Read Sony NW-MS77DR Service Manual online
NW-MS77DR
17
17
5-9. SCHEMATIC DIAGRAM – POWER SECTION –
CN502
CN501
C503
C504
C507
C511
C512
C514
C524
R504
R505
R506
R507
R508
R509
R510
R511
R512
R537
D502
L502
TP504
R516
R517
R518
R519
R520
R535
R536
R513
C513
R515
C508
D501
L501
100
µH
100
µH
Q501
Q502
Q504
Q503
20P
2P
0.1
0.1
1
47
10V
47
10V
47p
10
6.3V
22k
0.5%
0.5%
470k
100k
1M
1M
470k
220k
VDR510
330k
0.5%
0.5%
2.2M
2.2M
RSX101M-30
100k
100k
47k
220k
470k
2.2M
100k
220k
33p
470k
1
RSX101M-30
XP4601-TXE
BUFFER
3LN01S-TL
POWER
SWITCH
XP151A12A2MR
SWITCHING
XP151A13A0MR
SWITCHING REG.
1
5
10
15
20
VCORE
REG CE
VDD CORE
VIO
BATT SENS
BATT+
BATT+
BATT+
VIO
VDD CORE
XPWM
ULOW BATT
NC
GND
BATT-
BATT-
BATT-
GND
GND
GND
VDD
VSS
CE
CE
VOUT
ECO
CE
VDD
FB
VSS
EXT
CE
VDD
FB
VSS
EXT
VOUT
VSS
VDD
NC
IC501
S-80809CNBB-B9N-TF
IC502
XC9105D091MR
XC9105D091MR
IC503
IC504
R1160N121B-TR-FA
BATTERY
(NI-MH)
RECHARGEABLE
DETECT
BATTERY LEVEL
SWITCHING REG.
SWITCHING REG.
+1.2V REG.
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
0.5%
(Page 11)
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