RCA 14M041 Service Manual
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RCA 14M041 Service Manual

RCA 14M041 Service Manual

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14M041
SERVICE MANUAL
COLOR TELEVISION RECEIVER
Rev. 0
MFR'S VERSION A
Design and specifications are subject to change without notice.

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Summary of Contents for RCA 14M041

  • Page 1 14M041 SERVICE MANUAL COLOR TELEVISION RECEIVER Rev. 0 MFR’S VERSION A Design and specifications are subject to change without notice.

  • Page 2: Servicing Notices On Checking

    SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts.

  • Page 3: Table Of Contents

    CONTENTS SERVICING NOTICES ON CHECKING ......................A1-1 HOW TO ORDER PARTS ..........................A1-1 IMPORTANT ..............................A1-1 CONTENTS ..............................A2-1 GENERAL SPECIFICATIONS ........................A3-1~A3-4 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ......................... B1-1 2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..............B2-1, B2-2 SERVICE MODE LIST .............................

  • Page 4: General Specifications

    GENERAL SPECIFICATIONS G - 1 CRT Size / Visual Size 13 inch / 335.4mmV Sy ste m CRT Type Normal Deflection degree Magnetic Field BV/BH +0.35G/0.30G Color System NTSC Speaker 1Speaker Position Bottom Size 3 Inch Impedance Sound Output 1.0 W 10%(Typical) 0.8 W NTSC3.58+4.43 /PAL60Hz...
  • Page 5 GENERAL SPECIFICATIONS Color Stream Channel(TV/Cable) CH Label Sleep Timer Sound Mute V-chip Rating G - 8 OSD Language English French Spanish G - 9 Clock and Sleep Timer Max Time 120 Min Timer Step On/Off Timer Program(On Timer / Off Timer) Wake Up Timer Timer Back-up (at Power Off Mode) more than...
  • Page 6 TV/CATV Selector Degauss Main Power SW Indicator Power Stand-by On Timer Terminals Front Video Input Audio Input RCA x 1 Other Terminal Ear Phone Rear Video Input(Rear1) Video Input(Rear2) Audio Input(Rear1) Audio Input(Rear2) Video Output Audio Output Euro Scart Color Stream...
  • Page 7 GENERAL SPECIFICATIONS G - 1 5 Wei gh t Net (Approx.) 9.5 kg ( 20.9 lbs) Gross (Approx.) 11.0kg ( 24.4lbs) G - 1 6 C arton Master Carton Content ---- Sets Material Dimensions W x D x H(mm) x -- x -- Description of Origin Gift Box...

  • Page 8: Disassembly Instructions

    DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 1. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap.

  • Page 9: Removal And Installation Of Flat Package Ic

    DISASSEMBLY INSTRUCTIONS REMOVAL AND INSTALLATION OF When IC starts moving back and forth easily after desoldering completely, pickup the corner of the IC using FLAT PACKAGE IC a tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat...
  • Page 10 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin- Take care of the polarity of new IC and then install the tip Soldering Iron. (Refer to Fig. 2-8.) new IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.

  • Page 11: Service Mode List

    SERVICE MODE LIST This unit provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD.

  • Page 12: When Replacing Eeprom (Memory) Ic

    WHEN REPLACING EEPROM (MEMORY) IC If a service repair is undertaken where it has been required to change the MEMORY IC, the following steps should be taken to ensure correct data settings while making reference to TABLE 1. Table 1 Enter DATA SET mode by setting VOLUME to minimum.

  • Page 13: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS BEFORE MAKING ELECTRICAL 2. BASIC ADJUSTMENTS ADJUSTMENTS 2-1: CUT OFF Read and perform these adjustments when repairing the Adjust the unit to the following settings. circuits or replacing electrical parts or PCB assemblies. R.DRIVE=10, B.DRIVE=10, R.BIAS=64, G.BIAS=64, B.BIAS=64, BRI.CENT=120, CONT.MAX=40. CAUTION Place the set with Aging Test for more than 15 minutes.
  • Page 14 ELECTRICAL ADJUSTMENTS 2-8: OSD HORIZONTAL Activate the adjustment mode display of Fig. 1-1. Press the VOL. UP/DOWN button on the remote control until the difference of A and B becomes minimum. (Refer to Fig. 2-3) "A" Fig. 2-1 00 OSD H Fig.
  • Page 15 ELECTRICAL ADJUSTMENTS PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator. minutes before performing the following adjustments.
  • Page 16 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) S101 CRT PCB CP806 TU001 FB401 CP803A TP022 TP023 CP801 CP502 S501B CD501 S501A AC IN CD101A SPEAKER CD101B MAIN PCB...

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