Sharp 27U-F500 Service Manual
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Sharp 27U-F500 Service Manual

Sharp 27U-F500 Service Manual

Color television
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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 ................................................................................ 6
» SERVICE ADJUSTMENT ................................................................................................................... 10
» CHASSIS LAYOUT ............................................................................................................................. 13
» BLOCK DIAGRAM .............................................................................................................................. 15
» SCHEMATIC DIAGRAMS ................................................................................................................... 17
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 37
» REPLACEMENT PARTS LIST ............................................................................................................ 43
» PACKING OF THE SET ...................................................................................................................... 57
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 152W
PICTURE SIZE ....................................... 2,193.5 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

MODELS
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
2
(339sq 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. MS-B
27U-F500
27U-F810
(EIA, Channel Plan U.S.A.)
27U-F500
27U-F810
S42H327U-F500
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  • Page 1: Table Of Contents

    27U-F500 27U-F810 SERVICE MANUAL S42H327U-F500 COLOR TELEVISION Chassis No. MS-B 27U-F500 27U-F810 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: Important Service Safety Precaution

    27U-F500 27U-F810 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: Safety Notice

    27U-F500 27U-F810 IMPORTANT SERVICE SAFETY PRECAUTION (Continued) BEFORE RETURNING THE RECEIVER Connect the resistor connection to all exposed metal 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

    27U-F500 27U-F810 LOCATION OF USER'S CONTROL (27U-F500) Front Panel VIDEO/AUDIO IN 2 POWER TERMINALS Press POWER MENU – VOL + PULL-OPEN Press again Off. (INSIDE DOOR) POWER MENU – VOL + CHANNEL UP/DOWN SENSOR AREA FOR ( ' ) Selects next higher REMOTE CONTROL channel.
  • Page 5 27U-F500 27U-F810 LOCATION OF USER'S CONTROL (27U-F810) Front Panel VIDEO/AUDIO IN 2 POWER POWER MENU – VOL + TERMINALS Press PULL-OPEN Press again Off. AV-2 IN VIDEO L-AUDIO-R (MONO) POWER MENU – VOL + CHANNEL UP/DOWN SENSOR AREA FOR ( ) Selects next higher REMOTE CONTROL channel.

  • Page 6: Installation And Service Instructions

    27U-F500 27U-F810 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 7 27U-F500 27U-F810 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 8 27U-F500 27U-F810 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER RANGE INITIAL VALUE PICTURE 3(03h) 0-15(00h-0Fh) TINT 62(3Eh) 0-127(00h-7Fh) COLOR 45(2Dh) 0-127(00h-7Fh) SCREEN 16(10h) 0-31(00h-1Fh) Must be set to “10” BRIGHT 77(4Dh) 0-127(00h-7Fh) R CUT-OFF 64(40h) 64-255(40h-FFh) G CUT-OFF 64(40h) 64-255(40h-FFh)
  • Page 9 0-3(00h-03h) Must be set to “00” Think chip-Slice LEVEL 54(36h) 0-255(00h-FFh) Must be set to “36” OPTION1 0-255(00h-FFh) Must be set to “F5”(27U-F500)/“F7”(27U-F810) OPTION2 Must be set to “18”(27U-F500)/“F9”(27U-F810) OPTION3 15(0Fh) 0-255(00h-FFh) Must be set to “0F” INPUT LEVEL 9(09h) 0-15(00h-0Fh) Must be set to “09”...

  • Page 10: Service Adjustment

    27U-F500 27U-F810 SERVICE ADJUSTMENT RF AGC Adjustment Sub-picture and Sub-Bright Adjustments 1. Receive a good local channel. 1. Receive the window pattern signal. 2. Enter the service mode and select the service RF INPUT (TU51) adjustment "R01". 2. Get into service adjustment data "V01" and "V05" and 3.
  • Page 11 Note: Aging for 10 min before adjustment. After the SERVICE ADJUST DATA(Hex) adjustment of V-center and V-size, re- POSITION ITEM 27U-F810 27U-F500 OPTION1 adjustment for this V-line. OPTION2 OPTION3 Vertical Phase Adjustment 1. Enter the service mode and select the service adjustment "D01".

  • Page 12: Mts Adjustment

    27U-F500 27U-F810 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT (Only for 27U-F810) 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

    27U-F500 27U-F810 MODEL 27U-F500 CHASSIS LAYOUT...
  • Page 14 27U-F500 27U-F810 MODEL 27U-F810 CHASSIS LAYOUT...

