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Sharp 14D1-S Service Manual

Sharp 14D1-S Service Manual

Colour television

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14D1-S/G/W
In the interests of user-safety (Required by safety regulations in some countries) the set should be re-
stored 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 CATV(Hyper Band) Ready
<Used Frequency Synthesizer Tuner>
Ë AVL(Sound Keeper) Function
Ë Black Stretch Circuit
Ë On Timer/Sleep Timer/Reminder Timer
Ë Blue Back Noise Mute
» SPECIFICATIONS ............................................. 2
» IMPORTANT SERVICE NOTES ........................ 2
» ADJUSTMENT PRECAUTIONS ........................ 3
» MEMORY MAP ................................................ 11
» GA1 HOTEL MODE APPLICATION ................ 15
» TROUBLE SHOOTING TABLE ........................ 15
» WAVEFORMS .................................................. 18
» SOLID STATE DEVICE BASE DIAGRAM ....... 20
» CHASSIS LAYOUT .......................................... 21
» BLOCK DIAGRAM ........................................... 23
» DESCRIPTION OF SCHEMATIC DIAGRAM .. 28
» SCHEMATIC DIAGRAM
Ë CRT UNIT ..................................................... 29
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

14D2-S/G
MODELS

FEATURES

Ë Front Headphone Terminal
Ë Front AV-In & Rear AV-In/Out Terminals
Ë Colour Comb Filter(NTSC only)
Ë High Contrast Picture
Ë Hotel Mode
Ë Arabic/Chinese/English/French/Malay/Russian
Ë White Temperature Adjustment
CONTENTS
Page
WARNING

SHARP CORPORATION

1
COLOUR TELEVISION
Chassis No. GA-1AM
14D1-S/G/W
14D2-S/G
(Front Priority)
6 Languages OSD
Ë HEAD PHONE UNIT .................................... 29
Ë MAIN UNIT ................................................... 30
» PRINTED WIRING BOARD ASSEMBLIES ..... 34
» REPLACEMENT PARTS LIST
Ë ELECTRICAL PARTS
Main Unit ................................................... 39
Crt Unit ..................................................... 42
Head Phone Unit .................................... 43
Ë SUPPLIED ACCESSORIES ......................... 43
Ë PACKING PARTS ......................................... 43
Ë CABINET PARTS ......................................... 44
» PACKING OF THE SET ................................... 45
14D1-S/G/W
14D2-S/G
SX2T914D-1S//
Page

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Table of Contents
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Summary of Contents for Sharp 14D1-S

  • Page 1: Service Manual

    14D1-S/G/W 14D2-S/G SERVICE MANUAL SX2T914D-1S// COLOUR TELEVISION Chassis No. GA-1AM 14D1-S/G/W 14D2-S/G 14D1-S/G/W 14D2-S/G MODELS In the interests of user-safety (Required by safety regulations in some countries) the set should be re- stored to its original condition and only parts identical to those specified should be used.
  • Page 2 14D1-S/G/W 14D2-S/G...
  • Page 3 14D1-S/G/W 14D2-S/G...
  • Page 4 14D1-S/G/W 14D2-S/G...
  • Page 5 14D1-S/G/W 14D2-S/G...
  • Page 6 14D1-S/G/W 14D2-S/G...
  • Page 7 14D1-S/G/W 14D2-S/G...
  • Page 8 14D1-S/G/W 14D2-S/G...
  • Page 9 14D1-S/G/W 14D2-S/G...
  • Page 10 14D1-S/G/W 14D2-S/G...
  • Page 11 14D1-S/G/W 14D2-S/G...
  • Page 12 14D1-S/G/W 14D2-S/G...
  • Page 13 14D1-S/G/W 14D2-S/G...
  • Page 14 14D1-S/G/W 14D2-S/G...
  • Page 15 14D1-S/G/W 14D2-S/G...
  • Page 16 14D1-S/G/W 14D2-S/G...
  • Page 17 14D1-S/G/W 14D2-S/G...
  • Page 18: Waveforms

    14D1-S/G/W 14D2-S/G WAVEFORMS(14D1-S/G/W) 5) 70.0 Vp-p (H) 1) 1.0 Vp-p 2) 3.00 Vp-p (H) 3) 3.10 Vp-p (H) 4) 3.10 Vp-p (H) 7) 79.2 Vp-p (H) 8) 3.2 Vp-p (H) 9) 2.32 Vp-p (H) 10) 122 Vp-p (H) 6) 78.4 Vp-p (H) 11) 8.8 Vp-p (H)
  • Page 19 14D1-S/G/W 14D2-S/G WAVEFORMS(14D2-S/G) 1) 1.0 Vp-p 2) 3.00 Vp-p (H) 3) 3.10 Vp-p (H) 4) 3.10 Vp-p (H) 5) 70.0 Vp-p (H) 6) 78.4 Vp-p (H) 7) 79.2 Vp-p (H) 8) 3.2 Vp-p (H) 9) 2.32 Vp-p (H) 10) 122 Vp-p (H) 11) 8.8 Vp-p (H)
  • Page 20: Solid State Device Base Diagram

    14D1-S/G/W 14D2-S/G SOLID STATE DEVICE BASE DIAGRAM TOP VIEW COLLECTOR COLLECTOR :BR: BASE EMITTER BASE EMITTER CAT24W04 B709A D601A (BR24C04) (M24C04W) IX3368CE SIDE VIEW BASE COLLECTOR BASE EMITTER COLLECTOR EMITTER TX0110BM DX0111PE TX0124BM 2SC3207 2SC3198 CATHODE ANODE (RED) 1 2 3...
  • Page 21: Chassis Layout

