SANYO CE30LC3-C, CE30LC3BK-C Service Manual

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

CE

30LC3BK-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.

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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 AVterminal

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

!

!

!

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N2DL/N2DW

BLOCK DIAGRAM

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

30" PANEL

SP X 2

30"-10WX2

AUDIO AMP

MON-A-OUT

AUDIO DEC.

HP

LA4919

STV8216

M16C/26

SUB CPU

MON-V-OUT

LVDS

THC63

VIDEO DEC.

LVDM83R

RGB : 8bit

SCALER

Y/CR/CB:8

STV3550

FLA

SD

SD

SH

RAM

RAM

16

128

128

TV

MB

MB

MB

RGB

V-I/O

AV_1

A-I/O

RC-IN

AV-LINK

SACRT 1

RGB(Y/C)

AV_2

V-I/O

A-I/O

SACRT 2

AV_3

V-IN

A-L/R-IN

AUDIO MONITOR

TC4066

AV3/DIG AUD

AV3-L/R IN

AV1-L/R IN

AV2-L/R IN

IF

LCD-TV

BLOCK DIAGRAM

TDA9886

TU

BA7609F

AV1-TV-OUT

VIDEO DEC.

STV2310

R/CR,G,B/CB- IN

BA7603F

Y/U/V SW

LA7956

VIDEO SW

AV1-V- IN

AV2-V- IN

AV3-V- IN

R/G/B

RGB SW

AV1-RGB

AV2-RGB

TC4053

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N2DL/N2DW

CABINET BACK DISASSEMBL

Y

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.

A

Remove

Bracket locating screws

REMOVE DECOR STRIP SCREWS

REMOVE

BACK COVER SCREWS

D

D

A

Remove

Bracket locating screws

C

A

B

REMOVE SCREWS

B

A

LIFT/PULL TO REMOVE STAND

C

-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”

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

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 ROTA TION OFF
SESA OFF
DIGITAL RC ON
LIGHT MONITORING ON
VIDEO MUTE OFF

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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 Ver s 042

Video
Sound
STV2310
TDA9885
STV8206
Median Filter ON
Other
Colour T emperature
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.

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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

3
0
6
13
0

TDA9885

Write 1 70

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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 read­out 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

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N2DL/N2DW

CPU PORT FUNCTIONS

IC801

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

_IO

EO5

P_VID

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

VDD33

P_VIDEO6
P_VIDEO7
P_VIDEO8
P_VIDEO9
VSS_IO
P_VIDEO10
P_VIDEO11
P_VIDEO12
P_VIDEO13
P_VIDEO14
VDD33_IO
P_VIDEO15
P_VIDEO16
P_VIDEO17
P_VIDEO18
P_VIDEO19
VSS_IO
P_VIDEO20
P_VIDEO21
P_VIDEO22
P_VIDEO23
P_VIDEO24
VDD18_CORE
VSS
VDD33_IO
P_VIDEO25
P_VIDEO26
P_VIDEO27
P_VIDEO28
P_VIDEO29
VSS_IO
VDD33_IO
VSS
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

