVL
RESET
XTAL.OUT
XTAL.IN
OSC.GND
VDD.C
VPE
B.OUT
G.OUT
INSS.W2(BL)
R.OUT
BLK.IN
BCL.IN
B2/U.IN
G2/Y.IN
R2/V.IN
VDD.A
VT
SDA
SCL
STANDBY1
2
3
4 61
62
63
64INT.REM
AV/SVHS
AV1/AV2
VDDP
OM8378N201
0.18R815
1000uC610
A4-10.4V
VC
C1
OU
T2
2
GN
D3
OU
T2
4
MU
TE
5
INPU
T6
GN
D7
INPU
T8
VO
L9
OU
T1
10
GN
D11
OU
T1
12
N601AN7522N
KSA539V622
KSC815V621KSA539
v620
1/6W-4.7KR623
1/6W-33KR621
1/6W-10KR620
W6101/6W-56K
C61250V-1uF
C60450V-1uF
C61163V-0.01¦ ÌF
C60363V-0.01¦ ÌF
POWER
VD6201N4148
A3-15.7V
1/6W-10KR622
C621
50V-1¦ ÌF
C62016V-100¦ ÌF
1/2W-68
R416
ABL
16V-10¦ÌFC246
1/6W-1KR243
V213
KSC8151/6W-100KR277
R262*1/6W-4.7K
C7401UF
50V-1uFC725
1/6W-220R707
A1R
V04
V03
VOL
1/6W-5.6K¦¸R605
1/6W-5.6K¦¸R606
1/6W-5.6K¦¸R611
1/6W-5.6K¦¸R610
1/6W-220R704 1/6W-220
R703
50V-1uFC722
50V-1uFC727
FO
SC
HV
TO CRT
TO CRT PCB SCREEN & FOCUS
8
9
6
7
1
4
5
3
10 11
B+
SC
FO
HV
46
BSC24-01N4021D(BSC2-01)T444
AV1/AV2
C81125V-2200¦ÌF
C84625V-1000¦ÌF
1
2
3
4
5
6
7
8
16
9
10
11
12
15
16
9
10
11
12
13
14
15
N703HEF4052
AV/SVHS
2
R7521/6W-10
CVBS/Y
CVBS/Y
75R715
50V-1uFC705
1/6W-220R708
A1L
AV
2-L
AV
2-R
V03V04 SL SR
R-OUT
2W-1¦ ¸R821
1/6W-1.5KR861
1/6W-15KR862
1/6W-10K
R860
2W-24¦ ¸R820
KSC815V806
2SB764(Y)V805
C81916V-100¦ÌF
C82916V-100¦ ÌF
L7809CS
L209IN4004
A3-14.73V
B4-9V
A6-5V
POWER
N802
A7-8V
C10816V-47¦ ÌF
LCL-207
CN501
GT501 1P
GT502 1P
5
6
7
8
FO
SC
HV
C50810uF
CRT
64SX505Y22-DC02
1.8KR534
1.8KR524
1.8KR514
68R506
33KR527
2W-4.7
R505
47R501H
47R502
47R503
BF420V531
BF420V523
C502330p 270
R536
18KR531
1/6W-220¦ ¸R512
SCREEN
C510102K/2KV
BF420V521
BF421v522
C503
470PF 270R526
18kR521
390R523
BF420V511
BF421V512
C501470Pf 270
R516
18KR511
390R513VD504
1N4148
VD5051N4148
DZ501
BZX79C8V2
R-OUT
B-OUT
G-OUT
G
220R522
B
BF420V513
220R512
BF420V523
BF420V533
220R532
C511
100Pf
R
C5094.7uf
10MR550
VD507TC2406------T
G1
KA5Q0765RTH-YDTU
VD8141N4004
VD8111N4004
VD812
1N4004
C430
1.5kV-622pF
LB3.5*5L402
125v
1/2W-100K
R420
C4091.6KV-7500pF
NC
LGA0203-0.47¦ ÌH
L101
63V-1000pFC110
1/6W-2.2K¦ ¸R102
63V-104C422
63V-0.01¦ ÌFC111
1/2W-1R824
1/6W-12Kw333
50V-1uFC750
1/6W-100w236
1/6W-100w235
39KR281
39KR280
YS
V2
A2L
SL
È¥¹¦·Å È¥¹¦·Å
MTZJ5.1BDZ259
VD407RU4AM
VD408RU4DS
1uhL203
EW
-DR
I
100R402
DZ401MTZJ8.2B
110W313
52.6kR401A
C403A
160V-22uF
C4192kV-681pF
C413400V-472
MD701AMD702A
IF IN 9V SCL SDA FM IN R.OUT L.OUT
+
CD422.2uF
RD252.2K
CD260.022uF
ZD03 500KHz
RD25 100
RD20150
+
CD37 2.2uF
RD218.2K
CD28 0.47uF
+
CD224.7uF
RD22 100
LD0210UH
CD41 0.1uF
CD380.015uF
CD200.047uF
CD21
0.1uF
CD290.22uF
+
CD2310uF
VEO1
VEI2
Cnr3
Cm4
Cdec5
AGND6
DGND7
SDA8
SCL9
VCC10
COMP11
Vcap12
Cp113
Cp214
Cph15
Cadj16 CER 17
Cmo 18
Css 19
Cr 20
OUTR 21
Csde 22
SAP 23
Vref 24
Cl 25
Cnd 26
OUTL 27
MAD 28
Ctw 29
Cts 30
Cw 31
Cs 32
ND02TDA9850
+
CD3010uF
+ CD324.7uF
+
CD27 100uF
+
CD2522uF
+
CD31 4.7uF
+
CD35 4.7uF
+
CD36 2.2uF
+
CD39100uF
+ CD402.2uF
+
CD4610uF
+
CD45 10uF
+
CD471uF
+
CD481uF
CSB503F58
+
CD3310uF
MD701MD702
R-IN L-IN
R-IN L-IN
FM-OUT
FM-OUTSCL SDA
2W-150¦¸R404
C5-9V
C5-9V
1/6W-75R817A
XS4
2W-24¦ ¸
RR
2W-24¦ ¸RL
DZNMTZJ9.1B
C42616V-100¦ ÌF
63V-1000¦ÌFC420
1/6W-100R719
STANDBY
STANDBY(power)
STANDBY(power)
3.3KR286
A6-5V
EW-DRI
101C202
V403FQPF630
N808L7805CS
KSC815V801
1/6W-220R843
C84216V-10¦ ÌFMTZJ3.9B
DZ808 C84116V-100¦ ÌF
A5-3.3V
Circuit Diagram
28
Circuit Diagram
29
Circuit Explanation
30
31
32
33
34
35
36
37
38
56
Information of Resistors and Capacitors
57
BCE
KSR1010TAKSR2010TA
E C B
2SD18887YD
2SC4544----B-A2SB1569A-E----B-A EXPORT2SP2400A-E----B-A EXPORT2SC3853(2SC3852)----E-A3DD2553----B-A3CA688----E-A2SC3853(2SC3852)----B-A
2SC1815-Y------F2SA1015-Y------F2SC752GTM-Y------F EXPORT2SC2878-A(TEM)------F EXPORTRN1204(DTC144ESATP) EXPORT2SA562TM-Y------F 2SC3355------F EXPORT
Information of Resistors and Capacitors
58