Sony MZ-NF610 Service Manual page 49

IC601 XPC18A22AEPR2
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
IC651 XC6367A331MR
VOUT 1
COMPENSATION
VDD 2
+
–
ERROR
AMP
VREF WITH
CE 3 SOFT START,
CONTROLLER
CE
40 39 38 37 36 35 34 33
VG
OUTPUT SW
VG
EFM
PRE DRIVER
VC
CONTROL
SYSTEM
LEVEL
SHIFT
1 2 3 4 5 6 7
PHASE
PWM
COMPARATOR
+
BUFFER,
DRIVER
–
RAMP WAVE
PWM/PFM
GENERATOR,
OSC
32 31 30
VG3
VC2 VG
VG2 VG3
CHARGE
PUMP 2
VG3
VC
VG2 VC
PWM
VC
VG
SET-UP DOWN
PRE DRIVER
VIO
OUTPUT SW
VIO VC
8 9 10 11 12 13 14
EXT
5
4 GND
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
MZ-NF610
49