Sharp 27R-FS1 Service Manual
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Sharp 27R-FS1 Service Manual

Sharp 27R-FS1 Service Manual

Chassis no.v01a
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Download this manual See also: Operating Manual
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
» CHASSIS LAYOUT ............................................................................................................................... 12
» BLOCK DIAGRAM ................................................................................................................................ 14
» SCHEMATIC DIAGRAMS ..................................................................................................................... 16
» PRINTED WIRING BOARD ASSEMBLIES .......................................................................................... 28
» REPLACEMENT PARTS LIST .............................................................................................................. 34
» PACKING OF THE SET ........................................................................................................................ 47
POWER INPUT ...................................................... 120V AC 60 Hz
POWER RATING .................................................................. 134W
PICTURE SIZE ........................................ 1,240cm
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 .................... 5W + 5W (at 10% distortion and

SHARP CORPORATION

SERVICE MANUAL

MODEL
CONTENTS
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE ..................................................................... 10 cm (2 pcs.)
VOICE COIL IMPEDANCE .............................. 8 ohm at 400 Hz
2
(192.2sq inch)
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)
Specifications are subject to change without
prior notice.
Dual CH Operate)
This document has been published to be used for after
sales service only.
1
The contents are subject to change without notice.
COLOR TELEVISION
Chassis No. V01A
27R-FS1
(EIA, Channel Plan U.S.A.)
27R-FS1
S61W527R-FS1/
Page

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  • Page 1: Table Of Contents

    27R-FS1 SERVICE MANUAL S61W527R-FS1/ COLOR TELEVISION Chassis No. V01A 27R-FS1 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

    27R-FS1 IMPORTANT SERVICE SAFETY PRECAUTION 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: Safety Notice

    27R-FS1 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

    27R-FS1 LOCATION OF USER'S CONTROL Front Panel POWER Press → On. VIDEO/AUDIO IN 2 TERMINALS Press again → Off. SENSOR AREA FOR (INSIDE DOOR) REMOTE CONTROL VOLUME UP/DOWN MENU. Press → Accesses MAIN (+) Increases sound. CHANNEL UP/DOWN MENU. (–) Decreases sound.

  • Page 5: Installation And Service Instructions

    27R-FS1 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 6.3A fuse (F701),...
  • Page 6 27R-FS1 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-C" to determine, if serv- ice adjustments are required.
  • Page 7 27R-FS1...
  • Page 8 27R-FS1...

  • Page 9: Service Adjustment

    27R-FS1 SERVICE ADJUSTMENT Screen Adjustment Video-Tint Adjustment 1. Receive a good local channel. 1. Enter the service mode and select the service No. 2. Enter the service mode and select the service No. "V15". "V03" and set the data value to "00" to set the color 2.
  • Page 10 27R-FS1 Side Pincushion Adjustment Corner Distortion Adjustment 1. Receive a good CATV channel or crosshatch pattern 1. Receive a good CATV channel or crosshatch pattern signal. signal. 2. Set to standard setting mode. 2. Set to standard setting mode. 3. Enter the service mode and select the service No.

  • Page 11: Mts Adjustment

    27R-FS1 Ë MTS ADJUSTMENT MTS Level Adjustment 1. Feed the following monaural signal to pin (14) of IC3001. Monaural signal : 300Hz, 245mVrms 2. Connect the rms voltmeter to pin (39) of IC3001. 3. Enter the service mode and select the service No.

  • Page 12: Chassis Layout

    27R-FS1 CHASSIS LAYOUT...

  • Page 13: Block Diagram

    27R-FS1 BLOCK DIAGRAM...

  • Page 14: Description Of Schematic Diagram

    27R-FS1 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. (K=k Ω =1000 Ω , M=M Ω ) signal, the tint setting adjusted for proper color. The wave shapes at the red, green and blue cathodes of 2.
  • Page 15 27R-FS1 SCHEMATIC DIAGRAM: CRT Unit...

  • Page 16: Schematic Diagrams

    27R-FS1 SCHEMATIC DIAGRAM: MAIN Unit-1/3...
  • Page 17 27R-FS1 SCHEMATIC DIAGRAM: MAIN Unit-2/3...
  • Page 18 27R-FS1 SCHEMATIC DIAGRAM: MAIN Unit-3/3...
  • Page 19 27R-FS1 SCHEMATIC DIAGRAM: POWER Unit...
  • Page 20 27R-FS1 SCHEMATIC DIAGRAM: MTS MODULE Unit...
  • Page 21 27R-FS1 SCHEMATIC DIAGRAM: CONTROL Unit...

  • Page 22: Printed Wiring Board Assemblies

    27R-FS1 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side)
  • Page 23 27R-FS1 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 24 27R-FS1 PWB-B: CRT Unit (Wiring Side)
  • Page 25 27R-FS1 PWB-C: POWER Unit (Wiring Side)
  • Page 26 27R-FS1 PWB-F: CONTROL Unit (Wiring Side)
  • Page 27 27R-FS1 PWB-E: MTS MODULE Unit (Wiring Side) PWB-E: MTS MODULE Unit (Chip Parts Side)

