Haier HLH26BB User manual

SERVICE MANUAL
FOR LCD TV
HLH26BB/HLH32BB/HLH37BB
TV-8888-47

CONTENTS
1 CONTENTS ----------------------------------------------------------------------------2
2 Product Code Illumination and Series Introduction----------------------3
3 Main Unit Description---------------------------------------------------------------4
4 Features---------------------------------------------------------------------------------6
5 Connection Sketch Interpretation----------------------------------------------9
6 Introduction to Circuit Boards--------------------------------------------------11
7 BUS Control Adjustment ----------------------------------------------------34
8 Exploded View ----------------------------------------------------------------38
9 List of Parts --------------------------------------------------------------------------39

2. Product Code illumination and Series Introduction
L26 V6 --A8
LCD
Model series of cabinet Number
Screen size: 26inch
The code of the en
g
ine core

4. Features
Model Model
No. Functions 26”32”37” No. Functions 26”32”37”
1 TFT LG-PHILIPS 28 TV in No
2 Screen size(mm×mm) 26/32/37 inch 29 D-SUB jack Yes
3 Aspect ratio 16:9 30 DVI socket Yes
4 Resolution 1366×768 31 SCART jack No
5 Brightness 500cd/m2 32 Ear-Phone Out Yes
6 Contrast(Darkroom) 500:1 33 Teletext No
7 Response time(ms) 16 34 Semitransparent menu Yes
8 Color system PAL/SECAM 35 ZOOM No
9 Audio system DK/BG/I/L/M/L’ 36 16:9 mode YES
10 NO.of preset channels 200 37 Child Lock Yes
11 Angel of view 176 38 Quick View Yes
12 Color display 16777216 39 On/Off Time Yes
13 OSD languages 13 40 PIP No
14 Balance Yes 41 NO. of built-in speakers 4
15 Equlizer Yes 42 NO. of outer speakers No
16 Surrounding sound Yes 43 Audio output power(Built-in)(W) 5W×2
17 Digital Bass Yes 44 Audio output power(outer)(W) No
18 Sound mode Yes 45 Total power input（W）150/150/220
W
19 NICAM Yes 46 Voltage range（V）AC120V
20 Mute Yes 47 Power frequency（Hz）60Hz
21 pc automatic adjust Yes 48 Time of sleep timer(MINS) 240Min
22
A
TS No 49 Net weight(KG)
23 3A WINDOWS No 50 Gross weight(KG)
24 Nation Select Yes 51 Net dimension(MM)
25 Y CbCr Yes 52 Packaged dimension(CM)
26 Y PBPRYes 53 Approval UL
27 S-video jack Yes 54 Suitable market Europe

