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Sharp 35UF6 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 ............................................................................................................................. 12
» BLOCK DIAGRAM .............................................................................................................................. 13
» DESCRIPTION OF SCHEMATIC DIAGRAM & WAVEFORMS .......................................................... 14
» SCHEMATIC DIAGRAMS ................................................................................................................... 15
» PRINTED WIRING BOARD ASSEMBLIES ........................................................................................ 24
» REPLACEMENT PARTS LIST ............................................................................................................ 28
» PACKING OF THE SET ...................................................................................................................... 38
POWER INPUT ..................................................... 120V AC, 60 Hz
POWER RATING .................................................................. 170W
PICTURE SIZE ..................................... 3,794 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

MODEL
CONTENTS

ELECTRICAL SPECIFICATIONS

SPEAKER
SIZE ........................................................ 12 x 6 cm oval (2 pcs.)
2
(588.07sq 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-3U'
35UF6
(EIA, Channel Plan U.S.A.)
35UF6
Page

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Summary of Contents for Sharp 35UF6

  • Page 1: Table Of Contents

    35UF6 SERVICE MANUAL COLOR TELEVISION Chassis No. GB-3U' 35UF6 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

    35UF6 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

    35UF6 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

    35UF6 LOCATION OF USER'S CONTROL L Location of Controls Front Panel VIDEO/AUDIO IN 2 POWER Press → On. TERMINALS POWER MENU – VOL + PULL-OPEN Press again → Off. (INSIDE DOOR) POWER MENU – VOL + CHANNEL UP/DOWN SENSOR AREA FOR...

  • Page 5: Installation And Service Instructions

    35UF6 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...
  • Page 6 35UF6 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 35UF6 B. SPECIAL SETTING DATA SERVICE NOTES FIXED VALUE ADJUSTMENT ITEM NUMBER (HEX) RANGE INITIAL VALUE FAO VOLUME 0-50 (00h-32h) 36 (24h) CC-POSITION 0-127 (00h-7Fh) 27 (1Bh) 0-255 (00h-FFh) 122 (7Ah) Interrupt period adjustment. A-ATT 0-127 (00h-7Fh) 90 (5Ah) TUNER data...

  • Page 9: Service Adjustment

    35UF6 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 35UF6 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. adjustment for this V-line. • RF INPUT (TU51) 2. Get into Y-Mute by R/C, or by setting the "V11" bus data to "01".

  • Page 11: Mts Adjustment

    35UF6 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: Chassis Layout

    35UF6 CHASSIS LAYOUT...

  • Page 13: Block Diagram

    35UF6 BLOCK DIAGRAM...

  • Page 14: Description Of Schematic Diagram & Waveforms

    35UF6 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 ) wave shapes at the red, green and blue cathodes of 2.

  • Page 15: Schematic Diagrams

    35UF6 SCHEMATIC DIAGRAM: CRT Unit (DUNTKA527WEE2) (DUNTKA527WEE2) VB89AJZ90X+1E VB89AJZ90X+1E QEARCA009WJZZ QEARCA009WJZZ 7001GEFWY 7001GEFWY...
  • Page 16 35UF6 SCHEMATIC DIAGRAM: MAIN-1 Unit C782 C782 C782 1000P 1000P 1000P D706 D706 D706 D710 D710 D710 1SS133++ 1SS133++ 1SS133++ EX0650GE EX0650GE EX0650GE R714 R714 R714 3.3K 3.3K 3.3K...
  • Page 17 35UF6 ISS119 ISS119 ISS119 ISS119 ISS119 ISS119...
  • Page 18 35UF6 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 19 35UF6...
  • Page 20 35UF6 SCHEMATIC DIAGRAM: 3-LINE Y/C Unit...
  • Page 21 35UF6...
  • Page 22 35UF6 SCHEMATIC DIAGRAM: MODULE D/F Unit...
  • Page 23 35UF6 ZA022WJZZ ZA022WJZZ ZA022WJZZ ZA023WJZZ ZA023WJZZ ZA023WJZZ...

  • Page 24: Printed Wiring Board Assemblies

    35UF6 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Components Side)
  • Page 25 35UF6 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 26 35UF6 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 27 35UF6 PWB-H: DF MODULE Unit (Wiring Side)

  • Page 28: Replacement Parts List

    TMP88CS38BFG IC2040 VHIKIA7045A-1+ KIA7045AP in USA: Contact your nearest SHARP Parts Distributor to order. IC2101 VHIBR24L16F-1Y BR24L16F For location of SHARP Parts Distributor, Please call Toll- IC3001 VHICXA2194Q-1Y CXA2194Q Free; 1-800-BE-SHARP TRANSISTORS « MARK: SPARE PARTS-DELIVERY SECTION Q201 VS2SC2735//1EY 2SC2735...

