Technics SH-EH750

| SH-EH750
@ Terminal Function of IC's
@ 1C601 (M38B57MC131F) : System Control/ FL Drive
Terminal Terminal
KEY1 ah Operation key signal input )
KEY2 he Operation key signal input ORANGE LED (VIRTUAL REAR) signal output
JOG 30 V.RG GREEN LED (VIRTUAL REAR) signal output
Power supply (—24.8 V) terminal
>
JOG A signal input
31 O | ORANGE LED (CENTER FOCUS) signal output
JOG
cq
oe)
OG B signal input
BE
32 O |GREEN LED (CENTER FOCUS) signal output
3~37| 5G~1G O | Grid signal output
8~61) P24~P1 O | Segment signal output
O |LED (SIMULATED STEREO) signal output
o1
ah, om, ‘samedi, he, ps
oO on rs ra) ND ay oO - ee)
DSP STOP Stop signal input for |C806
o>)
DSP RST Reset signal input for |C806
N
DSP LATCH Latch signal input for |C806
NO
ASP LATCH
Latch signal output for 1C201
LED (SUPER SURROUND STEREO) signal
output
) O | O
2 wn nN nN
D 4 G@ >
DSP ACK Acknowledge signal input for |C806 63
RESET DPL
VOL LATCH
XT1
System reset signal input
Latch signal output for IC401 65 | SAREQ
EEPROM chip select signal (Not used) 6c | SA CK
GND terminal SA DO
ai a
Oscillator connected terminal (4 MHz) CD&DECK
CS
CD&DECK
BR
op) O
Serial communication signal to Tuner/Amplifier
Serial communication signal to Tuner/Amplifier
Serial communication signal to Tuner/Amplifier
Serial data communication starting signal
input (CD and Deck mechanism)
Clock signal input (CD and Deck mechanism)
LED (DOLBY PRO LOGIC) signal output
XT2
O
a
Power supply (+5 V) terminal
CD&DECK
Volume data signal output 71 DO Data signal output (CD and Deck mechanism)
CD&DECK
Volume clock signal output 72 DI Data signal input (CD and Deck mechanism)
EEPROM data input (Not used) GND terminal
Vcc
—_,
7 |DAV DATA
DAV CLK&
BR93 CLK
—
per
Oo
DD
2) TI
nh
9 |BR93 DATA
20 | RGEINO Reference voltage input
Destination select signal input VREF
Destination select signal input SACS Chip select signal input terminal
GEIN1
ao Serial data request signal output for Deck
22 REQ CD serial data request signal output 76 |DECK REQ AaGHAIen
SYNC Power failure detect signal input SPEANA A/D signal input for |C602
‘ ORANGE LED (SEAT POSITION) signal
24 | S.POSA output 78 SPA
S.POSG GREEN LED (SEAT POSITION) signal output SP B Band select signal output for |IC€02
V.M.RA ORANGE LED (MULTI REAR) signal output 80 SPC
NO I
< =
JD
G@)
GREEN LED (MULTI REAR) signal output