5. Connection sketch interpretation

BLOCK DIAGRAM

6 Circuit diagram

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
L L L
For Europe,used for front audio and Scart2 audio input switch
(VCC +5V)
INPUT
Delay time = {1/(fs)}*(sampling number + 1) [sec]
H:SELECT MSP3450G ANALOG AUDIO DATA OUT DELAY,MSP3450G
TRANSMITTED I2S_WS AND I2S_SCK.
L H
OE A
H X
1/2
(COUNT[1:0]=10)
Z
H
DIGITAL AUDIO
3/4
(COUNT[1:0]=01)
MCLKOUT
1/4
(COUNT[1:0]=00)
B
OUTPUT
4/4
(COUNT[1:0]=11)
SPDIF
TO MAINBOARD
L:SELECT HDMI DIGITAL AUDIO TO MSP3450G AUDIO DATA OUT
DELAY,MSP3450G RECEIVED I2S_WS AND I2S_SCK.
AMUTE
30TR04C_TV_AUDIO_KEY 1.0
TV&TUNER_PHILIP
Qingdao Haier Electronics Co.,Ltd.
C
330Tuesday, July 12, 2005
Title
Size Document Number Rev
Date: Sheet of
I2S_DATA_IN-
DACA_L
DG_AUDIO_SEL
RESET_MSP
S/V1_RIN
I2S_SCK-
RinP
SC2_LOUT
DACA_R
I2S_DATA_IN2
MONO_SR
MB_RIN
I2S_WS I2S_WS-
I2S_WS-
SIF2
COUNT0
I2S_DATA_IN2-
LinP
COUNT1
Stereo_SR
I2S_DATA_IN2-
MB_RIN
I2S_DATA_IN-
RCA/SC2_LIN
S/V1_LIN
DG_AUDIO_SEL
RCA_LIN
I2S_DATA_IN
I2S_DATA_IN
I2S_SCK-
I2S_WS-
PHONE_SW
I2S_SCK
DACA_L
DACA_R
DACA_ROUT
COUNT0
I2S_SCK
MB_LIN
RCA_RIN
MB_LIN
COUNT1
I2S_DATA_IN2
USB_RIN
I2S_DATA_OUT
MC_SCLK
I2S_WS
DACA_LOUT
CVBS_OUT
MC_DATA
SC2_ROUT
DACM_SUB
SC1_LOUT
I2S_DATA_OUT
S-VHS/V1#_SW
RCA/SC2_RIN
PHONE_SW
USB_LIN
I2S_SCK-
SC1_ROUT
PHONE_SW
SD_TUNER
CVBS2_G
A_SW1
TV_A_OUT
PHONE_SW
Y/V1_M
SIF
A_SW2
SIF2
Y/C_C_M
GPIO_CF
SC_TUNER
AFT
TV_IN
C_G
SAW_SW
SC_TUNER
SD_TUNER
Mute
RESET_MSP
AGC_MUTE
SIF2
GPIO_CF
RESET_MSP
CVB3_G
VIDEO2
S/V1_LIN
S/V1_RIN
SC1_LOUT
SC1_ROUT
RCA_RIN
RCA_LIN
S-VHS/V1#_SW
SC2_ROUT
SC2_LOUT
+5VSAFE
+8V
+8V
+5VSAFE
+5VSAFE
TGND
+5VSAFE
+5VSAFE
+2.5V
+3V3S
+3V3S
+8V
+3V3S
12V
+5VSAFE +8V
+5VSAFE
+2.5V
+5VSAFE
RA39
0R_DNS
CA40
470pF
CA33
470nF
RA43
0R_DNS
CA42
10nF
CA56
470pF
RA46 22R
CA34
10nF
CA48
470pF
CA23
1nF_DNS
CA57
1500pF
RA96
2K2
CA29
100nF
CA59
10nF
FBA3 150_Ohm_2000mA
RA49 22R
+
CA32
100uF/16V
RA45 4K7
+
CA28
10uF/16V
CA135
100nF
+
CA148
10uF/16V
+ CA136
10uF/16V
LA10 10uH
YA1
18.432MHz
UA2
SN74LV125/74LVX125_DNS
1
23
4
56
7
8
9
10
11
12
13
14
OE1
1A 1B
OE2
2A 2B
GND
3B
3A
OE3
4B
4A
OE4
VCC
RA24
3K3_DNS
CA172
1nF
CA17
1uF_0805
CA37 47pF
CA151
470pF
CA30
100nF
CA138
1uF RA88
10K
CNA10
4x2 2.0mm_DNS
1
3
5
7
2
4
6
8
+
+
+
+
+
+
+
+
RA47
220
RA35
0R_DNS
RA2910K
+
CA31
3.3uF/50V
CA14
1uF_0805
+
CA169
22uF/16V
RA22 10K
CNA9
PHONEJACK STEREO
1
4
5
6
2
3
RA17
2K2_DNS
CA139
1uF
RA27 10K
CA152
470pF
RA3010K
CA7
10nF->470pF
CNA13
8X1 2mm
1
2
