Aiwa XP-ZR850, Service Manual

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XP-ZR850
Pin No. Pin Name I/O Description
1 COM I Comparator (U/V/W) negative pole input terminal
2 VMU — Power supply terminal (for spindle motor drive U phase)
3 UO O Spindle motor drive U phase output terminal
4 GNDUV — Ground terminal (for spindle motor drive U/V phase)
5 VO O Spindle motor drive V phase output terminal
6 VMVW — Power supply terminal (for spindle motor drive V/W phase)
7 WO O Spindle motor drive V phase output terminal
8 GNDW — Ground terminal (for spindle motor drive W phase)
9 FO3 O Focus coil drive signal (+) output terminal
10 VM3 — Power supply terminal (for focus coil drive)
11 RO3 O Focus coil drive signal (–) output terminal
12 HBGND23 — Ground terminal (for focus/tracking coil drive)
13 RO2 O Tracking coil drive signal (–) output terminal
14 VM2 — Power supply terminal (for tracking coil drive)
15 FO2 O Tracking coil drive signal (+) output terminal
16 HBGND12 — Ground terminal (for tracking coil drive and sled motor drive)
17 RO1 O Sled motor drive signal (–) output terminal
18 VM1 — Power supply terminal (for sled motor drive)
19 FO1 O Sled motor drive signal (+) output terminal
20 HBGND1 — Ground terminal (for sled motor drive)
21 TEST — Test mode terminal
22 RSTB O System reset signal output to the system controller
23 SYNC I 176.4 kHz clock signal input from the system controller
24 WAKE I Wake up signal input from the system controller
25 COLDST O Cold start flag output to the system controller
26 CLOCK I Serial clock signal input from the system controller
27 DATA I Serial data input from the system controller
28 LATCHB I Command latch signal input from the system controller
29 EXTRSTB I External reset signal input terminal Not used
30 DCIN — AC adapter power supply connection terminal
31 CRF O Battery charge circuit error amplifier output for rechargeable battery
32 CINM I Battery charge circuit error amplifier invert input for rechargeable battery
33 BATM — Rechargeable battery and dry battery minus terminal
34 CHGSW O Battery charge control transistor drive signal output for rechargeable battery
35 RSOSCR — Connection terminal of sense resistor and external resistor for internal oscillation circuit
36 OSCC — External capacitor connection terminal for internal oscillation circuit
37 RI3 I Focus servo drive signal (–) input from the system controller
38 FI3 I Focus servo drive signal (+) input from the system controller
39 RI2 I Tracking servo drive signal (–) input from the system controller
40 FI2 I Tracking servo drive signal (+) input from the system controller
41 RI1 I Sled servo drive signal (–) input from the system controller
42 FI1 I Sled servo drive signal (+) input from the system controller
43 CHGMON O Charge voltage monitor output to the system controller
44 VG O VG power supply output terminal (+5V)
45 CINP I Battery charge circuit error amplifier non-invert input for rechargeable battery
46 C1H — Capacitor connection terminal for charge pump (high side) of VG power supply circuit
47 C1L — Capacitor connection terminal for charge pump (low side) of VG power supply circuit
JACK BOARD IC401 SC901591AFR2
(FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE, POWER CONTROL)