Sony MZ-R37 Service Manual page 32

IC901 MPC18A35FTA
54 53 52
RF4 55
56
DGND
DCIN
57
DC IN
VG1
58
CHARGE
C1H
59
PUMP
C1L 60
VDD 61
HB 62
EFM
HA
63
EFM 64
65
L3
PGND3 66
67
VC
SETUP REGULATOR
DC/DC
SYNC OSC
68
WAKEO 69
FFCLR 70
WAKE 71
SLEEP 72
REF
SELECT
BANDGAP
REFERENCE
1
51 50 49 48 47 46 45
DCIN
VR2
GENERATOR
SYSTEM
CONTROL
SUB
REFERENCE
LOW VC
DETECT
2 3 4 5 6 7 8
44 43 42 41 40 39 38 37
POWER SW
PRE-DRIVER
VLG2
PRE-DRIVER
PRE-DRIVER
DRIVE
CONTROL
SAW TOOTH
9 10 11 12 13 14 15
– 48 –
36
PSL1
35 PSAM
34 VAM3
33 VB
32
VB
VLG1
31 L1
30 L1
29
L1
28
PGND
27
PGND
26 REMGND
25
REMKEY
24
KEYON
23
INMU
22
DTC2
21 DTC1
20 VBSEL
19 VLG1
16 17 18