Sony CDP-70 - 3-4. EXPLANATION OF IC601 (MSC6458-36 SS)

3-4. EXPLANATION OF IC601 (MSC6458-36SS)
IC601 have function of digit signal output to operation key, SUB Q signal taking in and management, tube (FLD) and
control of servo system, etc.
3-4-1. Pin Description
Pin No. Symbol I/O Description
1 PLL SW O | In play “L”, in serch “H”.
2 CLK O | Command transmission clock to SSP (IC201) and DSP (IC301).
3 DATA O | Command transmission data to SSP (IC201) and DSP (IC301).
4 XLT O | Command transmission ratch to SSP (IC201) and DSP (IC301).
5 PRGL O | Command transmission ratch to DFIL (1C303).
6 SYNC OUT O | NC
it SENSE I | SENSE information of SSP (IC201) and DSP (IC301).
8 a I | NC
9 SIRCS I Remote control signal input.
10 SCOR I Q code read timing.
ll AF ADJ I | NC
12 ADJ I Test mode on “L” .
13 AMUTE O | To MUTG of all mute DSP (IC301).
14 E MPS O | NC
15 SUBQ I | Subcode data.
16 SQCLK O | Subcode data readout clock.
17 GFS I | In CLV rock “H”.
18 FOK I | In FOCUS ON “H”.
19 KEY 0 I Key matrix input “H” active.
20 KEY 1 I Key matrix input “H” active.
21 KEY 2 I Key matrix input “H” active.
22 KEY 3 I Key matrix input “H” active.
23 KEY 4 I Key matrix input “H” active.
24 KEY 5 I Key matrix input “H” active.
25 INSW I Loading in SW.
26 LDON O | Laser ON/OFF.
27 OUT SW I Loading out SW.
28 LODOUT O | Loading motor cortrol.
29 LODIN O | Loading motor cortrol.
30 OSC I I Pulse input (4MHz)
31 OSC O O | Pulse output (4MHz)
32 GND — |GND
33 RESET I Reset input: In POWER ON “Input”.
34 TEST — {NC
35 VL DOWN — |NC
36 VL UP O | Volume up sigual.
Pin No. Symbol 1/O Description
37 TIMER O | NC
38 VL LAMP O | Volume indicator.
39 8G — {NC
40 7G O | FLD timing output.
41 6G O FLD timing output.
42 5G O | FLD timing output.
43 4G O | FLD timing output.
44 3G O | FLD timing output.
45 2G O | FLD timing output.
46 1G O | FLD timing output.
47 co — ;NC
48 0) O | FLD segment output.
49 n O | FLD segment output.
50 m O | FLD segment output.
51 +30V — | +30V
52 1 O | FLD segment output.
53 k O | FLD segment output.
54 j O | FLD segment output.
55 i O | FLD segment output.
56 h O | FLD segment output.
57 g O | FLD segment output.
58 f O | FLD segment output.
59 e O FLD segment output.
60 d O | FLD segment output.
61 Cc O | FLD segment output.
62 b O FLD segment output.
63 a O FLD segment output.
64 VDD — | Power supply (+5V)
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