Sony WALKMAN D-CJ01, Service Manual

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9
D-CJ01
Pin No. Pin name I/O Description
1 CEX — Not used (OPEN).
2 to 8 — — Not used (OPEN).
9 VDD — Power supply terminal.
10 XTAL 0 O Crystal oscillator output (8MHz).
11 XTAL 1 I Crystal oscillator input (8MHz).
12 GND — Ground terminal.
13 — — Not used (OPEN).
14 GND — Ground terminal.
15 RESET I Reset terminal.
16 SCOR I Sob code signal input.
17 GRSCOR I GR SCOR signal input.
18 OPENSW I Open/Close switch input.
19 KEY I Main unit Key input.
20 RMKEY I Rrmote control Key input.
21 DCIN I AC adaptor detection.
22 — — Not used (OPEN).
23 VDD ( AVDD ) — Power supply terminal.
24 VDD ( AVREFO ) — Power supply terminal.
25 BATT 1 MNT I Battery input (3V).
26 BATT 2 MNT I Battery input (1.5V).
27 CHGMNT I Charge moniter input.
28 KEY 1 I Main unit Key input.
29 KEY 2 I Main unit Key input.
30 RMKEY I Rrmote control Rey input.
31 DCINMNT I Not used (OPEN).
32 — — Not used (OPEN).
33 GND ( AVSS ) — Ground terminal.
34 AGC O AGC output.
35 — — Not used (OPEN).
36 VDD ( AVREF 1 ) — Power supply terminal.
37 TSBDT 1 I TSB data input.
38 TSBDT 0 O TSB data output.
39 TSBSCK I TSB serial clock data input.
40 SENS I Sequencer input.
41 SDTO O Serial data output.
42 SCK O Serail data transfer clock signal output.
43 MCLK O Clocr signal output for RM control.
44 BEEP O Beep signal output.
45 SDAO O Serail data output for MPEG decorder.
46 XSOE O SOE signal output for IC601.
47 SCLO O Serail clock output.
48 XPOWLT O Power ON/OFF signal output.
49 XAPCOFF O Autmatic power control off signal output.
50 XHGON O HG on signal output.
SECTION 5
DIAGRAMS
5-1. EXPLANATION OF IC TERMINALS
IC801 (SYSTEM CONTROL)
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PD784216AY-CJ1