Sony Walkman D-E888 Service Manual page 13

Q Q
3 7 6 3 1 5 1 5 0
IC401 TB2119F
60 59 58 57 56 55
VREF
VLGO1 61
R-2
LIL 62
63
PGND1
SUB VREF
L1H 64
SAWTOOTH
VIN 65
VIN
L2H 66
SAWTOOTH
PGND2 67
L2L 68
R-4
VLGO2 69
VREF
70
PGND3
SAWTOOTH
STANDBY
REFERENCE
L3 71
R-3
VLG3 72
VCPU
CNP3 73
T E
L 1 3 9 4 2 2 9 6 5 1 3
VREF
1/2 VREF
INM3 74
RF3 75
BANDGAP
REFERENCE
DTC3 76
(VREF)
RF21 77
R-4
R-5
78
PAPC VCPU
APCREF 79
VIHDET 80
VREF
1 2 3 4 5 6 7
w w w
.
54 53 52 51 50 49 48 47 46 45 44 43 42 41
VREF
CONTROL
R-1
CHARGE
CHGON/OFF
VCC1 VCPU DCIN
VREF R-6 OEB
LEVEL
VREF
SHIFTER
CONTROLLER
D-1 to 4
VREF
VCPU
S-2 SAWTOOTH
SAW GEN
S-3
CLK
OR OSC
BIAS D-5
LEVEL
SHIFTER
S-1
CLK
MUTE
CONTROLLER
INTERFACE
VG
8 9 10 11 12 13 14 15 16 17 18 19 20
x a o
y
i
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8
IC601 CXD3028R
F01
40
H BRIDGE
39 NGND1
DRIVER 1
38 R01
37 VD12
36 F02
H BRIDGE
35 MGND2
RFAC
DRIVER 2
BIAS
ASYI
34 R02
ASYO
33 VD23
FILO
FILI
PCO
32 F03
CLTV
XPCK
H BRIDGE
31 MGND3
DRIVER 3
PWMI
A9
1
A9
LOCK
A8
30 R03
A8 2
A7 MDP
A7 3
DVSS
DVSS 4
29 VD34 SDTI
A6
A6 5
SCSY
A5
A5 6
SCOR
28 F04 A4
Q Q
A4 7
3 7 6 3 SBSO
XWRE
H BRIDGE
XWRE 8
27 MGND4
EXCK
DRIVER 4 XRDE
XRDE 9
SDTO
XEMP
26 R04
XEMP 10
XLAT
XWIH
XWIH 11
CLOK
XQOK
XQOK 12
SENS
AMUTE
25 HPOUT1
AMUTE 13
XSOE
SDTI
SDTI 14
24 HGND R4M
PWM
15
XQCK
H/P SCSY
23 HPOUT3
SCSY 16
DRIVER
SCOR
SCOR 17
VSS0
22 VHP
VSS0 18
SBSO
SBSO 19
EXCK
20
EXCK
21 HPOUT2
XRST 21
SYSM
SYSM 22
SDTO
SDTO 23
XLAT
XLAT 24
CLOK
CLOK 25
SENS
SENS 26
SCLK
SCLK 27
XSOE
XSOE 28
ATSK
29
ATSK
R4M
R4M 30
IGEN
RFDC
VC
u 1 6 3
.
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9 9 8
120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91
ERROR
CLOCK
CORRECTOR
GENERATOR
EFM D/A
DEMODULATOR INTERFACE
ASYMMETRY
CORRECTOR
32K
RAM
SUB CODE
PROCESSOR
DIGITAL
PLL
VIBRATION
MEMORY
CONTROLLER
DIGITAL
+
CLV
COMPRESSION
EXPANDER
1 5 1 5 0 8 9 2 4
SERVO
CPU
AUTO
INTERFACE
SEQUENCER
DAC
SIGNAL
PROCESSOR
BLOCK
MEMORY CONTROLLER,
D GND
BUS BOOST BLOCK
LPF
LPF
SERVO BLOCK
SERVO
INTERFACE
MIRR
DFCT
FOK
PWM GENERATOR
E
SERVO DSP
FOCUS PWM
OP AMP A/D
F
FOCUS SERVO GENERATOR
ANALOG SWITCH CONVERTER
B
TRACKING TRACKING PWM
A
SERVO GENERATOR
SLED SERVO
SLED PWM
GENERATOR
m
c o
31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
– 14 –
2
9 9
BCK
PCMD
SELECTOR
LRCK
DOUT
DIGITAL
OUT
XOE
XCAS
XWE
XRAS
XQOK
BCK
90 BCK
XWIH
PCMDI
89 PCMDI
XEMP
PCMD
88
PCMD
XRDE
LRCKI
87 LRCKI
XWRE
LRCK
86 LRCK
D0 – D4
DOUT
85 DOUT
A0 – A11
84 VDD2
9 8 2 9 9
WFCK
83 WFCK
C2PO
82 C2PO
SYSM
GFS
81 GFS
AMUTE
XPCK
80 XPCK
HPL
XUGF
79 XUGF
HPM
WDCK
78 WDCK
HPR
VSS2
77 VSS2
PCMDI
XTSL
76 XTSL
LRCKI
75 AVDD3
BCKI
ASYO
74 ASYO
ASYI
73 ASYI
BIAS
72 BIAS
RFAC
AOUT1
71 RFAC
AIN1
70 AVSS3
CLTV
LOUT1
69 CLTV
PCO
68 PCO
LOUT2
FILI
67 FILI
AIN2
FILO
66 FILO
AOUT2
VCTL
65 VCTL
VPCO
64 VPCO
ATSK
VC
63 VC
SCLK A
62 A
SSTP
B
61 B
COUT
FOK
DFCT
MIRR
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR