Sony Net MD Walkman MZ-N1 Service Manual page 44

MZ-N1
IC601 XPC18A22AFCR2
42 41
OUTPUT SW
VC VG DC IN
HI-BRIDGE
VB 43
CHARGE
PRE DRIVER
MONITOR
X2/X4
BATM 44
DC IN
CONTROL
CHARGE
CHGSW 45
CONTROL
DC IN
RS 46
BATTERY
INP2 47
CHARGER
&
INM2 48
REGULATOR
RF2 49
DCIN 50 DC IN
CHGMON 51
DC IN
DC IN DC IN
SVREF 52
BANDGAP DETECT
GND 53
GAIN 54
CHG 55
DREG 56
44
40 39 38 37 36 35 34 33
VG
OUTPUT SW
VC
EFM
PRE DRIVER
VG3
CONTROL
SYSTEM
LEVEL
SHIFT
1 2 3 4 5 6 7
32 31 30
VG3
VG2 VG3 VC2 VG
CHARGE
PUMP 2
VC
VG2 VC
PWM
VC
VG
SET-UP DOWN
PRE DRIVER
VIO
OUTPUT SW
VIO VC
8 9 10 11 12 13 14
29
VG2
28 C1H
CHARGE
PUMP 1
27 C1L
VC2
VC
26 VC2
VREF
25 VREF
BUFFER
24 CVREF
23 GND
22 DW BT
21 DW TP
20 RF1
19 INM1
VC AMP
18 INP1
17 DTC
16 VREC
SW
15 VRECO2