Read LG 32LG30D (CHASSIS:LB81A) Service Manual online
- 19 -
BLOCK DIAGRAM
Side Y/C
Rear CVBS
CVBS_Out
IN1
IN3
IN1
IN3
OUT1
Side CVBS
ANT
DVB/PAL Tuner
(TDVS-H702P)
LG Innotek
M-STAR
(MST2379A/LGE7363C)
D-AMP
(YDA138)
0IPRPTI030B
HeadPhone
LVDS(8Bit)
X-TAL 12Mhz
6212AA2004F
TV_CVBS+(1.8Vp-p)
$0.86
Audio_L
Audio_R
SIF+(96dBuV)
IN2
Air : DVB/PAL
•RGB/YPbYr*2
•CVBS*2
•YC*1
•L/R-IN*3
•SIF
•CVBS OUT*1
R OUT
L OUT
0IMMR00141A
HeadPhone
PC(VGA)
RS232C(Debug)
L
C
D
USB(SW Upgrade)
CVBS0P
SIF_IN1P
SCL_D_TU
SDA_D_TU
TU_TS_CLK
TU_TS_SYNC
TU_TS_VAL
TS1_CLK
TS1_SYNC
TS1_VLD
IN[A2]
OUT[A1]
2
3.3V
1.8V
HP_OUT_L[42]
HP_OUT_R[1]
OUT_P_R[8]
OUT_N_R[14]
OUT_P_L[35]
OUT_N_L[29]
IN_L[38]
IN_R[5]
HP_DET[37]
MUTE[6]
AUOUTR0[80]
AUOUTL0[79]
GPIO12[45]
LVDS[177-190,
194-199]
RXE
/RXO
BIN[1]SOGIN[2]GIN[3]RIN[4]
VS_RGB[7]
HS_RGB[8]
SCL/RX[33]
SDA/TX[34]
DM_DET[
PB_IN[11]
SOY[13]
Y_IN[14]
PR_IN[16]
AUL_IN1[70]
AUR_IN1[71]
CVBS1[30]
AUL_IN0[68]
AUR_IN[69]
SV_C0[25]
SV_Y0[26]
GPIO15[48]
6612F00099A
$0.27617
EAG31022001
$0.185
Tx
/Rx
(IC603)
MAX3232CDR
Tx_Out
Rx_In
R232C_TXD
R232C_RXD
EEPROM
AT24C028N
DDC_SDA/UART_Tx
DDC_SCL/
UART_Rx
IR_RX[57]
SAR0[201]
SAR1[202]
SAR2[203]
SAR3[204]
EEPROM(32K)
24C32
0IMMRAL025A
ROMSCK[35]
ROMSD[36]
5V
Flash(8M*2)
SPI_CK[171]
SPI_DI[172]
SPI_DO[173]
SPI_CZ[174]
EAN32213401
3.3V
KEY_CTL[1,2,3]
MP1593DN-LF
0IPMG00063A
$0.46
12V
5V
Power/LIPS
20
”BCM : $20
23
”BCM : $18
20
”BB3 : $12
23
”BB3 : $18
Power
32K -->
512K
TU_TS_DATA[0]
2.5V
TS1_D0
SCL_A_TU
SDA_A_TU
Video SW
(IC500,
STMAV340)
Comp_1
YPbPr
Comp_2
YPbPr
Comp_Y
Comp_Pb
Comp_Pr
3
3
HY5DU561622
(DDR)
2.5_DDR
HY5DU561622
(DDR)
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