Sony PHA-1A / PHA-1AEU Service Manual ▷ View online
PHA-1A/1AEU
21
MAIN BOARD IC701 BQ24073RGTR (BATTERY CHARGER, POWER CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
TS
I
External NTC thermistor input terminal Not used
2, 3
BAT
I/O
Battery power input and charge power output terminal
4
CE
I
Chip enable signal input terminal Not used
5, 6
EN2, EN1
I
Current control signal input terminal
7
PGOOD
O
Power supply state detection signal output to the charge controller
“L”: power supply is good, “H”: power supply is failure
“L”: power supply is good, “H”: power supply is failure
8
VSS
-
Ground terminal
9
CHG
O
Charge detection signal output to the charge controller “L”: charging, “H”: non-charging
10, 11
OUT
O
System power supply output terminal (+3.7V)
12
ILIM
I
Adjustable current limit programming input terminal
13
IN
I
DC power supply input terminal (+5V)
14
TMR
I
Timer programming input terminal Not used
15
TD
I
Termination disable signal input terminal Not used
16
ISET
I
Quick charge current programming input terminal Not used
PHA-1A/1AEU
22
MAIN BOARD IC702 PIC16F1455T-I/ML (CHARGE CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
C_LED
O
LED drive signal output terminal for the POWER/CHG indicator (red color) “H”: LED on
2
TEMP
I
TH temperature monitoring signal input terminal
3
RST
-
Not used
4
CHD_PGOOD
I
Power supply state detection signal input from the power controller
“L”: power supply is good, “H”: power supply is failure
“L”: power supply is good, “H”: power supply is failure
5, 6
RC4, RC3
O
Current control signal output terminal
7
RC2
I
Charge detection signal input from the power controller “L”: charging, “H”: non-charging
8, 9
RC1, RC0
I
USB cable connection detection signal input terminal
10
VUSB3V3
I
USB communication reference voltage input terminal
11
D–
I/O
Two-way USB data (–) bus with the DC IN 5V connector
12
D+
I/O
Two-way USB data (+) bus with the DC IN 5V connector
13
VSS
-
Ground terminal
14, 15
NC
-
Not used
16
VDD
-
Power supply terminal (+5V)
23
PHA-1A/1AEU
SECTION 4
EXPLODED VIEWS
1
4-420-210-02 SHEET,
WOOFER
2
3-254-083-11 SCREW (L = 4.5 mm)
3
4-563-929-01 FOOT,
RUBBER
4
3-234-449-27 SCREW (M1.4) (L = 2.5 mm)
5
4-569-127-01 HI-RES
LABEL
6
4-563-921-01 PANEL, BOTTOM (PHA-1A)
6
4-563-921-11 PANEL, BOTTOM (PHA-1AEU)
7
3-234-449-39 SCREW (M1.4) (L = 4.0 mm)
CN602
1-844-269-11 CONNECTOR, USB (A)
(INPUT (for iPhone/iPad/iPod))
MA1
X-2591-592-1 CASE AND PC BOARD ASSY (SV)
(Including MAIN board, Sheet, Label)
(PHA-1A: US, CND) (See Note)
MA1
X-2591-593-1 CASE AND PC BOARD ASSY (SV)
(Including MAIN board, Sheet, Label)
(PHA-1A: E, AUS, RU) (See Note)
MA1
X-2591-594-1 CASE AND PC BOARD ASSY (SV)
(Including MAIN board, Sheet, Label) (PHA-1A: CH)
(See Note)
MA1
X-2591-616-1 CASE AND PC BOARD ASSY (SV)
(Including MAIN board, Sheet, Label) (PHA-1A: LA)
(See Note)
MA1
X-2592-229-1 CASE AND PC BOARD ASSY (SV)
(Including MAIN board, Sheet, Label) (PHA-1AEU)
(See Note)
S001
1-786-792-11 SWITCH, SLIDE (GAIN) (PHA-1AEU)
S001
1-798-544-11 SWITCH, SLIDE (GAIN) (PHA-1A)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
Parts Color Cabinet’s Color
4-1. MAIN BOARD SECTION
• Rear bottom view
A
A
6
7
3
3
4
3
3
2
2
2
2
1
5
not supplied
case
MA1
MAIN board
battery section
not supplied
CN602
S001
not supplied
7
Note: When replacing the MAIN board or case, be sure to replace both
parts simultaneously.
Among the repair parts, the MAIN board and case are supplied
as one unit.
as one unit.
Ver. 1.1
24
PHA-1A/1AEU
4-2. BATTERY SECTION
51
4-563-927-01 GUIDE,
LIGHT
52
4-563-968-01 CUSHION,
BATTERY
53
4-567-766-01 SHEET,
FRAME
54
4-563-919-03 FRAME
55
3-254-083-11 SCREW (L = 4.5 mm)
56
A-2072-474-A HP JACK BOARD, COMPLETE (PHA-1A)
56
A-2081-095-A HP JACK BOARD, COMPLETE (PHA-1AEU)
BAT1 X-2591-595-1 BATTERY
ASSY
(SV)
(Including Label (Battery recycle)) (See Note)
VOL1
X-2591-560-1 PLATE MIDDLE ASSY (SV)
(Including VOLUME board)
WR1
1-848-857-11 CABLE WITH CONNECTOR (8 pin)
(MAIN - VOLUME board)
WR2
1-848-858-11 CABLE WITH CONNECTOR (3 pin)
(MAIN - HP JACK board)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
53
52
55
BAT1
WR1
WR2
VOL1
55
55
54
55
56
51
Note: When removing the battery assy (Ref. No. BAT1) from the
frame sheet or battery cushion, the battery assy (Ref. No. BAT1)
cannot be reused. Besure to replace them with new parts.
cannot be reused. Besure to replace them with new parts.
Ver. 1.1
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