Read LG 19LG30 / 19LG31 (CHASSIS:LA85C) Service Manual online
- 15 -
Rear AV_1
V, LR
Rear S_1
YC
IN1
IN1
Video/Audio SW
Comp_1
YPbPr/LR
CABLE
AIR
ATSC/NTSC Tuner
(TDVF-H051F)
LG Innotek
LGE1854C
MSTAR
EAN37156404
VSB/QAM
Receiver
(LGDT3304)
0ICTMLG019C
D-AMP
(YDA148-EZ)
EAN40130001
HY5DU561622F
256M (DDR)
HY5DU561622F
256M (DDR)
CLK_
25MHz
6212AB2872A
IF-P
IF-N
LVDS(8Bit)
X100
12MHz
CVBS(ATV)
TP DATA[0-7]
Audio_L
Audio_R
SIF
2
Comp1
Air : 8VSB
Cable : 256/64QAM
•RGB/YPbYr*2
•CVBS*3
•YC*2
•L/R-IN*3
•SIF
•CVBS OUT*1
•HDMI*1
R OUT
L OUT
Head Phone
PC Audio IN
PC(VGA)
RS232C(SVC only)
PC IN
L
C
D
USB(SVC only)
1.0Vp-p
96dBuV
5V
CVBS0[44]
Buffer
SIFM0
SIFP0
SIFM0[50]
SIFP0[51]
Buffer
1.2V
3.3V
IFP[3]
IFN[4]
[3]
[16]
[15]
[N:11]
[P:10]
IN[55]
OUT[54]
2
[20,22,24,26,
27,28,29,31]
TS0-7[86,87,88,89,90,91,92,93]
SCL[38]
SDA[36]
IF_AGC
IFAGC[22]
MSCL
MSDA
SCLM1[127]
SDAM1[126]
TPCLK[33]
TPSOP[34]
TPVALID[19]
TPERR[17]
TSCLK[96]
TSSYNC[95]
TSVALID[94]
IN[255]
OUT[254]
2
3.3V
1.25V
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]
12V
AUOUTR0[73]
AUOUTL0[72]
GPIO12[79]
1CH LVDS[137-146]
2CH LVDS[137-146,
150-159]
RXE
/RXO
BIN[21]SOGIN[22]GIN[23]RIN[24]
VS_RGB[17]
HS_RGB[16]
RGB_SW[80]
SCL/RX[117]
SDA/TX[116]
AUR_IN[59]
AUL_IN[58]
PB_IN[26]
SOY[29]
Y_IN[28]
PR_IN[31]
AUL_IN1[56]
AUR_IN1[57]
COMP_SW[112]
CVBS1[42]
AUL_IN0[54]
AUR_IN[55]
AV1_SW[111]
SV_C0[38]
SV_Y0[39]
S_SW[82]
6630G70016A
6630G00001A
6612F00001D
6612F00099A
EAG31022001
EAG35541101
EAG35541101
6612J10031C
Tx
/Rx
MAX3232CDR
EAN41348201
ST-5V
Tx_Out
Rx_In
R232C_Tx
R232C_Rx
EEPROM
EAN35989901
DDC_SDA/UART_TX
DDC_SCL/UART_RX
IR_RX[114]
SAR0[118]
SAR1[119]
SAR2[120]
SAR3[121]
EEPROM(512K)
24C512
EEPROM(512K)
24C512
0IMMRAL025A
SCL_EEPROM[136]
SDA_EEPROM[135]
3.3V
Flash (64M)
S25FL064A
Flash (64M)
S25FL064A
SPI_CK[129]
SPI_DI[130]
SPI_DO[131]
SPI_CZ[132]
3.3V
KEY_CTL[1,2]
Power/LIPS
Power
15V/ST-5V
[12]
SCL_TU[11]
SDA_TU[13]
SDA[7]
SCL[8]
VCOM0[45]
TUNER_CVBS
VCOM0
6612B00015C
HDMI
USB_DM[251]
USB_DP[252]
USB_OCD_N[83]
B_TX0-[4]
B_TX0+[5]
G_TX1-[7]
G_TX1[8]
R_TX2-[10]
R_TX2+[11]
TXCLK-[2]
TXCLK+[3]
HPDCTRL[12]
DDCDA_SDA[14]
DDCDA_SCL[15]
POWER_HDMI[110]
3.3V
AVDD_DVI
2.5V
VDD_DDR
G-5V
19
”/22
”
ST-5V
OP-AMP
TPA6110A20
HP_L/r[70,71]
EAN42961201
6612B00015C
EEPROM
EAN35989901
5V
BLOCK DIAGRAM
1. Main
Click on the first or last page to see other 19LG30 / 19LG31 (CHASSIS:LA85C) service manuals if exist.