  • Page 15: Block Diagram

    27U-F500 27U-F810 MODEL 27U-F500 BLOCK DIAGRAM...
  • Page 16 27U-F500 27U-F810 MODEL 27U-F810 BLOCK DIAGRAM...

  • Page 17: Schematic Diagrams

    27U-F500 27U-F810 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. signal, the tint setting adjusted for proper color. The (K=k =1000 , M=M ) wave shapes at the red, green and blue cathodes of 2.
  • Page 18 27U-F500 27U-F810 MODEL 27U-F500 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 19 27U-F500 27U-F810...
  • Page 20 27U-F500 27U-F810 MODEL 27U-F500 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 21 27U-F500 27U-F810...
  • Page 22 27U-F500 27U-F810 MODEL 27U-F810 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 23 27U-F500 27U-F810...
  • Page 24 27U-F500 27U-F810 MODEL 27U-F810 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 25 27U-F500 27U-F810...
  • Page 26 27U-F500 27U-F810 SCHEMATIC DIAGRAM: AV Unit...
  • Page 27 27U-F500 27U-F810...
  • Page 28 27U-F500 27U-F810 MODEL 27U-F500 SCHEMATIC DIAGRAM: MTS MODULE Unit...
  • Page 29 27U-F500 27U-F810...
  • Page 30 27U-F500 27U-F810 MODEL 27U-F810 SCHEMATIC DIAGRAM: MTS MODULE Unit...
  • Page 31 27U-F500 27U-F810...
  • Page 32 27U-F500 27U-F810 MODEL 27U-F810 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 33 27U-F500 27U-F810...
  • Page 34 27U-F500 27U-F810 SCHEMATIC DIAGRAM: CRT Unit...
  • Page 35 27U-F500 27U-F810 SCHEMATIC DIAGRAM: DF MODULE Unit...
  • Page 36 27U-F500 27U-F810 MODEL 27U-F810 SCHEMATIC DIAGRAM: 2-TUNER Unit...

  • Page 37: Printed Wiring Board Assemblies

    27U-F500 27U-F810 PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Unit (Wiring Side) PWB-S: MTS MODULE Unit (Wiring Side) PWB-S: MTS MODULE Unit (Chip Parts Side)
  • Page 38 27U-F500 27U-F810 PWB-A: MAIN Unit (Wiring Side)
  • Page 39 27U-F500 27U-F810 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 40 27U-F500 27U-F810 PWB-C: AV Unit (Wiring Side) PWB-C: AV Unit (Chip Parts Side)
  • Page 41 27U-F500 27U-F810 PWB-R: P-IN-P Unit (Wiring Side) (Only for 27U-F810) PWB-R: P-IN-P Unit (Chip Parts Side) (Only for 27U-F810)
  • Page 42 27U-F500 27U-F810 PWB-K: 2-TUNER Unit (Wiring Side) (Only for 27U-F810) PWB-H: DF MODULE Unit (Wiring Side)

  • Page 43: Replacement Parts List

    3. PART NO. 4. DESCRIPTION IC751 VHiSTV8164+-1 X I.C. IC2001 RH-iXA192WJZZ X TMPA8700CSF in USA: Contact your nearest SHARP Parts Distributor to order. For IC2040 VHiKiA7045A-1 J KIA7045AP location of SHARP Parts Distributor, Please call Toll-Free; 1- 800-BE-SHARP VHiKiA7045P-1 IC2101 VHiM24C16B/-1...
  • Page 44 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) SF201 RFiLC0405CEZZ J SAW Filter PWB-A: DUNTKA526WEC8(27U-F810) VP-CF270K0000 J Peaking 27µH L201 VP-XF1R2K0000 J Peaking 1.2µH MAIN UNIT (Continued) L203 VP-DF100K0000 J Peaking 10µH...
  • Page 45 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) C723 RC-EZ0724CEZZ J 100 160V EL. å PWB-A: DUNTKA526WEC8(27U-F810) C725 RC-EZ0810CEZZ J 330 160V EL. å C726 VCKYPH3DB561K J 560p 2kV Ceramic MAIN UNIT(Continued)
  • Page 46 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) R227 VRS-CY1JF333J J 33k 1/16W M-Ox. PWB-A: DUNTKA526WEC8(27U-F810) R228 VRS-CY1JF102J J 1k 1/16W M-Ox. R229 VRS-CY1JF221J J 220 1/16W M-Ox. MAIN UNIT(Continued) R233 VRS-CY1JF102J J 1k 1/16W M-Ox.
  • Page 47 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) R768 VRS-CY1JF332J J 3.3k 1/16W M-Ox. PWB-A: DUNTKA526WEC8(27U-F810) R769 VRS-CY1JF103J J 10k 1/16W M-Ox. R770 VRD-RM2HD823J J 82k 1/2W Carbon MAIN UNIT(Continued) R771 VRD-RA2BE272J J 2.7k 1/8W...
  • Page 48 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) S2503 QSW-K0003AJZZ J VOL–Down PWB-A: DUNTKA526WEC8(27U-F810) QSW-K0079GEZZ MAIN UNIT(Continued) R2011 VRD-RA2BE561J J 560 1/8W Carbon QSW-K0202PEZZ R2013 VRD-RA2BE822J J 8.2k 1/8W Carbon S2504 QSW-K0003AJZZ J VOL–Up...

