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Sony STR-K1500 Service Manual - Page 42

Ic100, Pt6315, Ic5005 Sn74lvc1g3157dckr

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VSS 4-bit latch VDD STR-K1500 IC100 PT6315 VSS VDD GRID1 GRID2 GRID3 GRID4 SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9 LED1 1 LED2 2 LED3 3 LED4 4 44 43 42 41 40 39 Grid driver Command decoder Display memory 24 bits x 12 words 38 37 36 35 34 Multiplexed driver 33 SEG19/GRID10 32 SEG18/GRID11 31 SEG17/GRID12 12-bit shift register Data selector OSC 5 OSC DOUT 6 DIN 7 CLK 8 STB 9 Serial interface KEY1 10 KEY2 11 12 13 Timing generator key scan Key data memory (2 x 16 bits) 30 VEE 24-bit output latch segment driver 14 15 16 17 18 19 20 21 22 29 SEG16/KS16 28 SEG15/KS15 27 SEG14/KS14 26 SEG13/KS13 25 SEG12/KS12 24 SEG11/KS11 23 SEG10/KS10 SEG1/KS1 SEG2/KS2 SEG3/KS3 SEG4/KS4 SEG5/KS5 SEG6/KS6 SEG7/KS7 SEG8/KS8 SEG9/KS9 - HDMI Board - IC5005 SN74LVC1G3157DCKR B2 1 GND 2 B1 3 6S 5 VCC 4A 42

Section	Page
COVER	1
TABLE OF CONTENTS	3
1.GENERAL	4
2.TEST MODE	12
3.DIAGRAMS	14
3-1. BLOCK DIAGRAM – MAIN SECTION –	16
3-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION –	17
3-3. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE A) –	18
3-4. PRINTED WIRING BOARD – DIGITAL BOARD (SIDE B) –	19
3-5. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) –	20
3-6. SCHEMATIC DIAGRAM – DIGITAL BOARD (2/5) –	21
3-7. SCHEMATIC DIAGRAM – DIGITAL BOARD (3/5) –	22
3-8. SCHEMATIC DIAGRAM – DIGITAL BOARD (4/5) –	23
3-9. SCHEMATIC DIAGRAM – DIGITAL BOARD (5/5) –	24
3-10. PRINTED WIRING BOARD – MAIN BOARD –	25
3-11. SCHEMATIC DIAGRAM – MAIN BOARD (1/3) –	26
3-12. SCHEMATIC DIAGRAM – MAIN BOARD (2/3) –	27
3-13. SCHEMATIC DIAGRAM – MAIN BOARD (3/3) –	28
3-14. PRINTED WIRING BOARDS – DISPLAY BOARD, POWER BOARD –	29
3-15. SCHEMATIC DIAGRAM – DISPLAY BOARD, POWER BOARD –	30
3-16. PRINTED WIRING BOARDS – STANDBY BOARD, AC SELECT BOARD –	31
3-17. PRINTED WIRING BOARD – SPEAKER BOARD –	32
3-18. SCHEMATIC DIAGRAM – SPEAKER BOARD, STANDBY BOARD, AC SELECT BOARD –	33
3-19. PRINTED WIRING BOARD – SPEAKER B BOARD –	34
3-20. PRINTED WIRING BOARDS – ADCC BOARD, VIDEO 3 BOARD –	35
3-21. SCHEMATIC DIAGRAM – SPEAKER B BOARD, ADCC BOARD, VIDEO 3 BOARD –	36
3-22. PRINTED WIRING BOARDS – VIDEO BOARD, HEADPHONE BOARD –	37
3-23. SCHEMATIC DIAGRAM – VIDEO BOARD, HEADPHONE BOARD –	38
3-24. PRINTED WIRING BOARD – HDMI BOARD –	39
3-25. SCHEMATIC DIAGRAM – HDMI BOARD –	40
4.EXPLODED VIEWS	47
4-1. FRONT PANEL SECTION	47
4-2. CHASSIS SECTION-1	48
4-3. CHASSIS SECTION-2	49
AC SELECT	49
ADCC	49
DIGITAL	49
DISPLAY	53
HDMI	54
HEADPHONE	55
MAIN	55
POWER	60
STANDBY	60
VIDEO	61
VIDEO 3	61