Ic303 System Control (Cxp82320-064Q) - Sony cdp-c250z Service Manual

• IC303 SYSTEM CONTROL (CXP82320-064Q)

Pin No. Pin Name
1 AF ADJ
2 RM IN
3 ADJ
4 XLT
5 LDON
6 TSENS
7 PRGL
8 CLK
9 AMUTE
10 DATA
11 SQCK
12 SUBQ
13 SCLK
14 to 16 S1 to S3
17 to 22 –
23 to 27 KEY1 to KEY5
28 –
29 FB. MODE
30 RST
31 EXTAL
32 XTAL
33 Vss
34 LODOUT
35 LODIN
36 TBLR
37 TBLL
38 to 57 P1 to P20
58 to 62 –
63 to 70 G1 to G8
71 VG
72 V
DD
73 –
74 to 77 –
78 D.SENS
79 SENSE
80 SCOR
I/O
I Test mode pin. Normally: "H"
I Remote control signal input pin.
I Test mode pin. Normally: "H"
O Serial data latch signal output pin.
O Optical pick-up laser diode control pin. ON: "H"
I Slit sensor of disc table input pin.
O Latch signal output pin to digital filter IC.
O Serial clock output pin.
O Analog muting control signal output pin.
O Serial data output pin.
O Subcode Q data readout clock output pin.
I Subcode Q data input pin.
O Internal register of SSP/DSP readout clock output pin.
I Loading encoder input pin.
– Not used.
I Key input pin. (A/D)
– Not used.
I Disc table feeling and stop precision fine adjustment pin.
I Reset signal input pin.
I 10MHz clock input pin.
O 10MHz clock output pin.
– GND
O Loading motor control pin.
O Loading motor control pin.
O Table motor control pin.
O Table motor control pin.
O FL segment output pin.
– Not used.
O FL timing output pin.
– –30V
– +5V
– +5V
– Not used.
I Disc sensor input pin. "L": disc preset.
I SENSE signal input pin.
I Subcode Q data readout timing signal input pin.
— 27 —
Function