Sanyo LCD-42XF4 Manual de usuario

SERVICE MANUAL LCD Television

N5CV

FILE NO.

Model No. LCD-42XF4

(Argentina)

Give complete “SERVICE REF. NO.” for parts order

or servicing. It is shown on the rating label at the

cabinet back of the unit.

This T.V. receiver will not work properly in for-

eign countries where the television transmis-

sion system and power source differ from the

design specifications. Refer to the specification

table.

Service Ref. No. LCD-42XF4-00

Product Code:113011616

Original Version

Chassis Series: UH3-L

Contents

SafetyNotice ................................. 2

Specifications................................. 3

Chassis Block Diagrams . . . . . . . . . . . . . . . . . . . . . . 4-5

IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

On-screen Service Menu System . . . . . . . . . . . . . . 9-15

ServiceAdjustments........................... 16

Mechanical Disassembly . . . . . . . . . . . . . . . . . . . . 17-22

CabinetPartsList............................. 23

Chassis Electrical Parts List. . . . . . . . . . . . . . . . . . 25-36

Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . . . 37-41

ECO

MAIN/SUB

CHANGE

BACK

PIP

BASS

SOUND

VIDEO MODE

POWER

RECALL

DISPLAY

MUTE

AUDIO MODE

SLEEP

IMAGE

ZOOM

SURROUND

Safety Notice

-2-

Safety Precautions

The following precautions must be observed.

1: Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the

cabinet or on the chassis.

2: When replacing a chassis in the cabinet, always be certain that all the protective devices are installed

properly, such as, control knobs, adjustment covers or shields, barriers, etc..

DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND PROPERLY

SECURED.

3: Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or

tools have been left inside.

Before returning any television to the customer, the service personnel must be sure that it is completely safe to

operate without danger of electrical shock.

Product Safety Notice

Product safety should be considered when a component replacement is made in any area of a receiver.

Components indicated by mark in the parts list and the schematic diagram designate components in which

safety can be of special significance. It is particularly recommended that only parts designated on the parts list

in this manual be used for component replacement designated by mark . No deviations from resistance

wattage or voltage ratings may be made for replacement items designated by mark .

Specifications

-3-

Power Source AC 100 - 240 Volts, 50/60 Hz

Receiving System PAL-N, PAL-M, NTSC

Channel Coverage ANTENNA mode

VHF: CH02 - CH13

UHF: CH14 - CH69

CATV mode

VHF band: CH01-CH13

MID band: CH14-CH22

SUPER band: CH23-CH36

HYPER band: CH37-CH64

ULTRA band: CH65-CH94 and CH100-CH125

Low MID band: CH95-CH99

Aerial Input Impedance 75 Ω

LCD panel

Screen Size (Measured Diagonally): 42 inches

Picture Resolution: 1920 (Horiz..) x 1080 (Vert.) pixels

Brightness: 500 cd/m2

Audio Output (RMS) 9 W + 9 W

Speaker Size 6 cm x12 cm x 2 pcs

Input and Output Terminals

AV1 Input Video Input: Composite video Input (RCA Jack) x1

S-Video Input: DIN 4-pin Jack x1

Audio Input: L/R Stereo Input (RCA Jack) x 1 set

AV2 Input Video Input: Component Y (combined with composite video input), CB, CR Input (RCA Jack) x1 set

Audio: L/R Stereo Input (RCA Jack) x 1 set

HDMI Input HDMI Terminal 19 pin x2

PC Input Video Input: D-SUB 15 pin x1

Audio Input: Mini stereo jack x 1

Output Terminals Video Monitor Output: RCA jack x 1

Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set

Headphone Jack : Mini stereo jack x1

Dimensions (W x H x D) Model LCD-42XF4: 1049 x 758 x 270 mm (including stand)

Weight (NET) Model LCD-42XF4: < 25.2kg (include stand)

Environmental Considerations

Operating Temperature 0˚C ~ 40˚C (32˚F ~ 104˚F)

Operating Humidity 20 ~ 80%

Storage Temperature -10˚C ~ 50˚C (14˚F ~ 122˚F)

Storage Humidity 20 ~ 80%

Specifications subject to change without notice.

