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Sharp 33ML400 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.
This model is based on Models 32L-S400/36L-S400. The Infrared R/C Unit and etc. are partially changed from
those of the previous model. For servicing the new model, refer to the 32L-S400/36L-S400 Service Manual
(S39E632L-S400).
SERVICE MANUAL
OUTLINE
SHARP CORPORATION
1
COLOR TELEVISION
Chassis No. SN-92
33ML400
37ML400
MODELS
33ML400
37ML400
SY9T733ML400/

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  • Page 1 33ML400 37ML400 SERVICE MANUAL SY9T733ML400/ COLOR TELEVISION Chassis No. SN-92 33ML400 37ML400 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 33ML400 37ML400 Ref. No. Part No. Description Code PARTS LIST PACKING PARTS PARTS REPLACEMENT (NOT REPLACEMENT ITEM) Replacement parts which have these special safety characteristics SPAKC0645MEZZ – Packing Case — identified in this manual; electrical components having such features (33ML400) å...

  • Page 3: Table Of Contents

    (EIA, Channel Plan U.S.A.) Color Sub-Carrier Frequency ........42.17 MHz Specifications are subject to change without (Nominal) prior notice. This document has been published to be used for after sales service only. SHARP CORPORATION The contents are subject to change without notice.

  • Page 4: Important Service Safety Precaution

    32L-S400, 36L-S400 CL32S40, CL36S40 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 5 32L-S400, 36L-S400 CL32S40, CL36S40 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 and etc.) and measure the AC voltage Before returning the receiver to the user, perform drop across the resistor.
  • Page 6 32L-S400, 36L-S400 CL32S40, CL36S40 PRECAUTIONS A PRENDRE LORS DE LA REPARATION Ë Ne peut effectuer la réparation qu' un technicien spécialisé qui s'est parfaitement accoutumé à toute vérification de sécurité et aux conseils suivants. AVERTISSEMENT LIMITES DES RADIATIONS X ET DE LA HAUTE TENSION 1.
  • Page 7 32L-S400, 36L-S400 CL32S40, CL36S40 PRECAUTIONS A PRENDRE LORS DE LA REPARATION (Suite) • Toucher avec la sonde d'essai les pièces métalliques VERIFICATIONS CONTRE L'INCEN-DIE ET exposées qui présentent une voie de retour au LE CHOC ELECTRIQUE châssis (antenne, coffret métallique, tête des vis, Avant de rendre le récepteur à...

  • Page 8: Location Of User's Control

    32L-S400, 36L-S400 CL32S40, CL36S40 LOCATION OF USER'S CONTROL...

  • Page 9: Installation And Service Instructions

    32L-S400, 36L-S400 CL32S40, CL36S40 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 5.0A fuse (F701),...
  • Page 10 32L-S400, 36L-S400 CL32S40, CL36S40 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.
  • Page 11 32L-S400, 36L-S400 CL32S40, CL36S40 DATA SERVICE ADJUSTMENT ITEM ADJUSTMENT CONTENTS NUMBER RANGE INITIAL VALUE PICTURE 00-7F TINT 00-7F COLOR 00-7F BRIGHTNESS 00-7F SHARPNESS 00-3F Must be set to "24" Vert. PHASE 00-07 Must be set to "00" Hor. PHASE 00-1F RF AGC 00-3F Vert.
  • Page 12 32L-S400, 36L-S400 CL32S40, CL36S40 Ë SERVICE ADJUSTMENT VCO Adjustment White Balance Adjustment 1. Connect a digital voltmeter between pin (44) of IC201 1. Receive a good local channel. and ground. 2. Enter the service mode and select the service 2. Receive a good local channel. adjustment "S03"...
  • Page 13 32L-S400, 36L-S400 CL32S40, CL36S40 Sub-Brightness Adjustment 3.58MHz Trap Adjustment 1. Receive a good local channel. 1. Receive a good local channel. 2. Make sure the customer brightness control is set to 2. Enter the service mode and select the service center position.
  • Page 14 32L-S400, 36L-S400 CL32S40, CL36S40 Ë MTS ADJUSTMENT Ë P-IN-P ADJUSTMENT MTS Level Adjustment P-IN-P Y LEVEL Adjustment 1. Feed the following monaural signal to pin (14) of 1. Receive a good local channel. 2. Enter the service mode and select the service IC3001.

  • Page 15: Chassis Layout

    32L-S400, 36L-S400 CL32S40, CL36S40 CHASSIS LAYOUT PWB-B PWB-F PWB-A PWB-R...

  • Page 16: Block Diagram

    32L-S400, 36L-S400 CL32S40, CL36S40 BLOCK DIAGRAM...

  • Page 17: Schematic Diagrams

    32L-S400, 36L-S400 CL32S40, CL36S40 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 18 32L-S400, 36L-S400 CL32S40, CL36S40 MODELS 32L-S400, CL32S40 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 19 32L-S400, 36L-S400 CL32S40, CL36S40...
  • Page 20 32L-S400, 36L-S400 CL32S40, CL36S40 MODELS 32L-S400, CL32S40 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 21 32L-S400, 36L-S400 CL32S40, CL36S40...
  • Page 22 32L-S400, 36L-S400 CL32S40, CL36S40 MODELS 36L-S400, CL36S40 SCHEMATIC DIAGRAM: MAIN-1 Unit...
  • Page 23 32L-S400, 36L-S400 CL32S40, CL36S40...
  • Page 24 32L-S400, 36L-S400 CL32S40, CL36S40 MODELS 36L-S400, CL36S40 SCHEMATIC DIAGRAM: MAIN-2 Unit...
  • Page 25 32L-S400, 36L-S400 CL32S40, CL36S40...
  • Page 26 32L-S400, 36L-S400 CL32S40, CL36S40 SCHEMATIC DIAGRAM: CRT Unit MODELS 32L-S400, CL32S40 MODELS 36L-S400, CL36S40...
  • Page 27 32L-S400, 36L-S400 CL32S40, CL36S40 SCHEMATIC DIAGRAM: P-IN-P Unit...
  • Page 28 32L-S400, 36L-S400 CL32S40, CL36S40 SCHEMATIC DIAGRAM: CONTROL Unit...

