Technics SL-EH760 - 10. Printed Circuit Board Diagram; 11. Type Illustration of ICs, Transistors and Diodes; 12. Wiring Connection Diagram; 13. Block Diagram

10. Printed Circuit Board Diagram
11. Type Illustration of ICs, Transistors and Diodes
12. Wiring Connection Diagram
13. Block Diagram
14. Troubleshooting Guide
15. Terminal Function of ICs
15.1. IC451 (M38504M6200F): / System Control
Pin
No.
Terminal
Name
I/O Function
1
V
cc
I Power supply terminal
2 VREF I Reference voltage input
3
AV
SS
- GND terminal
4 SYNC I Power failure detect signal input
5 SUBQ I Sub-code Q data signal input
6 SQCK O Sub code Q resistor clock signal
output
7 BLKCK I Block clock signal input
8 CD REQ I Serial communication signal to
Sound Processor (Request
signal input)
9 B CS O Serial communication signal to
Sound Processor (Chip select
signal output)
10 B CLK O Serial communication signal to
Sound Processor (Clock signal
output)
11 DATA O O Serial communication signal to
Sound Processor (Data signal
output)
12 DATA I I Serial communication signal to
Sound Processor (Data signal
input)
13 TEST I
Test mode select signal input /
(Connected to V
CC
via resistor)
14
RESTSW
I Rest switch signal input
15
CNV
SS
-
Connected to V
SS
16 SERVO
RST
O Reset signal output for CD servo
IC
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