Read LG 22LU50FD (CHASSIS:LC91M) Service Manual online
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BLOCK DIAGRAM
Saturn6
Saturn6
LGE3369A
LGE3369A
(IC100)
(IC100)
Serial FLASH for boot
(32M, IC103)
5 : SPI, Flash_WP_1
EEPROM
(512K, IC105)
2 :
EEPROM_SCL, SDA
HDCP EEPROM
(8K, IC107)
2 :
EEPROM_SCL, SDA
NAND FLASH
(512M, IC102)
14 : PCM_A[0:7],
---
DDR2
(512M, IC301)
45 : DDR2_D[0:15],
---
DDR2
DDR2
(1G, IC300)
(1G, IC300)
45 : DDR2_D[0:15],
---
Audio AMP
(NTP3100, IC701)
6 : I2S, MCLK,
---ƒ
2 : SCL, SDA_SUB/AMP
LCD module
(FHD 60Hz)
28 : LVDS data, PWM_DIM, LVDS/BIT_SEL, OPC_EN
1 : OPC_OUT1 (except 22inch)
Demodulator
(LG3900, IC1701)
SDRAM
(64M, IC1707)
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 2
HDMI 3
(Only 26")
(Only 26")
(SIDE)
Digital Audio (Optic)
Phone (for RGB)
USB
RS-232C :
Ctrl& SVC
(Only S/W update)
EEPROM
(2K, IC600)
EEPROM
(2K, IC602)
EEPROM
(2K, IC601)
EEPROM
(2K, IC1401)
1 : EDID_WP
12 : DATA+/-X3, CLK+/-, HPD1, V_HDMI1, DDC_SCL1/SDA1
2 : DDC_SCL1/SDA1
1 : EDID_WP
12 : DATA+/-X3, CLK+/-, HPD2, 5V_HDMI2, DDC_SCL2/SDA2
2 : DDC_SCL2/SDA2
1 : EDID_WP
12 : DATA+/-X3, CLK+/-, HPD3, 5V_HDMI3 DDC_SCL3/SDA3
2 : DDC_SCL3/SDA3
TUNER
(TDFR-Z751D,
TU1702)
2 : CVBS, DET
5 : S_Y, S_C, S_DET, CVBS, DET
4 : Y,
Pb
, Pr, DET
4 : Y,
Pb
, 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,IC1403)
MAX3232CDR
(IC1400)
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)
1 : LED_ON
2 : SCL, SDA_SUB/AMP
3 : IR, KEY1/2
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