Haier TV-8888-34 User manual

1
HAIER
COLOR TELEVISION
SERVICE MANUAL
PART # TV-8888-34
HAIER AMERICA TRADING, LLC
www.haieramerica.com

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Service Manual
For P42S6A-C1 / P42S6A-C2
●
●●
● Features
●
●●
● Built in tuner
●
●●
● Digital interface(DVI 1.0)
●
●●
● Auto Pixel shift for reduce image sticking
●
●●
● Graphic and video double window
●
●●
● 8W-2CH speaker out ,subwoofer out
●
●●
● PC/DVI input resolution up to 1280*1024
●
●●
● HDTV signal interface
●
●●
● Power management function
Haier group
Edition:2003.11.11

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Content
Contents………………………………………………………………………….2
2.Features……………………………………………………………………….3
3.Safety measures and Attention………………………………………….4
4.Block Diagram ………………………………………………………………..5
5.IC description ……………………………………………………………….…7
6.IC layout &power map………………………………………………………10
6.1 IC layout & power map(digital board) …………………………..10
6.2 IC layout & power map(analog board) ………………………….11
7.Panel interface …………………………………………………………….12
7.1 Output signal timing_60HZ…………………………………………12
7.2 Output signal timing_50HZ…………………………………..12
7.3 Output signal timing diagram………………………………..13
7.4 LVDS bit mapping……………………………………………..14
7.5 Panel connect pin configuration……………………………..14
8.Power interface……………………………………………….……..15
9.Inspections on major Ics……………………………………………16
10.Bom list……………………………………………………………..22
11.repair record………………………………………………………..53
11.1Record sheet:for reference……………………………….…53

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2.Features
●
●●
●Built in tuner
●
●●
●Digital interface(DVI 1.0)
●
●●
●Auto Pixel shift for reduce image sticking
●
●●
●Graphic and video double window
●
●●
●8W-2CH speaker out ,subwoofer out
●
●●
●PC/DVI input resolution up to 1280*1024
●
●●
●HDTV signal interface
●
●●
●Power management function
●Motion adaptive 3D Y/C Separation for composite NTSC video
signal
●
●●
●4H adaptive comb filter for PAL composite video signal
●
●●
●Multi-stand color decoder PAL/NTSC/SECAM
●
●●
●Multi-stand video sync processing
●
●●
●Multi-stand sound process with Turbo sound
●
●●
●Video window on graphic background
●
●●
●Graphic window on video background
●
●●
●Independent scale factors in vertical and horizontal
●
●●
●Graphic signal full sync processing
●
●●
●Motion-weighted interpolation for video source
●
●●
●Bad-edit detection/correction

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3. Safety measures and Attention

