Sanyo CE30LC3-C Manual de usuario

Part No. SKSM0726 N2DL/N2DW JULY 2004

Colour Television

Service Manual

Model CE30LC3-C

CE30LC3BK-C

Service Ref. No. CE30LC3-C-00

CE30LC3BK-C-00

PRODUCT CODE: 111369510 (CE30LC3-C)

111369517 (CE30LC3BK-C)

ORIGINAL VERSION: Chassis No. UB4-B

Give complete "SERVICE REF. NO." for parts

order or servicing, it is shown on the rating sheet

on the cabinet back of the TV set.

Note

This TV receiver will not work properly in foreign

countries where the television transmission

system and power source differ from the design

specifications. Refer to the specifications for the

design specifications

CE30LC3-C

CE30LC3BK-C

Contents

Safety precautions/Specifications ..................................................................................................................2

Block diagrams ..............................................................................................................................................3

Cabinet Disassembly......................................................................................................................................4

Adjustment and Repair Procedures............................................................................................................5~9

CPU Port Functions......................................................................................................................................10

IC Block Diagrams ..................................................................................................................................11~13

Pin description of semiconductors................................................................................................................14

Part Description and reading of schematic diagram ....................................................................................15

Cabinet Parts List ........................................................................................................................................16

Electric Parts List....................................................................................................................................17~26

Please use Schematic Diagram SKP20450 with

this Service Manual.

-2-

N2DL/N2DW

SAFETY PRECAUTION

PRODUCT SAFETY NOTICE

SPECIFICATIONS

1: An isolation transformer should be connected in the

power line between the receiver and the AC line

when a service is performed on the primary of the

converter transformer of the set.

2: Comply with all caution and safety-related notes

provided on the cabinet back, inside the cabinet, on

the chassis or the LCD display .

3: 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, isolation resistor-capacitor networks

etc. Before returning any television to the customer,

the service technician must be sure that it is completely

safe to operate without danger of electrical shock.

SPECIFICATIONS ARE COMMON FOR BOTH MODELS CE30LC3-C AND CE30LC3BK-C

Power source AC 220~240V, 50Hz

Television system System B/G, D/K, L/L’, I

Colour system PAL/NTSC4.43 (PAL/NTSC4.43/NTSC3.58 IN AV MODE)

Receiving channel UHF: 21~69

VHF: E2-E12, F2-F10, R1-R12

CATV: X, Y, Z, S1-S41, B-Q

Aerial input impedance 75ohm

Rear AV terminal

AV1: CENELEC standard

INPUT: Composite video, RGB and Audio L/R

OUTPUT: TV-output with composite video and audio L/R

AV2: CENELEC standard

INPUT: Composite video, RGB, S-VHS and Audio L/R

OUTPUT: Monitor output with composite video and Audio L/R

Front AV terminal

AV3: RCA jacks

INPUT: Composite video and Audio L/R

Headphone socket Mini Jack

Display Panel Resolution 1280 x 768 (WXGA)

Sound output(Music) 12 x 2W

Dimensions (WxHxD) 915 x 558 x 220mm

Weight 20.5 Kg

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 safe-

ty can be of special signifigance. 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 volt-

age ratings may be made for replacement items designated by mark .

-3- N2DL/N2DW

BLOCK DIAGRAM

This is a diagram for all models and therefore differs slightly from the actual block diagram.

TU TDA9886 STV8216

AUDIO DEC.

LA4919

AUDIO AMP

STV2310

VIDEO DEC.

STV3550

VIDEO DEC. THC63

LVDM83R

LVDS

LA7956

VIDEO SW

30" PANEL

SACRT 1

RGB

V-I/O

A-I/O

RC-IN

AV-LINK

V-IN

A-L/R-IN

AV_1

AV_3

RAM

128

RAM

128

FLA

AV1-L/R IN

AV2-L/R IN

MON-A-OUT

SP X 2

30"-10WX2

AV1-V- IN

AV2-V- IN

R/CR,G,B/CB- IN

Y/CR/CB:8

RGB : 8bit

AV1-TV-OUT

AUDIO MONITOR

LCD-TV

BLOCK DIAGRAM

SCALER

BA7603F

Y/U/V SW

TC4053

RGBSW

AV3/DIG AUD

TC4066

SACRT 2 RGB(Y/C)

