Sony CD Walkman D-EJ100, Service Manual

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14 14
D-EJ100/EJ101/EJ101CK/EJ106CK
2.0 Vp-p
5.7 µ sec
For Schematic Diagrams.
Note:
• All capacitors are in
µ F unless otherwise noted. pF: µµ F 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in Ω and 1 /
4
W or less unless otherwise specifed.
•
f
: internal component.
• A : B+ Line.
• Power voltage is dc 4.5 V and fed with regulated dc power supply
from battery terminal.
• Voltages are dc with respect to ground under no-signal conditions.
no mark : PLAY
• Voltages are taken with a VOM (Input impedance 10 M Ω ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler
ances.
• Circled numbers refer to waveforms.
• Signal path.
E
: CD PLAY
•
Abbreviation
CND: Canadian model
EE : East Europian model
AUS: Australian model
E18 : AC 100 - 240 V area in E model
• IC BLOCK DIAGRAM For Printed Wiring Boards:
Note:
• X : parts extracted from the component side.
•
a
: Through hole.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side :Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side : Parts on the parts face side seen from the
(Side A)
parts face are indicated.
IC301 TA2120FN (EL)
+ –
+ –
+ –
23
20 19 18 17 16 15
14
13
2 3 4 5
6 7 8
9
10 11 12
1
24
BIAS
BEEP
PW
SW MT
SW
ALC
DET
ATT
SW
PWC
SW
OUT B
OUT A
BEEP
BST
PW
B
PW
C
BST
NF
ADD
OUT RF IN OCL
SW
ROUT VREF LOUT PGND MIX
OUT
ALC
IN
ALC
DET
ATT
SW LIN RIN GND MUTE MUTE_
PWR
SW BIAS
BIAS_
IN
BB
SW
BST
OUT
VCC
ADD
A
ADD
B
21 22
PW
A
ALC ALC
IC601 BU9354CKV
1
100
AVDD1 (2.0V)
2 LD
3 PD
4 VMON
5 VCHK
6 E
7 F
8 B
9 A
10 AVSS1
11 BIAS
12 N.C.
13 RFI
14 PKC
15
BTC
16 RFGO
17
DETI
18
ASYI
19
ASYO
20 MON1
22 ADPFO
23 ADPFI
24 FCO
25
PCO
75 FDOP
74 FDON
73 CLVOP
72 CLVON
71 CLKDRV
70 GFS
69 EXPLCK
68 TEST_S
67 EFM/YFLG
66 C2FX
65 FOK_O
64
63
62
61
60
59
58
DOCKO
DOUTAO
LRCKO
DOUTAI
LRCKI
57 TDO
TEST
DEFECT_O
56 TDI
55 TMS
54 TCK
53 CLK4M
52 XBUSY_O
51 DVDD (1.5V)
A3
99
A2
98
A1
97
A0
96
A4
95
A5
94
A6
93
A7
92
A8
91
A9
90
XRAS
88
D1
87
D0
86
DVDDIO2 (2.4V)
85
D3
84
D2
83
XCAS
82
A10/CAS2B
81
DVSSIO2
80
DVDDIO (2.0V)
79
SDOP
78
SDON
77
TDOP
76
TDON
28
RLINI
29
RDACO
26
AVSS2
27
RLINO
30
VCDACO
31
LDACO
32
LLINI
33
LLINO
34
AVDD2 (2.25V)
35
MUTE
36
DVDDIO (2.0V)
37
XIN
38
XOUT
39
DVSSIO
40
DVDD (1.5V)
41
DOCKI
42
DVSS1
43
SCOR
44
XRST
45
POFF
46
DVSSIO
47
SCLK
48
SRW
49
SDIN
50
SDOUT
ESP
SERVO CORE
APC
PWM
FLAG
21 MON2
89
XWE
A/D
D/A
PLL
1bit DAC
WINDOW ECC
CLOCK
GEN
SUB SIO
RF
AMP
• WAVEFORMS
IC403
qd
DSW
2.0 Vp-p
5.7 µ sec
0.4 to 0.8Vp-p
1.8 Vp-p
16.934 MHz
2
IC403
ef
SYNC
VOL/DIV : 1 V AC
TIME/DIV : 2
µ
sec
3 IC601
qd
RFI
VOL/DIV : 0.5 V AC
TIME/DIV : 0.5
µ
sec
4
IC601
ek
XOUT
VOL/DIV : 1 V AC
TIME/DIV : 50 nsec
1
VOL/DIV : 1 V AC
TIME/DIV : 2
µ sec
5
IC601
td
CLK4M
6 IC801
2
XIN
VOL/DIV : 1 V AC
TIME/DIV : 0.2
µ
sec
VOL/DIV : 1 V AC
TIME/DIV : 0.2
µ
sec
2.1 Vp-p
0.237 µ sec
1.7 Vp-p
0.237
µ
sec
• Abbreviation
CND: Canadian model
EE : East Europian model
AUS: Australian model
E18 : AC 100 - 240 V area in E model
Note:
The components identi-
fied by mark
0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.