Kenwood RXD-M65V-H Service Manual page 9

5-2 Pin Description of Microcomputer
Pin No. Pin Name
1 VREF-
2 PH
3 TN TYPE
4 S LEVEL
5,6 KEY1,KEY2
7 A LEVEL
8 TH
9 CD PROTECT
10 VREF+
11 VDD
12 OSC2
13 OSC1
14 VSS
15 XI
16 XO
17 MMOD
18 SDI
19 SDO
20 SCK
21~23 N.C.
24 CL SW
25 RESET
26 CE
27 OP SW
28 CD POWER
29 N.C.
30 VCD u-com ACK
31 REM CONTROL
32 NO USE
33 RDSCLK
34 RESET2
35 NO USE
36 PAL/NTSC
37 VCD u-com DATA
38 VCD u-com ST
39 CLOSE
40 OPEN
41 HP IN
42 FLASH UC 1
43 FLASH UC 2
44 EVOL CE
45 EVOL.CLK
46 EVOL.DATA
47 POWER RLY
48~51 N.C.
52 PLL CLK
53 PLL DO/ST
54 PLL DAT
55 PLL CE
56 SD
57 TU MUTE
58 PLAY SW
CIRCUIT DESCRIPTION
I/O Pin Description
- Power supply (-) for A/D converter.
I Deck reel sensor input.
I Discrimination of tuner destination.
I RDS signal level input. (E/T version only)
I A/D key (1, 2) input.
I Unused.
I Unused.
I Detection pin of CD protection.
- A/D reference voltage input of the A/D converter.
I Pin for power supply (+5V).
O Main clock output (8.388MHz).
I Main clock input (8.388MHz).
- Connected to be ground.
I Timer clock input (32.768kHz).
O Timer clock output (32.768kHz).
- Connected to be ground.
O Data output to FL driver.
I Data input from FL driver.
O Clock output to FL driver.
- Unused.
I Input pin of close switch for CD tray.
I Reset signal input for microcomputer.
I Back up detection input.
I Input pin of open switch for CD tray.
O ON/OFF control pin for CD DSP power.
- Unused.
I/O DSA Acknowledge
I Remote control signal input.
- Unused.
I RDS clock input. (E/T version only)
I Detection pin of voltage drop.
- Unused.
O TV system selector
I/O DSA data pin for ESS.
I/O DSA STB pin for ESS.
O Control pin of CD tray motor to close the tray.
O Control pin of CD tray motor to open the tray.
I Detection pin for headphones jack.
I Power supply for flash ROM.
I Power supply for flash ROM.
O Chip enable output to electronic volume (X29, IC601).
O Clock output to electronic volume (X29, IC601).
O Data output to electronic volume (X29, IC601).
O Power relay control.
- Unused.
O PLL IC clock output.
I PLL IC data input.
O PLL IC data output.
O PLL IC chip enable output.
I SD detector input.
O Tuner mute control.
I Detection switch input of head position for deck.
RXD-M65V-H/M65V-N
Active
H L
Closed
Reset
AC On AC Off
Opened
AUTO
Detected
Detected
Mute ON
Playback
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