  • Page 28: Printed Wiring Board Assemblies

    J I.C. IC3103 VHiM51943BS-1 J M51943BS in USA: Contact your nearest SHARP Parts Distributor to order. IC3104 VHiBR24C16/-1 J I.C. For location of SHARP Parts Distributor, Please call Toll- IC3205 VHiS81350HG-1 J S81350HG Free; 1-800-BE-SHARP IC3601 VHiTA8211AH-1 J TA8211AH IC3602 VHiBA15218F2E...
  • Page 29 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA487WEF3 L2107 VP-XF1R0K0000 J Peaking 1µH L2109 VP-XF330K0000 J Peaking 33µH MAIN UNIT (Continued) L2113 VP-XF330K0000 J Peaking 33µH L3100 RCiLB0177CEZZ J Oscillation Coil DIODES L7305 VPACK102J0000...
  • Page 30 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA487WEF3 C2129 VCCCCY1HH120J J 12p Ceramic C2130 VCKYCY1CB104K J 0.1 Ceramic MAIN UNIT (Continued) C2131 VCKYCY1CB104K J 0.1 Ceramic C2132 VCKYCY1HB102K J 1000p 50V Ceramic C1305 VCEA0A1HW105M J 1.0 C2133 VCKYCY1CB104K J 0.1...
  • Page 31 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA487WEF3 R607 VRD-RA2BE103J J 10k 1/8W Carbon R608 VRD-RA2BE101J J 100 1/8W Carbon MAIN UNIT (Continued) R609 VRS-CY1JF101J J 100 1/16W M-Ox. R610 VRS-CY1JF272J J 2.7k 1/16W M-Ox.
  • Page 32 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA487WEF3 R2131 VRS-CY1JF103J J 10k 1/16W M-Ox. R2132 VRS-CY1JF332J J 3.3k 1/16W M-Ox. MAIN UNIT (Continued) R2133 VRS-CY1JF000J 1/16W M-Ox. R2135 VRS-CY1JF471J J 470 1/16W M-Ox.
  • Page 33 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA487WEF3 R7304 VRS-CY1JF102J J 1.0k 1/16W M-Ox. R7305 VRS-CY1JF472J J 4.7k 1/16W M-Ox. MAIN UNIT (Continued) R7306 VRD-RA2BE102J J 1.0k 1/8W Carbon R7307 VRD-RA2BE272J J 2.7k 1/8W...

  • Page 34: Crt Unit

    27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTKA592WEF0 R887 VRD-RA2BE182J J 1.8k 1/8W Carbon R890 VRD-RA2EE100J J 10 1/4W Carbon CRT UNIT R1511 VRD-RA2BE560J J 56 1/8W Carbon R1513 VRS-VV3DB471J J 470 2W M-Ox.
  • Page 35 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA488FMF3 L680 RCiLZ1070CEZZ J Coil L681 VP-XF8R2K0000 J Peaking 8.2µH POWER UNIT L701 RCiLF0313CEZZ J Coil å INTEGRATED CIRCUITS RCiLF0385CEZZ å L702 RCiLF0313CEZZ J Coil IC501 VHiLA7841//-1...
  • Page 36 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA488FMF3 R674 VRD-RA2HD182J J 1.8k 1/2W Carbon R675 VRN-VV3LBR27J J 0.27 3W M-Film å POWER UNIT (Continued) R680 VRS-SV3LB154J J 150k 3W M-Ox. R681 VRS-VV3LB104J J 100k 3W M-Ox.
  • Page 37 27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA488FMF3 PWB-E: DUNTKA591WEF0 POWER UNIT (Continued) MTS MODULE UNIT INTEGRATED CIRCUIT SC712 QSOCZ1040CEZZ J Socket, 10-pin(EH) SC713 QSOCZ1394GEZZ J Socket, 13-pin(R) IC3001 VHiCXA2074Q-1 J CXA2074Q SC714 QSOCZ1040CEZZ J Socket, 10-pin(EV)

  • Page 38: Control Unit

    27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-E: DUNTKA591WEF0 PWB-F: DUNTKA489FMF3 MTS MODULE UNIT (Continued) CONTROL UNIT TRANSISTOR R3025 VRS-CY1JF152J J 1.5k 1/16W M-Ox. R3026 VRS-CY1JF102J J 1.0k 1/16W M-Ox. Q3480 VS2SC3198-Y-1 J C3198-Y R3027 VRS-CY1JF183J J 18k 1/16W M-Ox.

  • Page 39: Miscellaneous Parts

    27R-FS1 Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS SUPPLIED ACCESSORIES QACCD3064CESA J AC Cord TGAN-0025SEZZ J Guarantee Card å QCNW-0194SEZZ J Connecting Cord TiNS-0081SEZZ J Operation Manual QCNW-0211SEZZ J Connecting Cord RRMCG1626CESB J Infrared R/C Unit...

  • Page 40: Cabinet Parts

    CABINET PARTS LOCATION CCABA0069SEF0 J Front Cabinet Ass'y Not Available – Front Cabinet — GDORF0032SESA J Door GLEGP0001SESA J Foot HBDGB3141CESA J Badge, "SHARP" HDECQ0037SESA J Cover, R/C Receiver 2 2-1 2-2 HiNDP0049SESA J Indication Plate PKAi-0001SE00 J Door Latch JBTN-0035SESA...

  • Page 41: Packing Of The Set

    27R-FS1 PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C unit Guarantee Card Batteries Polyethylene Mat Buffer Material FRONT Packing Case Use 22 staples to fix the bottom side REAR of packing case. MARK : Not replacement items.
  • Page 42 27R-FS1 COPYRIGHT © 2001 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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