Sony MZ-N520 Service Manual page 50

MZ-N520/N520CK
FFCLR1
1
XWAKE4
2
XWAKE3
3
XWAKE2
4
XWAKE1 5
VRMC 6
LVB 7
HVB 8
VSTB 9
VC1 10
VCO1
11
VO1 12
L1 13
L1 14
PGND1 15
VC1G 16
VG
REF2
CAP_C_LIM
VI2DET
AD_SEL
50
IC901 SC111291EPR2
64 63 62 61 60 59
CONTROL
VC2
FFCLR
LVB
DRIVER
XRST1
VC
VF1
XRST1
POWER
XRST2
SWITCH 1
XRST1
PWM
VC
VG
VF2
17 18 19 20 21 22
IC951 SC901582EPR2
24 23
VI
1
2
SW5
A/D 3
I_SEL 4
5
VI2 SW4
6
VI2
VI
VREF
VOLTAGE
REFERENCE
7 8
58 57 56 55 54 53 52
AMP1
REF1
REF2
REF3
REF4
REF5
VC2
REF3
REF4
VF2
REF5
XRST1
XRST2
SEQSEL
XRST1 XRST2
VC
START-UP VB
VB
SET-UP
VC
DC/DC
CONVERTOR
VG
VB
23 24 25 26 27 28 29
22 21 20 19
SW6
OSC
VREF
TIME
DIVIDER
SIGNAL
RECEIVER
NSW1
SIGNAL
RECEIVER
VO
VREF
DELAY
VCR
BATT
SEL
VG
9 10 11 12
51 50 49
(HP AMP)
VC
BANDGAP
48 VREF
AM2
REFERENCE
47 REGC3
46 REGC2
45 REGC1
VG
44 REGI1
SERIES PASS
REGULATOR1
43 REGO1
VG
VC2
42 VC2
SERIES PASS
REGULATOR2
41 REGO2
VG
40 REGI3
SERIES PASS
REGULATOR3
39 REGO3
38 CVIN
POWER
SWITCH 2
37 VCOUT
XRST2
36 VO2
XRST1
35 L2
PWM
34 L2
33 PGND2
VG
VF2
30 31 32
NSW4
RF1
18
N1
19
PGND
NSW3
LOGIC
I_CTL1
17
LOGIC
16
I_CTL2
N2
15 WK_DET
N3
14
PWR_WAKE