Cd Servo Block - Panasonic CQ-DFX572N Service Manual

http://manuals.panasonic.co.uk/viewing/EUOT/CQ-DFX572N/SVC/s0903000000.html

9.3 CD Servo Block

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http://manuals.panasonic.co.uk/viewing/EUOT/CQ-DFX572N/SVC/s0903000000.html (1 of 3)04.11.2005 13:44:11
IC501 : MN101C28LAC2
Pin/No. Port
1 VREF- Reference voltage for ADC (GND)
2 PA0 (Connecting to GND)
3 PA1 Disc-In sensor
4 PA2 Feeder arm SW
5 PA3 Disc-Out sensor
6 PA4 Clamp SW
7 PA5 Inner SW
8 PA6 Disc-In sensor
9 PA7 Not used
10 VREF+ Reference voltage for ADC (+3.3V)
11 VDD Power supply (+3.3V)
12 OSC2 System clock (7.37MHz)
13 OSC1 System clock (7.37MHz)
14 VSS Ground
15 XI (Connecting to GND)
16 XO (NC) No connection
17 MMOD (Connecting to GND)
18 SOM Serial data output
19 SIM Serial data input
20 SCK Shift clock for serial data
21 SB01/P03 No connection
22 SUBC CD-TEXT data
23 SBCK CD-TEXT clock
24 P06 (NC) No connection
25 RESET Reset input
26 MDATA MPU communication data
27 MCLK Shift clock for MDATA
Description I/O Volt./(V)
O
O
O
O
O
- 0
- 0
I 2.9
I 3.0
I 3.0
I 0
I 3.3
I 1.5
- 3.3
- 3.3
- 3.3
1.6
I 1.5
- 0
- 0
- -
- 0
0.5
I 0.5
I 3.0
- -
I 0
3.3
- -
I 3.3
1.0
2.5