Sharp 14A1-RU Service Manual
Sharp 14A1-RU Service Manual

Sharp 14A1-RU Service Manual

Colour television

Advertisement

(14A1-RU)
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.
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>
» SPECIFICATIONS .............................. 2
» IMPORTANT SERVICE NOTES ......... 2
» ADJUSTMENT PRECAUTIONS ......... 3
» TROUBLE SHOOTING TABLE ......... 19
» HOTEL MODE APPLICATION .......... 21
DIAGRAM ......................................... 22
» WAVEFORMS ................................... 23
» CHASSIS LAYOUT ........................... 24
GRAM ............................................... 26
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.

SERVICE MANUAL

(14A2-RU)
FEATURE
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
CONTENTS
Page
» BLOCK DIAGRAM ............................ 32
» REPLACEMENT PARTS LIST
WARNING

SHARP CORPORATION

1
COLOUR TELEVISION
Chassis No. UA-1
14A2-RU
MODELS
CRT Unit ....................................... 27
MAIN Unit ..................................... 28
BLIES ................................................ 37
ELECTRICAL PARTS ................... 42
MISCELLANEOUS PARTS ........... 46
PACKING PARTS ......................... 46
CABINET PARTS .......................... 46
14A1-RU
14A2-RU
SX0M114A1-RU/
Page

Advertisement

Table of Contents
loading

Summary of Contents for Sharp 14A1-RU

  • Page 1: Table Of Contents

    14A1-RU 14A2-RU SERVICE MANUAL SX0M114A1-RU/ COLOUR TELEVISION Chassis No. UA-1 14A1-RU (14A1-RU) (14A2-RU) 14A2-RU MODELS 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.
  • Page 2: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 3: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 4: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 5: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 6: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 7: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 8: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 9: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 10: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 11: 14A1-Ru

    14A1-RU 14A2-RU MEMORY MAP DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE REMARK SETTING DATA 00-FF PASS WORD 00-FF PASS WORD 00-FF PASS WORD 00-FF PASS WORD...
  • Page 12: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA SETTING DATA 00-0F SHARPNESS-OFFSET (SECAM) 00-0F SHARPNESS-OFFSET (N358) 00-0F SHARPNESS-OFFSET (N433) 00-FF 00-FF N443 N358 PB-SEC 00-FF...
  • Page 13: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA TUNING FREQUANCY (HIGHER PART) POS 4 TUNING FREQUANCY (LOWER PART) S-SYS (auto) C-SYS...
  • Page 14: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA TUNING FREQUANCY (LOWER PART) POS 25 S-SYS (auto) C-SYS TUNING FREQUANCY (HIGHER PART)
  • Page 15: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA POS 46 TUNING FREQUANCY (HIGHER PART) POS 47 TUNING FREQUANCY (LOWER PART) S-SYS...
  • Page 16: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA TUNING FREQUANCY (HIGHER PART) POS 68 TUNING FREQUANCY (LOWER PART) S-SYS (auto) C-SYS...
  • Page 17: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA POS 89 TUNING FREQUANCY (HIGHER PART) POS 90 TUNING FREQUANCY (LOWER PART) S-SYS...
  • Page 18: 14A1-Ru

    14A1-RU 14A2-RU DATA ADDRESS MICON EEPROM EEPROM CHASSIS CTV FINAL LAST INITIAL (HEX) DEFAULT RANGE REMARK WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA MODEL MODEL LETTER NO. LETTER NO.
  • Page 19: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 20: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 21: 14A1-Ru

    14A1-RU 14A2-RU...
  • Page 22: Solid State Device Base Diagram

    14A1-RU 14A2-RU SOLID STATE DEVICE BASE DIAGRAM TOP VIEW COLLECTOR COLLECTOR COLLECTOR :BG: BASE EMITTER BASE EMITTER BASE EMITTER M24C04W B709A FX0008GE D601A 2SC2735 iX3368CE SIDE VIEW BASE 1 2 3 COLLECTOR BASE EMITTER COLLECTOR SE115N EMITTER PST573J DX0386CE 2SC1815...
  • Page 23: Waveforms

    14A1-RU 14A2-RU WAVEFORMS...
  • Page 24: Chassis Layout

    14A1-RU 14A2-RU MODEL 14A1-RU CHASSIS LAYOUT...
  • Page 25: 14A1-Ru

    14A1-RU 14A2-RU MODEL 14A2-RU CHASSIS LAYOUT...
  • Page 26: Description Of Schematic Diagram

