Sharp 14A1-RU Instrukcja Obsługi

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1
14A1-RU
14A2-RU
1-21-1
SERVICE MANUAL
(14A1-RU) (14A2-RU)
COLOUR TELEVISION
Chassis No. UA-1
In the interests of user-safety (Required by safety regulations in some countries) the set should be restored
to its original condition and only parts identical to those specified should be used.
14A1-RU
14A2-RU
MODELS
SHARP CORPORATION
WARNING
The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power
receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable
parts inside. Refer servicing to qualified service personnel.
CONTENTS
» SPECIFICATIONS .............................. 2
» IMPORTANT SERVICE NOTES ......... 2
» ADJUSTMENT PRECAUTIONS .........3
» TROUBLE SHOOTING TABLE ......... 19
» HOTEL MODE APPLICATION ..........21
» SOLID STATE DEVICE BASE
DIAGRAM ......................................... 22
» WAVEFORMS................................... 23
» CHASSIS LAYOUT ........................... 24
» DESCRIPTION OF SCHEMATIC DIA-
GRAM ............................................... 26
» SCHEMATIC DIAGRAM
CRT Unit ....................................... 27
MAIN Unit ..................................... 28
» BLOCK DIAGRAM ............................ 32
» PRINTED WIRING BOARD ASSEM-
BLIES................................................ 37
» REPLACEMENT PARTS LIST
ELECTRICAL PARTS ...................42
MISCELLANEOUS PARTS...........46
SUPPLIED ACCESSORIES ......... 46
PACKING PARTS ......................... 46
CABINET PARTS.......................... 46
Page Page
FEATURE
Ë
Multi 18 Systems
Ë
Full Auto Channel Preset and Auto Channel Skip
Ë
100-CH Program Memory
Ë
High Contrast Picture
Ë
Black Stretch Circuit
Ë
CATV (Hyper Band) Ready < Used Frequency Synthesizer
Tuner>
Ë
AVL (Sound Keeper) Function
Ë
Hotel Mode
Ë
On Timer / Sleep Timer / Reminder Timer
Ë
Colour Comb Filter Function (NTSC only)
Ë
Blue Back Noise Mute
Ë
Rear AV-In/Out Terminals and Front AV-In
Ë
English and Russian OSD
SX0M114A1-RU/
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Podsumowanie treści

Strona 1 - SERVICE MANUAL

114A1-RU14A2-RU1-21-1SERVICE MANUAL(14A1-RU) (14A2-RU)COLOUR TELEVISIONChassis No. UA-1In the interests of user-safety (Required by safety regulations

Strona 2 - SPECIFICATIONS

1014A1-RU14A2-RU10-210-1FUNCTION OPERATION CHECKING (VIDEO AND AUDIO)(Continued)No. Adjusting point Adjusting procedure/conditions Waveform and others

Strona 3 - ADJUSTMENT PRECAUTIONS

1114A1-RU14A2-RU11-211-1MEMORY MAPADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHE

Strona 4 - USER DATA IN SERVICE MODE

1214A1-RU14A2-RU12-212-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA CH

Strona 5

1314A1-RU14A2-RU13-213-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA

Strona 6 - INITIAL SETTING

1414A1-RU14A2-RU14-214-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA CH

Strona 7 - PIF ADJUSTMENT

1514A1-RU14A2-RU15-215-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA CH

Strona 8 - CONVERGENCE ADJUSTMENT

1614A1-RU14A2-RU16-216-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA

Strona 9 - PAL CHROMA ADJUSTMENT

1714A1-RU14A2-RU17-217-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA CH

Strona 10 - (Continued)

1814A1-RU14A2-RU18-218-1ADDRESSDATAMICON EEPROM EEPROM CHASSIS CTV FINALLAST INITIAL(HEX) D7 D6 D5 D4 D3 D2 D1 D0DEFAULT RANGEWRITE(CPU) CHECK DATA CH

Strona 11 - MEMORY MAP

1914A1-RU14A2-RU19-219-1TROUBLE SHOOTING TABLE (Continued)NO PICTURE, NO SOUNDDoes noise signal appear at pin (44) of IC801 ?NO SOUNDNo snow noise.Doe

Strona 12 - LETTER NO. LETTER NO

214A1-RU14A2-RU2-22-1IMPORTANT SERVICE NOTESMaintenance and repair of this receiver should be done by qualifiedservice personnel only.SERVICE OF HIGH

Strona 13 - 13-213-1

2014A1-RU14A2-RU20-220-1TROUBLE SHOOTING TABLE (Continued)NO SPECIFIC COLOURIs some colour produced in B/W broadcast reception ?Is the white balance p

Strona 14

2114A1-RU14A2-RU21-221-1UA1 HOTEL MODE APPLICATIONHow to enable/disable the "Hotel Mode" ?Ans: a) Press the R/C (FUNCTION) {1} key until lan

Strona 15 - 15-215-1

2214A1-RU14A2-RU22-222-1TOP VIEWSOLID STATE DEVICE BASE DIAGRAMM24C04WFX0008GE D601AB709A851443122SC18152SC2482PST573JDX0386CE BASE COLLECTOR

