Sharp 32UF6 Service Manual
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Sharp 32UF6 Service Manual

Sharp 32UF6 Service Manual

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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 ................................................................................ 6
» SERVICE ADJUSTMENT ..................................................................................................................... 9
» DESCRIPTION OF SCHEMATIC DIAGRAMS & WAVEFORMS ........................................................ 12
» CHASSIS LAYOUT ............................................................................................................................. 13
» BLOCK DIAGRAM .............................................................................................................................. 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 15
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 26
» REPLACEMENT PARTS LIST ............................................................................................................ 39
» PACKING OF THE SET ...................................................................................................................... 40
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 160W
PICTURE SIZE ........................................... 3074 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
(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-3
32UF6
(EIA, Channel Plan U.S.A.)
32UF6
Page

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Summary of Contents for Sharp 32UF6

  • Page 1: Table Of Contents

    32UF6 SERVICE MANUAL COLOR TELEVISION Chassis No. GB-3 32UF6 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

    32UF6 IMPORTANT SERVICE SAFETY PRECAUTION Service work should be performed only by qualified service technicians who are Ë 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

    32UF6 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

    LOCATION OF USER'S CONTROL(32UF6) 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 (8 ) Selects next higher REMOTE CONTROL channel.

  • Page 5: Installation And Service Instructions

    32UF6 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 The receiver is protected by a 4.0A fuse (F701),...

  • Page 6: Service Mode

    32UF6 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) Component Input C-TRAP 0-1 (00h-01h) 0 (00h) 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 0-1 (00h-01h)
  • Page 8 32UF6 DATA NOTES FIXED VALUE SERVICE ADJUSTMENT ITEM (HEX) NUMBER 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 (00-3Fh) 36 (24h) V-AGC 0-1 (00h-01h) 0 (00h)

  • Page 9: Service Adjustment

    32UF6 Holding down both the VOL-up and CH-up buttons on the TV set at service mode for more than 2 seconds will ADJUSTMENT PART REPLACED NOTES NECESSARY UNNECESSARY IC2001 Data is stored in IC2101. The adjustment is needed to compensate for characteristics of parts...

  • Page 10: Focus Adjustment

    32UF6 Sub-Tint Adjustment Note: Aging for 10 min before adjustment. After the adjustment of V-center and V-size, re- 1. Receive the half color bar signal. • RF INPUT (TU51) adjustment for this V-line. 2. Get into Y-Mute by R/C, or by setting the "V11" bus Vertical Phase Adjustment data to "01".
  • Page 11 32UF6 Ë MTS ADJUSTMENT MTS Level Adjustment 1. Set the sound volume above 1. Monoral signal: 400Hz, 100% modulation 2. Confirm "EX4" data is "5Ah". 3. Vary the "M01" bus data until the voltage to pin (39) of IC3001 to become the value as stated below.

  • Page 12: Description Of Schematic Diagrams & Waveforms

    32UF6 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 13: Chassis Layout

    32UF6 CHASSIS LAYOUT(32UF6)

  • Page 14: Block Diagram

    32UF6 BLOCK DIAGRAM(32UF6) 4001 4001 4001 4001...

  • Page 15: Schematic Diagrams

    32UF6...
  • Page 16 32UF6...
  • Page 17 32UF6...
  • Page 18 32UF6...
  • Page 19 32UF6...
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  • Page 21 32UF6...
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  • Page 26: Printed Wiring Board Assemblies

    32UF6 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side)
  • Page 27 32UF6 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 28 32UF6 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 29 32UF6 PWB-H: DF MODULE Unit (Wiring Side)
  • Page 30 32UF6 PWB-F: CONTROL Unit(32F631 ONLY) (Wiring Side)
  • Page 31 CXA2089Q-6T 3. PART NO. 4. DESCRIPTION IC1403 VHIPQ05RD11-1 PQ05RD11 IC2001 RH-IXA418WJZZQ TMP88CS38BFG in USA: Contact your nearest SHARP Parts Distributor to order. For IC2040 VHIKIA7045A-1+ KIA7045AP location of SHARP Parts Distributor, Please call Toll-Free; 1- IC2101 VHIBR24L16F-1Y BR24C16F 800-BE-SHARP IC3001...

