Table Of Contents - Pioneer VSX-920-K Service Manual

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CONTENTS
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1. CONTRAST OF MISCELLANEOUS PARTS.........................................................................................................................3
2. BASIC ITEMS FOR SERVICE...............................................................................................................................................5
2.1 JIGS LIST .......................................................................................................................................................................5
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3. BLOCK DIAGRAM.................................................................................................................................................................6
3.1 OVERALL WIRING DIAGRAM .......................................................................................................................................6
3.2 OVERALL BLOCK DIAGRAM.........................................................................................................................................8
4. DIAGNOSIS.........................................................................................................................................................................10
4.1 DIAGNOSIS FLOWCHART ..........................................................................................................................................10
5. DISASSEMBLY ...................................................................................................................................................................21
5.1 DISASSEMBLY .............................................................................................................................................................21
6. EACH SETTING AND ADJUSTMENT ................................................................................................................................24
6.1 IDLE CURRENT ADJUSTMENT ..................................................................................................................................24
7. SCHEMATIC DIAGRAM ......................................................................................................................................................26
7.1 INPUT ASSY.................................................................................................................................................................26
B 7.2 AMP ASSY....................................................................................................................................................................28
7.3 SPEAKER, HEADPHONE and MIC ASSYS.................................................................................................................30
7.4 PT, HP_GUIDE, CNT1, CNT2, GUIDE_L and GUIDE_R ASSYS ................................................................................31
7.5 VIDEO ASSY ................................................................................................................................................................32
7.6 F-VIDEO, FRONT and FUNCTION ASSYS..................................................................................................................34
7.7 MAIN and REG ASSYS ................................................................................................................................................36
7.8 HDMI ASSY (1/2) ..........................................................................................................................................................38
7.9 HDMI ASSY (2/2) ..........................................................................................................................................................40
7.10 DSP ASSY (1/2)..........................................................................................................................................................42
7.11 DSP ASSY (2/2) ..........................................................................................................................................................44
7.12 USB ASSY ..................................................................................................................................................................46
8. PCB CONNECTION DIAGRAM ..........................................................................................................................................48
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8.1 INPUT ASSY.................................................................................................................................................................48
8.2 AMP ASSY....................................................................................................................................................................50
8.3 SPEAKER, HEADPHONE and MIC ASSYS.................................................................................................................54
8.4 PT, HP_GUIDE, CNT1, CNT2, GUIDE_L and GUIDE_R ASSYS ................................................................................56
8.5 VIDEO ASSY ................................................................................................................................................................58
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8.6 MAIN and REG ASSYS ................................................................................................................................................60
8.7 HDMI ASSY ..................................................................................................................................................................64
8.8 DSP ASSY ....................................................................................................................................................................66
8.9 USB ASSY ....................................................................................................................................................................68
9. PCB PARTS LIST ................................................................................................................................................................70
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