Panasonic SA-AK500PC, Service Manual

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14.3 IC703 (AN8739SBE2) Focus coil/ Tracking coil/
Traverse motor/ Spindle motor driver
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Pin No. Mark I/O Function
1 /RST - RESET output terminal
2 NC - N.C.
3 IN2 I Motor Drive (2) input
4 PC2 I Turntable motor drive signal (“L :ON)
5 NC - N.C.
6 IN1 I Motor driver (1) input
7 NC I N.C.
8 PVCC1 I Power supply (1) for driver
9 PGND1 - Ground connection (1) for driver
10 NC - N.C.
11 D1- O Motor driver (1) reverse-action output
12 D1+ O Motor driver (1) forward-action output
13 D2- O Motor driver (2) reverse-action output
14 D2+ O Motor driver (2) forward-action output
15 D3- O Motor driver (3) reverse-action output
16 D3+ O Motor driver (3) forward-action output
17 D4- O Motor driver (4) reverse-action output
18 D4+ O Motor driver (4) forward-action output
19 NC - N.C.
20 PGND2 - Ground connection (2) for driver
21 PVCC2 I Power supply (2) for driver
22 NC - N.C.
23 VCC I Power supply terminal
24 VREF I Reference voltage input
25 IN4 I Motor driver (4) input
26 IN3 I Motor driver (3) input
27 RSTIN I Reset terminal
28 NC - N.C.
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