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Colour Monitor
Service Manual
Model CE20LM5
Service Ref. No. CE20LM5-00
113002801
PRODUCT CODE:
ORIGINAL VERSION:
Schematic Diagram is included in 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
Service menu access......................................................................................................................................3
Hotel and Option Menus ................................................................................................................................4
Others Menu and ADC calibration ..................................................................................................................5
Colour Temperature adjustment and Picture Mode setting ............................................................................6
Teletext brightness and Factory reset ......................................................................................................................................7
Options and settings ......................................................................................................................................8
Signal block diagram ....................................................................................................................................10
Power Flow diagram ....................................................................................................................................11
Cabinet Parts List ........................................................................................................................................12
Cabinet Disassembly ....................................................................................................................................13
Pin description of semiconductors ................................................................................................................14
Part description and reading of schematic diagram ....................................................................................15
Electrical Parts List ................................................................................................................................16, 17
Part No. 1KA6P2P0068--
UK6-A
Chassis No.
N4FB
AUG 2008
20LM5
CE
SM5111106-00
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Summary of Contents for Sanyo CE20LM5
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Page 1: Table Of Contents
Colour Monitor 20LM5 Service Manual Model CE20LM5 Service Ref. No. CE20LM5-00 113002801 PRODUCT CODE: UK6-A ORIGINAL VERSION: Chassis No. Schematic Diagram is included in 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. -
Page 2: Safety Precautions/Specifications
.This product does not contain any hazardous substances prohibited by the RoHS Directive. Your SANYO product is designed and (Y ou will find “R” or “Z” at the last digit of the serial number or an “RSF” label near the rating plate on manufactured with high quality materials the RoHS compliant product.) -
Page 3: Service Menu Access
Service Menu Procedure for accessing the service menu: With the set turned ON, press the following sequence of buttons on the remote control:- MENU, 3, 6, 0, 9 The main service menu will be displayed on screen. Factory Menu Source SCART shows the current input mode ADC ADJ... -
Page 4: Hotel And Option Menus
Hotel Menu Hotel mode allows the owner to restrict the functionality of the set so that the user may not tamper with settings such as channel tuning. Volume max' allows the owner to set a limit to the maximum sound output to prevent noise disturbance. To enter the Hotel Menu press &... -
Page 5: Others Menu And Adc Calibration
Other Menu This menu contains some items that should not normally require adjustment. SCART Brightness Controls brightness of composite video inputs independantly to RGB Black Stretch Used to overcome the problem of crushed dark shades OSD Transparency Allows the OSD to become partially or fully transparent Gamma Allows the Gamma curve to be altered if required TTX H Position... -
Page 6: Colour Temperature Adjustment And Picture Mode Setting
Colour Temperature The Colour Temperature menu is accessible from the main service menu and is used to adjust the pictures' white balance. Source SCART Colour Temp Normal R-Gain Red adjustment (white level) G-Gain Green adjustment (white level) B-Gain Blue adjustment (white level) R-Offset Red adjustment (grey scale) G-Offset... -
Page 7: Teletext Brightness And Factory Reset
Text Brightness The three predetermined levels set for Teletext brightness control can be adjusted in this menu. Use P+ / P- to select item & Vol+ / Vol- to change value. Factory Reset In certain circumstances it might be useful to restore the memory to the default conditions preset within the system bios. -
Page 8: Options And Settings
OPTIONS & SETTINGS The table below shows the correct factory settings for this model. Some of these items may need to be restored if a ‘Factory Reset’ is performed. PIC MODE CONTROL N4FB Standard Contrast Brightness Colour Sharpness Movie Contrast Brightness Colour Sharpness... - Page 9 OPTIONS & SETTINGS continued Factory Model Hotel Hotel Mode Volume max On Program SCART Options Tuner option Sound option SCART option BNC option PC option Auto shut off AV RGB option Text no signal Blue Back TTX Bright Other SCART Brightness Black Stretch OSD Transparency Gamma...
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Page 10: Signal Block Diagram
N4FB... -
Page 11: Power Flow Diagram
N4FB... -
Page 12: Cabinet Parts List
CABINET PARTS LIST FOR MODEL CE20LM5 Item Part No. Description Item Part No. Description CE20LM5 CABINET PARTS 610 338 9479 CABINET FRONT-N4FK 665 001 3476 DEC SHEET 610 338 8731 CABINET BACK N4FK 665 001 2646 DEC SHEET 665 000 6638... -
Page 13: Cabinet Disassembly
CABINET DISASSEMBLY Remove the 4 screws indicated (A) then lift away the back cover. -13- N4FB... -
Page 14: Pin Description Of Semiconductors
PIN DESCRIPTION OF SEMICONDUCTORS G Diode ● Diode K: Cathode A: Anode G Transistor/FET ● Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 G IC ● IC (GND) RESET (IN) (OUT) Index Index... -
Page 15: Part Description And Reading Of Schematic Diagram
PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and Resistor Reading coils are expressed in designated code. Please Example 1/2 D J 10K B check the parts description by the following code table. Characteristic 2. -
Page 16: Electrical Parts List
CHASSIS ELECTRICAL PARTS LIST Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety. It is particularly recommended that only parts specified on the following parts list be used for components replacement pointed out by the mark Note: Parts order must contain Service Ref. - Page 17 CHASSIS ELECTRICAL PARTS LIST Main assembly part number 1AA0B10H089B0 Main unit kit part 1AV4U20C29201 RC / LED unit 1AV4U20C29202 Electrical Parts Ref. No. Part No. Part description CN10-A 645 033 2227 CORE, FERRITE 652 001 4978 SKT,RGB 21P (MRC-021V-13) CN6-A 645 032 9364 CORE,FERRITE CN6-PN...
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- Page 20 Sanyo Industries (UK) Ltd Printed in UK -20- N4FB...