    14D1-S/G/W 14D2-S/G MODEL 14D1-S/G/W CHASSIS LAYOUT...
  • Page 22 14D1-S/G/W 14D2-S/G MODEL 14D2-S/G CHASSIS LAYOUT...
  • Page 23: Block Diagram

    14D1-S/G/W 14D2-S/G BLOCK DIAGRAM:CRT UNIT BLOCK DIAGRAM:HEADPHONE UNIT...
  • Page 24 14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G MODEL 14D1-S/G/W BLOCK DIAGRAM:MAIN UNIT 24~25...
  • Page 25 14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G MODEL 14D2-S/G BLOCK DIAGRAM:MAIN UNIT 26~27...
  • Page 26: Description Of Schematic Diagram

    14D1-S/G/W 14D2-S/G DESCRIPTION OF SCHEMATIC DIAGRAM SAFETY NOTES: NOTES: 1. The unit of resistance "ohm" is omitted. 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. (K = 1000 ohms, M = Mega ohm). 2. All resistors are 1/10 watt, unless otherwise noted.
  • Page 27 14D1-S/G/W 14D2-S/G SCHEMATIC DIAGRAM:CRT UNIT SCHEMATIC DIAGRAM:HEADPHONE UNIT...
  • Page 28 14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G SCHEMATIC DIAGRAM:MAIN UNIT (14D1-S/G/W) 30~31...
  • Page 29 14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G SCHEMATIC DIAGRAM:MAIN UNIT (14D2-S/G) 32~33...
  • Page 30: Printed Wiring Board Assemblies

    14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN UNIT (WIRING SIDE) 34~35...
  • Page 31 14D1-S/G/W 14D1-S/G/W 14D2-S/G 14D2-S/G PWB-A: MAIN UNIT (Chip Parts Side) 36~37...
  • Page 32: Crt Unit

    14D1-S/G/W 14D2-S/G PWB-B: CRT UNIT (WIRING SIDE) PWB-B: CRT UNIT (Chip Parts Side) PWB-C: HEADPHONE UNIT (WIRING SIDE) R J 62 R 370 PWB-B: HEADPHONE UNIT (Chip Parts Side)
  • Page 33: Replacement Parts List

    VS2PD601AR/-1Y R 2PD601AR (14D2-S/G) (NOT REPLACEMENT ITEM) DIODES AND LED’S D201 RH-EX0676GEZZY R Zener Diode 32.5V D203 RH-DX0045GEZZY R Diode PWB-A DUNTKB508WEA4 - Main Unit (14D1-S/G) — D301 VHD1SS119//-1Y R 1SS119 PWB-A DUNTKB508WEA5 - Main Unit (14D2-S/G) — D302 VHD1SS119//-1Y...
  • Page 34 14D1-S/G/W 14D2-S/G Ref. No. Part No. Description Code Ref. No. Part No. Description Code D802 RH-DX0045GEZZY R Diode C509 VCEA0A1CW477M+R 470 16V Electrolytic D803 RH-DX0045GEZZY R Diode C510 VCKYPA2HB102K+ R 1000p 500V Ceramic D804 RH-DX0045GEZZY R Diode C514 VCFYSA1JB563J+ R 0.056 63V Mylar...
  • Page 35 14D1-S/G/W 14D2-S/G Ref. No. Part No. Description Code Ref. No. Part No. Description Code R359 VRN-MD2AL102J R 1k 1/10W Metal Film RESISTORS R360 VRN-MD2AL103J R 10k 1/10W Metal Film VRN-MD2AL000J 1/10W Metal Film R361 VRN-MD2AL104J R 100k 1/10W Metal Film...
  • Page 36 14D1-S/G/W 14D2-S/G Ref. No. Part No. Description Code Ref. No. Part No. Description Code å P601 QPLGN0660CEZZ R Plug, 6pin(F) R802 VRN-MD2AL221J R 220 1/10W Metal Film P602 LHLDW1104PEZZ R Holder(H) R803 VRN-MD2AL221J R 220 1/10W Metal Film P603 QPLGN0341CEZZ R Plug, TP651-3...
  • Page 37 R Operation Manual (14D2-S/G) TINS-A425WJZZ R Operation Manual (14D1-W) QANTR0018PEZZ R Rod Antenna (except 14D1-W) TMAPCA013WJZZ R Map (14D2-S/G) TMAPCA014WJZZ R Map (14D1-S/G) ACCESSORIE (NOT REPLACEMENT ITEM) TCAUA0002PEZZ - Caution Card — PACKING PARTS (NOT REPLACEMENT ITEM) SPAKCA285WJZZ - Packing Case —...
  • Page 38 CCABAA178WEV0 R Top Cabinet Ass'y (14D1-G) CCABAA179WEV0 R Top Cabinet Ass'y (14D1-W) Not Available - Top Cabinet — HBDGB0018PESB R SHARP Badge JBTN-A067WJSA R CTL Buton GCOVAA193WJSA R RC/LED Cover JBTN-A066WJSA R Power Button MSPRC0005PEFW R Power Button Spring CCABBA087WEV0 R Rear Cabinet Ass'y...
  • Page 39: Packing Of The Set

    14D1-S/G/W 14D2-S/G PACKING OF THE SET Polystyrene Bag Buffer Material Operation Manual Batteries Wrapping Paper Infrared Remote Control Unit Buffer Material Packing Case Serial Number Card Fix the packing case with 22 staples Number Card Mark : Not Replacement Item...
  • Page 40 Code Ref. No. Part No. Description Code COPYRIGHT © 2002 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.

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