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Sharp 32C530 Service Manual

Sharp color television 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 ............................................................................................................................. 12
» BLOCK DIAGRAM..............................................................................................................................13
» DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS ........................................................ 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 15
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 22
» REPLACEMENT PARTS LIST ............................................................................................................ 3 2
» PACKING OF THE SET ...................................................................................................................... 33
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING ................................................................... 115W
PICTURE SIZE ............................................ 2187cm
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

SERVICE MANUAL

MODEL
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
SIZE .......................................................... 9 x 5 cm oval (2 pcs.)
(339sq inch)
VOICE COIL IMPEDANCE ............................ 16 ohm at 400 Hz
2
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
32C530
(EIA, Channel Plan U.S.A.)
32C530
Page

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   Summary of Contents for Sharp 32C530

  • Page 1: Table Of Contents

    32C530 SERVICE MANUAL COLOR TELEVISION Chassis No. GB-3U 32C530 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

    32C530 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

    32C530 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

    32C530 LOCATION OF USER'S CONTROL • Part Names Fr ont P anel VIDEO IN 2 L-AUDIO-R (INSIDE DOOR) POWER CHANNEL UP/DOWN Press (8 ) Selects next higher Press again Off. channel. (9 ) Selects next lower SENSOR AREA FOR channel.
  • Page 5: Installation And Service Instructions

    32C530 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. CIRCUIT PROTECTION HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked The receiver is protected by a 4.0A fuse (F701),...
  • Page 6 32C530 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 TINT-S 0-127 (00h-7Fh) 62 (3Eh) S terminal input. C-TRAP 0-1 (00h-01h) 0 (00h) AUTO FLESH 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 32C530 DATA SERVICE FIXED VALUE ADJUSTMENT ITEM NOTE NUMBER (HEX) RANGE INITIAL VALUE EW CORNER BOTTOM 19-81 (13h-51h) 50 (32h) Offset toward D13. NOISE DET LEVEL 0-3 (00h-03h) 0 (00h) V CENTERING 0-63 (00h-3Fh) 36 (24h) V-AGC 0-1 (00h-01h) 0 (00h) B.
  • Page 9 32C530 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will automatically write the above initial values into IC2101. ADJUSTMENT PART REPLACED NOTES NECESSARY UNNECESSARY IC2001 Data is stored in IC2101.
  • Page 10: Service Adjustment

    32C530 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: Mts Adjustment

    32C530 Ë MTS ADJUSTMENT Focus Adjustment 1. Receive a good local channel. 2. Adjust the focus VR of the flyback transformer to make MTS Level Adjustment the image as fine as possible. 1. Set the sound volume above 1. Monoral signal: 400Hz, 100% modulation C.
  • Page 12: Chassis Layout

    32C530 CHASSIS LAYOUT...
  • Page 13: Block Diagram

    32C530 BLOCK DIAGRAM...
  • Page 14: Description Of Schematic Diagrams & Waveforms

    32C530 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 Ω =1000 Ω , M=M Ω...
  • Page 22: Printed Wiring Board Assemblies

    32C530 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side)
  • Page 23 32C530 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 24 32C530 PRINTED WIRING BOARD ASSEMBLIES 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 25: Replacement Parts List 3

    ∗ Q361 VS2SB709AR/-1 X 2SB709AR ∗ Q401 VS2SD601AR/-1 X 2SD601AR in USA: Contact your nearest SHARP Parts Distributor to order. For ∗ Q402 VS2SB709AR/-1 X 2SB709AR location of SHARP Parts Distributor, Please call Toll-Free; 1- ∗ Q403 VS2SD601AR/-1 X 2SD601AR 800-BE-SHARP ∗...
  • Page 26 32C530 Ref. No. Part No. Descriptio n Code Ref. No. Part No. Descriptio n Code C229 VCEA0A1CW477M+X 470 Electrolytic PWB-A: DUNTKB567WEZ5 C231 VCEA0A1EW476M+X 47 Electrolytic ∗ C232 VCKYCY1HB222K X 2200p 50V Ceramic MAIN UNIT(Continued) C233 VCEA0A1HW474M+X 0.47 Electrolytic ∗ C234 VCKYCY1HB103K X 0.01...
  • Page 27 32C530 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEZ5 C926 VCEA0A1EW476M+X Electrolytic MAIN UNIT(Continued) C928 VCEA0A1HW105M+X Electrolytic C930 VCEA0A1HW475M+X Electrolytic C675 VCEA0A1HW106M+ X Electrolytic C931 VCKYCY1HB183K* X 0.018 50V Ceramic C677 RC-FZ0377CEZZ C932 VCKYCY1HB183K* X 0.018 50V...
  • Page 28 32C530 Ref. No. Part No. Description Code Ref. No. Part No. Description Code ∗ R473 VRS-CY1JF123J X 12k 1/16W Metal Oxide PWB-A: DUNTKB567WEZ5 R474 VRS-CY1JF681J* X 680 1/16W Metal Oxide R475 VRS-CY1JF102J∗ X 1k 1/16W Metal Oxide R476 VRS-CY1JF393J* X 680 1/16W Metal Oxide...
  • Page 29 32C530 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEZ5 R967 VRS-CY1JF682J∗ X 6.8k 1/16W Metal Oxide MAIN UNIT(Continued) R968 VRS-CY1JF102J∗ X 1k 1/16W Metal Oxide R969 VRS-CY1JF472F∗ X 4.7k 1/16W Metal Oxide ∗ R759 VRS-CY1JF103J∗...
  • Page 30: Crt Unit

    32C530 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567WEZ5 CAPACITORS C850 VCKYPA1HF103Z+ X 0.01 Ceramic MAIN UNIT(Continued) C851 VCEA0A1CW107M+X 100 Electrolytic C852 VCKYPA1HB102K+ X 1000p 50V Ceramic ∗ R3024 VRD-RA2BE102J X 1k 1/8W Carbon...
  • Page 31 32C530 Ref. No. Part No. Description Code Ref. No. Part No. Description Code RESISTORS PWB-C: DUNTKA573WEV0 R1402 VRS-CY1JF000J 1/16W Metal Oxide R1405 VRS-CY1JF361J X 360 1/16W Metal Oxide 3-LINE Y/C UNIT R1406 VRS-CY1JF102J X 1k 1/16W Metal Oxide R1407 VRS-CY1JF102J...
  • Page 32: Miscellaneous Parts

    Not Available TINS-A775WJZZ X OPERATION MANUAL – Front Cabinet — (Including Warranty) GCOVAA398WJSA X RC/LED Cove 32C530 HBDGB1009MESB X "SHARP" Badge TGAN-A140WJZZ X WARRANTY ENVELOPE TGAN-0001GJZZ X Regist Card GDORFA044WJKA X DOOR JBTN-A155WJKA X Button, Power GCABBA190WJKA X Rear Cabinet...
  • Page 33: Packing Of The Set

    32C530 PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C unit Batteries Polyethylene Mat 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 34 QRC0009 -C July. 2003 Modify : SEMEX Design and Production Information SHARP ELECTRONICA MEXICO S. A. DE C. V. Design base : JAPAN Quality & Reliability Control Center Production : SEMEX Blvd. SHARP No. 3510 Parque Industrial Rosarito...

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