Technics SA-EH790E, Service Manual

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Pin
No.
Terminal
Name
I/O Function
93 MUTE3 O Muting signal output
94 SH CS I/O Chip select signal input/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)
16. 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. /
Whenreplacingany of components, be sure to use only
manufacture's specified parts shown in the parts list.
* The parenthesized indications in the Remarks columns specify
the areas. / Parts without these indications can be used for all areas.
* Remote Control Ass'y: Supply period for three years from terminal
of production.
* Capacity values are in microfarads (uF) unless specified
otherwise, P=Pico-farads(pF), F=Farads (F)
* Resistance values are in ohms, unless specified otherwise, 1K=
1,000 (OHM), 1M=1,000K (OHM)
*The markings (RTL) indicate that the retention time is limited for
these items. After the discontinuation of these assemblies in
production, it will no longer be available.
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