  • Page 29: Printed Wiring Board Assemblies

    32L-S400, 36L-S400 CL32S40, CL36S40 PRINTED WIRING BOARD ASSEMBLIES PWB-A: MAIN Unit (Wiring Side)
  • Page 30 32L-S400, 36L-S400 CL32S40, CL36S40 PWB-A: MAIN Unit (Chip Parts Side)
  • Page 31 32L-S400, 36L-S400 CL32S40, CL36S40 PWB-R: P-IN-P Unit (Wiring Side) PWB-R: P-IN-P Unit (Chip Parts Side)
  • Page 32 32L-S400, 36L-S400 CL32S40, CL36S40 PWB-B: CRT Unit (Wiring Side) PWB-F: CONTROL Unit (Wiring Side)

  • Page 33: Replacement Parts List

    4. DESCRIPTION in USA: Contact your nearest SHARP Parts Distributor to order. in CANADA: Contact SHARP Electronics of Conada Limited For location of SHARP Parts Distributor, Please call Toll- Phone (416) 890-2100 Free; 1-800-BE-SHARP MARK: SPARE PARTS-DELIVERY SECTION MARQUE: SECTION LIVRAISON DES PIECES DE RECHANGE ç...
  • Page 34 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) Q1402 VS2SD601AR/-1 J 2SD601AR PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) Q1403 VS2SD601AR/-1 J 2SD601AR Q1404 VS2SD601AR/-1 J 2SD601AR MAIN UNIT Q1405 VS2SD601AR/-1 J 2SD601AR TUNER Q1406 VS2SD601AR/-1...
  • Page 35 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) C253 VCCCCY1HH470J J 47p Ceramic AA PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) C301 VCCCCY1HH330J J 33p Ceramic AA C302 VCCCCY1HH151J J 150p Ceramic AA MAIN UNIT (Continued) C303...
  • Page 36 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) C931 VCKYCY1EB183K J 0.018 25V Ceramic AA PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) C932 VCKYCY1EB183K J 0.018 25V Ceramic AA C951 VCEA0A1CW106M J 10 MAIN UNIT (Continued) C952 VCEA0A1CW106M J 10...
  • Page 37 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) R413 VRS-CY1JF101J J 100 1/16W M-Ox. PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) R414 VRS-CY1JF101J J 100 1/16W M-Ox. R415 VRS-CY1JF101J J 100 1/16W M-Ox.
  • Page 38 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) R803 VRS-CY1JF222J J 2.2k 1/16W M-Ox. PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) R804 VRS-CY1JF222J J 2.2k 1/16W M-Ox. R805 VRS-CY1JF222J J 2.2k 1/16W M-Ox.
  • Page 39 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-A: DUNTK9829WEK0 (32L-S400, CL32S40) MISCELLANEOUS PARTS PWB-A: DUNTK9829WEK1 (36L-S400, CL36S40) å RY701 RRLYJ0081CEZZ J Relay MAIN UNIT (Continued) å F701 QFS-B5023CEZZ J Fuse, 5A 125V FB601 RBLN-0047CEZZ J Ferrite Bead R1607 VRS-CY1JF221J...
  • Page 40 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-B: DUNTK9303WEK3(32L-S400, CL32S40) R884 VRD-RA2BE221J J 220 1/8W Carbon PWB-B: DUNTK9303WEK4(36L-S400, CL36S40) R885 VRD-RA2BE221J J 220 1/8W Carbon R886 VRD-RA2BE471J J 470 1/8W Carbon CRT UNIT R887 VRD-RA2BE471J...
  • Page 41 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code C1847 VCKYCY1HB103K J 0.01 Ceramic AA PWB-R: DUNTK9511WEK2 C1848 VCKYCY1CB104K J 0.1 Ceramic AB P-IN-P UNIT C1849 VCEA0A1HW106M J 10 C1850 VCKYCY1CB104K J 0.1 Ceramic AB C1851 VCKYCY1HF103Z J 0.01...
  • Page 42 32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PWB-R: DUNTK9511WEK2 PWB-F: DUNTK9514WEK0 P-IN-P UNIT (Continued) CONTROL UNIT R1881 VRS-CY1JF473J J 47k 1/16W M-Ox. CAPACITOR R1882 VRS-CY1JF223J J 22k 1/16W M-Ox. [EL.··· Electrolytic] R1883 VRS-CY1JF123J J 12k 1/16W...

  • Page 43: S400, Cl36S40

    GCABB1134MEKA M Rear Cabinet 36L-S400, CL36S40 CCABA1301MES1 M Front Cabinet Ass'y Not Available – Front Cabinet — GCOVA1039MEKA M Cover for R/C HBDGB1010MESA M Badge, "SHARP" JBTN-1105MEKA M Button, Power, Vol-up/down, CH-up/down GCABB1137MEKA M Rear Cabinet SUPPLIED ACCESORRIES TGAN-1006MEZZ M Guarantee Card...

  • Page 44: Packing Of The Set

    32L-S400, 36L-S400 CL32S40, CL36S40 Ref. No. Part No. Description Code Ref. No. Part No. Description Code PACKING OF THE SET Polyethylene Bag Operation Manual Registration Card Infrared R/C Unit Batteries Polyethylene Mat Buffer Material FRONT Packing Case Use 22 staples fix the packing case.

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