System Block Diagram - Sharp LC32SB27U - LC - 32" LCD TV Service Manual

LC-32D47U/LC-32SB27U/LC-C3237U

[2] SYSTEM BLOCK DIAGRAM

SYSTEM BLOCK DIAGRAM
J
Input1 CVBS deleted
INPUT
LR
L/R
1
Component YPbPr
Vert. Insert
S Video
S-Video
INPUT
2
LR
L/R
Vert. Insert
YPbPr
Component
I
INPUT CVBS
CVBS/LR
3
L/R
Vert. Insert
UR13V
[SP]
IC2701
SP P2701
SP AMP
EXT-SP
YDA148QZ
H
L/R Disclete
Audio Out
Vert. Insert
Mute
G
+5V
TU1101
RF IN Analog/
AFT
Digital
Vert. Insert
CVBS
Tuner
F
The WXGA
machine unmounts.
+3.3V
IC9003
E UCOM_RS
RS232C TxRx
P9001
Vert. Insert RS-232C ADM3101E
No.9 pin RC Passthrough
+5V_A OPT_OUT
OPTICAL
Vert. Insert
OUT Mute
IC1304
INPUT RGB/HDMI
RGB_LR
4/5 Audio
(Mini Plug)
Vert. Insert
D
PCIN_H/V
INPUT D-SUB
PCIN_R/G/B
4 RGB
Vert. Insert
Except for
IC602
LC-32SB27U DDC1 not supported
EEPROM
INPUT
HDMI 1
7
Vert. Insert
INPUT
HDMI 2
6
Vert. Insert
C
INPUT
HDMI 3
5
Vert. Insert
The WXGA
machine unmounts.
Vert. Insert HDMI 4
The WXGA
machine unmounts.
[BM]
P2501
B (21pin)
J801
Service
USB
Horiz. Insert
A
2 3 4
1
MAIN
AMP_MUTE
STANDBY
PROTECT
Disclete HDMI_MUTE
Mute
VCOM_SDA
VCOM_SCL
P2602
+3.3V
IC2601 IC2602
SUB-SW DAC
HC2G66DP M62332FP
(100KHz)
TUN_SDA_C5/TUN_SCL_C5(100KHz 5V)
LINE_OUT_L/R
A9V +3.3V
IC161 OUT1
EXPI/O IC1301
Audio DAC
AK4341ET
N_LINE_DAC_RST
I2S
LINE_MCLK/BCLK/DAT/LRCLK
+3.3V
IC1605
In0
TMDS-SW
SII9285
In1
In2
In3
IC1801
EEPROM
5 6 7 8
IC503
RST_H8FLS_CPLD
A-SW
FLAS_W_CPLD
From CPU
WEITE_BUF
Vbrt
P2603
+3.3V
BU+3.3V
IC8454
EEPROM
BU+3.3V
256kbit
IC9002
I2C_SDA_UCOM
SUB-SW
I2C_SDA/I2S_SCL
I2C_SCL_UCOM
HC2G66DP
Thermister
CNVss
I2C AUDIO
+3.3V
TUN_I2C
SC9202
+1.8V Connector for
Panel Detect
I2C_0
+1.2V
D_IF in
SC9203
SIF
Connector for
AGC
Model Detect
RGB in
H/V
HDMIin
IC8001
HDMIin
RH-IXC677WJQZQ
25.000MHz
DTV-C5 for WXGA
X8101
X'tal
Digital AV decode & Main CPU
SPOUT_L/R
IC8251
DDR2(800)
512Mb*1
I2S
P8001
SPDIF
Connector for
DTV/SPDIF
Debugging
N_CPU_RST
zz
RESET
N_DBG_RST
N_SRESET
50MHz
+3.3V
P9301 IC8451
Serial FLASH
Connector
64Mbit
for Software
Writing
9 10 11 12
8 – 2
SHIP_EN,PNEL_EN
DETECT
BU+3.3V
IC2001
Reset
ROMSEL0
BU+3.3V FRAME,R/L,U/D,TEMP[3:0],O/S_SET
RxD,TxD
I/O
IC2002 STB
I/O Von
STB_CPU
IC2004
R8C/2A
Gate
7WH126FU IXC165WJ
From CPU
RxD,TxD
UART
Monitor Micom
I2C
AFT
A/D
THERMO
A/D
Vbrt
16MHz
ERR_PNL
16MHz
Xtal
PNL_DET[1-0] AC_DET
I/O
MODEL_A[1-0] I/O
DET_10V
I/O
PM_REQ, CBOOTS The WXGA
N_SRESET machine unmounts.
INT0 A/D I/O
I/O
SYNC_DET
VCOM_WP
LCDC-EN
VCOM_SDA
VCOM_SCL
BackUp Line
BU+5V
BU+3.3V
MAIN Line
A9V
5V
D3.3V
UR13V
D2.6V
D1.2V BU5V
Power Circuit
PNL_ON
From CPU
BU+3.3V
[KM] P2002(4p) [RA] P2003(10p)
[KM] P151 (4p) [RA] P101(7p)
KEY
LED
MENU
R/C
POWER
OPC
INPUT SELECT
POW_LED
Ch-Up/Down
Vol-Up/Down
13 14 15 16
PANEL
C-PWB
[LP] CN4
(15pin )
POWER INV
17 18 19