Strona 16

2314A1-RU14A2-RU23-223-1WAVEFORMS

Strona 17 - 17-217-1

2414A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJMODEL 14A1-RU CHASSIS LAYOUT

Strona 18

2514A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJMODEL 14A2-RU CHASSIS LAYOUT

Strona 19

2614A1-RU14A2-RUDESCRIPTION OF SCHEMATIC DIAGRAMSAFETY NOTES:1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFOREREPLACING PARTS.2. SEMICONDUCTOR HEAT

Strona 20

2714A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJSCHEMATIC DIAGRAM: CRT Unit

Strona 21 - CONDITION:

292814A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19SCHEMATIC DIAGRAM: MODEL 14A1-RU MAIN Unit

Strona 22 - SIDE VIEW

313014A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19SCHEMATIC DIAGRAM: MODEL 14A2-RU MAIN Unit

Strona 23 - WAVEFORMS

314A1-RU14A2-RU3-23-1ADJUSTMENT PRECAUTIONSThis model's setting are adjusted in two different ways: through the I2C bus control and

Strona 24 - MODEL 14A1-RU CHASSIS LAYOUT

333214A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19BLOCK DIAGRAM - 1/3:MODEL 14A1-RU MAIN UnitPWB-A: MAIN Unit

Strona 25 - MODEL 14A2-RU CHASSIS LAYOUT

353414A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19BLOCK DIAGRAM - 2/3:MODEL 14A2-RU MAIN UnitPWB-A: MAIN Unit

Strona 26

3614A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJBLOCK DIAGRAM - 3/3:CRT UnitPWB-B: CRT Unit

Strona 27 - SCHEMATIC DIAGRAM: CRT Unit

3714A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJPRINTED WIRING BOARD ASSEMBLIESPWB-B: CRT Unit (Wiring Side)

Strona 28

393814A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19PWB-A: MAIN Unit (Wiring Side)

Strona 29

414014A1-RU14A2-RU14A1-RU14A2-RU1 2 3 4 5 6 7 8 9 10ABCDEFGHIJ11 12 13 14 15 16 17 18 19PWB-A: MAIN Unit (Component Side)

Strona 30 - PWB-A: MAIN Unit

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4214A1-RU14A2-RUPARTS LISTPARTS REPLACEMENTReplacement parts which have these spec

Strona 31

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4314A1-RU14A2-RUC356 VCKYCY1HB682K R 6800p 50V Ceramic AAC359 VCEA9M1CW106M R 10 1

Strona 32 - BLOCK DIAGRAM - 3/3:CRT Unit

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4414A1-RU14A2-RURJ85 VRN-MD2AL000J R 0 1/10W Metal Film AARJ87 VRN-MD2AL000J R 0 1

Strona 33 - PWB-B: CRT Unit (Wiring Side)

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4514A1-RU14A2-RUR813 VRN-MD2AL221J R 220 1/10W Metal Film AAR1067 VRN-MD2AL000J R

Strona 34

414A1-RU14A2-RU4-24-1Y-DELAYADJ.MODE↓Y-D TIME FOR PAL (TV) (DL-PT)↓Y-D TIME FOR SECAM (TV) (DL-ST)↓Y-D TIME FOR N358 (TV) (DL-3T)↓Y-D TIME FOR N443 (T

Strona 35

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4614A1-RU14A2-RUP1002 QPLGN0561CEZZ R Plug, 5pin(BC) (14A1-RU) ABP1002 QPLGN0541CE

Strona 36 - PARTS LIST

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4714A1-RU14A2-RU(14A2-RU)1-121-21-41-51-61-31(14A1-RU)1-121-21-41-51-61-31

Strona 37

Ref. No. Part No. Description CodeRef. No. Part No. Description Code4814A1-RU14A2-RUCOPYRIGHT © 2000 BY SHARP CORPORATIONALL RIGHTS RESERVED.No part o

Strona 38 - RESISTORS

514A1-RU14A2-RU5-25-1EEPROM ITEMS OSD DATA LENGTHINITIAL DATAFIX/ADJ REMARKVERTICAL SCAN DISABLE VSD0(DISABLE)/1(ENABLE)0 FIXBLACK STRETCH BKS0(DISABL

Strona 39 - MISCELLANEOUS PARTS

614A1-RU14A2-RU6-26-1INITIAL SETTING(1). In service mode, After execute select POS 1, store the following tuning data in EEPROM.MCL1CH-NO Fv (MHz) SO

Strona 40 - NOT REPLACEMENT ITEM

714A1-RU14A2-RU7-27-1PURITY ADJUSTMENTNo. Adjusting point Adjusting procedure/conditions Waveform and othersPURITY ADJ. 1. Receive the GREEN-ONLY sign

Strona 41 - (14A1-RU)

814A1-RU14A2-RU8-28-1CRT CUT-OFF, BACKGROUND AND SUB-CONTRAST ADJUSTMENTNo. Adjusting point Adjusting procedure/conditions Waveform and othersCRT CUTO

Strona 42

914A1-RU14A2-RU9-29-1No. Adjusting point Adjusting procedure/conditions Waveform and othersSUB-TINT (I2CBUS CON-TROL)1. Receive the "NTSC3.58 Col

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