  • Page 49: Crt Unit

    27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WED0(27U-F500) PWB-B: DUNTKA527WEB4 PWB-A: DUNTKA526WEC8(27U-F810) CRT UNIT MAIN UNIT(Continued) LX-BZ3049GEFD J Screw INTEGRATED CIRCUIT LX-BZ3100CEFD J Screw å IC850 VHiTDA6103Q-1 J TDA6103Q/N3 LX-HZ3007MEFD X Screw...
  • Page 50 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTKA527WEB4 PWB-C: DUNTKA602WEA1 CRT UNIT(Continued) AV UNIT INTEGRATED CIRCUITS R875 VRD-RM2HD184J J 180k 1/2W Carbon R876 VRD-RM2HD184J J 180k 1/2W Carbon IC1401 VHiTC90A53F-1 X I.C.
  • Page 51 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA602WEA1 R1942 VRS-CY1JF223J J 22k 1/16W M-Ox. R1943 VRS-CY1JF101J J 100 1/16W M-Ox. AV UNIT(Continued) R1944 VRS-CY1JF223J J 22k 1/16W M-Ox. R1945 VRS-CY1JF101J J 100 1/16W M-Ox.
  • Page 52 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-H: DUNTKB225WEA2 P1604 QPLGN0157FJZZ J Plug, 2-pin SG1681 QSPGH0025CEZZ J Spark Gap DF MODULE UNIT PRDAR0135PEFW R Heat Sink, for Q1680 RDA1680 LX-BZ3100CEFD J Screw INTEGRATED CIRCUITS...
  • Page 53 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-K: DUNTKB223WEA0(27U-F810) PWB-R: DUNTKA533WEA1(27U-F810) 2-TUNER UNIT P-IN-P UNIT INTEGRATED CIRCUITS TUNER IC1801 VHiM65667FP-2 J M65667FP NOTE: THE PARTS HERES SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT NOT INDEPENDENTLY.
  • Page 54 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTKA533WEA1(27U-F810) MISCELLANEOUS PARTS P1701 QPLGZ0810CEZZ J Plug, 8-pin P-IN-P UNIT(Continued) P1702 QPLGZ0610CEZZ J Plug, 6-pin P1703 QPLGZ0810CEZZ J Plug, 8-pin C1863 VCCCCY1HH101J J 100p 50V...
  • Page 55 27U-F500 27U-F810 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-S: DUNTKB224WEA2(27U-F500) C3534 VCQYTA1HM332J J 3300p 50V Mylar PWB-S: DUNTKB224WEA0(27U-F810) (27U-F810) C3535 VCQYTA1HM333J J 0.033 50V Mylar MTS MODULE UNIT (27U-F810) INTEGRATED CIRCUITS C3536 VCQYTA1HM152K J 1500p 50V...

  • Page 56: Packing Parts

    J Screw, x6 XTASD40P20000 J Screw, x6 CABINET PARTS LOCATION SUPPLIED ACCESSORIES TiNS-7662GJZZ X Operation Manual(27U-F500) AH TiNS-A060WJZZ X Operation Manual(27U-F810) AH RRMCGA035WJSB X Infrared R/C Unit(27U-F500) AR RRMCGA027WJSA X Infrared R/C Unit(27U-F810) AT QCNW-0236MEZZ X Coaxial Cable(27U-F810) TGAN-0001GJZZ X Guarantee Card...

  • Page 57: Packing Of The Set

    27U-F500 27U-F810 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 58 27U-F500 27U-F810 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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27u-f81027u-f510

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