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4. BLOCK DIAGRAM
01_CPU_RXD0
ADG774
BA7657
(option)
AD9887
0x98
VPC3230
SUB
0x8E
(option)
FLI2200
0xC0
PC_R
PC_G
PC_B
DTV_Y
DTV_Pb
DTV_Pr
BA7657
(option)
DVD_Y
DVD_Pb
DVD_Pr
DTV_Y
DTV_Pb
DTV_Pr
R/Y_IN
G/Pb_IN
B/Pr_IN
R/G(SOG)_IN
VPC3230
MAIN
0x88
AIR
DVD_Pr
DVD_Pb
DVD_Y
74LCX74
VPC_Y[0:7]
VPC_C[0:7]
VPC_VS
VPC_HS
VPC_LLC1
VPC_FLD
DFF_FLD
V_IN[0:7]
V_VS
V_HS
V_ACTIVE
VCLK
D_IN[0:7]
D_IN[8:15]
D_IN[16:23]
DIN_CLK
D_ACTIVE
D_HSYNC
D_VSYNC
V_VALID
SUB_VS
SUB_HS
SUB_LLC2
SUB_FLD
SUB_Y[0:7]
SUB_C[0:7]
RM-1A
G_Port
V_Port
HDTV_SEL
COMP1_DVD_SEL
V_OE_N
V_SUB_EN_N
V_MAIN_EN_N
TEA6425
0x96
UPD
64083
0xB8
Video_CVBS
S-Video_C
S-Video_Y
3D_Y
3D_C CVBS
CVBS
Y
C
DVI_RX0 -
DVI_RX0 +
DVI_RX1 -
DVI_RX1 +
DVI_RX2 -
DVI_RX2 +
24C21
74HC
4052
PC_H
PC_V
DVI_V
DVI_H
24C21
74ACT244
74ACT244
74ACT244
74ACT244
74ACT244
74ACT24474ACT244 74ACT244
PC_SCL
PC_SDA
DVI_SCL
DVI_SDA
Tuner_SIF
Video_L/R
DVD_L/R
DTV_L/R
S-Video_L/R
PC/DVI_L/R 74HC
4052
PC_AUDIO_SEL_N CPU_VSYNC
CPU_HSYNC
MSPG
3450G
0x80
TL062
CDT TA2024
CPU
FI_WE
31P_HF
TxOUT0 -
TxOUT0 +
TxOUT1 -
TxOUT1 +
TxOUT2 -
TxOUT2 +
TxOUT3 -
TxOUT3 +
TxCLKOUT-
TxCLKOUT+
PD_LVDS_N
02_CPU_TXD0
03_HDTV_SEL
04_CPU_BHE_N
05_CPU_WR_N
06_CPU_RD_N
07_ALE
08_ARDY(3.3V)
09_S2
10_S1
11_S0
VPC_S_RST_N_51
RM1_IRQ_53
13_X1
POWER_N_54
14_X2
16_RM1_CLK_IN
17_25MHz_AD9887
IR_INT1_55
CPU_UCS_N_57
19~40_A[19:0]
IR_INT0_56
42_WHB
43_WLB
44_HLDA
45_HOLD(GND)
CPU_LCS_N_58
46_HW_MONITOR
47_NMI(GND)
48_WRITE_PROTECT
49_RM1_RST_N
50_RM1_CS_N
PCF
8574T
P0_COMP1_DVD_SEL
P2
P3
DS90C
385
OP_A[0:23]
OP_HSYNC
OP_VSYNC
OP_ENABLE
CLK_OUT
10P
Analog
PWR
A6V
GND
A12V
GND
12Vam
12Vam
GND
GND
A33V
GND
11P
Digital
PWR
A5V
GND
D3.3V
GND
GND
NC
POWER_N
GND_STB
STB_5V
THER_DET
FLI_RST_N
Tuner
0xC2 Tuner_CVBS
3D_C
3D_Y
VPC_S_RST_N
VPC_M_RST_N
P4
P5
P1_MUTE
MAX
232A
TX1
RX1
RX2
TX2
CPU_TXD0
CPU_RXD0
CPU_RXD1
CPU_RXD1
74HC244
VIDEO_DET
SVHS_DET
DVD_DET
DTV_DET
PC_DET
DVI_DET
THER_DET
74HC244
SOURCE
MENU
VOL -
VOL +
CH -
CH +
POWER
CPU_D[0:7]
74HC02
24C16
74HC02
CPU_RD_N
KEY_EN_N
PIN_DET_N
PCF
8573T
PHONE_TX
PHONE_RX
V_SUB_EN_N_59
V_MAIN_EN_N_60
PIN_DET_N_62
PD_LVDS_N_65
KEY_EN_N_65
SCL_TMR_
68
SDA_TMR_69
CPU_RST_N_71
V_OE_N_72
SCL_STB_73
PC_AUDIO_SEL_N_74
SDA_STB_75
SCL1_76
SDA1_77
CPU_D[0:15]_78~95
G_LED_N_96
R_LED_N_97
CPU_TXD1_98
CPU_RXD1_99
FLI_RST_N_100
P6
P7
SCL_TMR
SDA_TMR
SDA_STB
SCL_STB
SCL1
SDA1
ENTER
PCF
8591T SCL1
SDA1
AFT
D3.3V

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5. IC DESCRIPTION
Name Package Description Manufacture
KIA78D05F DPAK Regulator KEC
KIA78D09F DPAK Regulator KEC
LP3961EMP-2.5 SOT 223-5 Regulator NATIONAL
LM1086ISX_3.3V TO-263 Regulator NATIONAL
LP3961EMP-1.8 SOT 223-5 Regulator NATIONAL
MICOM
1) Multiplexed address and data bus which is
compatible with 80c186 microprocessor
2) Supports nonmultiplexed address bus[A19 : A0]
3) 1M byte memory address space
4) 64K byte I/O Spaec
M29W160DB TSOP FLASH MEMORY ST
M24C16 SOP 8 EEPROM ST
74VHC08 SOP 8 2 input AND Gate FAIRCHILD
RGB Graphics Processing
Scan Converters
Aanlog Interface
1) 140 MSPS Maximum Conversion Rate
2) 330 MHz Analog Bandwidth
3) Full sync processing
4) Midscale Clamping
5) 4:2:2 Output Format Mode
Digital Interface
1) 112MHz Operation(2pixels/clock mode)
2) High skew tolerance of 1 full input clock
3) Sync Detect for "hot plugging"
MQFPAD9887KST
R8820LV PQFP 80 RDC
ANALOG DEVICES

