Sharp 32F830 Service Manual

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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.

» ELECTRICAL SPECIFICATIONS ......................................................................................................... 1

» IMPORTANT SERVICE SAFETY PRECAUTION ................................................................................. 2

» LOCATION OF USER'S CONTROL ..................................................................................................... 4

» INSTALLATION AND SERVICE INSTRUCTIONS ................................................................................ 5

» SERVICE ADJUSTMENT ................................................................................................................... 10

» CHASSIS LAYOUT ............................................................................................................................. 13

» BLOCK DIAGRAM .............................................................................................................................. 14

» DESCRIPTION OF SCHEMATIC DIAGRAM ...................................................................................... 15

» WAVEFORMS ..................................................................................................................................... 16

» SCHEMATIC DIAGRAMS ................................................................................................................... 17

» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 30

» REPLACEMENT PARTS LIST ............................................................................................................ 35

» PACKING OF THE SET ...................................................................................................................... 45

POWER INPUT ..................................................... 120V AC, 60 Hz

POWER RATING .................................................................. 160W

PICTURE SIZE .......................................... 3,074 cm

CONVERGENCE ............................................................. Magnetic

SWEEP DEFLECTION .................................................... Magnetic

FOCUS ............................................... Hi-Bi-Potential Electrostatic

INTERMEDIATE FREQUENCIES

Picture IF Carrier Frequency ..................................... 45.75 MHz

Sound IF Carrier Frequency ...................................... 41.25 MHz

Color Sub-Carrier Frequency .................................... 42.17 MHz

AUDIO POWER

OUTPUT RATING .............. 5.0W + 5.0W (at 10% distortion and

SHARP CORPORATION

SERVICE MANUAL

MODEL

CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER

SIZE ........................................................ 12 x 6 cm oval (2 pcs.)

(476sq inch)

VOICE COIL IMPEDANCE ............................... 8 ohm at 400 Hz

ANTENNA INPUT IMPEDANCE

VHF/UHF ..................................................... 75 ohm Unbalanced

TUNING RANGES

VHF-Channels ............................................................... 2 thru 13

UHF-Channels ............................................................ 14 thru 69

CATV Channels ........................................................... 1 thru 125

(Nominal)

Dual CH Operate)

Specifications are subject to change without

prior notice.

This document has been published to be used for after

sales service only.

The contents are subject to change without notice.

COLOR TELEVISION

Chassis No. GB-3U

32F830

(EIA, Channel Plan U.S.A.)