V-I/O

A-I/O

BA7609F

AV3-V- IN

AV3-L/R IN

AV1-RGB

AV2-RGB

R/G/B

MON-V-OUT SUBCPU

M16C/26

AV_2

-4-

N2DL/N2DW

CABINET BACK DISASSEMBLY

REMOVE SCREWS

LIFT/PULL TO REMOVE STAND

Bracket locating screws

Remove

REMOVE DECOR STRIP SCREWS

BACK COVER SCREWS

REMOVE

Bracket locating screws

Remove

To remove the backcover:-

1. Remove decor strips by removing 4 screws marked A.

2. Lay set on soft surface face down and remove 6 screws marked B then remove stand as indicated.

3. Remove 8 bracket locating screws marked C.

4. Remove back cover by removing 6 screws marked D.

-5- N2DL/N2DW

OPTION SETTING

[After replacing the Memory IC (IC803)]

The memory IC, IC803, stores the option data of TV set and service adjustments data for each circuit, therefore,

when the memory IC is replaced, it should be performed following setting and “SERVICE ADJUSTMENT” on next

page.

To enter to the Option Mode

+ Press and hold the F/OK button on the remote control and P▼button on the front panel of the TV. The option

window will appear on the screen.

To set the option mode

+ Highlight the desired option item by using the P▲or P▼ button .

+ To switch the option mode, use the Volume - (LEFT) or Volume + (RIGHT) button.

+ The data which is set in the option mode is stored into the memory IC automatically.

Following table shows the available option items and default setting mode.

Exit from the Service Mode

+ Press the MENU button.

Option Mode Mode Description & Note

ON-TIMER ON or OFF On-timer available, default “ON”

PLUG AND PLAY ON or OFF Plug and Play mode, default “ON”

WELCOME TEXT ON or OFF Display message when first set up, default “ON”

BBE ON or OFF BBE sound mode, default “OFF”

AUTO VOLUME OFF or ON Default “OFF”

HEADPHONE ON or OFF Headphone control , default “OFF”

CRT 16:9 MODE ON or OFF Default “ON”

NOISE REDUCTION ON or OFF Default “OFF”

COUNTRY UK, IRE TV system, default “BG/DK / I / LL”

BG/DK / I / LL’

RASTER ROTATION ON or OFF Default “OFF”

SESA ON or OFF Default “OFF”

DIGITAL RC ON or OFF Digital option, default “ON”

LIGHT MONITORING ON or OFF Ambient light control of LCD brightness, default “ON”

ON-TIMER OFF

PLUG AND PLAY ON

WELCOME TEXT ON

BBE OFF

AUTO VOLUME OFF

HEADPHONE OFF

CRT 16:9 MODE ON

NOISE REDUCTION ON

COUNTRY EU

RASTER ROTATION OFF

SESA OFF

DIGITAL RC ON

LIGHT MONITORING ON

VIDEO MUTE OFF

OPTION MODE FOR CE30LC3-C-00 / CE30LC3BK-C-00

-6-

N2DL/N2DW

SERVICE ADJUSTMENTS

INITIALISATION OF MEMORY IC

To initialise the memory IC (IC803), press and hold the NORMAL button on the remote control, then press the

P▼button on the front panel of the TV set and then turn the Mains switch Off and On. The initialisation is now

completed.

When initialised the memory IC and all of the setting data (option data and service adjustment data) stored in the IC

are reset to the default value. It is necessary to set the option settings and readjust the service adjustments listed on

page 6 and to re-tune all the channels.

The available adjustment items are as follows;

TDA9885 : This can be adjusted for AGC.

Video : This can be adjusted for the service adjustment.

DO NOT ADJUST OTHER SETTINGS

[After replacing the Memory IC (IC803)]

The memory IC, IC803, stores the service adjustments data for each circuit, therefore, when the memory IC is

replaced, it should be programmed by using “OPTION SETTING” on previous page and the following adjustments.

While pressing the green button on the remote control press the P▼ on the cabinet front.

The service menu appears.

Use the 6or 5 to highlight the service menu you require and press the F/OK button to enter.

Press the Menu button to navigate ackwards through the service menus until menus disappear.

Note: Some items of the service adjustments for this chassis are controlled by the CPU, IC801, and the

adjustments are carried out by using the RC handset.

TO ENTER SERVICE ADJUSTMENTS

TO EXIT SERVICE ADJUSTMENTS

Service

SV Vers 042

Video

Sound

STV2310

TDA9885

STV8206

Median Filter ON

Other

ColourTemperature

WSS

LCD Parameters

Fan control

IMPORTANT NOTICE

Do not attempt to adjust service adjustments not listed on the above otherwise it may cause

loss of performance and product safety.

