Sharp 27U-S610 Service Manual
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Sharp 27U-S610 Service Manual

Sharp 27U-S610 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 ................................................................................ 5
» SERVICE ADJUSTMENT ......................................................................................................................9
» CHASSIS LAYOUT ............................................................................................................................. 13
» BLOCK DIAGRAM .............................................................................................................................. 16
» SCHEMATIC DIAGRAMS ................................................................................................................... 18
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 25
» REPLACEMENT PARTS LIST ............................................................................................................ 31
» PACKING OF THE SET ...................................................................................................................... 42
POWER INPUT ..................................................... 120V AC 60 Hz
POWER RATING .................................................................. 126W
PICTURE SIZE ........................................... 2,187cm
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 .............. 3.0W + 3.0W (at 10% distortion and

SHARP CORPORATION

1st Edition

SERVICE MANUAL

MODELS
ELECTRICAL SPECIFICATIONS
SPEAKER
SIZE .......................................................... 9 x 5 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. GB-1
27U-S610
(EIA, Channel Plan U.S.A.)
27U-S610
Page

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Summary of Contents for Sharp 27U-S610

  • Page 1: Table Of Contents

    27U-S610 1st Edition SERVICE MANUAL COLOR TELEVISION Chassis No. GB-1 27U-S610 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-S610 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-S610 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

    27U-S610 LOCATION OF USER'S CONTROL Front Panel VIDEO IN 2 L-AUDIO-R (INSIDE DOOR) POWER CHANNEL UP/DOWN → Press ( ) Selects next higher → Press again Off. channel. ( ) Selects next lower SENSOR AREA FOR channel. REMOTE CONTROL •...

  • Page 5: Installation And Service Instructions

    27U-S610 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 27U-S610 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: Contents

    27U-S610 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER INITIAL VALUE RANGE PICTURE 0-15(00h-0Fh) TINT 0-127(00h-7Fh) COLOR 0-127(00h-7Fh) SUB-COLOR 0-31(00h-1Fh) Must be set to "10" BRIGHT 0-127(00h-7Fh) R CUT-OFF 64-255(40h-FFh) G CUT-OFF 64-255(40h-FFh) B CUT-OFF 64-255(40h-FFh) G DRIVE 0-127(00h-7Fh) B DRIVE...

  • Page 8: Contents

    27U-S610 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER INITIAL VALUE RANGE EW PARABOLA 0-63(00h-3Fh) Must be set to "04" EW TRAPEZIUM 0-31(00h-1Fh) Must be set to "0E" EW CORNER 0-15(00h-0Fh) Must be set to "04" AFC GAIN 0-3(00h-03h) Must be set to "02"...

  • Page 9: Service Adjustment

    27U-S610 SERVICE ADJUSTMENT RF AGC Adjustment Picture Adjustment 1. Receive a good local channel. 1. Receive a good local channel. 2. Enter the service mode and select the service 2. Make sure the customer picture control is set to adjustment "R01".
  • Page 10 27U-S610 Brightness Adjustment Other Adjustments 1. Receive a good local channel. 1. Enter the service mode. 2. Make sure the customer brightness control is set to 2. Adjust the following data values as listed below. center position. 3. Enter the service mode and select the service adjustment "V05".
  • Page 11 27U-S610 Ë MTS ADJUSTMENT Separation Adjustment 1. Connect the rms voltmeter to pin (39) of IC3001. 2. Receive the following composite stereo signal 1. MTS Level Adjustment Composite stereo signal: 30% modulation, left 1. Receive the following composite signal. channel only, noise reduction on, 300Hz Monaural signal: 400Hz, 100% modulation 3.
  • Page 12 27U-S610 Ë P-IN-P ADJUSTMENT P-IN-P Y-LEVEL Adjustment 1. Receive a good local channel. 2. Enter the service mode and select the service adjustment "P01". 3. Adjust "P01" data value to obtain normal contrast level. P-IN-P TINT Adjustment 1. Receive a good local channel.

  • Page 13: Chassis Layout

    27U-S610 MODEL CHASSIS LAYOUT...

  • Page 14: Description Of Schematic Diagram

    27U-S610 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 27U-S610 MODEL SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 16 27U-S610 MODEL SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 17 27U-S610 MODEL SCHEMATIC DIAGRAM: CRT Unit...

  • Page 18: Schematic Diagrams

    27U-S610 MODEL SCHEMATIC DIAGRAM: AV Unit...
  • Page 19 27U-S610 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 20 27U-S610 MODEL SCHEMATIC DIAGRAM: MTS MODULE Unit...

  • Page 21: Printed Wiring Board Assemblies

    27U-S610 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side)
  • Page 22 27U-S610 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 23 27U-S610 PWB-C: AV Unit (Wiring Side) PWB-C: AV Unit (Chip parts Side)
  • Page 24 27U-S610 PWB-R: P-IN-P Unit (Wiring Side) PWB-R: P-IN-P Unit (Chip Parts Side)
  • Page 25 27U-S610 PWB-S: MTS MODULE Unit (Wiring Side) PWB-S: MTS MODULE Unit (Chip Parts Side)
  • Page 26 27U-S610 PWB-B: CRT Unit (Wiring Side)

  • Page 27: Replacement Parts List

    1. MODEL NUMBER 2. REF. NO. 3. PART NO. 4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. For location of SHARP Parts Distributor, Please call Toll-Free; 1- 800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION MARK: X-RAY RELATED PARTS Ref.