    14A1-RU 14A2-RU DESCRIPTION OF SCHEMATIC DIAGRAM SAFETY NOTES: NOTES: 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE 1. The unit of resistance "ohm" is omitted. (K = 1000 ohms, M = Mega ohm). REPLACING PARTS. 2. All resistors are 1/8 watt, unless otherwise noted.
  • Page 27: Schematic Diagram Crt Unit

    14A1-RU 14A2-RU SCHEMATIC DIAGRAM: CRT Unit...
  • Page 28: Main Unit

    14A1-RU 14A1-RU 14A2-RU 14A2-RU SCHEMATIC DIAGRAM: MODEL 14A1-RU MAIN Unit...
  • Page 29 14A1-RU 14A1-RU 14A2-RU 14A2-RU SCHEMATIC DIAGRAM: MODEL 14A2-RU MAIN Unit...
  • Page 30: Block Diagram

    14A1-RU 14A1-RU 14A2-RU 14A2-RU BLOCK DIAGRAM - 1/3:MODEL 14A1-RU MAIN Unit PWB-A: MAIN Unit...
  • Page 31 14A1-RU 14A1-RU 14A2-RU 14A2-RU BLOCK DIAGRAM - 2/3:MODEL 14A2-RU MAIN Unit PWB-A: MAIN Unit...
  • Page 32 14A1-RU 14A2-RU BLOCK DIAGRAM - 3/3:CRT Unit PWB-B: CRT Unit...
  • Page 33: Printed Wiring Board Assemblies

    14A1-RU 14A2-RU PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Unit (Wiring Side)
  • Page 34 14A1-RU 14A1-RU 14A2-RU 14A2-RU PWB-A: MAIN Unit (Wiring Side)
  • Page 35 14A1-RU 14A1-RU 14A2-RU 14A2-RU PWB-A: MAIN Unit (Component Side)
  • Page 36: Parts List

    (NOT REPLACEMENT ITEM) D606 RH-DX0475CEZZ R Diode D607 RH-EX0662GEZZ R Zener Diode D608 RH-EX0604GEZZ R Zener Diode PWB-A DUNTK9988WEV4 - Main Unit (14A1-RU) — D609 RH-DX0475CEZZ R Diode PWB-A DUNTK9988WEV8 - Main Unit (14A2-RU) — D610 RH-EX0662GEZZ R Zener Diode PWB-B DUNTK9990WEV4 - CRT Unit —...
  • Page 37 14A1-RU 14A2-RU Ref. No. Part No. Description Code Ref. No. Part No. Description Code D806 RH-DX0475CEZZ R Diode C356 VCKYCY1HB682K R 6800p 50V Ceramic D1001 RH-PX0423CEZZ R PhotoDiode C359 VCEA9M1CW106M R 10 Electrolytic D1004 RH-DX0475CEZZ R Diode C360 VCEA9M1HW225M R 2.2...
  • Page 38 14A1-RU 14A2-RU Ref. No. Part No. Description Code Ref. No. Part No. Description Code C753 VCKYPA2HB102K R 1000p 500V Ceramic RJ85 VRN-MD2AL000J 1/10W Metal Film C754 VCEA0A1CW476M R 47 Electrolytic RJ87 VRN-MD2AL000J 1/10W Metal Film C755 VCEA0A1CW108M R 1000 16V...
  • Page 39 VRN-MD2AL103J R 10k 1/10W Metal Film P712 QPLGN0269GEZZ R Plug, 2pin R808 VRN-MD2AL221J R 220 1/10W Metal Film P1001 QPLGN0561CEZZ R Plug, 5pin(K) (14A1-RU) R809 VRD-RA2BE224J R 220k 1/8W Carbon P1001 QPLGN0541CEZZ R Plug, 5pin(K) (14A2-RU) R812 VRN-MD2AL101J R 100...
  • Page 40: Miscellaneous Parts

    P1002 QPLGN0541CEZZ R Plug, 5pin(BC) (14A2-RU) RMC1001 RRMCU0235CEZZ R Remote Receiver TP201 QLUGP0102PEZZ R Lug SP301 VSP9050PB25WA R Speaker RDA300 PRDAR0142PEFW R Heat Sink for IC301(14A1-RU)AD SP301 VSP9050PB25WA R Speaker (14A2-RU) RDA300 PRDAR0248PEFW R Heat Sink for IC301(14A2-RU)AF QACCZ2008PEZZ R AC Cord...
  • Page 41 14A1-RU 14A2-RU Ref. No. Part No. Description Code Ref. No. Part No. Description Code (14A1-RU) (14A2-RU)
  • Page 42 Code Ref. No. Part No. Description Code COPYRIGHT © 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher.

This manual is also suitable for:

14a2-ru

Table of Contents