  • Page 32: Main Unit

    32UF6 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code CAPACITORS PWB-A: DUNTKB567WEB7(32UF6) [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film] MAIN UNIT VCEA0A1HW105M+ D501 RH-DX0302CEZZY Diode VCEA0A1HW475M+ D502 VHD1SS119//-1Y Diode VCEA0A0JW108M+ 1000 6.3V D510 RH-DX0441CEZZY Diode VCKYCY1HF103ZY 0.01...
  • Page 33 32UF6 Ref. No. Part No. « Description Code « Ref. No. Part No. Description Code PWB-A: DUNTKB567WEB7(32UF6) C806 VCKYCY1CF104ZY Ceramic C807 VCKYCY1CF104ZY Ceramic MAIN UNIT (Continued) C808 VCKYCY1CF104ZY Ceramic C809 VCKYCY1CF104ZY Ceramic C510 RC-FZ0272CEZZ+ 0.39 100V Mylar C810 VCEA0A1CW477M+ X...
  • Page 34 32UF6 « Ref. No. Part No. Description Code Ref. No. Part No. « Description Code PWB-A: DUNTKB567WEB7(32UF6) R414 VRS-CY1JF000JY 1/16W M-Ox. R415 VRS-CY1JF000JY 1/16W M-Ox. MAIN UNIT R422 VRS-CY1JF000JY 1/16W M-Ox. R430 VRS-CY1JF391JY 1/16W M-Ox. C3017 VCEACA1CC106K+ R431 VRS-CY1JF331JY 1/16W M-Ox.
  • Page 35 32UF6 « Ref. No. Part No. Description Code Ref. No. Part No. « Description Code PWB-A: DUNTKB567WEB7(32UF6) R916 VRS-CY1JF683JY 1/16W M-Ox. MAIN UNIT R917 VRS-CY1JF332JY 3.3k 1/16W M-Ox. R918 VRS-CY1JF332JY 3.3k 1/16W M-Ox. R653 VRD-RA2EE562GY 5.6k 1/4W Carbon R922 VRS-CY1JF102JY 1/16W M-Ox.

  • Page 36: Crt Unit

    32UF6 « Ref. No. Part No. « Description Code Ref. No. Part No. Description Code PWB-A: DUNTKB567FMB7(32UF6) PWB-B DUNTKA527WEV9 MAIN UNIT CRT Unit R2051 VRS-CY1JF102JY 1/16W M-Ox. R2060 VRS-CY1JF221JY 1/16W M-Ox. INTEGRATED CIRCUIT R2061 VRS-CY1JF562JY 5.6k 1/16W M-Ox. IC850 VHITDA6103Q-1...

  • Page 37: Miscellaneous Parts

    32UF6 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code PWB-B DUNTKA527WEV9 C1449 VCKYCY1CF104ZY Ceramic CRT UNIT (Continued) C1451 VCEA0A1CW107M+ C1452 VCKYCY1CF104ZY Ceramic RESISTORS C1453 VCKYCY1HF103ZY 0.01 Ceramic R1511 VRD-RA2BE101JY 1/8W Carbon C1454 VCKYCY1HF103ZY 0.01...
  • Page 38 P4004 QPLGN0541CEZZ Plug, 5Pin(KA) P3007 QPLGZ0610CEZZ X Plug, 6Pin PWB-F: DUNTKB207WEA5 SP1, SP2 VSP1206PB648A X Speaker(32UF6) CONTROL UNIT QCNW-A475WJZZ X Connecting Cord(32UF6) INTEGRATED CIRCUIT QCNW-B175WJZZ X Connecting Cord QCNW-B176WJZZ X Connecting Cord IC1680 VHIKIA358P+-1 KIA358P QCNW-B177WJZZ X Connecting Cord TRANSISTORS...

  • Page 39: Replacement Parts List

    32UF6 « Ref. No. Part No. Description Code SUPPLIED ACCESSORIES RRMCGA035WJSB R/C GUN TGAN-A216WJN1 WARRANTY CARD — TINS-A759WJN1 OP. MANUAL TCAUH3048GJZZ CAUTION LABEL PACKING PARTS (NOT REPLACEMENT ITEM) SPAKCA590WJZZ PACKING CASE SPAKP0110GJZZ LAMIFOAM SPAKX0131GJZZ PACKING FOAM SSAKA0101GJZZ PLASTIC BAG CABINET PARTS LOCATION...

  • Page 40: Packing Of The Set

    32UF6 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 41 QRC0012-U OCT. 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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