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Name Package Description Manufacture
LVDS Transmitter NATIONAL
+3.3V Programmable LVDS Transmitter 24-BIT Flat Panel
Display Link-85 MHz , +3.3V Programmable LVDS Transmitter
18-Bit Flat Display Link-85 Mhz
MAX821 SOT143 Power-on Reset MAXIM
74AHC244 SOP Octal Buffer and Line Driver PHILIPS
74VHC02 SOP Quad 2-Line NOR Gate FAIRCHILD
74LCX74 TSSOP D-Type Flip-Flop ST
Comb Filter Video Processor
MICRONAS
1) High-performance adaptive 4H comb filter Y/C separator
With adjustable vertical peaking
2) Multi-standard color decoder PAL/NT/SECAM
3) Line-locked clock, data and sync, or 656-output interface
4) peaking,contrast, brightness,color saturation and
tint for RGB/YCrCb and CVBS/S-VHS
5) PIP processing for picture sizes whit 8 bit resolution
6) 15 predefined PIP display configuration and expert mode
Digital component video deinterl FAROUDJA
1) Motion-adaptive video deinterlacing selects optimal
filtering on a per-pixel basis
2) Supports 525/60(NTSC), 625/50(PAL/SECAM)
3) Accepts up to 1100 pixels/line
4) 8/10-bit , 16/20-bit YUV,24/30-bit RGB or YCbCr/YPbPr
Progressive output option
5) High-order filtering produces smooth chroma output in
4:2:2 to 4:4:4 or 4:4:4 to 4:2:2 conversion
FLI2200 TQFP
VPC3230D QFP
DS90C385 TSSOP

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Name Package Description Manufacture
MAX232ACSE SOP RS232 Transceivers MAXIM
TCPS9091PD27A tuner Tuner SEC
24C21 SOIC EEPROM ST
74HC4052 SOP 4-Channel Analog DE/Multiplexer PHILIPS
BA7657F SOP Switch ic ROHM
74ACT244 TSSOP Octal Buffer and Line Driver FAIRCHILD
PCF8563T SOP CMOS Real-time Clock PHILIPS
K4S643232f TSOP DRAM Samsung Elec.
K6T4016V3C TSOP SRAM Samsung Elec.
TEA6425D SO20L Video Cellular Matrix ST
KIA78D09F DPAK Regulator KEC
RM1A-A BGA-352 scaler OPLUS
PCF8574T SOT162 Remote 8-bit I/O Expander PHILIPS
TA2024 PSOP30 Digital Audio Amplifier Driver TRIPATH
TL062CDT SO8 J-FET Dual Operational Amplifiers ST
MSP3450G PQFP80 Multistandard sound processor family MICRONAS
Three-dimensional Y/C separation lsi with on-chip memory NEC
1) upd64083 realizes a high precision Y/C separation
2) noise reduction by three-dimension signal processing for NTSC signal
3) on-chip 4-Mbit memory for flame delay,2ch of high precision intermal
10-bit A/D converter, and adapting 10-bit signal processing and high
picture quality
4) upd64083 is completely single-chip system of 3D Y/C separation
5) This LSI includes the wide
UPD64083GF QFP100

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6. IC layout &power map 6.1 IC layout & power map(digital board)
VPC
3230
FLI2200
RAMBRANT-1A
AD9887KS
-140
R8820LV
74AHC
244
Z86129
VPC
3230
Audio_Video_LR
74AHC
244
74ACT
244
74ACT
244
74ACT
244
74ACT
244
74ACT
244
74ACT
244
74ACT
244
74ACT
244
K4S
643232F
K4S
643232F
K4S
643232F
74VHC
02
74VHC
02
K6T4016V3C
M29W160DB
24C16
PCF
8563T
MAX
2323E
DS90C385
K4S643232F
74HC
4052
74HC
4052
74LCX7
4
4FC
216
4FC
216
24C16
ADG774
78D
05F
LM
1086
IS-3.3
LM
2937
3,3
LM
2937
3,3
LM
2937
3,3
74VHC
08
LP
9361
2.5
LP
9361
1.8
LM
1086
IS-3.3
31P CON.
11P CON.
12
P
C
O
N.
12
P
C
O
N.
12
P
C
O
N.
12
P
C
O
N.
14
P
C
O
N.
MAX
821
A6V
A5V
D3.3V
STB5V
STB5V
D3.3V
D3.3V
D3.3V
D3.3V
D3.3V
STB5V
STB5V
STB5V
STB5V
STB3.3V
STB3.3V
STB3.3V
STB3.3V
STB5V
D2.5V
D2.5V
D1.8V
D3.3V
D2.5V
D3.3V
STB5V
D3.3V
A5V
A5V
A5V
A5V
A5V
A5V
A3.3V
A3.3V
S
-
Video
Audio_SVideo_LR
PC
Audio_PC/DVI_LR
DVI
RS232I
N
RS232 OUT

