Samsung HLR4677WX/XAA Service Manual page 20

Alignment and Adjustments
CN257
Connecting the audio / video signal from the rear input terminal
Pin Name PIN No.
MAIN_Y 1
MAIN_C 3
SUB_Y_V 5
SUB_C 7
DTV_CVBS 9
COMP1_Y 11
COMP1_Pb 13
COMP1_Pr 15
COMP2_Y 17
COMP2_Pb 19
COMP2_Pr 21
MTNR_CVBS 23
MTNR_SIF 25
STNR_CVBS 27
STNR_SIF 29
CN267
Connecting Power
Pin Name PIN No.
5VA 1
GND 3
33VB 5
GND 7
POWER-SW 9
5.7VB 11
GND 13
12VB 15
GND 17
12VB 19
GND 21
GND 23
2-16
Pin Name
2 GND
4 GND
6 GND
8 GND
10 GND
12 GND
14 GND
16 GND
18 GND
20 GND
22 GND
24 GND
26 GND
28 GND
30 GND
Pin Name
2 POWER-MUTE
4 S16VB
6 GND
8 S16VB
10 GND
12 5.7VB
14 GND
16 12VB
18 GND
20 12VB
22 GND
24 70VB
CN258
Connecting the control signal between Digital and Analog
Pin Name PIN No.
TxDM 1
RxDM 3
GND 5
SDA_A 7
SCL_A 9
I2SCLK 11
I2S_WS 13
USB_POS 15
USB_NEG 17
SOUND_RESET 19
DDP_READY 21
PWRGOOD 23
DTV_L 25
DTV_R 27
GND 29
CN270
Connecting Power
Pin Name PIN No.
5VA
GND
5VA
GND
12VA
GND
12VA
GND
30VA
POD-SW
Pin Name
2 ATI-I2S-WS
4 ATI-I2S-DATA
6 ATI-I2S-CLK
8 GND
10 SDA_DMD
12 SCL_DMD
14 GND
16 I2S_DATA
18 CPU_INIT
20 CPU_RESET
22 RESET_D
24 MD_nRESET
26 LAMP_ERROR
28 DLP_SYNCVAL
30 GND
1
2
3
4
5
6
7
8
9
10
Samsung Electronics