Philco TB100HH9 Service Manual
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Philco TB100HH9 Service Manual

Dtv digital to analog converter (set top box)
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SERVICE MANUAL
DTV DIGITAL TO
ANALOG CONVERTER
(SET TOP BOX)
TB100HH9
POWER

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Summary of Contents for Philco TB100HH9

  • Page 1 SERVICE MANUAL DTV DIGITAL TO ANALOG CONVERTER (SET TOP BOX) TB100HH9 POWER...

  • Page 2: Table Of Contents

    IMPORTANT SAFETY NOTICE Proper service and repair is important to the safe, reliable operation of all Funai Equipment. The service procedures recommended by Funai and described in this service manual are effective methods of performing service operations. Some of these service special tools should be used when and as recommended.

  • Page 3: Specifications

    SPECIFICATIONS [ATSC] Description Unit Nominal 1. CH COVERAGE 2 to 13 14 to 69 2. VIDEO OUTPUT VOLTAGE CVBS Vp-p 3. AUDIO OUTPUT VOLTAGE L-OUT mVrms 2000 R-OUT mVrms 2000 4. AUDIO DISTORTION L-OUT 0.01 R-OUT 0.01 5. AUDIO S/N L-OUT R-OUT 6.

  • Page 4: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS Product Safety Notice Also check areas surrounding repaired locations. J. Be careful that foreign objects (screws, solder Some electrical and mechanical parts have special droplets, etc.) do not remain inside the set. safety-related characteristics which are often not K.
  • Page 5 Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts, and wires have been returned to their original positions. Afterwards, do the following tests and confirm the specified values to verify compliance with safety standards. 1.

  • Page 6: Standard Notes For Servicing

    STANDARD NOTES FOR SERVICING Circuit Board Indications Pb (Lead) Free Solder 1. The output pin of the 3 pin Regulator ICs is When soldering, be sure to use the Pb free solder. indicated as shown. How to Remove / Install Flat Pack-IC Top View Bottom View 1.
  • Page 7 3. The flat pack-IC on the CBA is affixed with glue, so With Soldering Iron: be careful not to break or damage the foil of each 1. Using desoldering braid, remove the solder from pin or the solder lands under the IC when all pins of the flat pack-IC.
  • Page 8 2. Installation With Iron Wire: 1. Using desoldering braid, remove the solder from 1. Using desoldering braid, remove the solder from all pins of the flat pack-IC. When you use solder the foil of each pin of the flat pack-IC on the CBA flux which is applied to all pins of the flat pack-IC, so you can install a replacement flat pack-IC more you can remove it easily.
  • Page 9 Instructions for Handling Semi- conductors Electrostatic breakdown of the semi-conductors may occur due to a potential difference caused by electrostatic charge during unpacking or repair work. 1. Ground for Human Body Be sure to wear a grounding band (1 MΩ) that is properly grounded to remove any static electricity that may be charged on the body.

  • Page 10: Cabinet Disassembly Instructions

    CABINET DISASSEMBLY INSTRUCTIONS 1. Disassembly Flowchart This flowchart indicates the disassembly steps to gain access to item(s) to be serviced. When reassembling, [1] Top Cover follow the steps in reverse order. Bend, route, and dress the cables as they were originally. [1] Top Cover [2] AV CBA [4] DTV Module...

  • Page 11: Block Diagrams

    BLOCK DIAGRAMS System Control /VIDEO /AUDIO Block Diagram 1-5-1 X6032BLS...
  • Page 12 DTV Module Block Diagram X6032BLDTV 1-5-2...
  • Page 13 Power Supply Block Diagram 1-5-3 X6032BLP...

  • Page 14: Schematic Diagrams / Cba's And Test Points

    SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS Standard Notes WARNING Many electrical and mechanical parts in this chassis have special characteristics. These characteristics often pass unnoticed and the protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc.
  • Page 15 LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING PAGES: 1. CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE. ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQES D'INCELE N'UTILISER QUE DES FUSIBLE DE MÊME TYPE. RISK OF FIRE-REPLACE FUSE AS MARKED.
  • Page 16 AV 1/2 Schematic Diagram CAUTION ! For continued protection against fire hazard, replace only with the same type fuse. CAUTION ! ATTENTION : Pour une protection continue les risqes Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. d'Incele n'utiliser que des fusible de même type.
  • Page 17 AV 2/2 & Relay Schematic Diagram VOLTAGE CHART CN600 Pin No. Voltage X6032SCAV2 1-6-4...
  • Page 18 DTV Module 1/2 Schematic Diagram X6032SCD1 1-6-5...
  • Page 19 DTV Module 2/2 Schematic Diagram 1-6-6 X6032SCD2...
  • Page 20 AV CBA Top View CAUTION ! CAUTION ! For continued protection against fire hazard, Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. supply circuit, an isolation transformer must be used. replace only with the same type fuse.
  • Page 21 AV CBA Bottom View CAUTION ! CAUTION ! For continued protection against fire hazard, Because a hot chassis ground is present in the power Fixed voltage (or Auto voltage selectable) power supply circuit is used in this unit. replace only with the same type fuse. supply circuit, an isolation transformer must be used.
  • Page 22 Relay CBA Top View Relay CBA Bottom View BX6040F01021 1-6-9...