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6.2 IC layout & power map(analog board)
12
P
C
O
N.
12
P
C
O
N.
12
P
C
O
N.
12
P
C
O
N.
UPD
64083
MSP
3450G
TA2024
PCF
8591T
PCF
8574T
TEA
6425D
BA7657F
BA7657F
78D
09F
LM
2937
3.3V
3,3
LP
2961
2.5V
LM
2940
IMP8
3,3
Audio_OUT_LR Audio_DVD_LR Audio_DTV_LR DVD DTV VIDEO Woofer
TCPS9091PD27A
RF
10P CON.
78D
05F
LP
2961
2.5V
TL062
CDT
LM
2940
IMP8
3,3
A33V
A33V
12Vamp
12Vamp
12Vamp
A12V
A8V
A6V
A5V
A9V
A9V
A5V
A5V
A5V
A2.5V
A2.5V
A3.3V
A5V
A5V

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7.Panel interface
7.1 Output signal timing_60HZ
SIGNAL TIMING SIGNAL TIMING
Dot Clock 27 M HZ
H-Frequency 31.05HZ V-Frequency 59.99 HZ
H-Total 896 dots V-Total 533 H
H-Front Porch 16 dots V-Front Porch 12 H
H-Sync 12 dots V-Sync 2 H
H-Back Porch 16 dots V-Back Porch 29 H
H-Active 852 dots V-Active 480 H
H-Sync Polarity P V-Sync Polarity P
7.2 Output signal timing_50HZ
SIGNAL TIMING SIGNAL TIMING
Dot Clock 27 M HZ
H-Frequency 31.05HZ V-Frequency 50 HZ
H-Total 896 dots V-Total 639 H
H-Front Porch 10 dots V-Front Porch 12 H
H-Sync 24 dots V-Sync 2 H
H-Back Porch 10 dots V-Back Porch 135 H
H-Active 852 dots V-Active 480 H
H-Sync Polarity P V-Sync Polarity P

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7.3 Output signal timing diagram
HORIZONTAL TIMING DIAGRAM
12 D 16D 852D 16D
896D
VERTICAL TIMING DIAGRAM
2 H 12H 480H 29H(135H)
533H(639H)

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7.4 LVDS bit mapping
Pin Name signal Pin Name signal Pin Name signal Pin Name signal
TXIN0 R0 TXIN7 G0 TXIN14 G5 TXIN21 B4
TXIN1 R1 TXIN8 G1 TXIN15 B0 TXIN22 B5
TXIN2 R2 TXIN9 G2 TXIN16 B6 TXIN23 FIELD
TXIN3 R3 TXIN10 G6 TXIN17 B7 TXIN24 HSYNC
TXIN4 R4 TXIN11 G7 TXIN18 B1 TXIN25 VSYNC
TXIN5 R7 TXIN12 G3 TXIN19 B2 TXIN26 ENABLE
TXIN6 R5 TXIN13 G4 TXIN20 B3 TXIN27 R6
7.5 Panel connect pin configuration
PIN NO. signal PIN NO. signal PIN NO. signal PIN NO. signal
1 GND 9 GND 17 GND 25 N.C.
2 GND 10 GND 18 GND 26 GND
3 Txout0- 11 Txout2- 19 Txout3- 27 N.C.
4 Txout0+ 12 Txout2+ 20 Txout3+ 28 GND
5 Gnd 13 GND 21 GND 29 N.C.
6 Gnd 14 GND 22 GND 30 GND
7 Txout1- 15 TxCLKout0- 23 GND 31 N.C.
8 Txout1+ 16 TxCLKout0+ 24 GND

