Panasonic CQ-DFX572N, Service Manual

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