Sharp 20MU14 Service Manual

1COLOR TELEVISIONChassis No. CD-AIn the interests of user-safety (Required by safety regulations in some countries) the set should be restored to itso

10654321ABCDEFGHCHASSIS LAYOUTNORMALPR701C70820MU14

11654321ABCDEFGHBLOCK DIAGRAM20MU14

1287 109654321ABCDEFGHSCHEMATIC DIAGRAM: MAIN-1 Unit20MU14

131716 191815141312111020MU14

14654321ABCDEFGHSCHEMATIC DIAGRAM: CRT Unit20MU14

15654321ABCDEFGHPWB-A: MAIN Unit (Wiring Side)PRINTED WIRING BOARD ASSEMBLIES20MU14

16654321ABCDEFGHPWB-A: MAIN Unit (Chip Parts Side)❊❈❇✹◗I✵✼◗✻✸✽◗I✵✽❇✻✷✷◗✺✹✷◗✶✸✴✵◗✶✸✴✶◗✶✸✴✷◗✶✸✴✸◗✹✸◗✹✹◗✹✺◗I✶◗I✵❊❈❇✶◗I✵✺◗✶✵✹◗✶✴✵◗✸✹✽P✸✹✵◗✸✹✺◗✻✶✶◗✻✵✵◗✻✶✷❇

17654321ABCDEFGHPWB-B: CRT Unit (Chip Parts Side)PWB-B: CRT Unit (Wiring Side)\b\b\b\\b\\b\b\b\b\b\\b\b\b\\b\b\b\\b\\b\20MU14

Ref. No. Part No. « Description Code U V101 VB48JLL40X/*S X CRT 19V (ORION) BRU L703 RCILG0099PEZZ X DEGAUSSING COIL (19V) AF U DY601 RCILH0105GJ

Ref. No. Part No. « Description CodeCF2040 RFILA0099CEZZ+ X FILTER ABSF201 RFILC0441CEZZ X SAW Filter ADL50 VP-DF150K0000Y X Peaking 15mH ABL201 VP-XF

2IMPORTANT SERVICE SAFETY PRECAUTIONËService work should be performed only by qualified service technicians who are thoroughlyfamiliar with all safety

Ref. No. Part No. « Description CodeRJ9 VRS-CY1JF000JY X 00 1/16W M-Ox. AARJ10 VRS-CY1JF000JY X 00 1/16W M-Ox. AARJ12 VRS-CY1JF000JY X 00 1/16W M-Ox.

Ref. No. Part No. « Description Code P651 QPLGN0361CEZZA X PLUG (3 PINS) RHU ABP701 QPLGN0260CEZZ X PLUG (2 PINS) ABP751 QPLGN0461CEZZA X PLUG (4 PINS

Ref. No. Part No. « Description CodeU ACC701 QACCDA015WJPZ X AC-CORD AESP1 VSP0080PBK98A X SPEAKER ADQCNW-2111PEZZ X WIRE (YBN

23PACKING OF THE SETREARUse tape tofix the top side ofpacking case.★ Packing CaseFRONT★ Buffer Material★ Wrapping Paper★ Polyethylene BagOperation Man

QRC0003-LDec. 2003 J BDesign and Production InformationDesign base : JAPANProduction : SEMEXModify : SEMEXCOPYRIGHT © 2003 BY SHARP CORPORATIONALL

3SAFETY NOTICEMany electrical and mechanical parts in televisionreceivers have special safety-related characteristics.These characteristics are often

4LOCATION OF USER'S CONTROL20MU14

5CIRCUIT PROTECTIONThe receiver is protected by a 4.0A fuse (F701),mounted on PWB-A, wired into one side of the ACline input.X-RADIATION PROTECTOR CIR

6Figure A.S0102CHANNELSERVICE ADJUSTMENT NUMBERDATA NUMBERS01 D:00For adjustments of this model, the bus data is converted to various analog signals b

7SERVICE NUMBERDATAADJUSTMENT CONTENTSADJUSTMENT ITEMRANGEINITIAL VALUES01 PICTURE 55 00-7FS02 TINT 46 00-7FS03 COLOR 32 00-7FS04 BRIGHTNESS 40 00-7FS

8ËSERVICE ADJUSTMENTVCO Adjustment1. Connect a digital voltmeter between pin (44) of IC201and ground.2. Receive a good local channel.3. Enter the serv

9DESCRIPTION OF SCHEMATIC DIAGRAMNOTES:1. The unit of resistance "ohm" is omitted.(K=kΩ=1000Ω, M=MΩ)2. All resistors are 1/10 watt, unless o