3-1
SECTION 3
ELECTRICAL
CONTENTS
ELECTRICAL TROUBLESHOOTING GUIDE ..................................................................................................3-2
1. CPU(SYSTEM CONTROL) TROUBLESHOOTING.................................................................................3-2
2. ATSC/QAM FRONT_END TROUBLESHOOTING.................................................................................3-10
3. NTSC/FRONT_END TROUBLESHOOTING..........................................................................................3-12
4. VIDEO TROUBLESHOOTING ...............................................................................................................3-13
5. DVI TROUBLESHOOTING ....................................................................................................................3-22
6. AUDIO TROUBLESHOOTING ...............................................................................................................3-26
BLOCK DIAGRAM ..........................................................................................................................................3-33
1. OVERALL BLOCK DIAGRAM 1............................................................................................................3-33
2. OVERALL BLOCK DIAGRAM 2............................................................................................................3-34
CIRCUIT DIAGRAMS ......................................................................................................................................3-35
1. CPU & SYSTEM MEMORY CIRCUIT DIAGRAM ..................................................................................3-35
2. CPU PERI & IR-IN & AUX-CTRL CIRCUIT DIAGRAM .........................................................................3-37
3. TERRESTRIAL FRONT_END CIRCUIT DIAGRAM .............................................................................3-39
4. HD2 & SDRAM CIRCUIT DIAGRAM .....................................................................................................3-41
5. DVI TRANSMITTER CIRCUIT DIAGRAM .............................................................................................3-43
6. VDP I/F & DISPLAY OUTPUT CIRCUIT DIAGRAM..............................................................................3-45
7. NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM................................................................................3-47
8. POWER REGULATION CIRCUIT DIAGRAM ........................................................................................3-49
9. MPI CIRCUIT DIAGRAM........................................................................................................................3-51
10. PTC CIRCUIT DIAGRAM .....................................................................................................................3-53
11. BACK PLANE CIRCUIT DIAGRAM.....................................................................................................3-55
PRINTED CIRCUIT DIAGRAMS .....................................................................................................................3-57
1. DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS(TOP).........................................................................3-57
2. DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS(BOTTOM).................................................................3-59
3. MPI PRINTED CIRCUIT DIAGRAM(TOP) .............................................................................................3-61
4. PTC PRINTED CIRCUIT DIAGRAM ......................................................................................................3-63
5. BACK PLANE PRINTED CIRCUIT DIAGRAM......................................................................................3-65
Summary of Contents for HCS6000A
Page 27: ...3 17 FIG 06 Digital Stream Input to IC400 FIG 07 Interrupt Request Signal on R418 ...
Page 31: ...3 21 FIG 13 27MHz NTSC encoder pixel clock FIG 14 Composite Output top ...
Page 35: ...3 25 FIG 05 DVI output at 480i even field FIG 06 DVI output at 480i odd field ...
Page 45: ...CIRCUIT DIAGRAMS 1 CPU SYSTEM MEMORY CIRCUIT DIAGRAM 3 35 3 36 ...
Page 46: ...3 37 3 38 2 CPU PERI IR IN AUX CTRL CIRCUIT DIAGRAM ...
Page 47: ...3 39 3 40 3 TERRESTRIAL FRONT_END CIRCUIT DIAGRAM ...
Page 48: ...3 41 3 42 4 HD2 SDRAM CIRCUIT DIAGRAM ...
Page 49: ...3 43 3 44 5 DVI TRANSMITTER CIRCUIT DIAGRAM ...
Page 50: ...6 VDP I F DISPLAY OUTPUT CIRCUIT DIAGRAM 3 45 3 46 ...
Page 51: ...3 47 3 48 7 NTSC AUDIO PROCESSOR CIRCUIT DIAGRAM ...
Page 52: ...3 49 3 50 8 POWER REGULATION CIRCUIT DIAGRAM ...
Page 53: ...3 51 3 52 9 MPI CIRCUIT DIAGRAM ...
Page 54: ...3 53 3 54 10 PTC CIRCUIT DIAGRAM ...
Page 55: ...3 55 3 56 11 BACK PLANE CIRCUIT DIAGRAM ...
Page 56: ...3 57 3 58 PRINTED CIRCUIT DIAGRAMS 1 DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS TOP ...
Page 57: ...3 59 3 60 2 DIGITAL MAIN PRINTED CIRCUIT DIAGRAMS BOTTOM ...
Page 58: ...3 61 3 62 3 MPI PRINTED CIRCUIT DIAGRAM TOP TOP VIEW BOTTOM VIEW ...
Page 59: ...3 63 3 64 4 PTC PRINTED CIRCUIT DIAGRAM TOP VIEW BOTTOM VIEW ...
Page 60: ...3 65 3 66 5 BACK PLANE PRINTED CIRCUIT DIAGRAM TOP VIEW BOTTOM VIEW ...