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Instruction Manual
SERVICE MANUAL LCD Television
Specifications
Power Source . . . . Monitor: DC12V
AC Adapter: AC100-240V, 50Hz/60Hz (Output DC 12V)
Screen Size . . . . . . . . . .20 Inch (Measured Diagonally)
Picture Resolution . . . . .640 x 480=307,200 Pixels
Brightness . . . . . . . . . . .500 cd/m
Colour System . . . . . . . .PAL, SECAM, NTSC4.43, NTSC, PAL-60Hz
Television System . . . . .B/G, DK, K', I, M/M
Channel Coverage
. . . .VHF: E2-E12, R1-R12, K1-K9, A2-A13, J1-J12
UHF: 21-69, A14-A69, J13-J62
CATV: S1-S41, X, Y, Z, Z+1, Z+2
Aerial Input Impedance
75Ω
Speaker . . . . . . . . . . 5 cm ✕ 9 cm ✕ 2 pcs.
Sound Output (RMS). . . . 2W + 2W
Input Terminals
AV1 (Video): Composite video Input
S-Video (Y/C Separate) DIN Jack Input
AV1 (Audio): L/R Stereo Input
AV2 or DVD (Video): Composite/Component Y, C
AV2 or DVD (Audio): L/R Stereo Input
Output Terminals
Video Monitor Output x 1
Audio Monitor Output: L/R x 1
Headphone Jack: Mini Stereo Jack x 1
Dimensions . . . . . . . . . . 480 (W) ✕ 468 (H) ✕ 226 (D)mm (Included Stand)
Weight . . . . . . . . . . . . . . approx. 8.0 Kg (Included Stand)
Specifications subject to change without notice
N2KVZ
2
0-11, 5A (Australia), 1-11 (New Zealand)
28-69 (Australia)
, C
Input
B
R
FILE NO.
Model No. LCD-20CA1Z
(Australia/Middle East/Asia)
Service Ref. No. LCD-20CA1Z-00
Product Code:111372616
Original Version
Chassis Series: UB3-C
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
foreign countries where the television
transmission system and power source dif-
fer from the design specifications. Refer to
the specification table.
REFERENCE NO.
SM
5110675
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Table of Contents
Related Manuals for Sanyo LCD-20CA1Z
Summary of Contents for Sanyo LCD-20CA1Z
- Page 1 FILE NO. SERVICE MANUAL LCD Television Model No. LCD-20CA1Z (Australia/Middle East/Asia) Service Ref. No. LCD-20CA1Z-00 Specifications Product Code:111372616 Power Source ..Monitor: DC12V Original Version AC Adapter: AC100-240V, 50Hz/60Hz (Output DC 12V) Screen Size ..20 Inch (Measured Diagonally) Picture Resolution .
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Page 2: Table Of Contents
Contents Safety Notice ..........2 Chassis Block Diagram . - Page 3 Chassis Block Diagrams (Video Signal Lines)
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Page 4: Chassis Block Diagram
Chassis Block Diagrams (Audio Signal Lines) -
Page 5: Ic Block Diagrams
IC Block Diagrams IC601 < Digital Decoder with 3D YC.> TC90A92AFG HD/VD X'tal reference Clock Sync Sep. Timing clock Gene. Vertical enhance Clamp 3 line comb contrast adust 656/601 27 M CVBS/Y delay adjust ITU-R656 10bit ADC 3D comb encode Format DRAM 4fsc... -
Page 6: Cpu Port Functions
CPU Port Functions Pin No. Function Name Function IN/OUT BL-BRI FOR PANEL BACK LIGHT BRIGHTNESS PWM1 SOUND MUTE DISPLAY ON DISPLAY ON POWER DOWN POWER DOWN STAND-BY POWER ON/OFF PANEL ON PANEL ON SCALER RESET SCALER RESET (RESET=LOW) VDATR RESET VDATR RESET BL-ON PANEL ON... -
Page 7: Service Adjustments
Service Adjustments General This set has an On-screen Service Menu system includ- ed in the CPU thar allows remote operation for most of the service adjustments. On-screen Service Menu System 1. Enter the Service Menu While pressing the MENU button on the televi- sion, press the Number Key 1 on the remote control unit. -
Page 8: On-Screen Service Menu
Service Adjustments On-screen Service Menu White Balance Adjustment Item INITIAL Item INITIAL TITLE TITLE DATA DATA 1. Receive a White Pattern. PLUG PLAY LO2HSIZEL TUNER SEL LO2HSIZEH 2. Set the television to following conditions: IF1HSIZEL LO2VSIZEL IF1HSIZEH LO2VSIZEH Brightness: Normal IF1VSIZEL EXPMODE1 Colour: Normal... -
Page 9: Mechanical Disassembly
Mechanical Disassembly Stand Removal Cabinet Back Removal 1. Remove a screw and remove a stand cover. 1. Remove 4 screws and remove the Cabinet Back. Note: The cabinet back may still be a little tight due to the snaps at the other locations. Snap Snap 2. -
Page 10: Chassis Removal
Mechanical Disassembly Chassis Removal Remove the cabinet back and shield cover and can be seen the chassis. To remove the Shield Cover of Main PWB, remove 11 screws. To remove the Shield Cover of Inverter PWB, remove 6 screws. Screw Screw Screw Shield Cover of... - Page 11 Mechanical Disassembly Location of Circuit Board and Electrical Parts Screw (for Chassis Base) Screw (for Panel) Screw (for Panel) ASSY PWB KEY BOARD ASSY PWB MAIN Screw (for Panel) Speaker Speaker Screw (for Panel) ASSY PWB Screw (for Chassis Base) Screw (for Chassis Base) LED BOARD -11-...
