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Sony STR-K7100 Service Manual - Page 54

Sony STR-K7100 - Multi Channel Av Receiver Manual

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STR-K7100 Pin No. 54 55 56 57 58 59 60 61 62 63 64 65, 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Pin Name B33 A33 VCC B34 A34 GND NC VCC HPD2 SDA2 SCL2 GND B21 A21 VCC B22 A22 GND B23 A23 VCC B24 A24 GND VCC HPD1 I/O Pin Description I TMDS data (negative) input (Not used in this set.) I TMDS data (positive) input (Not used in this set.) - Power supply pin (+3.3 V) I TMDS data (negative) input (Not used in this set.) I TMDS data (positive) input (Not used in this set.) - Ground pin - Not used. (Open) - Power supply pin (+3.3 V) O Hot plug detection signal output for HDMI DVD IN connector I/O I2C two-way data bus with HDMI DVD IN connector I I2C clock signal input from HDMI DVD IN connector - Ground pin I TMDS clock signal (negative) input from HDMI DVD IN connector I TMDS clock signal (positive) input from HDMI DVD IN connector - Power supply pin (+3.3 V) I TMDS data (negative) input from HDMI DVD IN connector I TMDS data (positive) input from HDMI DVD IN connector - Ground pin I TMDS data (negative) input from HDMI DVD IN connector I TMDS data (positive) input from HDMI DVD IN connector - Power supply pin (+3.3 V) I TMDS data (negative) input from HDMI DVD IN connector I TMDS data (positive) input from HDMI DVD IN connector - Ground pin - Power supply pin (+3.3 V) O Hot plug detection signal output for HDMI VIDEO 2/BD IN connector 54

Section	Page
COVER	1
TABLE OF CONTENTS	4
1. GENERAL	5
Description and location of parts	5
2. DISASSEMBLY	8
2-1. CASE	8
2-2. BACK PANEL SECTION	9
2-3. FRONT PANEL SECTION	9
2-4. DIGITAL BOARD	10
2-5. MAIN BOARD SECTION	10
2-6. STANDBY BOARD	11
3. TEST MODE	12
4. FM TUNER CHECK	13
5. DIAGRAMS	14
5-1. CIRCUIT BOARDS LOCATION	14
5-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —	15
5-3. BLOCK DIAGRAM — DIGITAL SECTION —	16
5-4. BLOCK DIAGRAM — VIDEO SECTION —	17
5-5. BLOCK DIAGRAM — HDMI SW SECTION —	18
5-6. BLOCK DIAGRAM — XM SECTION —	19
5-7. BLOCK DIAGRAM — KEY/DISPLAY SECTION —	20
5-8. BLOCK DIAGRAM — OUTPUT/POWER SECTION —	21
Waveforms	22
5-9. PRINTED WIRING BOARDS — MAIN SECTION —	23
5-10. SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —	24
5-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —	25
5-12. PRINTED WIRING BOARD — DIGITAL SECTION (1/2) —	26
5-13. PRINTED WIRING BOARD — DIGITAL SECTION (2/2) —	27
5-14. SCHEMATIC DIAGRAM — DIGITAL SECTION (1/3) —	28
5-15. SCHEMATIC DIAGRAM — DIGITAL SECTION (2/3) —	29
5-16. SCHEMATIC DIAGRAM — DIGITAL SECTION (3/3) —	30
5-17. PRINTED WIRING BOARDS — VIDEO SECTION —	31
5-18. SCHEMATIC DIAGRAM — VIDEO SECTION —	32
5-19. PRINTED WIRING BOARD — HDMI SW SECTION —	33
5-20. SCHEMATIC DIAGRAM — HDMI SW SECTION —	34
5-21. PRINTED WIRING BOARD — XM SECTION —	35
5-22. SCHEMATIC DIAGRAM — XM SECTION —	36
5-23. PRINTED WIRING BOARDS — DCAC, POWER KEY SECTION —	37
5-24. SCHEMATIC DIAGRAM — DCAC, POWER KEY SECTION —	37
5-25. PRINTED WIRING BOARD — DISPLAY SECTION —	38
5-26. SCHEMATIC DIAGRAM — DISPLAY SECTION —	39
5-27. PRINTED WIRING BOARD — POWER SECTION —	40
5-28. SCHEMATIC DIAGRAM — POWER SECTION —	40
5-29. PRINTED WIRING BOARD — DCDC SECTION —	41
5-30. SCHEMATIC DIAGRAM — DCDC SECTION —	41
IC Block Diagrams	42
IC Pin Descriptions	48
6. EXPLODED VIEWS	55
6-1. CASE SECTION	55
6-2. FRONT PANEL SECTION	56
6-3. BACK PANEL SECTION	57
6-4. CHASSIS SECTION	58
7. ELECTRICAL PARTS LIST	59
DCAC	59
DCDC	59
DIGITAL	59
DISPLAY	63
HDMI SW	64
HEADPHONE	65
MAIN	65
POWER KEY	69
STANDBY	69
VIDEO	70
VIDEO 3	70
XM	71