Panasonic SA-PM37MD, Service Manual

Page: 82 / 180

14.9. IC502 (MN101C49KCB1) SYSTEM MICROPROCESSOR
Pin No. Mark I/O Function
1 VREF- — Connected to GND
2 KEY1 I Key 1 input terminal
3 KEY2 I Key 2 input terminal
4 MK_IN1 I Mechanism condition 1
input terminal (HALF/
RECI_F/ RECI_R/MODE)
5 MK_IN2 I Mechanism condition 2
input terminal (PHOTO/
TPS)
6 DCDET I Power supply detect
input terminal
7 DES I Destination switch
input terminal
8 VOL JOG1 I Jog 1 input terminal
9 VOL JOG2 I Jog 2 input terminal
10 VREF+ I Power supply
connection terminal
11 VDD I Power supply input
terminal
12 OSC2 O Main lock signal output
terminal (F=8MHz)
13 OSC1 I Main lock signal input
terminal (F=8MHz)
14 VSS — GND terminal
15 XI I Sub clock input
terminal (F=32MHz)
16 XO O Sub clock output
terminal (F=32MHz)
17 MMOD — GND terminal
18 PMD_OUT O P-MD data output
terminal
19 PMD_IN I P-MD data input
terminal
20 RDS_CLK I RDS clock input
terminal
21 NC — Not used/Open
22 CD_SUBQ I CD sub-code input
terminal
23 CD_SQCK O CD sub-code read
clock output terminal
24 NC — Not used/Open
25 PCONT2 O Power supply control 2
output terminal
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