Haier P42S6A-C2, P42S6A-C1 Service Manual
HAIER
COLOR TELEVISION
SERVICE MANUAL
PART # TV-8888-34
HAIER AMERICA TRADING, LLC
www.haieramerica.com
1
Service Manual
Haier
Service Manual
For P42S6A-C1 / P42S6A-C2
●●●●
●●●● Built in tuner
Features
●●●●
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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Service Manual
Haier
Content
Contents………………………………………………………………………….2
2.Features
3.Safety measures and Attention
4.Block Diagram
……………………………………………………………………….3
………………………………………….4
………………………………………………………………..5
5.IC description ……………………………………………………………….…7
6.IC layout &power map………………………………………………………10
6.1 IC layout & power map(digital board)
6.2 IC layout & power map(analog board)
7.Panel interface
…………………………………………………………….12
…………………………..10
………………………….11
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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Service Manual
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
●●
Haier
● 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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Service Manual
3. Safety measures and Attention
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Service Manual Haier
VPC_S_RST_N_51
RM1_IRQ_53
POWER_N_54
IR_INT1_55
CPU_UCS_N_57
IR_INT0_56
CPU_LCS_N_58
V_SUB_EN_N_59
V_MAIN_EN_N_60
PIN_DET_N_62
PD_LVDS_N_65
KEY_EN_N_65
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
SCL_TMR
SDA_TMR
SDA_STB
SCL_STB
SCL1
SDA1
4. BLOCK DIAGRAM
DVI_SCL
DVI_SDA
DVI_V
DVI_H
DVI_RX2 +
DVI_RX2 -
DVI_RX1 +
DVI_RX1 -
DVI_RX0 +
DVI_RX0 -
PC_V
PC_H
PC_R
PC_G
PC_B
PC_SCL
PC_SDA
DTV_Y
DTV_Pb
DTV_Pr
DVD_Y
DVD_Pb
DVD_Pr
COMP1_DVD_SEL
S-Video_Y
S-Video_C
3D_Y
3D_C
Video_CVBS
AIR
AFT
Tuner
0xC2
PCF
8591T
Tuner_CVBS
3D_Y
3D_C
24C21
24C21
SCL1
SDA1
74HC
PC_AUDIO_SEL_N CPU_VSYNC
ADG774
DTV_Y
DTV_Pb
DTV_Pr
BA7657
(option)
BA7657
(option)
TEA6425
0x96
UPD
64083
0xB8
HDTV_SEL
VPC_M_RST_N
DVD_Y
DVD_Pb
DVD_Pr
C
Y
CVBS
CVBS
4052
R/Y_IN
G/Pb_IN
B/Pr_IN
R/G(SOG)_IN
VPC3230
MAIN
0x88
VPC3230
SUB
0x8E
(option)
CPU_HSYNC
KEY_EN_N
CPU_RD_N
VPC_Y[0:7]
VPC_C[0:7]
VPC_VS
VPC_HS
VPC_LLC1
VPC_FLD
74LCX74
DFF_FLD
SUB_Y[0:7]
SUB_C[0:7]
SUB_VS
SUB_HS
SUB_LLC2
SUB_FLD
VPC_S_RST_N
AD9887
0x98
PC/DVI_L/R
S-Video_L/R
DTV_L/R
DVD_L/R
Video_L/R
Tuner_SIF
D_IN[0:7]
D_IN[8:15]
D_IN[16:23]
D_ACTIVE
DIN_CLK
D_HSYNC
D_VSYNC
PIN_DET_N
V_OE_N
FLI2200
0xC0
FLI_RST_N
74HC02
74HC02
V_IN[0:7]
V_VS
V_HS
VCLK
V_ACTIVE
V_VALID
74HC
4052
74ACT244 74ACT244 74ACT244
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MSPG
3450G
0x80
VIDEO_DET
SVHS_DET
DVD_DET
DTV_DET
PC_DET
DVI_DET
THER_DET
ENTER
SOURCE
MENU
VOL -
VOL +
CH -
CH +
POWER
74ACT244
74ACT244
74ACT244
74ACT244
74ACT244
V_MAIN_EN_N
TL062
CDT
74HC244
74HC244
TA2024
CPU_D[0:7]
V_SUB_EN_N
RM-1A
G_Port
V_Port
SCL_TMR_
OP_A[0:23]
OP_HSYNC
OP_VSYNC
OP_ENABLE
CLK_OUT
PD_LVDS_N
TX1
RX1
TX2
RX2
PHONE_TX
PHONE_RX
DS90C
385
PCF
8573T
CPU
MAX
232A
TxOUT0 -
TxOUT0 +
TxOUT1 -
TxOUT1 +
TxOUT2 -
TxOUT2 +
TxOUT3 -
TxOUT3 +
TxCLKOUT-
TxCLKOUT+
01_CPU_RXD0
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
13_X1
14_X2
16_RM1_CLK_IN
17_25MHz_AD9887
19~40_A[19:0]
42_WHB
43_WLB
44_HLDA
45_HOLD(GND)
46_HW_MONITOR
47_NMI(GND)
48_WRITE_PROTECT
49_RM1_RST_N
50_RM1_CS_N
PCF
8574T
CPU_TXD0
CPU_RXD0
CPU_RXD1
CPU_RXD1
FI_WE
31P_HF
24C16
Analog
PWR
Digital
PWR
P0_COMP1_DVD_SEL
P1_MUTE
P2
P3
P4
P5
P6
P7
10P
11P
A6V
GND
A12V
GND
12Vam
12Vam
GND
GND
A33V
GND
A5V
GND
D3.3V
D3.3V
GND
GND
NC
POWER_N
GND_STB
STB_5V
THER_DET
5. IC DESCRIPTION
ANALOG DEVICES
Name Package Description Manufacture
KIA78D05F DPAK Regulator
KIA78D09F DPAK Regulator
LP3961EMP-2.5 SOT 223-5 Regulator
LM1086ISX_3.3V TO-263 Regulator
LP3961EMP-1.8 SOT 223-5 Regulator
R8820LV PQFP 80
M29W160DB TSOP FLASH MEMORY
M24C16 SOP 8 EEPROM
74VHC08 SOP 8 2 input AND Gate
Service Manual
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
RGB Graphics Processing
Scan Converters
Aanlog Interface
1) 140 MSPS Maximum Conversion Rate
2) 330 MHz Analog Bandwidth
MQFPAD9887KST
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"
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KEC
NATIONAL
NATIONAL
NATIONAL
RDC
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ST
FAIRCHILD
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