-7- N2DL/N2DW

Service menu: Video

Enter the service adjustment menu as described on the previous page and select “Video” using

the P▼or P▲buttons and then press the F/OK button to enter.

Use the P▼ or P▲ buttons to select the option, then press

the F/OK button on the remote control to enter.

Service menu: Sound

Enter the service adjustment menu as described on the previous page and select “Sound” using

the P▼ or P▲ buttons and then press the F/OK button to enter.

Use the P▼or P▲buttons to select the option, then

press the F/OK button on the remote control to enter.

Service menu: TDA9885

Enter the service adjustment menu as described on the previous page and select “TDA9885”

using the P▼ or P▲ buttons and then press the F/OK button to enter

Use the P▼ or P▲ buttons to select the option,

then press the F/OK button on the remote

control to enter.

VIDEO

G2 Alignment Config.

White Point R 41

White Point G 32

White Point B 36

Peak White Limiter 0

Black Level offset R 8

Black Level offset G 8

Gain pre-scale RGB 0

Fast blanking delay 0

Luma/Chroma delay 0

Restore default

Audio Menu

Audio Type

Volume

Balance

Loudness

Spatial effect

TDA9885

Write 1 70

-8-

N2DL/N2DW

ADJUSTMENTS

IMPORTANT NOTICE

Do not attempt to adjust the following service adjustments except when adjustments are required in servicing

otherwise it may cause loss of performance and product safety.

1. Select the clearest VHF station

2. Connect a digital voltmeter to test point TP-A and GND

3. Enter service menu : TDA9885

4. With the P▼ or P▲ buttons select “Write 1”

5. Adjust using the or buttons until the read-

out from the voltmeter is 3.2 Vdc.

SCREEN ADJUSTMENT

1. Make sure the set is warm (20 mins)

2. Receive Black and White picture/pattern

3. Enter service menu “Video”

4. Select item “White Point R” or “White Point B”

5. Using the or buttons adjust to make the

white, white.

HORIZONTAL CENTRING ADJUSTMENT

1. Set wide screen mode to “FULL”.

2. Preferably receive a circular pattern

3. Enter service menu “LCD Parameters”

4. Use the P▼ or P▲ buttons to highlight “H Display

start”.

5. Press the or buttons to adjust horizontal

centre.

VERTICAL CENTRING ADJUSTMENT

1. Set wide screen mode to “FULL”.

2. Preferably receive a circular pattern

3. Enter service menu “LCD Parameters”

4. Use the P▼ or P▲ buttons to highlight “V Display start”

5. Press the or buttons to adjust the

vertical centre.

