Sony MZ-R501 Service Manual page 41

IC601 XPC18A22FCR2
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
IC901 XPC18A32FCR2
42 41
NC 43
VD 44
SERIES PASS
OUTPUT SW
REGULATOR VA
VC2 45
XRST 46 OUTPUT SW
CRST 47
RSTREF 48
VREF 49
VB
VB 50
VC
GND 51
VSTB
CLKSEL 52
VAIFON 53
SYSTEM
FFCLR 54
CONTROL
SLEEP 55
CLK 56
1 2 3
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
40 39
SERIES PASS SERIES PASS
REGULATOR VD REGULATOR VIF
VC VC VC
VC VB
VSTB
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
38 37 36 35 34
OUTPUT
SW
VG
POWER
SWITCH 1
VC
BANDGAP
REFERENCE
VC
PWM
VG VG
POWER STEP-UP
SWITCH 2 PRE DRIVER
OUTPUT SW
8 9 10 11 12 13 14
MZ-R501/R501PC
29
VGC
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
33 32 31 30 29
OUTPUT SW
VC
+
–
STEP-UP
PWM
PRE DRIVER
+
–
VB VB VC VG
STEP-UP
OUTPUT
DC/DC
START-UP
CONVERTER
28 L1
27 RF1
26 INM1
25 DTC1
24 DTC2
23 RF2
22 INM2
VG
21 PWM1
VG
20 PWM2
19 VG
18 LG
SW
17 PGND2
16 L2
15 NC
41