-4-

Chassis Block Diagram

MAIN SIGNAL PROCESSING CIRCUIT

24LC64

-5-

Chassis Block Diagram

POWER SUPPLY IC (STRW6753)

-6-

IC Block Diagrams (On the ASSY, PWB, MAIN)

<TOP_VIEW>

MST6U89DL-LF

IC900

AUVRADN

AUVRADP

AUVREF

150

MADR[8]

151

MADR[9]

152

MADR[10]

153

MADR[11]

154

AD[0]

155

AD[1]

AVDD_AU

156

AD[2]

AUL0

157

AD[3]

AUR0

158

AD[4]

AUL1

159

AD[5]

AUR1

AUCOM

AUL2

AUR2

AUL3

AUR3

160

AD[6]

161

AD[7]

162

WRZ

163

RDZ

164

ALE

165

VDDP

AUMONO

166

GND

AUOUTL3

167

SCK

AUOUTR3

168

SDI

AUOUTL2

169

CSZ

AUOUTR2

AUOUTL1

AUOUTR1

AUOUTL0

AUOUTR0

GPIOF[0]

170

SDO

171

SAR0

172

SAR1

173

SAR2

174

SAR3

175

PWM0

GPIOF[1]

176

PWM1

GPIOF[2]

177

DDCR_DA

GPIOF[3]

178

DDCR_CK

GPIOF[4]

179

DDCA_DA

GPIOF[5]

GPIOF[6]

GPIOG[7]

GPIOF[8]

GPIOF[9]

VDDP

RXB1N

180

DDCA_CK

RXB1P

181

INT

GND

182

IRIN

RXB2N

183

VDDP

RXB2P

184

GND

HPLUGB

185

VDDC

DDCDB_D

186

GPIOB[6]

DDCDB_C

187

USB_VBUS

RXACKN

188

USB_DM

189

USB_DP

190

USB_CID

191

PWM2

192

PWM3

193

VDDC

194

VDDP

195

LVA4P

196

LVA4M

197

LVA3P

198

LVA3M

199

LVACKP

200

LVACKM

201

LVA2P

202

LVA2M

203

LVA1P

204

LVA1M

205

LVA0P

206

LVA0M

207

VDDP

208

GND

209

LVB4P

210

LVB4M

211

LVB3P

212

LVB3M

213

LVBCKP

214

LVBCKM

215

LVB2P

216

LVB2M

217

LVB1P

218

LVB1M

219

LVB0P

220

LVB0M

221

VDDP

222

GND

223

GPIOE[3]

224

GPIOE[2]

225

GPIOE[1]

226

GPIOE[0]

227

ICLK

228

IDE

229

IHSYNC

230

IVSYNC

231

DI[0]

RXACKP

232

DI[1]

GND

233

DI[2]

234

DI[3]

RXA0N

235

VDDP

RXAOP

236

DI[4]

AVDD_DV1

237

DI[5]

RXA1N

238

DI[6]

RXA1P

239

DI[7]

GND

RXA2N

RXA2P

100

GND

101

VDDC

102

DQS[1]

240

VDDC

103

MDATA[15]

241

GND

104

MDATA[14]

242

DI[8]

HPLUGA

105

GND

243

DI[9]

REXT

106

MDATA[13]

244

DI[10]

DDCDA_D

107

MDATA[12]

245

DI[11]

DDCDA_C

108

VDDM

246

DI[12]

HSYNC1

109

MDATA[11]

247

DI[13]

VSYNC1

248

HWRESET

VCLAMP

249

XOUT

REFP

REFM

BIN1P

110

MDATA[10]

111

MDATA[9]

112

MDATA[8]

250

XIN

113

GND

251

AVDD_MPLL

114

VDDM

252

RXBCKN

115

MDATA[7]

SOGIN1

253

RXBCKP

116

MDATA[6]

GIN1P

254

AVDD_DVI

117

MDATA[5]

RIN1P

255

RXB0N

118

MDATA[4]

VCOM2

256

RXB0P

119

VDDM

BIN0P

VCOM2

GIN0P

SOGIN0

RIN0P

AVDD_ADC

120

MDATA[3]

121

MDATA[2]

122

MDATA[1]

123

MDATA[0]

124

DQS[0]

125

LDQM

GND

126

UDQM

HSYNC0

127

MVREF

VSYNC0

128

MCLKE

VSYNC2

129

MCLKZ

BIN2P

SOGIN2

GIN2P

RIN2P

48 C1

49 Y1

130

MCLK

131

BADR[1]

132

BADR[0]

133

RASZ

134

GND

135

VDDM

50 C0

136

AVDD_MEMPL

51 Y0

137

CASZ

CVBS3

138

WEZ

CVBS2

139

MADR[0]

CVBS1

VCOM1

CVBS0

VCOM0

AVDD_ADC

CVBSOUT1

140

MADR[1]

141

MADR[2]

142

MADR[3]

143

MADR[4]

144

MADR[5]

145

MADR[6]

CVBSOUT0

146

MADR[7]

GND

147

VDDM

SIF0P

148

GND

AVDD_SIF

149

VDDC

SIF1P

SIFM

GND

257

BIDIRECT

DGND

IC900 MST6U89DL-LF

-7-

IC Block Diagrams (On the ASSY, PWB, MAIN)

IC800 HY5DU281622FTP

IC Block Diagrams (On the ASSY, PWB, MAIN)

-8-

IC403 YDA138A20

-9-

On-screen Service Menu System

General

This set has an On-screen Service Menu System included in the CPU that allows remote operation for most of the

service adjustments.

