DOWNLOAD Sony HCD-ED2 Service Manual ↓ Size: 4.01 MB | Pages: 47 in PDF or view online for FREE

Model
HCD-ED2
Pages
47
Size
4.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-ed2.pdf
Date
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HCD-ED2
13
13
IC101 
#ª
 FE
1
2
3
4
5
WAVEFORMS
– BD (CD) SECTION –
IC101 
^¶
 XTAO
IC101 
%¡
 RF AC
IC101 
$¡
 TE
IC101 
@§
 MDP
• Indication of transistor
–  DISPLAY SECTION –
IC201 
2
 X OUT
1
3.1Vp-p
16.9MHz
1.2Vp-p
(PLAY)
2.5V
APPROX 500mVp-p (PLAY)
2.5V
APPROX 200m Vp-p (PLAY)
7.5
µ
sec
2.4Vp-p
12.5MHz
3.4Vp-p
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in µF unless otherwise noted.  pF: µµF
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
specified.
•
¢
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
g
: VIDEO
E
: PB (DECK A)
G
: REC
J
: CD
c
: CD (digital out)
• Abbreviation
CND : Canadian model.
SP
: Singapore model.
MY
: Malaysia model.
HK
: Hong Kong model.
KR
: korea model.
AUS
: Australian model.
Note:
The components identi-
fied by mark 
!
 or dotted
line with mark 
!
 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 
!
 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
C
These are omitted
E
B
Q
C
These are omitted
E
B
SECTION  6
DIAGRAMS
6-1. CIRCUIT BOARDS LOCATION
BD board 
RELAY board 
POWER IC board 
TAPE PREAMP board 
CD SW board 
TOUCH 
SENSOR board 
FUNCTION board 
DISPLAY board 
LED board 
POWER AMP board 
RDS board 
AC IN board 
HCD-ED2
14
14
6-2. SCHEMATIC DIAGRAM – BD SECTION –
• See page 13 for Waveforms.
• See page 15 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
331A (RP)
HCD-ED2
15
15
6-3. PRINTED WIRING BOARD – BD SECTION –
• See page 13 for Circuit Boards Location.
(SIDE A)
CNU105
C127
C153
C154
C159
R159
R158
C143
C115
C118 
C119
C104
C130
R113
C133
C114
C113
R147
R138
R135
C103
C112
C102
C101
C141
C121
R111
C131
C163
C161
FB101
C162
C128
FB103
X101
C122
C140
E
Q101
C156
CNU103
CNU104
2
1
3
1
3
1
R116
FB102
C129
C167
C168
R105
R117
C125
FB104
R136
R114
R137
C117
C116
R139
R148
R149
C126
C151
R161
C157
R162
09
1
2
3
4
C
B
A
BD BOARD
M
M
S102
SLED
MOTOR
S101
SPINDLE
MOTOR
S101
LIMITSW
C135
C136
(SIDE B)
28
IC102
TP
(VC)
RN102
CNU102
RN101  
R181
R182
R172
C111
C165
R104
R109
C109
C123
C124
C110
R107
R103
R102
R101
CNU101
18
1
R106
C108
R108
R171
C171
R173
R119
IC101
R144
R143
22
21
15
1
7
8
14
1
1
20
20
21
80
40
61
41
60
24
13
1
12
IC103
C182
C172
C181
R183
R131
R110
R123
R124
BD BOARD
09
1
2
4
3
C
B
A
TP
(RF)
TP
(FE)
TP
(FEI)
TP
(AGCCON)
TP
(TE)
OPTICAL PICK-UP
BLOCK
(KSS-331A)
RELAY
BOARD
CN102
A
(Page 23)
C134
HCD-ED2
16
16
6-4. SCHEMATIC DIAGRAM – FUNCTION SECTION –
• See page 13 for Waveforms.
• See page 17 for Printed Wiring Board.
• See page 28 for IC Block Diagrams.
• See page 30 for IC Pin Functions.
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