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8.Power interface
PIN
NUMBER
DIGITAL BOARD
INPUT POWER(CN6001)
ANALOG BOARD
INPUT POWER(CN1000)
1 A5V A6V
2 GND GND
3 D3.3V A12V
4 D3.3V GND
5 GND 12VAMP
6 GND 12VAMP
7 NC GND
8 POWER-N GND
9 GND A33V
10 STB5V GND
11 THER_DET

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9.Inspections on major ICs
9.1R8820LV(DIGITAL:U9102)-MICOM
(1)Check whether the proper power is supplied(3.3v)
(2)Check whether the No.71 Reset pin’s output is high.
(3)Check I2C-BUS (I2C :PINS 76 and 77)
(4)Check whether the inputs/outputs betwenR8820LV and MEMORY(U9101,U9103) are normal.
(5)Check whethet the 25MHZ clock is connected to pins 13 and 14.
9.2VPC3230(digital:U9513)_Check when the input mode is set for TV,VIDEO,S-VIDEO,DVD
(1)Check whether the proper power is supplied.(5v,3.3v)
(2)Check whether the No.15 Reset pin’s output is high.
(3)Check the I2C-bus(pin 13 and 14).
(4)Check whethet the output clock of llc1(pin 28) is 13.5M HZ.
(5)Check the output on VPC_h sync(pin56),VPC_VYNC(PIN57),VPC_FIELD(PIN53).
(6)Check whethet the 20.25Mhz clock is connected to pins 62 and 63.

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(7)Check the digital data outputs.
9.3 TEA6425D(ANALOG:U1002)
-VIDEO Switching IC_Check when the input mode is set for TV,VIDEO,S-VIDEO
(1)Check whether the proper power is supplied.(8v)
(2)Check the I2C bus (pin2 and pin4).
(3)Check whether the inputs/outputs are normal.
9.4 MDIN-150(digital :U9507)
-DEINTERLACE_Check when the input mode is for TV,VIDEO ,S-VIDEO,DVD.
(1)Check whether the proper power is supplied(3.3v,2.5v)
(2)Check whether the NO.209 Reset pin’s output is high.
(3)Check the I2C-bus (pins 62 and 64).
(4)Check whether the 27Mhz clock is connected to pins 186 and 187.
(5)Check whether the data inputs are normal.
VPC-CLK(pin 195):13.5MHZ,VPC_HSYNC(pin 189):15.75Khz,

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VPC_VSYNC(pin 188):60HZ,VPC_FIELD(pin 194)
(6)Check whether the data outputs are normal.
V_CLK(pin159):27MHZ,V_HYNC(pin 165):31.5Khz,V_VSYNC(pin 168):60HZ,V_ACTIVE (pin
164),D_V_VALID(pin163)
(7)Check whether the inputs and outputs between MDIN-150 and MEMORY (U9501) are normal.
9.5 TCP9091PD27A(ANALOG:U1001)_Check when the input mode is set for TV
(1)Check whether the proper power is supplied .(33V,5V)
(2)Check the I2C bus (pin 2 and 4).
(3)Check whether the inputs/outputs are normal.
9.6 AD9887AKS(digital:U9201)-A/D CONVERTER_Check when the input mode is DTV,PC,DVI.
(1)Check whether the proper power is supplied(3.3V)
(2)Check I2C bus (pins 91 and 92).
(3)Check whether the inputs/outputs are normal.
INPUT:

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PC INPUT:pin119®,110(G),100(B),81(VSYNC),82(HSYNC)
DTV INPUT:pin119(Pr),110Y,100(Pb),
DVI INPUT:pin 59(Rx1+),60(Rx1-),62(Rx0+),63(Rx0-),65(RXC+),66(RXC-),56(RX2+),57(RX2-)
OUTPUT:
Pin 134(DIN_CLK),135(DIN_ACTIVE),139(D_HSYNC),138(D_VYSNC)
9.7 ADG774BR(DIGITAL:U9202)-Switching IC_Check when the input mode is for TV and PC.
(1)Check whether the proper power is supplied (5v).
(2)Check the SEL_PIN(PIN1:DVI HIGH;PC:LOW)
(3)Check whether the inputs/outputs are normal.
9.8REMBRANDT-1A(DIGITAL:U9001)-SCALER IC-Check the all input image and SOD
(1)Check whether the proper power is supplied.(5v,3.3v,1.8v)
Because it is BGA IC ,measure the R or C parts on the power terminals.
(2)Check whether the inputs and outputs between R8820LV and MEMORY (U9006,U9007,U9008) are
normal.