32F830

S43Z832F830//

Page

Table of Contents

Summary of Contents for Sharp 32F830

Page 1: Table Of Contents
32F830 SERVICE MANUAL S43Z832F830// COLOR TELEVISION Chassis No. GB-3U 32F830 MODEL 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: Important Service Safety Precaution
32F830 IMPORTANT SERVICE SAFETY PRECAUTION Ë Service work should be performed only by qualified service technicians who are thoroughly familiar with all safety checks and the servicing guidelines which follow: WARNING X-RADIATION AND HIGH VOLTAGE LIMITS 1. For continued safety, no modification of any circuit 1.
Page 3 32F830 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) • Connect the resistor connection to all exposed metal BEFORE RETURNING THE RECEIVER parts having a return to the chassis (antenna, metal (Fire & Shock Hazard) cabinet, screw heads, knobs and control shafts, escutcheon, etc.) and measure the AC voltage drop Before returning the receiver to the user, perform across the resistor.
Page 4: Location Of User's Control
32F830 LOCATION OF USER'S CONTROL...
Page 5: Installation And Service Instructions
32F830 INSTALLATION AND SERVICE INSTRUCTIONS Note: (1) When performing any adjustments to resistor controls and transformers use non-metallic screwdrivers or TV alignment tools. (2) Before performing adjustments, the TV set must be on at least 15 minutes. HIGH VOLTAGE CHECK CIRCUIT PROTECTION The receiver is protected by a 4.0A fuse (F701),...
Page 6 32F830 For adjustments of this model, the bus data is converted to various analog signals by the D/A converter circuit. Note: There are still a few analog adjustments in this series such as focus and master screen voltage. Follow the steps below whenever the service adjustment is required. See "Table-B" to determine, if serv- ice adjustments are required.
Page 7 0-63 (00h-3Fh) 50 (32h) ANT-A Input ANT-A BRIGHT 0-127 (00h-7Fh) 77 (4Dh) ANT-A Input AUTO FRESH 0-1 (00h-01h) 0 (00h) SHARP P F 0-1 (00h-01h) 1 (01h) CD MATRIX 0-3 (00h-03h) 2 (02h) B-Y ATT 0-1 (00h-01h) 0 (00h) R-Y ATT...
Page 8 32F830 DATA SERVICE NOTES FIXED VALUE ADJUSTMENT ITEM NUMBER RANGE (HEX) INITIAL VALUE AFC GAIN 0-3 (00h-03h) 2 (02h) V EHT 0-7 (00h-07h) 6 (06h) H EHT 0-7 (00h-07h) 6 (06h) EW CORNER 0-31 (00h-1Fh) 8(08h) EW CORNER BOTTOM 19-81 (13h-51h) 50 (32h) Offset toward D13.
Page 9 32F830 DATA SERVICE NOTES FIXED VALUE ADJUSTMENT ITEM NUMBER RANGE (HEX) INITIAL VALUE BBE-L Effect 0-15 (00h-0Fh) 15 (0Fh) BBE-H Effect 0-15 (00h-0Fh) 15 (0Fh) AGC Level 0-7 (00h-07h) 1 (01h) BASS Offset 0-31 (00h-1Fh) 15 (0Fh) TREBLE Offset 0-31 (00h-1Fh)
Page 10: Service Adjustment
32F830 SERVICE ADJUSTMENT RF AGC Adjustment Sub-picture and Sub-Bright Adjustments 1. Receive a good local channel. 1. Receive the window pattern signal. • RF INPUT (TU51) 2. Enter the service mode and select the service adjustment "R01". 2. Get into service adjustment data "V01" and "V05" and 3.
Page 11 32F830 Focus Adjustment Horizontal-Size Adjustment 1. Receive a good local channel. 1. Receive a good local channel. 2. Adjust the FOCUS VR of the flyback transformer to (SCREEN FORMAT 4:3) make the image as fine as possible. 2. Enter the service mode and select the service adjustment "D04"...
Page 12 32F830 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT MTS Level Adjustment P-IN-P Y-LEVEL Adjustment 1. Set the sound volume above 1. 1. Receive a good local channel. 2. Enter the service mode and select the service Monoral signal: 400Hz, 100% modulation 2.
Page 13: Chassis Layout
32F830 CHASSIS LAYOUT...
Page 14: Block Diagram
32F830 BLOCK DIAGRAM...
Page 15: Description Of Schematic Diagram
32F830 DESCRIPTION OF SCHEMATIC DIAGRAM WAVEFORM MEASUREMENT CONDITIONS: NOTES: 1. Photographs taken on a standard gated color bar 1. The unit of resistance "ohm" is omitted. Ω Ω Ω signal, the tint setting adjusted for proper color. The (K=k =1000...
Page 16: Waveforms
32F830 WAVEFORMS...
Page 17: Schematic Diagrams
32F830 SCHEMATIC DIAGRAM: CRT Unit VB80AJZ90X+3E...
Page 18 32F830 SCHEMATIC DIAGRAM: MAIN-1 Unit...
Page 19 32F830...
Page 20 32F830 SCHEMATIC DIAGRAM: MAIN-2 Unit...
Page 21 32F830...
