Sony D-NE330 Service Manual page 17

• IC Pin Function Description
MAIN BOARD IC401 TB2169AFG (O)
(FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE, POWER CONTROL)
Pin No. Pin Name
1
FG
2 XBRK
3 WI
4 VI
5 UI
6 COM
7 VIN
8 PGND2
9 L2L
10
VCC0
11 PWSW
12
VCC2
13
VSTB2
14
VAPC
15
VSTB1
16 VCC1
17 VREF
18 PWG
19 PD
20 DELAY
21 INM2
22
RF2
23 INP2
24 GND
25 UPCK7
26 UPCKB7
27
VD
28 INP7
29 INM7
30
RF7
31 VG
32 C1H
33 C1L
34
COLD ST
35
SYNC
36 RMCR
37
WAKE
38
CLOCK
39
DATA
40 LATCH
41 RO3
42 VD3
43 FO3
44 MGND23
45 RO2
I/O
O FG signal output to the system controller
I
Brake signal input terminal Not used
I
Comparator (W) positive pole input terminal
I
Comparator (V) positive pole input terminal
I
Comparator (U) positive pole input terminal
I
Comparator (U/V/W) negative pole input terminal
-
Dry battery connection terminal
-
Ground terminal
-
Coil connection terminal
O Power supply voltage output terminal (+2.3V)
O
OSC standby signal output terminal
O Power supply voltage output terminal (+2.1V)
O Power supply voltage output terminal (+2.1V)
O Power supply voltage output terminal (+1.95V)
O Power supply voltage output terminal (+1.25V)
O Power supply voltage output terminal (+1.2V)
O
Reference voltage output terminal
I
VAPC power supply on/off control signal input terminal
O
Error amplifier output terminal for APC circuit
I Delay control signal input terminal
O
Error amplifier output terminal for VCC0 switching power supply circuit
-
Error amplifier connection terminal for VCC0 switching power supply circuit
I
Error amplifier non-invert input of VCC0 switching power supply circuit
- Ground terminal
O FET (bottom side) drive signal output for VD switching power supply circuit
O FET (top side) drive signal output for VD switching power supply circuit
I Feed back voltage input terminal for VD switching power supply circuit
I Error amplifier non-invert input for VD switching power supply circuit
O
Error amplifier output terminal for VD switching power supply circuit
-
Error amplifier connection terminal for VD switching power supply circuit
O
VG power supply output terminal (+4.5V)
- 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
O Not used
I 176.4 kHz clock signal input from the system controller
O Wake up signal output to the system controller
I Wake up signal input from the system controller
I Serial clock signal input from the system controller
I Serial data input from the system controller
I Latch signal input from the system controller
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
D-NE330/NE331
Description
17