  • Page 28: Main Unit

    27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code D2403 RH-EX0619GEZZ J Zener Diode, 6.2V PWB-A: DUNTKA526WEE4 VA701 RH-VX0019CEZZ J Varistor å MAIN UNIT RH-VX0048CEZZ Q650 VS2SA1266-Y-1 J 2SA1266-Y Q701 VSST6NC60FP1E ST6NC60FP å RH-VX0035CEZZ VSST6NK60FP PACKAGED CIRCUITS...
  • Page 29 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKA526WEE4 RC-FZ029SCEZZ 0.22 AC125V Plastic MAIN UNIT RC-FZ021SCEZZ 0.22 AC125V Plastic C365 VCEA0A1HW105M J 1 C702 RC-KZ0029CEZZ J 0.01 500V Ceamic C366 VCEA0A1CW106M J 10 C703 RC-KZ0029CEZZ J 0.01...
  • Page 30 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R227 VRS-CY1JF333J J 33k 1/16W M-Ox. PWB-A: DUNTKA526WEE4 R228 VRS-CY1JF102J J 1k 1/16W M-Ox. R229 VRS-CY1JF221J J 220 1/16W M-Ox. MAIN UNIT R233 VRS-CY1JF102J J 1k 1/16W M-Ox.
  • Page 31 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R913 VRS-CY1JF392J J 3.9k 1/16W M-Ox. PWB-A: DUNTKA526WEE4 R914 VRS-CY1JF182J J 1.8k 1/16W M-Ox. R915 VRS-CY1JF102J J 1k 1/16W M-Ox. MAIN UNIT R916 VRS-CY1JF683J J 68k 1/16W M-Ox.
  • Page 32 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code P1901 QPLGN1559REZZ X Plug, 15-pin(VA) PWB-A: DUNTKA526WEE4 P1902 QPLGN1559REZZ X Plug, 15-pin(VB) MAIN UNIT P1903 QPLGN1059REZZ J Plug, 10-pin(VC) P2401 QPLGN0561CEZZ J Plug, 5-pin SC3001 QSOCN0259FJ00 J Socket, 10-pin(EA) R2506 VRS-CY1JF822J J 8.2k 1/16W M-Ox.

  • Page 33: Crt Unit

    27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-C: DUNTKA528WEA6 PWB-B: DUNTKA527WEB7 AV UNIT CRT UNIT INTEGRATED CIRCUIT INTEGRATED CIRCUITS IC850 VHiTDA6103Q-1 J TDA6103Q/N3 IC1401 VHiTC90A45F-1 J TC90A45F å IC1900 VHiCXA2089Q-1 J CXA2089Q TRANSISTORS TRANSISTORS...
  • Page 34 27US610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code R1900 VRS-CY1JF101J J 100 1/16W M-Ox. R1930 VRS-CY1JF223J J 22k 1/16W M-Ox. PWB-C: DUNTKA528WEA6 R1932 VRS-CY1JF223J J 22k 1/16W M-Ox. AV UNIT R1935 VRS-CY1JF101J J 100 1/16W M-Ox. R1936 VRS-CY1JF223J J 22k 1/16W M-Ox.
  • Page 35 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R:DUNTKA533WEA1 C1850 VCKYCY1CB104K J 0.1 Ceramic C1851 VCKYCY1HF103Z J 0.01 Ceramic P-IN-P UNIT C1861 VCKYCY1CB104K J 0.1 Ceramic C1862 VCKYCY1CB104K J 0.1 Ceramic INTEGRATED CIRCUITS C1863 VCCCCY1HH101J J 100p 50V...
  • Page 36 27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R:DUNTKA533WEA1 PWB-S: DUNTKB224WEA2 P-IN-P UNIT MTS MODULE UNIT INTEGRATED CIRCUITS R1889 VRD-RA2BE101J J 100 1/8W Carbon IC3001 VHiCXA2074Q-1 J CXA2074Q MISCELLANEOUS PARTS P1701 QPLGZ0810CEZZ J Plug, 8-pin...

  • Page 37: Miscellaneous Parts

    27U-S610 Ref. No. Part No. Description Code Ref. No. Part No. Description Code MISCELLANEOUS PARTS CABINET PARTS ACC701 QACCD3065CESA J AC Cord å CCABAA059WEH0 Front Cabinet Ass'y QACCDA001WJSA Not Available – Front Cabinet — VSP9050PB368A Speaker(L), 8 ohm GCOVA0121GJSA RC, LED Cover...

  • Page 38: Packing Of The Set

    27U-S610 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 39 SHARP ELECTRONICA MEXICO S. A. DE C. V. TQ0000-S D SEM P SEMEX Blvd. SHARP No. 3510 Parque Industrial June.

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