Page 22 32F830 SCHEMATIC DIAGRAM: 3 LINE Y/C Unit...
Page 23 32F830...
Page 24 32F830 SCHEMATIC DIAGRAM: DF MODULE Unit...
Page 25 32F830...
Page 26 32F830 SCHEMATIC DIAGRAM: P-IN-P Unit...
Page 27 32F830...
Page 28 32F830 SCHEMATIC DIAGRAM: 2-TUNER Unit...
Page 29 32F830 SCHEMATIC DIAGRAM: AUDIO Unit...
Page 30: Printed Wiring Board Assemblies
32F830 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side)
Page 31 32F830 PWB-A: MAIN Unit (Chip Parts Side)
Page 32 32F830 PWB-B: CRT Unit (Wiring Side) PWB-C: 3 LINE Y/C Unit (Wiring Side) PWB-C: 3 LINE Y/C Unit (Chip Parts Side)
Page 33 32F830 PWB-E: 2-TUNER Unit (Wiring Side) PWB-H: DF MODULE Unit (Wiring Side)
Page 34 32F830 PWB-R: P-IN-P Unit (Wiring Side) PWB-R: P-IN-P Unit (Chip Parts Side) PWB-S: AUDIO Unit (Wiring Side) PWB-S: AUDIO Unit (Chip Parts Side)
Page 35: Replacement Parts List
3. PART NO. 4. DESCRIPTION IC751 VHiPQ09RD11-1 X PQ09RD11 IC900 VHiCXA2089Q-2Y X CXA2089Q-6T in USA: Contact your nearest SHARP Parts Distributor to order. For IC1403 VHiPQ05RD11-1 X PQ05RD11 location of SHARP Parts Distributor, Please call Toll-Free; 1- IC2001 RH-iXA418WJZZQ X TMP88CS38BFG 800-BE-SHARP...
Page 36 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code CAPACITORS PWB-A: DUNTKB567WEW3 VCEA0A1HW105M+X 1 Electrolytic MAIN UNIT (Continued) VCEA0A1HW475M+X 4.7 Electrolytic VCEA0A0JW108M+ X 1000 6.3V Electrolytic ∗ ∗ D502 VHD1SS119//-1 X 1SS119 VCKYCY1HF103Z X 0.01 Ceramic ∗...
Page 37 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ C902 VCKYCY1HB103K X 0.01 Ceramic PWB-A: DUNTKB567WEW3 ∗ C903 VCKYCY1HB681K X 680p 50V Ceramic MAIN UNIT (Continued) C904 VCEA0A1HW105M+X 1 Electrolytic C905 VCEA0A1HW105M+X 1 Electrolytic ∗...
Page 38 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ R441 VRS-CY1JF472J X 4.7k 1/16W Metal Oxide PWB-A: DUNTKB567WEW3 ∗ R442 VRS-CY1JF101J X 100 1/16W Metal Oxide ∗ MAIN UNIT (Continued) R444 VRS-CY1JF332J X 3.3k 1/16W Metal Oxide ∗...
Page 39 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ R925 VRS-CY1JF473J X 47k 1/16W Metal Oxide PWB-A: DUNTKB567WEW3 ∗ R927 VRS-CY1JF750J X 75 1/16W Metal Oxide ∗ MAIN UNIT (Continued) R929 VRS-CY1JF473J X 47k 1/16W Metal Oxide ∗...
Page 40 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code J921 QSOCD0430CEZZ X S-Video Terminal PWB-A: DUNTKB567WEW3 J1401 QTANZA013WJZZ X AV In/Out Terminal MAIN UNIT (Continued) P361 QPLGN0461CEZZA X Plug, 4Pin(S1-4) P401 QPLGN0861CEZZA X Plug, 8Pin(CJ) ∗...
Page 41 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTKA527WEV9 TRANSISTORS ∗ Q1401 VS2SD601AR/-1 X 2SD601AR CRT UNIT (Continued) ∗ Q1402 VS2SD601AR/-1 X 2SD601AR ∗ Q1403 VS2SB709AR/-1 X 2SB709AR C1515 VCEA0A1HW476M+X 47 Electrolytic ∗ Q1404 VS2SD601AR/-1...
Page 42 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKB573WEV0 MISCELLANEOUS PARTS 3 LINE Y/C UNIT (Continued) QCNW-B024WJZZ X Connecting Cord QPLGN1061CEZZ X Plug, 10Pin ∗ R1428 VRS-CY1JF332J X 3.3k 1/16W Metal Oxide UB51 QTANNA001WJ00 X Sub Out Terminal ∗...
Page 43 32F830 Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ C1821 VCKYCY1HF103Z X 0.01 Ceramic PWB-H: DUNTKB569WEV0 C1822 VCEA0A1HW106M+X 10 Electrolytic DF MODULE UNIT (Continued) C1841 VCEA0A1HW106M+X 10 Electrolytic ∗ C1842 VCKYCY1HF103Z X 0.01 Ceramic ∗...
Page 44 C3503 VCKYCY1HB822K X 8200p 50V Ceramic Not Available – Front Cabinet — ∗ C3504 VCKYCY1HB332K X 3300p 50V Ceramic HBDGB3141CESA X SHARP Badge ∗ C3505 VCKYCY1CB333K X 0.033 16V Ceramic GCOVAA343WJSA X RC Cover ∗ C3506 VCKYCY1HB152K X 1500p 50V Ceramic GCOVHA017WJKZ X Cover C3507 VCFYFA1HA224J+ X 0.22...
Page 45: Packing Of The Set
32F830 PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Polyethylene Sheet Buffer Material FRONT Packing Case Use tape to fix the top side of packing case. REAR Use 12 staples to fix the bottom side of packing case.
Page 46 32F830 COPYRIGHT © 2003 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.

Sharp 32F830 Service Manual

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ELECTRICAL SPECIFICATIONS

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Summary of Contents for Sharp 32F830

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