Sanyo CE30LD3, CE30LD3BK Schematic

Colour Television

Service Manual

Model CE30LD3-B

CE30LD3BK-B

CE30LD3-B CE30LD3BK-B

Service Ref. No. CE30LD3-B-00

CE30LD3BK-B-00

PRODUCT CODE: 111369508 (CE30LD3-B) 111369508 (CE30LD3BK-B)

ORIGINAL VERSION: Chassis No. UB4-B

Please use Schematic Diagram SKP20429 with
this Service Manual.
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
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

Part No. SKSM0698 N2DJ/N2DM APRIL 2004

SAFETY PRECAUTION

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.

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 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 ! .

SPECIFICATIONS

SPECIFICATIONS ARE COMMON FOR BOTH MODELS CE30LD3-B AND CE30LD3BK-B

Power source	AC 220~240V, 50Hz
Television system	System I
Colour system	PAL/NTSC4.43 (PAL/NTSC4.43/NTSC3.58 IN AV MODE)
Receiving channel	UHF: 21~69
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
Sound output(Music)	12 x 2W
Dimensions (WxHxD)	915 x 588 x 220mm
Weight	20.5 Kg

-2-

N2DJ/N2DM

-3-

LCD-TV

AV3-L/R IN

AV3/DIG AUD

BLOCK DIAGRAM

TC4066

MON-A-OUT

30"-10WX2

AV2-L/R IN

AUDIO DEC.

AUDIO AMP

SP X 2

AV1-L/R IN

STV8216

LA4919

TDA9886

AUDIO

L/R -OUT

DM OUT SW

DIG. TU

BA7609F

SUB CPU

CVBS-OUT

MON-V-OUT

M16C/26

AV1-TV-OUT

LVDS

PACE

Y/CR/CB:8

VIDEO DEC.

THC63

LVDM83R

VIDEO DEC.

DIGITAL MODULE

SCALER

RGB : 8bit

STV2310

STV3550

Y/U/V

		R/CR,G,B/CBIN	SD	SD	FLA
			RAM	RAM	SH
	Y/U/V SW		128	128	1 6
			MB	MB	MB	TV
	BA7603F
	AV1-V- IN	VIDEO SW			AV_1	RGB
	AV1-V- IN					V-I/O
						V-I/O
	AV2-V- IN	LA7956			SCART 1	A-I/O
	R/G/B				SCART 1	RC-IN
	R/G/B					RC-IN
	AV3-V- IN					AV-LINK
						AV-LINK
AV1-RGB	RGB SW				AV_2
	RGB SW					RGB(Y/C)
AV2-RGB					SCART 2	RGB(Y/C)
AV2-RGB	TC4053				SCART 2	V-I/O
						V-I/O
						A-I/O
						A-I/O
					AV_3
						V-IN
						A-L/R-IN
					AUDIO MONITOR

30" PANEL

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

CABINET BACK DISASSEMBLY

REMOVE DECOR STRIP SCREWS

A A

		REMOVE
	BACK COVER SCREWS
	D	D
	Remove	Remove
	Bracket locating screws	Remove
	Bracket locating screws	Bracket locating screws
		Bracket locating screws
	C	C

REMOVE SCREWS

A A

LIFT/PULL TO REMOVE STAND

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.

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N2DJ/N2DM

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.

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	UK
RASTER ROTATION	OFF
SESA	OFF
DIGITAL RC	ON
LIGHT MONITORING	ON
VIDEO MUTE	OFF

OPTION MODE FOR CE30LD3-B-00 / CE30LD3BK-B-00

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.

	Option Mode	Mode	Description & Note
	ON-TIMER	ON or OFF	On-timer available, default “OFF”
	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 “ON”
	COUNTRY	UK, IRE	TV system, default “UK”
		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”
	VIDEO MUTE	ON or OFF	Default “OFF”

Exit from the Service Mode
+ Press the MENU		button.
			-5-

N2DJ/N2DM

SERVICE ADJUSTMENTS

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.

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.

TO ENTER SERVICE ADJUSTMENTS

While pressing the green button on the remote control press the P▼ on the cabinet front. The service menu appears.

Service

SV Vers 042

Video

Sound

STV2310

TDA9885

STV8206

Median Filter ON

Other

Colour Temperature

WSS

LCD Parameters

Fan control

Use the P▼ or P▲ to highlight the service menu you require and press the F/OK button to enter.

TO EXIT SERVICE ADJUSTMENTS

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

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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N2DJ/N2DM

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.

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

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.

Audio Menu				Use the P▼ or P▲ buttons to select the option, then
Audio Type
		3
		3		press the F/OK button on the remote control to enter.
Volume
	0
	0
Balance
Balance			6
Loudness
Loudness	13
Spatial effect
Spatial effect	0

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

TDA9885		Use the P▼ or P▲ buttons to select the option,
Write 1	70	then press the F/OK button on the remote
Write 1	70	control to enter.
		control to enter.

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N2DJ/N2DM

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.

AGC ADJUSTMENT

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.

GREY SCALE ADJUSTMENT

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
5. Using the	or	buttons adjust to make the
white, white.