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Page 12: Cabinet Parts List
Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. Key No. Part No. Description Key No. Part No. Description 610 315 2776 CABINET FRONT-N2KP 610 316 7510 INSTRUCTIONS MANUAL-N2JVZ 610 314 7116 DEC IND-N2JP (IN ENGLISH) 610 316 5790 ASSY,BUTTON-N2JP... -
Page 13: Chassis Electrical Parts List
Chassis Electrical Parts List N2KVZ 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. - Page 14 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description 405 015 8902 TR 2SC2812-L7-TB 405 173 9803 TR 2SC3928A1R 405 163 1602 TR 2SC2812N-L6-TB0 405 173 9902 TR 2SC3928A1S 405 163 1701 TR 2SC2812N-L7-TB0 Q302 405 134 5905 TR 2SA1037AK-T146-R 405 173 9803 TR 2SC3928A1R...
- Page 15 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description 405 014 4608 TR 2SC2412K T146 S C110 404 091 2606 CERAMIC 0.1U K 405 015 8704 TR 2SC2812-L6-TB C111 404 095 6907 ELECT 100U M 405 015 8902 TR 2SC2812-L7-TB 403 229 3508 ELECT...
- Page 16 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description C224 404 094 7608 CERAMIC 22P J C338 404 091 2606 CERAMIC 0.1U K 403 145 9905 CERAMIC 22P J C339 404 094 0104 ELECT 10U M C225 404 094 7608 CERAMIC 22P J 403 335 0309...
- Page 17 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description 403 162 6208 ELECT 1U M C643 404 091 2606 CERAMIC 0.1U K C602 404 091 2606 CERAMIC 0.1U K C644 404 091 2606 CERAMIC 0.1U K C603 404 091 2606 CERAMIC 0.1U K C645...
- Page 18 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description C743 404 094 7608 CERAMIC 22P J R226 401 105 5103 MT-GLAZE 47 JA 1/16W 403 145 9905 CERAMIC 22P J 402 090 9305 MT-GLAZE 47JA 1/ C744 404 094 7608 CERAMIC 22P J R228...
- Page 19 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description 402 090 2504 MT-GLAZE 10K JA 1/16W R346 401 105 1501 MT-GLAZE 1.5K JA 1/16W R307 401 113 4402 MT-GLAZE 75 JA 1/16W 402 090 4201 MT-GLAZE 1.5K JA 1/16W 402 091 1902 MT-GLAZE 75JA 1/...
- Page 20 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description R392 401 105 0504 MT-GLAZE 1K JA 1/16W L602 645 040 6430 INDUCTOR,2.2U M 402 090 2405 MT-GLAZE 1K JA 1/16W L603 645 040 6430 INDUCTOR,2.2U M R601 401 105 1006 MT-GLAZE 1.2K JA 1/16W L605...
- Page 21 N2KVZ Ref. No. Part No. Description Ref. No. Part No. Description R215 401 105 0504 MT-GLAZE 1K JA 1/16W D202 407 196 7705 LED SLP-581D-51 402 090 2405 MT-GLAZE 1K JA 1/16W 408 050 8906 LED M209GRW R217 401 105 1105 MT-GLAZE 12K JA 1/16W D203...
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- Page 24 SANYO Electric Co., Ltd. A14800 /August /’04/90 BB Printed in Japan...
- Page 25 RESISTOR parts specified on the part service manual be may be some components or partial circuit differences between the Rated wattage (1/2W) SERVICE LCD-20CA1Z-00 C: Solid 12 X 10 =12K used for components replacement pointed out actual chassis and the circuit diagram.
- Page 26 COMPONENT LOCATIONS Waveforms & Voltages (On the Main Board) MAIN BOARD (Bottom) MAIN BOARD (Top) IC101(REG.) IC102 (REG.) IC103 (REG.) Pin-1 12.0V 5.0V 5.0V Pin-1 3.3V 5.0V Pin-1 9.0V 12.0V IC104 (REG.) IC105 (REG.) IC106 (REG.) Pin-1 5.0V 2.5V Pin-1 4.9V 1.3V 1.5V 5.0V...