Read Sony NW-A3000 Service Manual online
48
NW-A3000
MAIN BOARD 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
"L": reset
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