Sony CDP-470 - Page 5

| CDP-270/470
1-2.
DESCRIPTION
ON
IC6
(MSC6458)
SYSTEM
CONTROL
MICROCOMPUTER
IC6 has the following functions:
-
Digital
signal
output
to
operation
key
-
Sub
Q
signal
loading
and
processing
-
Fluorescent
display
(FLD)
control
- Servo circuit control
Pin Functions
Pin name
1 PLL SW
CLK
ca
4 | mK
PRGL
| 6 | sync our
SENSE
SYNC ON
SIRCS
0) | Description 2
"L" in play mode and "H” in search mode
Command transfer of clock to SSP (IC3) and DSP (IC7).
Command transfer of data to SSP (IC3) and DSP (IC7).
>
Command transfer of latch to SSP (IC3) and DSP (IC7).
Command transfer of latch to DFIL (IC9).
No connector (NC).
I SSP (IC2) and DSP (IC3) sense information.
Sync REC ("L" in REC mode).
Q code read timing.
~
0
ll No connection
i (NC) .
er
Pawn Ott to 9P OG) wT
pl viseviebie@s
Key matrix input, "H” active.
AF ADJ
> n oS oo a oS
=o]
ae oy — Ww | bo
14
15
16
~A | m a |= witty
Oo lyn
SQCLK
I
GFS I
oo
19
20
21
ae
23
24
25
26
27
28
29
30
31
an ee
~
a om Le 9|
Crt (TI fon) ~< << bo I
mH 1O
w
,
Key matrix input, "H” active.
KEY4
KEYS
Key matrix input, "H” active.
cn | 14
a | = w= eo | NO
e|-
=
OSC1 I Oscillator input terminal (4 MHz).
OSCO I Oscillator input terminal (4 MHz).