  • Page 23: Waveforms

    WAVEFORMS NOTE: Input: ATSC 8 Color Bar Signal (with 1KHz ( 0dBFS )Audio Signal) Pin 29 of CN600 VIDEO-CVBS 0.2V 20µs Pin 30 of CN600 AUDIO(L) 0.5ms 1-7-1 ST1WF...

  • Page 24: Wiring Diagram

    WIRING DIAGRAM AC601 DTV MODULE AC CORD AV CBA RELAY CBA CBA UNIT TU601 TUNER UNIT CN600 CN003 CN101 D-GND D-GND DTV-ON+5V DTV-ON+5V TU-SCL TU-SCL TU-SDA TU-SDA D-GND D-GND DTV-S-SIN DTV-S-SIN DTV-S-SOUT DTV-S-SOUT D-GND D-GND DTV-S-RESET DTV-S-RESET D-GND D-GND DTV-ON-H2 CN102 D-GND DTV-ON+3.3V...

  • Page 25: Lead Identifications

    LEAD IDENTIFICATIONS KIA431-AT/P KTA1266-Y-AT/P KTC3199-(GR,Y)-AT/P KTA1271-Y-AT/P KTC3203-Y-AT/P 1: R 2: A 3: K 1 2 3 E C B E C B 2SK3563(Q) LD1117V KTC2804(Y) KIA317PI-U/PF 1: VIN 1: ADJ 2: VOUT 2: OUTPUT 3: COM E C B 3: INPUT 1 2 3 1 2 3 G D S...

  • Page 26: Exploded Views

    EXPLODED VIEWS Cabinet See Electrical Parts List for parts with this mark. 2L042 Some Ref. Numbers are not in sequence. 2B37 AC601 DTV Module CBA Unit Relay CBA AV CBA 2L011 2L011 2L011 1-10-1 X6032CEX...
  • Page 27 Packing Tape Cellophane Tape Cellophane Tape Packing 1-10-2 X6032PEX...

  • Page 28: Mechanical Parts List

    MECHANICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a # have special characteristics important to safety. Before replacing any of these components, read carefully the product safety notice in this service manual. Don't degrade the safety of the product through improper servicing.

  • Page 29: Electrical Parts List

    ELECTRICAL PARTS LIST PRODUCT SAFETY NOTE: Products marked with a Ref. No. Description Part No. # have special characteristics important to safety. C636 CHIP CERAMIC CAP . B K 0.068µF/50V CHD1JK30B683 Before replacing any of these components, read C638 ELECTROLYTIC CAP . 4.7µF/50V M CE1JMASDL4R7 carefully the product safety notice in this service C639...
  • Page 30 Ref. No. Description Part No. Ref. No. Description Part No. CHIP RES. 1/10W J 10k Ω D624 DIODE ZENER 33BSB-T26 NDTB033BST26 R629 RRXAJR5Z0103 CHIP RES. 1/10W J 10k Ω D631 DIODE SWITCHING 1N4148-F0021 NDTZ01N4148F R630 RRXAJR5Z0103 CARBON RES. 1/4W J 820 Ω D634 DIODE SWITCHING 1N4148-F0021 NDTZ01N4148F...
  • Page 31 Ref. No. Description Part No. CHIP RES. 1/10W J 4.7k Ω R751 RRXAJR5Z0472 CHIP RES. 1/10W J 100k Ω R755 RRXAJR5Z0104 CHIP RES. 1/10W J 680 Ω R758 RRXAJR5Z0681 CHIP RES. 1/10W J 10k Ω R760 RRXAJR5Z0103 CHIP RES. 1/10W J 100k Ω R761 RRXAJR5Z0104 CHIP RES.
  • Page 32 Misuse of any trademarks or any other content in this manual is strictly prohibited. Funai shall aggressively enforce its intellectual property rights to the fullest extent of the law. TB100HH9 X6032UD 2008-01-18...

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