Hughes HTL-HD Manuals

Manuals and User Guides for Hughes HTL-HD. We have 1 Hughes HTL-HD manual available for free PDF download: Service Manual

Hughes HTL-HD Service Manual

Hughes HTL-HD Service Manual (103 pages)

HDTV receiver, DIRECTV digital satellite receiver

Brand: Hughes | Category: TV Receiver | Size: 11.33 MB

Table of Contents

Section 1 Summary

3
Section 3 Electrical

10
- Software Corruption Problem
  
  11
- Electrical Troubleshooting Guide
  
  14
  - Power(Smps) Circuit
    14
  - Audio Circuit
    16
    
    No Atsc Audio
    16
    
    No Directv Audio
    20
    
    No Ntsc Audio
    21
    
    No Spdif out for Atsc & Directv
    22
    
    No Spdif for Ntsc
    23
    
    No 3/ 4 Rf Audio
    24
  - Directv Front- End Circuit(Qpsk)
    25
  - DVI Circuit
    28
  - Cpu(System Control) Circuit
    30
  - Video Circuit
    38
  - Directv Tp- Demux /Modem Circuit
    46
  - Directv Tp- Demux /Modem Circuit
    48
  - Atsc/ Qam Front- End Circuit
    50
  - Ntsc Front- End Circuit
    52
  - Front Panel Circuit
    53
  - Cam Board Circuit
    55
- Overall Block Diagram
  
  57
- Block Diagram & Signal Flow
  
  58
- Circuit Diagram
  
  62
- Printed Circuit Diagrams
  
  76
  - Digital Main P.C.board(Bottom)
    76
  - Digital Main P.C.board(Top)
    77
  - Cam P.C.boar(Bottom)
    78
  - Cam P.C.boar(Top)
    78
  - Power P.C.board
    78
  - Timer P.C.board
    79
  - Key P.C.board
    79

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