Read LG 42LH45YD (CHASSIS:LC91B) Service Manual online
- 16 -
BLOCK DIAGRAM
Saturn6
LGE3369A
(IC100)
Saturn6
Saturn6
LGE3369A
LGE3369A
(IC100)
(IC100)
Serial FLASH for boot
(32M, IC103)
Serial FLASH for boot
Serial FLASH for boot
(32M, IC103)
(32M, IC103)
5 : SPI, Flash_WP_1
EEPROM
(512K, IC105)
EEPROM
EEPROM
(512K, IC105)
(512K, IC105)
2 :
EEPROM_SCL, SDA
HDCP EEPROM
(8K, IC107)
HDCP EEPROM
HDCP EEPROM
(8K, IC107)
(8K, IC107)
2 :
EEPROM_SCL, SDA
NAND FLASH
(512M, IC102)
NAND FLASH
NAND FLASH
(512M, IC102)
(512M, IC102)
14 : PCM_A[0:7],
°¶
DDR2
(512M, IC301)
DDR2
DDR2
(512M, IC301)
(512M, IC301)
45 : DDR2_D[0:15],
°¶
DDR2
(1G, IC300)
DDR2
DDR2
(1G, IC300)
(1G, IC300)
45 : DDR2_D[0:15],
°¶
Audio AMP
(NTP3100, IC701)
Audio AMP
Audio AMP
(NTP3100, IC701)
(NTP3100, IC701)
6 : I2S, MCLK,
°¶
2 : SCL, SDA_SUB/AMP
Demodulator
(LGDT3900, IC1200)
Demodulator
Demodulator
(LGDT3900, IC1200)
(LGDT3900, IC1200)
SDRAM
(64M, IC1201)
SDRAM
SDRAM
(64M, IC1201)
(64M, IC1201)
4 : TS_SERIAL,
°¶
2 : FE_DEMOD_
SCL/SDA
2 : TU_IF_OUT+/-
1 : FE_MAIN(CVBS)
1 : FE_SIF
Comp 1
Comp 2
AV 1
AV 2(SIDE)
RGB
Comp 1
Comp 2
AV 1
AV 2(SIDE)
HDMI 1
HDMI 3
(SIDE)
Digital Audio (Optic)
Phone (for RGB)
USB 2.0(SIDE)
RS-232C :
Ctrl& SVC
EEPROM
(2K, IC600)
EEPROM
EEPROM
(2K, IC600)
(2K, IC600)
EEPROM
(2K, IC601)
EEPROM
EEPROM
(2K, IC601)
(2K, IC601)
EEPROM
(2K, IC400)
1 : EDID_WP
12 : DATA+/-X3, CLK+/-, V_HDMI1, DDC_SCL1/SDA1
2 : DDC_SCL1/SDA1
12 : DATA+/-X3, CLK+/-, HPD3, 5V_HDMI3 DDC_SCL3/SDA3
2 : DDC_SCL3/SDA3
TUNER
(TDFR-Z751D,
TU1100)
TUNER
TUNER
(TDFR-Z751D,
(TDFR-Z751D,
TU1100)
TU1100)
2 : CVBS, DET
5 : S_Y, S_C, S_DET, CVBS, DET
4
: Y
,
P
b
, Pr,
DET
4
: Y
,
P
b
, Pr,
DET
1 : EDID_WP
8 : R, G, B, H/VSYNC, DET, ISP_RXD/TXD
2 : ISP_RXD/TXD
2 : L/R
2 : L/R
2 : L/R
2 : L/R
2 : L/R
1 : SPDIF_OUT
OCP
(MP6211,IC402)
MAX3232CDR
(IC403)
MAX3232CDR
MAX3232CDR
(IC403)
(IC403)
2 : DBG_
RX/TX
2 : SIDE_USB_DM/DP
2 : DBG_
RX/TX
1 : 5V_USB
2 : USB_CTL,
USB_OCD
Sub
(IR/LED, Control)
Sub
Sub
(IR/LED, Control)
(IR/LED, Control)
1 : LED_ON
2 : SCL, SDA_SUB/AMP
3 : IR, KEY1/2
HDMI 2
Switch
(TMDS351, IC603)
Switch
Switch
(TMDS351, IC603)
(TMDS351, IC603)
EEPROM
(2K, IC602)
EEPROM
EEPROM
(2K, IC602)
(2K, IC602)
FRC
(LGE7329A, IC900)
FRC
FRC
(LGE7329A, IC900)
(LGE7329A, IC900)
DDR2
DDR2
(512M, IC1000)
(512M, IC1000)
DDR2
DDR2
(512M, IC1001)
(512M, IC1001)
45 : DDR2_D[0:15],
°¶
45 : DDR2_D[0:15],
24: LVDS data 50/60Hz
LCD module (Scanning BLU)
LCD module (Scanning BLU)
LCD module (Scanning BLU)
PWM_DIM,
LVDS/BIT_SEL,
OPC_EN
OPC_OUT1/2
LIPS(42/47),PSU(55)
LVDS data 100/120Hz
Click on the first or last page to see other 42LH45YD (CHASSIS:LC91B) service manuals if exist.