Technics RS-DV290EG Service Manual page 72

Pin I/O
Terminal
No.
Name
85 CHORUS —
86 MUTE O
87 NC —
88 POWER O
89 V 2 —
SS
90 V 2 I
DD
91 MUTE2 O
92 NC —
93 MUTE3 O
94 SH CS I/O
95 SH DO O
96 SH DI I
97 SH CK I
98 E DET I
99 CR —
TIMER
100 SD I
14. Replacement Parts List
Notes:
* Important safety notice:
Components identified by
important for safety. / Furthermore, special parts which have
purposes of fire-retardant (resistors), high-quality sound
(capacitors), low-noise (resistors), etc. are used. /
Whenreplacinganyof 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.
Function
LED (CHORUS) drive signal
output (Not used,
connected to V )
DD
Muting signal output
Not used, oppen
Power control signal output
GND terminal
Power supply terminal
Muting signal output
Not used, open
Muting signal output
Chip select signal for Sound
Processor
Serial communication
signal to Sound Processor
(Data signal output)
Serial communication
signal to Sound Proccessor
(Data signal input)
Serial communication
signal to Sound Processor
(Clock signal input)
Unusual condition detect
signal input
Not used, open
Station detector signal
input from tuner unit (Z101)
mark have special characteristics
20