  • Page 29: Main Unit

    35UF6 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code PWB-A: DUNTKC290WED5 L231 VP-XF680K0000Y Peaking,68mH L301 VP-XF8R2K0000Y Peaking,8.2mH MAIN UNIT L401 VP-XF100K0000Y Peaking,10mH L671 RCILZ1005CEZZ LZ1005CE DIODE L701 RCILF0345CEZZ Coil D413 RH-EX0614GEZZY Zener Diode 5.6V...
  • Page 30 35UF6 « Description Ref. No. Part No. « Description Code Ref. No. Part No. Code C732 VCKYPA2HB102K+ 1000p 500V Ceramic AA PWB-A: DUNTKC290WED5 C733 VCKYPA2HB102K+ 1000p 500V Ceramic AA C734 VCKYPA2HB471K+ 470p 500V Ceramic AA MAIN UNIT C735 VCKYPA2HB471K+ 470p...
  • Page 31 35UF6 « Description « Description Ref. No. Part No. Code Ref. No. Part No. Code RJ14 VRS-CY1JF000JY 1/16W M-Ox. PWB-A: DUNTKC290WED5 RJ15 VRS-CY1JF000JY 1/16W M-Ox. RJ16 VRS-CY1JF000JY 1/16W M-Ox. MAIN UNIT RJ19 VRS-CY1JF000JY 1/16W M-Ox. RJ20 VRS-CY1JF000JY 1/16W M-Ox. CAPACITORS...
  • Page 32 35UF6 « Description Ref. No. Part No. Code Ref. No. Part No. « Description Code R621 VRN-RL3AB3R3J+ M-Film PWB-A: DUNTKC290WED5 R622 VRN-RL3ABR47J+ 0.47 M-Film R623 VRN-RL3AB4R7J+ M-Film MAIN UNIT R624 VRS-RG3DB332J+ 3.3k M-Ox. R627 VRN-RL3ABR47J+ 0.47 M-Film RESISTORS R628 VRN-RL3ABR47J+ 0.47...
  • Page 33 35UF6 Ref. No. Part No. « Description Code Ref. No. Part No. « Description Code R975 VRS-CY1JF333JY 1/16W M-Ox. PWB-A: DUNTKC290WED5 R982 VRS-CY1JF750JY 1/16W M-Ox. R983 VRS-CY1JF473JY 1/16W M-Ox. MAIN UNIT R984 VRS-CY1JF473JY 1/16W M-Ox. R1420 VRN-RL3LB2R7J+ 3.0W M-Film RESISTORS...

  • Page 34: Crt Unit

    35UF6 « « Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTKC290WED5 PWB-B: DUNTKA527WEE2 MAIN UNIT CRT UNIT RESISTORS INTEGRATED CIRCUITS [M-Ox.··· Metal Oxide, M-Film ··· Metal Film] IC850 VHITDA6103Q-1 TDA6103Q/N3 R2606 VRS-CY1JF000JY 1/16W M-Ox.
  • Page 35 35UF6 « Description Ref. No. Part No. Code « Description Ref. No. Part No. Code C1422 VCCCCY1HH120JY 12pF Ceramic AA PWB-B: DUNTKA527WEE2 C1423 VCCCCY1HH3R0CY Ceramic AA CRT UNIT C1424 VCCCCY1HH270JY Ceramic AA C1425 VCCCCY1HH100DY Ceramic AA RESISTORS C1428 VCKYCY1HF103ZY 0.01uF 50V...

  • Page 36: Miscellaneous Parts

    35UF6 Ref. No. Part No. « Description Code « Description Ref. No. Part No. Code P1604 QPLGN0157FJZZ plug 2Pin(XC) PWB-H: DUNTKB569WEV0 RDA1680 PRDAR0135PEFW Heat Sink DF MODULE UNIT SG1681 QSPGH0025CEZZ Spark Gap INTEGRATED CIRCUITS IC1680 VHIKIA358P+-1 KIA358P TRANSISTORS Q1680 VS2SC5022//1E...

  • Page 37: Supplied Accessories

    35UF6 « Description Ref. No. Part No. « Description Code Ref. No. Part No. Code SUPPLIED ACCESSORIES CABINET PARTS CCABAA003WEH7 FrontCabinet assy RRMCGA035WJSB Infrared R-C Unit Not Available — FrontCabinet — TINS-A418WJZZ OPERATION MANUAL AF HBDGB3141CESA SHARP Badge TCAUH3048GJZZ CAUTION LABEL...

  • Page 38: Packing Of The Set

    35UF6 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 QRC0023-U June. 2004 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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