Technics SA-EH770 - Replacement Parts List

Pin
No.
Terminal
Name
I/O Function
86 MUTE O Muting signal output
87 NC - Not used, open
88 POWER O Power control signal output
89
V
SS
2
- GND terminal
90
V
DD
2
I Power supply terminal
91 MUTE2 O Muting signal output
92 NC - Not used, open
93 MUTE3 O Muting signal output
94 SH CS O Chip select signal output for
Sound Processor
95 SH DO O Serial communication signal to
Sound Processor (Data signal
output)
96 SH DI I Serial communication signal to
Sound Processor (Data signal
input)
97 SH CK I Serial communication signal to
Sound Processor (Clock signal
input)
98 E DET I Unusual condition detect signal
input
99 CR
TIMER
- Not used, open
100
SD I Station detector signal input
from tuner unit (Z120)
15. Replacement Parts List
Notes:
- Important safety notice:
Components identified by mark have special characteristics important for
safety.
Furthermore, special parts which have purposes of fire-retardant (resistors), high-
quality sound (capacitors), low-noise (resistors), etc. are used.
When replacing any of components, be sure to use only manufacture’s specified
parts shown in the parts list.
- The <IA> <IB> marks in Remarks indicate language of instruction manual.
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