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Sharp LC32SB27U Service Manual - Page 99

Sharp LC32SB27U - LC - 32" LCD TV Manual

UPC - 074000372115

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MAIN Unit-12 (LC-32SB27U) J TO MAIN13(POWER1) D3.3V BU3.3V 5V *P9001 NA173WJ BUS CONN I 3.3 BU3.3V 1 0.0 RXD_RS232C 2 3.3 TXD_RS232C 3 0.0 GND 4 *D9004 EX1234CE 3.6V *D9008 EX1234CE 3.6V GND_B *D9006 EX1234CE 3.6V TO MAIN7(UCOM) RXD1_UCOM_RS H TXD1_UCOM_RS TO MAIN8(CPU) RXD1_UCOM_RS232 TXD1_UCOM_RS232 R9006 22 R9009 22 R9016 22 R9017 22 R9004 4.7K R9035 4.7K R9008 *R9005 4.7K 4.7K CZ CZ TO MAIN8(CPU) G RXD0_UCOM_CPU TXD0_UCOM_CPU TO MAIN7(UCOM) RXD0_UCOM_CPU TXD0_UCOM_CPU F MAIN12 (CONN) LC-32D47U/LC-32SB27U/LC-C3237U [12/14] MAIN UNIT 12/14 DUNTKF030WE TO MAIN7(UCOM) R9013 100K CZ R9018 15K CZ E TO MAIN7(UCOM) PNL_DET0 PNL_DET1 D MODEL_A0 C MODEL_A1 B A 1 2 R9012 100K CZ R9014 15K CZ R9030 10K CZ R9028 22K CZ R9027 47K CZ R9029 100K CZ SC9003 WA715WJQZ 1 2 3 4 5 6 7 8 9 10 GND_B 3 4 5 6 7 8 9 10 11 10 - 25 TO MAIN10(CPU) TUN_SCL_C5 TUN_SDA_C5 TO MAIN10(CPU) I2C_SCL I2C_SDA R9010 3.3K R9011 3.3K R9007 10K R9003 10K TO MAIN1(TUNER) TUN_SCL_C5 TUN_SDA_C5 TO MAIN6(PANEL) I2C_SCL I2C_SDA TO MAIN5(HDMI_SW1) I2C_SCL I2C_SDA IC9002 HC2G66DP 1 VCC 8 2 7 3 6 4 GND 5 I2C Bus SW C9004 0.1u 10V GND_B R9015 10K R9031 10K R9032 10K TO MAIN7(UCOM) BUS_SELECT I2C_SCL_UCOM I2C_SDA_UCOM TO MAIN10(EEPROM) I2C_SCL_UCOM I2C_SDA_UCOM 12 13 14 15 16 17 18 19

