Sony NW-A1000, Service Manual

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46
NW-A1000
IC9001 uPD68855F9-Y03-BA2-E2-A (POWER CONTROL, CHARGE CONTROL)
Pin No. Pin Name I/O Description
1 VO1 O Power supply output terminal (+1.1V)
2 VO2 O
Power supply output terminal (+1.8V)
3, 4 VO3 O
Power supply output terminal (+3.3V)
5 VO4 O Power supply output terminal (+5V)
6 VO4-2 O
Power supply output terminal Not used
7 DCDC4EN I
Power on/off control signal input for VO4 "H": power on
8 VCCVO1 - Power supply terminal (+3.7V) (for VO1)
9 VCCVO2 -
Power supply terminal (+3.7V) (for VO2)
10, 11 VCCVO3 -
Power supply terminal (+3.7V) (for VO3)
12 GNDVO1 - Ground terminal (for VO1)
13 GNDVO2 -
Ground terminal (for VO2)
14, 15 GNDVO3 -
Ground terminal (for VO3)
16 FB1 I Feedback terminal (for VO1)
17 FB2 I
Feedback terminal (for VO2)
18 FB3 I
Feedback terminal (for VO3)
19 FB4 I Feedback terminal (for VO4)
20 A1IN I
Return capacity input terminal (for VO1)
21 A1OUT O
Return capacity output terminal (for VO1)
22 A2IN I Return capacity input terminal (for VO2)
23 A2OUT O
Return capacity output terminal (for VO2)
24 A3IN I
Return capacity input terminal (for VO3)
25 A3OUT O
Return capacity output terminal (for VO3)
26 LDO1IN I
Power supply input terminal (+1.8V) (for LDO1)
27 LDO2IN I
Power supply input terminal (+3.3V) (for LDO2)
28 LDO3IN I
Power supply input terminal (for LDO3) Not used
29 LDO1 O Power supply output terminal (+1.3V)
30 LDO2 O
Power supply output terminal (+3V)
31 LDO3 O
Power supply output terminal Not used
32 BG1 O Power supply (BG1) output terminal (+2.8V)
33 BG1 (VDD) I
Power supply (BG1) input terminal (+2.8V)
34 BG2 O
Power supply (BG2) output terminal (+1.4V)
35 BG3 O Power supply (BG3) output terminal (+0.6V)
36 VREF O
Reference voltage output terminal
37 VSTBY O
Power supply (VSTBY) output terminal (+3V)
38, 39 VSUS1, VSUS2 O Suspend output terminal Not used
40
WAKE0
I
Wake trigger input terminal (for set key)
41
WAKE1
I
Wake trigger input terminal (for DC power)
42 WAKE2 I Wake trigger input terminal (for VBUS)
43, 44 WAKE3, WAKE4 I
Wake trigger input terminal Not used
45
WAKE5
I
Wake trigger input terminal (for remote commander key)
46 WAKE6 I Wake trigger input terminal Not used
47 CLR I
Start factor clear signal input from the PLD "H" active
48 STBY I
Standby signal input from the PLD "H": standby mode
49, 50 XRST1, XRST2 O
Reset signal output terminal Not used
51 XRST3 O
Reset signal output to the D/A converter, main system controller, NOR flash memory and PLD
"L": reset