■ How to select the service item and adjust data:

On-screen Service Menu System

Quick operation is needed to enter Service Mode.

■ How to enter the Service Menu

1. Press and hold the MENU button on Side Controls.

2. Keep pressing the MENU button and press the MUTE button on the remote control, and the FACTORY MENU

will be displayed.

3. Select SERVICE by pressing or button and then press +or

button to enter SERVICE menu.

ECO

MAIN/SUB

CHANGE

BACK

PIP

BASS

SOUND

VIDEO MODE

POWER

RECALL

DISPLAY

MUTE

AUDIO MODE

SLEEP

IMAGE

ZOOM

SURROUND

ECO

MAIN/SUB

CHANGE

BACK

PIP

BASS

SOUND

VIDEO MODE

POWER

RECALL

DISPLAY

MUTE

AUDIO MODE

SLEEP

IMAGE

ZOOM

SURROUND

To adjust data:

1) Select “DATA” line by pressing or button.

■ To exit service mode

Press BACK button or MENU button to exit service mode.

Note: The all adjusted data in service mode will be memorized into EEPROM automatically.

2) Press +or

button to adjust data.

Open or close the On-Screen Menu.

MENU button

Side Controls

[ Service Mode Menu ]

SERVICE

INDEX-007 575P SUB- COLOR

ADDR. 09AB

DATA 00 00000000

Data Value

Item Name

Address

SERVICE

INDEX-007 575P SUB- COLOR

ADDR. 09AB

DATA 00 00000000

-10-

On-screen Service Menu System

■ Service Adjustment Data Table

Item Name Initial data IC Description

575i　SUB-CONT 00H MST6U89

575i SUB-BRIGHT 00H MST6U89 DVD Input

575i SUB-COLOR 00H MST6U89 Input Video Format： 575i

575i SUB-TINT 00H MST6U89 (Difference）

575i SUB-SHARP 00H MST6U89

575p　SUB-CONT 00H MST6U89

575p SUB-BRIGHT 00H MST6U89 DVD Input

575p SUB-COLOR 00H MST6U89 Input Video Format： 575p

575p SUB-TINT 00H MST6U89 (Difference）

575p SUB-SHARP 00H MST6U89

480i　SUB-CONT 00H MST6U89

480i SUB-BRIGHT 00H MST6U89 DVD Input

480i SUB-COLOR 00H MST6U89 Input Video Format： 480i

480i SUB-TINT FDH MST6U89 (Difference）

480i SUB-SHARP 00H MST6U89

480p　SUB-CONT 00H MST6U89

480p SUB-BRIGHT 00H MST6U89 DVD Input

480p SUB-COLOR 00H MST6U89 Input Video Format： 480p

480p SUB-TINT FDH MST6U89 (Difference）

480p SUB-SHARP 00H MST6U89

1080i(50）　SUB-CONT 00H MST6U89

1080i（50） SUB-BRIGHT 00H MST6U89 DVD Input

1080i（50） SUB-COLOR 00H MST6U89 Input Video Format： 1080（50）i

1080i（50）SUB-TINT FDH MST6U89 (Difference）

1080i（50） SUB-SHARP 00H MST6U89

1080i(60）　SUB-CONT 00H MST6U89

1080i（60） SUB-BRIGHT 00H MST6U89 DVD Input

1080i（60） SUB-COLOR 00H MST6U89 Input Video Format：1080（60）i

1080i（60）SUB-TINT 00H MST6U89 (Difference）

1080i （60） SUB-SHARP 00H MST6U89

720p50　SUB-CONT 00H MST6U89 DVD Input

720p50 SUB-BRIGHT 00H MST6U89 Input Video Format： 720p (50)

720p50 SUB-COLOR 00H MST6U89 (Difference）

720p50 SUB-TINT FDH MST6U89

720p50 SUB-SHARP 00H MST6U89

720p60　SUB-CONT 00H MST6U89 DVD Input

720p60 SUB-BRIGHT 00H MST6U89 Input Video Format： 720p (60)

720p60 SUB-COLOR 00H MST6U89 (Difference）

720p60 SUB-TINT 00H MST6U89

720p60 SUB-SHARP 00H MST6U89

1080P（50）SUB-CONT 00H MST6U89 DVD Input

1080P（50）SUB-BRIGHT 00H MST6U89 Input Video Format： 1080P（50）

1080P（50） SUB-COLOR 00H MST6U89 (Difference）

1080P（50）SUB-TINT FDH MST6U89

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