Sony MZNH600D - Hi-MD Walkman Recorder, Service Manual

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24 24
MZ-NH600D
•
IC Block Diagrams
IC352 TA2131FLG (EL)
V REF
MT
SW BST
SW
BEEP
19
20
21
22
23
24
18 17 16 15 14 13
PW
SW
12
11
10
8
7
BST1
9
BST2
6 5 4 3 2 1
BST
AGC
PW
B
PW
A
ADD
MT TC
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2 OUTA
PWR
GND
OUTB
DET
AGC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN GND BEEP IN BST SW MT SW PW SW
85 NC A12
86 HOLD OUT
87 RST OUT
88 PVBUS
1
NC_A1
2
DW 1B
3
DW 1T
4
VRECO 2
5
VRECO 1
L1 1
6
L1 2
7
INP1
8
UP 1T
9
UP 1B
10
GND
11
PGND1
13
VC
14
VC
15
PGND3
16
PGND1
17
UP 3B
18
VREF IN
12
57
NC M12
58
SCK
59
DATA
60
CLK
61
VIF
29 NC M1
30 RF3
31 DTC3
32 INM3
33 INM2
34 DTC2
35 RF2
36 VPDRV
37 POWP1
38 CLP
39 INP2
40 INP3
41 POWP2
42 CLM
43 VBUSSEL
44 PGND5
45 L5 1
46 POWFB
47 PGND5
48 PGND5
19
PGND3
20
PGND3
21
V3C 1
22
V3C 2
23
33USEL
24
L3 1
25
L3 2
26
DW 3T
27
DW 3B
28
V3FB
49 L5 2
50 VBUSREF
51 VBUS DET
52 V33UO
53 WAKEC
54 VBUS
55 XWKO
56 LATCH
62
EFM
63
EFM CLK
64
VBUSSEL2
65
PGND4
66
VG3
67
RECP
68
GND
69
HBB
70
HAB
71
CH
72
GND
73
VG2
74
VCP
75
CL
76
PGND4
77
HB
78
HA
79
PGND2
80
VRECIN
81
VRECIN
82
OUTB
83
VG
84
OUTA
89 CRST
90 DVDD IN
91 DVDD OUT
92 HOLDC
93 OSC OUT
94 SLEEP IN
95 RST IN
96 PGND2
97 REG IN
98 REG OUT
99 SUS IN
100 PGND2
101 TSBV IN
102 TSBV OUT
103 V33R
104 PGND1
105 VSTB IN
106 VSTB OUT
107 BATSEL
108 V33RO
109 RF1
110 INM1
111 DTC1
112 VREC
HOLD
LOGIC
BUFFER
CHARGE PUMP
PVBUS
VG
VREC
POWER SWITCH
DRIVER
CIRCUIT
2.0V
RESET
RESET
LOGIC
VREC STEP UP-DOWN
CONVERTER DRIVER
PWM
V3 STEP UP-DOWN
CONVERTER DRIVER
PWM
VC
V3FB
VREF
BUFFER
DAC
VPDRV
VBUS
VBUS
VG3 VIF
H-BRIDGE
DRIVER
CONTROL
SYSTEM
BUS POWER
STEP DOWN CONVERTER
DRIVER
SELFPOWER
STEP UP-DOWN CONVERTER
DRIVER
BANDGAP
REFERENCE
DAC
WAKE LVDT
LVDT
CONTROL
EFM TOP
PRE DRIVER
EFM BOTTOM
PRE DRIVER
IC601 SC901585VAR2
RF
PEAK/
BOTTOM
SERIAL
INTERFACE
ABCD
1 2 3 4 5 6 10 11 12 13 14
38 37 36 35 34 33 32 31 30 29
16
15
17
18
19
20
22
21
23
24
25
8 9 7
LX PS EQ
AGND
OFC-C1 OFC-C2
RF_LX RF_LY
RF_JY RF_JX
D-C
RFO
VREF09 VREF10
28
27
26
PDO-SINK
A-C
PDO-SOURCE
PD-I
PD-NI
PD-BUF
WPP-LPF
SMON
ADFG
CDN
CCSL2
CN
CPGND
CLK
42 41 40 39
VC CIG DGND XRESET VGIN SBUS SCK CPOUT CP DVCC TE FE ABCD ADIP-IN
43
47
48
51
52
49
50
53
54
55
56
FE
TE
POWER
SUPPLY
T-ON
APC
TPP/WPP
OFTRK
ADIP
45
46
VCC
VCC2
VCC
44
NPPO
BOTM
PEAK
B
C
D
A
AVCC
JX
JY
LY
OFTRK
TON-C
AVCC2 VCC2
TEMP
VREF09
A-C
D-C
MALFA
MIJ
AWBPF
DW
DWBPF
OFTTH
APC
ADIP-BPF
VFREF0.4
I-J A+B+C+D
I+J
NPP
TON
CSL
AW+DW
TON PEAK
TON BOTM
ADIP
TE
TWPP
PK/BTM
AW
CSLO
S-MONITOR
IC501 SN761059ZQLR
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT 5
ECO 4
IC602 R1160N121B-TR-FA