NC

_IO

VDD33

P_VIDEO2

P_VIDEO3

P_VIDEO4

ADDR_13

NOT_BE1

VSS_IO

VDD33_IO

P_VIDEO0

P_VIDEO1

ADDR_12

ADDR_11

ADDR_9

VSS_IO

VSS_IO

ADDR_8

ADDR_7

DE

DCLK

CLK_DFL

VDD18_CORE

ADDR_6

ADDR_5

ADDR_4

CKOUT_SDRAM

V100

H100

SHIELD_ADCDAC

CKIN_SDRAM

VSS_IO

VDD33_IO

VDD33_IO

GND_ADC

VCC33_ADC

PORT_B0

PORT_B1

PORT_B2

PORT_B3

PORT_B4

VSS_IO

PORT_B5

IC801

STV3550M

<STV3550>

ADDR_1

ADDR_0

ADDR_10

ADDR_16

VDD33_IO

ADDR_15

NOT_CS_SDRAM

NOT_RAS

ADDR_3

ADDR_2

PORT_A3

PORT_A2

PORT_D6

NOT_CAS

RD_NOTWR

PORT_D3

VDD33_IO

NOT_BE0

VDD18_CORE

VSS

PORT_D2

PORT_D1

VSS_IO

VDD33_IO

PORT_D0

PORT_C4

PORT_C5

PORT_C6

NOT_CS_FLASH

ADDR_17

ADDR_18

ADDR_19

VSS_IO

PORT_C7

PORT_D5

VDD18_CORE

ADDR_14

VSS

PORT_A7

PORT_A6

VDD33_IO

FLASH_D15

FLASH_D7

FLASH_D14

PORT_A5

PORT_A4

VDD33_IO

VDD33_IO

FLASH_D6

FLASH_D13

PORT_A1

PORT_D7

PORT_D4

VDD18_CORE

SHIELD_PLL

VDD18_PLL

VCC18_PLL1

VDD18_PLL3

VDD18_CORE

VDD18_CORE

FLASH_D10

FLASH_D11

NC

FLASH_D5

FLASH_D12

_C0

PORT

PORT_C1

PORT_A0

PORT_C2
PORT_C3

VSS_IO

VDD33_IO

YCRCB7
YCRCB6
YCRCB5
YCRCB4
YCRCB3
YCRCB2
YCRCB1
YCRCB0

CLK_DATA

HSYNC

VSYNC

VSS_PLL

CLKXTP

CLKXTM

GND_PLL1

XTALIN

XTALOUT

GND_PLL3

GND_IO

VCC18_IO

VSS_IO

VDD33_IO

NRESET

TRST

TDI

TDO

TCK

TMS

VSS_IO

VDD33_IO
FLASH_D0
FLASH_D8
FLASH_D1
FLASH_D9
FLASH_D2

FLASH_D3

VDD33_IO

VSS_IO

NC

_D4

FLASH

1041031021011009998979695949392919089888786858483828180797877767574737271706968676665646362616059585756555453

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

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N2DL/N2DW

IC801

IC BLOCK DIAGRAMS

STV3550

YCRCB[7:0]

CLK_DATA

HSYNC
VSYNC

Standard Definition

Input (SDIN)

H/V Filter

Temporal Noise Reduction

Film Mode Detection

Video

Display

Pipeline

PSI/CTI

2D Block

OSD

Move

Picture

Compositor

Cursor Plane

Background Plane

Digital

Video

Output

Gamma Correction

Perfect Color

Engine

4- to

10-bit

RGB

Video

Outputs

27 MHz

CLKXTP

CLKXTM

Reset

NRESET

YCRCB[7:0]

CLK_DATA

HSYNC
VSYNC

Clock

Generator

STV3550

8

4 kB I-Cache 4 kB D-Cache

Build-Up

Counter

HV Filter

TNR

SDIN

Block

ST20 32-bit CPU Core

100 MHz, 8 kB SRAM

Diagnostic Controller

Interrupt Controller

Video

Pipeline

YSI
CTI

OSD

Pipeline

ST20 Core

TV Peripherals

RTC, ADC, I†C Bus,

I/O Ports, 4 Timers,

UART, WDT, PWM

and Infrared Digital

Preprocessor

Picture

Compositor

Comp.
Cursor

BG

Plane

Fast Blanking

CSA

Gamma Correction

2D

Block Move

External
Memory

Interface

Flash

SDRAM

Digital

Video

Output

Perfect Color

Engine

EMI4

Timebase

Generator

SDRAM

16/32

DCLK
DE

H100
V100

Output
Clock

R

G

B

Flash

27 MHz

Crystal

Clock

Generator

CLKXTP

CLKXTM

CLK_DFL

TV Peripherals
TV Chassis Control

I/Os

30

Time Base

Generator

H100
V100