Sony HCD-C70 - 1 C601 CD Master Controller (75518 GF-127-3 B9)

e IC601 CD MASTER CONTROLLER (75518GF-127-3B9)
This controller exchanges data with IC602 (CD FL driver) on the PANEL board and IC201 (CD mechanism controller) on the MAIN
board. It has mainly feature related functions.
Key input port (A/D input)
i eS Reference voltage input pin of A/D converter (Connected to +5V)
se 2 eo ees
| 6 | DRIVER RESET | O | Reset signal output for CD FL driver (IC602)
a See
|} 8 | Mecha-conRESET | O. | Reset signal output for CD mechanism controller (IC201)
Te fi set pen
| 10 «| CSCO _| Latched output to CD FL driver (1602)
pu [aususour [0 | AvBisoumn SS SSSCSCSCSC~“~S~“~S~S~S
| 12 |MREQ «| O | Output of communication data read request to CD mechanism controller (IC201) (master request)
| 13 | auBussircs | 1 | AU Bus/SIRCS selection. AU Bus=Fixed at “H”
SS Test mode pin. TEST=Fixed at “H”.
SUF. REP Normally, SUF.REP=Fixed at “H”,
By setting this pin to “L”, SHUFFLE, ALL-DISC, REP are possible.
D. SKIP | 1 | Sound field/EDIT ($332) function selection. Fixed at “H”. “H”: Sound field file. “L": Edit
a cs
ee ee te
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aa Input of communication ANSWER CODE from CD mechanism controller (IC201)
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29 = | P53 | O | Disc indicator (LED) orange (DISC 4)
30 P52 | o | Disc indicator (LED) orange (DISC 3)
31 PS1 | o | Disc indicator (LED) orange (DISC 2)
32 P50 F 20 Disc indicator (LED) orange (DISC 1)
Vss | = | GND
| O | Disc indicator (LED) green (DISC 4)
w & vu pS w
35 P42 | Oo | Disc indicator (LED) green (DISC 3)
36 P4) Oe Disc indicator (LED) green (DISC 2)
37 P40 om Disc indicator (LED) green (DISC 1)
Ww
38 [ P33) SSSSSsdC0_| Disc indicator (LED) orange (DISC 5)
39 =| ~P32 | O | Disc indicator (LED) green (DISC 5)
40 | ASELECT O | Output of A SELECT signal to INPUT SELECTOR (IC 105)