HORIZONTAL ADJUSTMENT

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 ADJUSTMENT

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 “VDisplay start”

5.Press the or buttons to adjust the vertical centre.

-8-

N2DJ/N2DM

CPU PORT FUNCTIONS

IC801

	208	207	206	205	204	203	202	201	200	199	198	197	196	195	194	193
3	P VID EO5 VDD33 IO		P VIDEO4	P VIDEO3	P VIDEO2	P VIDEO1	P VIDEO0	VDD33 IO	VSS IO	VSS IO	VDD18CORE	DE	DCLK	CLK DFL	H100	V100
3	P_VIDEO8		P VIDEO4	P VIDEO3	P VIDEO2	P VIDEO1	P VIDEO0	VDD33 IO	VSS IO	VSS IO	VDD18CORE	DE	DCLK	CLK DFL	H100	V100
1	P_VIDEO6
2	P_VIDEO7
4	P_VIDEO9
5	VSS_IO
6	P_VIDEO10
7	P_VIDEO11
8	P_VIDEO12
9	P_VIDEO13
10	P_VIDEO14
11	VDD33_IO
12	P_VIDEO15
13	P_VIDEO16
14	P_VIDEO17
15	P_VIDEO18
16	P_VIDEO19
17	VSS_IO
18	P_VIDEO20
19	P_VIDEO21
20	P_VIDEO22
21	P_VIDEO23
22	P_VIDEO24
23	VDD18_CORE
24	VSS
25	VDD33_IO
26	P_VIDEO25
27	P_VIDEO26
28	P_VIDEO27
29	P_VIDEO28
30	P_VIDEO29
31	VSS_IO
32	VDD33_IO
33	VSS
34	VDD18_CORE
35	SDRAM_D7
36	SDRAM_D6
37	SDRAM_D5
38	SDRAM_D4
39	SDRAM_D3
40	SDRAM_D2
41	SDRAM_D1
42	SDRAM_D0
43	VSS_IO
44	VDD33_IO
45	SDRAM_D15
46	SDRAM_D14
47	SDRAM_D13
48	SDRAM_D12
49	SDRAM_D11			13ADDR	BE1NOT	12ADDR	11ADDR	9ADDR	8ADDR	7ADDR	6ADDR	5ADDR	4ADDR	CKOUTSDRAM	VDD33IO	IOVSS
	VDD33 IO NC IOVSS			13ADDR	BE1NOT	12ADDR	11ADDR	9ADDR	8ADDR	7ADDR	6ADDR	5ADDR	4ADDR	CKOUTSDRAM	VDD33IO	IOVSS
50	SDRAM_D10
51	SDRAM_D9
52	SDRAM_D8
	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68

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

SHIELD ADCDAC

GND ADC

VCC33 ADC VDD33 IO

PORT B0

PORT B1 PORT B2

PORT B3

PORT B4

PORT B5

VSS IO

PORT A3

PORT A2 PORT D6

VDD33 IO

PORT D3 PORT D2

PORT D1

PORT D0

PORT C4

PORT C5

PORT C6

PORT C7

PORT D5

VSS IO VDD33 IO

PORT A7

PORT A6

PORT A5

IC801

STV3550M

CKIN SDRAM	ADDR 3	ADDR 2	ADDR 1	ADDR 0	ADDR 10	ADDR 16	VDD33 IO	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	VDD33 IO
69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97

VDD33IO	PORTA4	PORTD7	PORTA1	PORTD4		PORT C0	155
VDD33IO	PORTA4	PORTD7	PORTA1	PORTD4	PORTA0PORT_C2		155
					PORT_C1		156
					PORT_C3		154
						VSS_IO	153
				VDD18_CORE			152
					VDD33_IO		151
						YCRCB7	150
						YCRCB6	149
						YCRCB5	148
						YCRCB4	147
						YCRCB3	146
						YCRCB2	145
						YCRCB1	144
						YCRCB0	143
					CLK_DATA		142
						HSYNC 141
						VSYNC 140
				SHIELD_PLL			139
					VDD18_PLL		138
						VSS_PLL	137
						CLKXTP	136
						CLKXTM	135
					GND_PLL1		134
				VCC18_PLL1			133
						XTALIN	132
					XTALOUT		131
					GND_PLL3		130
				VDD18_PLL3			129
						GND_IO	128
					VCC18_IO		127
				VDD18_CORE			126
						VSS_IO	125
					VDD33_IO		124
						NRESET	123
						TRST	122
						TDI	121
						TDO 120
						TCK	119
						TMS 118
				VDD18_CORE			117
						VSS_IO	116
					VDD33_IO		115
					FLASH_D0		114
					FLASH_D8		113
					FLASH_D1		112
					FLASH_D9		111
					FLASH_D2		110
					FLASH_D10		109
					FLASH_D3		108
D6	D13	D5		D12	FLASH_D11		107
D6	D13	D5		D12		VSS_IO	105
					VDD33_IO		106
FLASH	FLASH	FLASH	NC	FLASH	NC	FLASH D4
98	99	100	101	102	103	104

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N2DJ/N2DM

+ 19 hidden pages