Diagrams; Explanation Of Ic Terminals - Sony PMC-DR50L Service Manual

5-1. EXPLANATION OF IC TERMINALS

IC801 CXP82832-023Q (SYSTEM CONTROL, FL DRIVE)
Pin No. Pin name
1 G02
2 G01
3 NC
4 CD SCOR
5 T-COUNT
6 P.DOWN IN (BACK UP)
7 TAPE AMS IN
8 REMOTE IN
9 FM STEREO IN
10 RADIO SHFT CLK
11 LC72131 CE
12 LC72131 CLK
13 LC72131 DATA IN
14 LC72131 DATA OUT
15 CXD2589Q XRST
16 CXD2589Q XLAT
17 CXD2589Q CLOCK
18 CXD2589Q DATA
19 CD OPEN SW IN
20 CD CLOSE SW IN
21 CXD2589Q SENS1
22 BU1924F RCLK IN
23 BU1924F RADIO DATA IN
24 BU1924F QUARTY IN
25 CXD2589 SQCK
26 CXD2589 SQSO
27 CXD2589 SENS2
28 AVREF
29-33 KEY1-5
34 TAPE STATUS
35 TAPE MECHA MODE SW
36 VER
37 AVSS
38 RESET
39 EXTAL
40 XTAL1
41 VSS
42 XTAL 32.768kHz
43 XTAL 32.768kHz
44 VDD
45 VFDP
46 IN I
47 CD OPEN OUT
48 CD CLOSE OUT
49 P03
50 P04
SECTION 5

DIAGRAMS

I/O
O FL grid drive output.
O FL grid drive output.
– Not used (OPEN).
I CD SCOR input.
I Tape rotation detect input.
I Power ON detect input.
I AMS signal input.
I Remote control signal input.
I FM STEREO signal input.
O Clock shift signal output.
O Radio PLL IC chip enable output.
O Radio PLL IC clock output.
I Radio PLL IC data input.
O Radio PLL IC data output.
O CD system reset output.
O CD DSP IC command latch output.
O Clock output for CD DSP IC.
O CD DSP IC command data output.
I CD tray open switch input.
I CD tray close switch input.
I CD SENS input.
I Radio RDS IC clock input.
I Radio RDS IC data input.
I Radio RDS IC quarity input.
O Clock output for CD SUB-Q.
I CD SUB-Q input.
I CD SENS input.
I Reference voltage input (for A/D converter).
I Key return signal input.
I Tape detection input.
I FWD/REV detection input.
I Destination setting terminal (fixed at "H").
– Ground.
I System reset input.
O System clock output (8MHz).
I System clock input (8MHz).
– Ground.
I Real clock input (32.768kHz).
O Real clock output (32.768kHz).
– Power supply terminal.
– FL power supply terminal.
I Initial setting input.
O CD tray open signal output.
O CD tray close signal output.
– Not used (OPEN).
– Not used (OPEN).
– 23 –
Description