Aiwa XP-ZR850 Service Manual page 25

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