Panasonic SA-PM21PC, Service Manual

Page: 75 / 92

Pin No. Mark I/O Function
1 VREF- - A/D Converter Reference GND
2 KEY 1 I Key 1 Input
3 KEY 2 I Key 2 Input
4 MK_IN1 I Mech Condition Input1 (Mode
and TPS)
5 MK_IN2 I Mech Condition Input2 (Half and
RECINF)
6 PDET I Power Detect
7 DES I Destination Setting
8 N.C. - No Connection
9 N.C. - No Connection
10 VREF + - A/D Converter Reference Volt
11 VDD - Power Input Pin
12 OSC 2 O Main Oscillator Output
13 OSC 1 I Main Oscillator Input
14 VSS - GND
15 XI I Suboscillator Input
16 XO O Suboscillator Output
17 GND - Memory Mode Selection
18 N.C. - No Connection
19 RDS_DATA I/O RDS IC CTRL
20 RDS_CLK I/O RDS CLK In
21 CD_MDATA I/O CD LSI Command Data
22 CD_STAT I/O CD Status Input
23 CD_MCLK I/O CD LSI Command Clock
24 N.C. - No Connection
25 PCONT1 I/O Power Control Output1 (PWR
SPLY, Active High)
26 RM IN I Remocon Input
27 HALT I AC Failure Detect Signal
28 CD_OPS I CD Open (L: Open, P: Close)
29 RESTSW I CD Tranverse Limit SW
30 BLKCK I CD Subcode Block Clock Input
31 N.C. - No Connection
32 N.C. - No Connection
33 MICOM RST I Micom Reset (L: Reset)
34 N.C. - No Connection
35 CD RESET I/O CD Reset Output
36 CD_MLD I/O CD LSI Command Load
37 N.C. - No Connection
38 N.C. - No Connection
39 N.C. - No Connection
40 FL_RST I/O FL Reset Output
41 FL_CS I/O FL CS Output
42 FL_DATA I/O FL Data Output
43 N.C. - No Connection
44 FL_CLK I/O FL Clock Output
45 TU_SDA I/O IIC Data Line For Tuner
46 N.C. - No Connection
47 TU_CL I/O IIC Clock Signal For Tuner
48 N.C. - No Connection
49 PCONT2 I/O Power Control Output2 (PWR
AMP, active H)
50 DEMO
SETTING
I/O Demo Mode Setting (H: OFF, L:
ON)
51 N.C. - No Connection
52 HP_SW I/O Headphone Detect SW Input
53 MUTE A I/O Audio Mute O/P (L: Mute On)
54 N.C. - No Connection
55 N.C. - No Connection
56 ASP_CLK I/O ASP CLK O/P
57 ASP_DAT I/O ASP Data O/P
58 N.C. - No Connection
59 N.C. - No Connection
60 N.C. - No Connection
61 EDATA I/O Eeprom Data In/Out
Pin No. Mark I/O Function
62 ECLK I/O Eeprom Clock Output
63 ECS I/O Eeprom CS Output
64 N.C. - No Connection
65 TU_TUNED I/O Tuner Tuned Signal
66 TU_ST I/O Tuner Stereo Signal
67 N.C. - No Connection
68 N.C. - No Connection
69 N.C. - No Connection
70 MOTOR_H I/O Deck Motor Control Out (H: ON)
71 PL_H I/O Deck Plunger Control Out (H:
On)
72 N.C. - No Connection
73 N.C. - No Connection
74 TAPE_EJ I/O Tape Eject SW I/P (L: SW On)
75 PHOTO_1 I/O Deck Photo SW Input
76 RECH I/O Deck Rec Control Output
(Active High)
77 N.C. - No Connection
78 DMT I/O Deck Mute Output (L: Mute On)
79 N.C. - No Connection
80 N.C. - No Connection
81 N.C. - No Connection
82 N.C. - No Connection
83 N.C. - No Connection
84 N.C. - No Connection
85 N.C. - No Connection
86 N.C. - No Connection
87 N.C. - No Connection
88 N.C. - No Connection
89 N.C. - No Connection
90 N.C. - No Connection
91 N.C. - No Connection
92 CRTIMER I/O CR Timer
93 N.C. - No Connection
94 S/W RST I/O Test Mode On/Off (H: On)
95 VREF - - D/A Converter Reference GND
96 JOG 1 I Jog Input 1
97 JOG 2 I Jog Input 2
98 CLOSE_L I/O Cd Tray Close Control (Avtive L)
99 OPEN_H I/O CD Tray Open Control (Active
H)
100 VREF + - D/A Converter Reference
Voltage
22.3. IC803 (MN101C49GHA) MICRO PROCESSOR
75
SA-PM21PC