Section	Page
V0D0044201.pdf	2
IMPORTANT SERVICE SAFETY PRECAUTION	2
WARNING	2
BEFORE RETURNING THE RECEIVER (Fire & Shock Hazard)	2
PRECAUTIONS A PRENDRE LORS DE LA REPARATION	3
PRECAUTIONS FOR USING LEAD-FREE SOLDER	4
Employing lead-free solder	4
Using lead-free wire solder	4
Soldering	4
V0D0044202.pdf	5
[1] SPECIFICATIONS	5
V0D0044203.pdf	6
[1] OPERATION MANUAL	6
V0D0044204.pdf	14
[1] DIMENSIONS (LC-32D47U/LC-32SB27U)	14
[2] DIMENSIONS (LC-C3237U)	15
V0D0044205.pdf	16
[1] REMOVING OF MAJOR PARTS	16
1. Removing of Stand Unit and Rear Cabinet Ass’y.	16
2. Removing of Speaker L/R, Control Button Ass’y, Front Cabinet Ass’y, LED Unit and KEY Unit.	17
3. Removing of Main PWB Shield and Side Cover Ass’y.	18
4. Removing of Connectors.	19
5. Removing of POWER Unit, MAIN Unit, Support Angle, Power PWB Angle, Main PWB Anglr R/L/M and LCD Fix Angle-T/B.	20
6. Removing of 32\	21
V0D0044206.pdf	22
[1] ADJUSTMENT PROCEDURE	22
1. After replacement of any PWB unit and/or IC for repair, please note the following.	22
2. Upgrading of each microprocessor software	22
3. Entering and exiting the adjustment process mode	33
4. Remote controller key operation in adjustment process mode	33
5. List of adjustment process mode menu	34
6. Video signal adjustment procedure	42
7. Adjustment of white balance	44
8. Initialization of factory settings	44
9. Model number ID plug	45
[2] PUBLIC MODE SETTING PROCEDURE	46
1. How to start Public Mode	46
2. How to exit Public Mode	46
3. Public Mode Setting Values	46
4. Public Mode Menu	47
5. On Setting Items	48
V0D0044207.pdf	51
[1] TROUBLESHOOTING TABLE	51
V0D0044208.pdf	65
[1] MAJOR IC INFORMATIONS	65
1. MAJOR IC INFORMATIONS	65
V0D0044209.pdf	67
[1] OVERALL WIRING DIAGRAM	67
[2] SYSTEM BLOCK DIAGRAM	68
V0D0044210.pdf	69
[1] MAIN Unit	69
[2] KEY Unit	73
[3] LED Unit	74
V0D0044211.pdf	75
[1] DESCRIPTION OF SCHEMATIC DIAGRAM	75
1. VOLTAGE MEASUREMENT CONDITION:	75
2. INDICATION OF RESISTOR & CAPACITOR:	75
[2] SCHEMATIC DIAGRAM	76
V0D0044212.pdf	107
[1] PRINTED WIRING BOARD ASSEMBLIES	108
[2] LCD PANEL	108
[3] DUNTKF030FM08/FM12/FM13 (MAIN Unit)	108
[4] DUNTKF069FM03 (KEY Unit)	119
[5] DUNTKF115FM01 (LED Unit)	119
[6] CABINET AND MECHANICAL PARTS	120
[7] LCD MODULE Assembly	122
[8] SUPPLIED ACCESSORIES	124
[9] PACKING PARTS (NOT REPLACEMENT ITEM)	126

Match case Limit results 1 per page

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

10 – 25

MAIN Unit-12

(LC-32SB27U)

I2C_SDA

I2C_SCL

D3.3V

TXD0_UCOM_CPU

RXD0_UCOM_CPU

TXD0_UCOM_CPU

RXD0_UCOM_CPU

*R9005

4.7K

R9010

3.3K

R9011

3.3K

BU3.3V

I2C_SDA

I2C_SCL

R9007

10K

R9003

10K

R9008

4.7K

RXD1_UCOM_RS

TXD1_UCOM_RS

R9006

R9009

TUN_SDA_C5

TUN_SCL_C5

TUN_SDA_C5

TUN_SCL_C5

GND_B

SC9003

WA715WJQZ

PNL_DET0

PNL_DET1

MODEL_A1

MODEL_A0

R9013

100K

R9018

15K

R9012

100K

R9014

15K

R9027

47K

R9029

100K

R9028

22K

R9030

10K

I2C_SCL

I2C_SDA

R9035

4.7K

R9004

4.7K

*P9001

NA173WJ

BUS CONN

BU3.3V

RXD_RS232C

TXD_RS232C

GND

*D9004

EX1234CE

3.6V

*D9008

EX1234CE

3.6V

*D9006

EX1234CE

3.6V

GND_B

HC2G66DP

I2C Bus SW

GND

VCC

C9004

0.1u

10V

R9015

10K

I2C_SCL_UCOM

I2C_SDA_UCOM

I2C_SCL_UCOM

I2C_SDA_UCOM

BUS_SELECT

GND_B

RXD1_UCOM_RS232

TXD1_UCOM_RS232

R9016

R9017

R9032

10K

R9031

10K

TO MAIN13(POWER1)

TO MAIN8(CPU)

TO MAIN7(UCOM)

TO MAIN6(PANEL)

TO MAIN7(UCOM)

TO MAIN1(TUNER)

TO MAIN10(CPU)

TO MAIN5(HDMI_SW1)

TO MAIN10(CPU)

TO MAIN7(UCOM)

TO MAIN10(EEPROM)

TO MAIN8(CPU)

[12/14]

DUNTKF030WE

IC9002

MAIN12 (CONN)

MAIN UNIT 12/14

TO MAIN7(UCOM)

3.3

0.0

3.3

0.0