VERTICAL ADJUSTMENT

HORIZONTAL ADJUSTMENT

GREY SCALE ADJUSTMENT

AGC ADJUSTMENT

-9- N2DL/N2DW

CPU PORT FUNCTIONS

STV3550M

IC801

PORT_B0

PORT_B1

PORT_B2

PORT_B3

PORT_B4

PORT_B5

PORT_A3

PORT_A2

PORT_D0

PORT_C4

PORT_C5

PORT_C6

PORT_C7

PORT_A7

PORT_A6

PORT_A5

PORT_A4

PORT_A1

PORT_D7

PORT_D6

PORT_D5

PORT_D3

PORT_D2

PORT_D1

VSS_IO

VDD33_IO

VSS_IO

PORT_D4

PORT_A0

_C0

PORT

PORT_C1

PORT_C2

PORT_C3

VSS_IO

VDD18_CORE

VDD33_IO

VCC18_IO

VDD18_CORE

VSS_IO

VDD33_IO

VSS_IO

VDD33_IO

VSS_IO

VDD33_IO

VDD18_CORE

VSS_IO

VDD33_IO

CKIN_SDRAM

VDD33_IO

VSS_IO

CLK_DFL

DCLK

VSS_IO

_IO

VDD33

P_VIDEO0

P_VIDEO1

P_VIDEO2

P_VIDEO3

P_VIDEO4

EO5

P_VID

VDD18_CORE

VSS

VDD33_IO

VSS_IO

P_VIDEO29

P_VIDEO28

P_VIDEO27

P_VIDEO26

P_VIDEO25

P_VIDEO24

P_VIDEO23

P_VIDEO22

P_VIDEO21

P_VIDEO20

P_VIDEO19

P_VIDEO18

P_VIDEO17

P_VIDEO16

P_VIDEO15

P_VIDEO14

P_VIDEO13

P_VIDEO12

P_VIDEO11

P_VIDEO10

P_VIDEO9

P_VIDEO8

P_VIDEO7

P_VIDEO6

VSS_IO

VDD33_IO

VDD18_CORE

SDRAM_D7

SDRAM_D6

SDRAM_D5

SDRAM_D4

SDRAM_D3

SDRAM_D2

SDRAM_D1

SDRAM_D0

VSS_IO

VDD33_IO

SDRAM_D15

SDRAM_D14

SDRAM_D13

SDRAM_D12

SDRAM_D11

SDRAM_D10

SDRAM_D9

SDRAM_D8

VDD33_IO

ADDR_13

NOT_BE1

ADDR_12

ADDR_11

ADDR_9

ADDR_8

ADDR_7

ADDR_6

ADDR_5

ADDR_4

CKOUT_SDRAM

VDD33_IO

VSS_IO

ADDR_3

ADDR_2

ADDR_1

ADDR_0

ADDR_10

ADDR_16

ADDR_15

NOT_CS_SDRAM

NOT_RAS

NOT_CAS

RD_NOTWR

NOT_BE0

VDD18_CORE

VSS

VDD33_IO

VSS_IO

NOT_CS_FLASH

ADDR_17

ADDR_18

ADDR_19

ADDR_14

VDD18_CORE

VSS

FLASH_D15

FLASH_D7

FLASH_D14

FLASH_D6

FLASH_D13

FLASH_D5

FLASH_D12

_D4

FLASH

VSS_IO

_IO

VDD33

FLASH_D11

FLASH_D3

FLASH_D10

FLASH_D2

FLASH_D9

FLASH_D1

FLASH_D8

FLASH_D0

TMS

TCK

TDO

TDI

TRST

NRESET

VSS

GND_IO

VDD18_PLL3

GND_PLL3

XTALIN

XTALOUT

VCC18_PLL1

GND_PLL1

CLKXTM

CLKXTP

VSS_PLL

VDD18_PLL

SHIELD_PLL

VSYNC

HSYNC

CLK_DATA

YCRCB0

YCRCB1

YCRCB2

YCRCB3

YCRCB4

YCRCB5

YCRCB6

YCRCB7

VDD18_CORE

VDD33_IO

VCC33_ADC

GND_ADC

SHIELD_ADCDAC

V100

H100

208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157

156

155

154

153

152

151

150

149

148

147

146

145

144

143

142

141

140

139

138

137

136

135

134

133

132

131

130

129

128

127

126

125

124

123

122

121

120

119

118

117

116

115

114

113

112

111

110

109

108

107

106

105

1041031021011009998979695949392919089888786858483828180797877767574737271706968676665646362616059585756555453

IC801

-10-

N2DL/N2DW

IC801

IC BLOCK DIAGRAMS

H100

V100

Output

4- to

YCRCB[7:0]

VSYNC

Clock

Generator

2D Block

OSD

STV3550

Move

HSYNC

27 MHz

CLK_DATA

CLKXTM

CLKXTP

Clock

External

Memory

Interface

Flash

SDRAM

Video

Display

Pipeline

PSI/CTI

Standard Definition

Input (SDIN)

H/V Filter

Temporal Noise Reduction

Film Mode Detection

Picture

Compositor

Cursor Plane

Background Plane Gamma Correction

Digital

Video

Output

Perfect Color

Engine

TV Peripherals

RTC, ADC, I†C Bus,

I/O Ports, 4 Timers,

UART, WDT, PWM

and Infrared Digital

Preprocessor

DCLK

Timebase

Generator

RGB

Video

Outputs

Reset

10-bit

ST20 32-bit CPU Core

4 kB I-Cache 4 kB D-Cache

Interrupt Controller

Diagnostic Controller

100 MHz, 8 kB SRAM

Build-Up

YSI

Video

ST20 Core

H100

SDRAM

SDIN

TNR

HV Filter

YCRCB[7:0]

CLK_DATA

CTI

HSYNC

VSYNC 16/32

TV Peripherals

I/Os

Flash

Counter

NRESET

CLKXTM

Clock

Generator

Block Move

OSD

Pipeline

Block

Time Base

Generator

TV Chassis Control

CSA

Picture

Comp.

Cursor

Plane

Fast Blanking

EMI4

CLKXTP

Compositor

V100

CLK_DFL

27 MHz

Crystal

Gamma Correction

Digital

Video

Output

Perfect Color

Engine

STV3550

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