Read Sony NW-MS6 Service Manual online
29
NW-MS6
IC9001
XC6368A281MR
+
–
–
1
2
3
+
–
–
VREF WITH
SOFT START,
CE
RAMP WAVE
GENERATOR,
OSC
PWM/PFM
CONTROLLER
PHASE
COMPENSATION
BUFFER,
DRIVER
5
4
VOUT
VDD
CE
GND
EXT
ERROR
AMP
PWM
COMPARATOR
IC9004
XC6365A183MR
PWM/PFM
CONTROLER
PHASE
COMPENSATION
VREF WITH
SOFT START,
CE
RAMP WAVE
GENERATOR,
OSC
+
–
+
–
–
1
2
5
4
3
EXT/
VDD
GND
FB
CE
BUFFER,
DRIVER
PWM
COMPARATOR
ERROR AMP
IC9005
MPC18A41FCR2
42
43
44
PWM
POWER
SWITCH1
STEP-UP
PRE DRIVER
STEP-UP
DC/DC
CONVERTER
+
–
–
+
–
+
–
+
–
41
40
39
38
37
36
35
34
33
32
VC
VG
VC
VC
VC
VC
VLG
XRST
(INT)
(INT)
45
46
47
48
49
50
51
BANDGAP
REFERENCE
SYSTEM
CONTROL
31
30 29
28
27
VG
VB
VC
PWM
START-UP
STEP-UP
PRE DRIVER
VG
VG
VB
VC
26
24
23
25
22
21
20
19
13 14
12
11
10
9
8
7
6
1
2 3 4 5
52
53
54
55
56
VB
VC
VG
VG
VB VC
18
17
16
15
FFCLR
POWER
SWITCH2
VSTB
VC
VB
PGND2
PGND2
L2
VLGG
VLGG1
VLGG
GND
VRMC
VSTB
VLGON
XWK1
XWK2
XWK3
XWK4
L1
RF1
INM1
DTC2
RF2
DTC1
INM2
PWM1
EXTSW
VG
LG
PGND2
L2
NC
VIF
VA
VAFB
VDFB
VIFFB
GND
VC
VCO
VC
VCOUT
L1
NC
PGND1
PGND1
NC
VD
VC2
XRST
CRST
RSTREF
VREF
VB
GND
CLKSEL
VAIFON
FFCLR
SLEEP
CLK
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