3
4
5
6
7
8
CA8
10nF->470pF
RA98
120K
+
CA113
470uF/16V
CA5
1uF_0805
CA55
220pF
RA5
100K
CA5
470nF
UA8
LM4558
1
2
3
4 5
6
7
8
OA
INA
N_INA
V- N_INB
INB
OB
V+
QA1
MMBT3906_DNS
1
23
+ CA58
10uF/16V
CA6
470nF
LA11
10uH
CA12
10nF_DNS
+
CA19
10uF/16V_DNS
LA9
10uH
CA13
10nF_DNS
CA3
10nF
+
CA60
22uF/16V
RA100
1K
CA9
470nF CNA11
CON2 2X1_2.5MM_DNS
1
2
RA105
4K7
+
CA52
22uF/16V
LA29 3.3uH_0805
CNA3
3X1 2mm_DNS
1
2
3
CA50
1nF
CA10
470nF
CA24
470pF_DNS
+
CA141
22uF/16V CA21
10nF->470pF
RA3 1K
RA106
4K7
CA49
1nF
FBA1
150_Ohm_2000mA_DNS
FBA4
150_Ohm_2000mA_DNS
CA116
1nF
CA20
10nF->470pF
RA23
3K3_DNS
CA14
470nF
RA52
220
CNA13
8X2 2mm
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
CA183
330pF
RA38 1M_DNS
FBA3
150_Ohm_2000mA_DNS
CA17
470nF
DA4
BAV70
1
2
3
RA101
1K
RA90
10K
UA1
NJU26901
1
2
3
4 5
6
7
8
SDI
LRI
BCKI
VSS COUNT0
COUNT1
SDO
VDD
CA45
3.3pF
RA99
1K
+ CA134
220uF/16V
RA89
10K
CA133
100nF
RA4 1K
CA44
3.3pF QA3
MMBT3906
1
23
RA7 1K->470
CNA2
13x2 2mm
1
3
5
7
9
11
13
15
17
19
21
23
25
2
4
6
8
10
12
14
16
18
20
22
24
26
RA8 1K->470
CA117
1nF
RA15
100K
RA140
220
RA87
100K
RA16
100K
CNA5
3X1 2.5mm
1
2
3
+ CA137
220uF/16V
CA2
470nF
RA31 100R
RA11 1K->470
RA177 75R
CA46
1nF
RA139
220
RA86
100K
QA2MMBT3906
1
23
RA13 1K->470
CA47
1nF
RA25
100K->470
RA93
15K
RA12
1K_DNS
UA11
MSP34XX
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
NC SCL SDA I2S_CL I2S_WS I2S_DA_OUT I2S_DA_IN1 ADR_DA ADR_WS ADR_CL DVSUP DVSUP DVSUP DVSS DVSS DVSS I2S_DA_IN2 NC NC NC RESETQ NC NC DACA_R
DACA_L
VREF2
DACM_R
DACM_L
NC
DACA_SUB
NC
NC
SC2_OUT_R
SC2_OUT_L
VREF1
SC1_OUT_R
SC1_OUT_L
CAPL_A
AHVSUP
CAPL_M
NC NC
AHVSS AHVSS
AGNDC
NC
SC4_IN_L
SC4_IN_R
ASG4
SC3_IN_L
SC3_IN_R
ASG2
SC2_IN_L
SC2_IN_R
ASG1
SC1_IN_L
SC1_IN_R
VREFTOP
NC
MONO_IN
AVSS AVSS
NC NC
AVSUP
AVSUP
ANA_IN1+
ANA_IN-
ANA_IN2+
TESTEN
XTAL_IN
XTAL_OUT
TP
AUD_CL_OUT
NC
NC
D_CTR_I/O_1
D_CTR_I/O_0
ADR_SEL
STANDBYQ
RA14
100K_DNS
CA171
1nF
RA26
100K->470
CA6
1uF_0805
CA43
100nF_DNS
RA18
1K->470
CA11
1nF_DNS
RA6
100K
CA22
470nF
+
CA170
22uF/16V
RA20
1K->470
RA91 10K
CA147
5pF
CA16
0.1uF
+
CA15
10uF/16V
RA92
15K
CA146
5pF
CA26
470pF
RA97
0R
CA27
10nF
RA21 1K
RA42 4K7
+ CA25
100uF/16V
RA28
10K
RA19 10K
+
CA35
10uF/16V
CA9
1uF_0805
+
CA38 10uF/16V
RA32
4K7
RA2 75R
CA10
1uF_0805
CA1
470nF
TPA1
TP_T_C30
CA39
47pF
RA36
3K3
RA34
3K3
CA18
10nF_DNS
CA4
10nF
RA40
3K3
RA51
100R
CNA4
6X1 2mm
1
2
3
4
5
6
RA41
3K3
CNA3
5X1 2mm
1
2
3
4
5
RA33
2K2
RA37
2K2
CA41 47pF
CA36
10nF LinP
RinP
Stereo_SR
MONO_SR