Sony CMT-EH15 / HCD-EH15 Service Manual ▷ View online
HCD-EH15
HCD-EH15
13
13
• Circuit Board Location
MAIN board
PANEL board
CD board
PT-AC board
VOLTAGE-SEL board
(Chilean, Peruvian, Brazilian
and Singapore models)
(Chilean, Peruvian, Brazilian
and Singapore models)
• Waveforms
– CD Board –
– CD Board –
IC101 JB (RFi)
(CD play mode)
(CD play mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
IC101 XG (XO)
(CD play mode)
(CD play mode)
1 V/DIV, 20 ns/DIV
59.1 ns
14.6 Ms
3.3 Vp-p
RE
Q507 (Collector)
(Tape REC mode)
5 V/DIV, 10 Ms/DIV
9.8 Vp-p
RB
IC801 X (XOUT)
1 V/DIV, 10
μs/DIV
13.4
μs
1.2 Vp-p
RT
IC861 RG (XOUT)
2 V/DIV, 100 ns/DIV
230 ns
5 Vp-p
XB
IC701 RG (X3)
2 V/DIV, 20
μs/DIV
30.8
μs
3 Vp-p
XT
IC701 PT (X1)
2 V/DIV, 100 ns/DIV
182 ns
3.4 Vp-p
– MAIN Board –
– PANEL Board –
SECTION 7
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF) 50
• All capacitors are in μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and 1/4 W or less unless otherwise
specifi ed.
• f :
internal
component.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Section –
no mark : FM
[ ] : AM
( ) : CD PLAY
< > : TAPE PLAY
{ } : REC
• Voltages are taken with VOM (Input impedance 10 M
no mark : CD PLAY
– Other Section –
no mark : FM
[ ] : AM
( ) : CD PLAY
< > : TAPE PLAY
{ } : REC
• Voltages are taken with 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
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
FM
f :
AM
J
: CD PLAY
E :
TAPE
PLAY
:
REC
h :
AUDIO
IN
• Abbreviation
AR :
AR :
Argentina
model
AUS :
Australian
model
BR
: Brazilian model
CND :
Canadian
model
E51
: Chilean and Peruvian model
KR
: Korean model
MX
: Mexican model
RU :
Russian
model
SP
: Singapore model
TH :
Thai
model
TW :
Taiwan
model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• W : indicates side identifi ed with part number.
• f :
• X : Parts extracted from the component side.
• Y : parts extracted from the conductor side.
• W : indicates side identifi ed with part number.
• f :
internal
component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C E
Q
Note:
The components identi-
fi
The components identi-
fi
ed by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specifi ed.
cal for safety.
Replace only with part
number specifi ed.
Note:
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Les composants identifi és
par une marque 0 sont
critiques pour la sécurité.
Ne les remplacer que par
une piéce portant le nu-
méro spécifi é.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Ver. 1.1
HCD-EH15
HCD-EH15
14
14
7-1. PRINTED WIRING BOARD - CD Board -
•
: Uses unleaded solder.
• See page 13 for Circuit Boards Location.
R150
R149
R148
R108
R154
R153
C148
C1
10
C10
9
C301
C303
C302
C104
R1
10
C1
16
C404
R203
R204
R205
R206
R207
R208
R209
R210
R219
R223
R222
R147
R221
R218
R146
R145
C150
R113
C403
R202
C151
C108
C105
C147
C146
C145
C152
C1
18
C1
17
C144
C101
C125
CN201
C143
C120
R144
R157
C142
C141
C140
C100
C107
R408
R156
C124
C127
C126
CN301
R101
C1
19
C102
R415
R414
C103
R405
C113
R102
R402
R105
R106
C132
C138
C137
R135
R134
R136
R130
R128
R129
R143
R139
C136
R120
R114
C153
C112
R125
R126
C149
C139
R127
R1
18
R140
R151
C122
C123
R220
R104
S201
R155
C128
C106
C201
R304
R302
C309
C205
C207
C307
R303
C133
R111
R112
C115
R21
1
Q301
R301
C204
C202
C206
C306
R212
C401
C130
C405
IC201
IC401
IC101
R201
R142
CD BOARD
(COMPONENT SIDE)
CD BOARD
(CONDUCTOR SIDE)
3
1
4
5
1
7
8
14
28
22
21
15
TP124
(VC)
TP122
(RFEQO)
1
25
26
50
51
75
76
100
1
21
A
PANEL
BOARD
CNP701
16
1
1-872-135-
11
(11)
1-872-135-
11
(11)
OPTICAL PICK-UP BLOCK
(KSM-213CDP)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
E
(LIMIT)
M401
(SPINDLE)
M402
(SLED)
M
M
X102
(Page 16)
HCD-EH15
HCD-EH15
15
15
7-2. SCHEMATIC DIAGRAM - CD Board -
• See page 13 for Waveforms. • See Page 21 for IC Block Diagrams. • See Page 24 for IC Pin Function Description.
R108
R154
R153
C201
R304
R201
R110
R303
R203
R204
R205
R206
R207
R208
R209
R210
R219
R223
R222
R221
R218
R112
R202
R211
Q301
R301
C202
R157
TP122 (RFEQO)
TP124 (VC)
R156
CN301
R101
C401
R415
R102
R128
R129
R143
R142
R139
R114
R140
R151
R220
R150
R212
IC101
R105
R106
R125
R126
R127
IC201
X102
C301
C307
C309
C100
C138
C153
C151
C204
C130
C128
C1
13
C127
C126
C103
C102
C120
C118
C117
C101
C124
C125
R145
R146
R147
R148
R149
C149
C105
C143
C146
C145
C148
C104
C405
C404
C403
C205
C116
C133
CN201
C110
R113
R111
C115
R155
C109
C132
R104
C123
C122
C139
C150
R136 R135
R134
C112
C108
R120
R118
C136
C107
R130
R144
C144
C147
C140
C137
C141
C142
C106
R302
C306
C303
C302
R405
R402
R408
R414
C207
C152
C206
IC401
0
1M
1M
100
10V
2.2
0
10k
2.2
100
100
100
100
100
100
100
100
100k
100k
100k
100k
100k
100
0
100
2SA2119K
100k
100
10V
10V
100
100
16P
220
220
10V
47k
10k
470k
1k
47k
22k
47k
10k
0
0
100k
0
TK63115SCL-G@GT
0.1
1
0.001
0.1
470p
0.1
470p
0.1
0.1
0.0022
0.1
0.1
0.1
0.01
0.01
0.022
C119
0.022
0.022
0.1
0.0047
0.0047
0
0
0
0
0
22p
0.1
0.01
470p
0.01
47p
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
10k
100
22
6.3V
47
0.1
0.1
0
470p
470p
0.01
0.001
22k
470k
1M
0.1
0.1
47p
0.1
4.7k
22k
0.1
0.1
0.01
0.01
0.0022
0.1
100
10V
0
100
10V
10V
10
10
10k
2.2k
2.2k
4.7k
1
470p
1
BA5826HFP-E2
SP-
SP+
SL+
SL-
100
1M
1k
0
0
0
16.9344MHz
TC94A70FG-006
5p
5p
21P
0
100k
IC101
CD-MP3 PROCESSOR
IC401
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC201
+1.5V REGULATOR
SP-
SP+
SL+
SL-
M401
(SPINDLE)
M402
(SLED)
AUTOMATIC POWER
CONTROL
S201
(LIMIT)
IC B/D
A
PANEL
BOARD
CNP701
2
1
IC B/D
OPTICAL
PICK-UP
BLOCK
(KSM-213CDP)
M
M
(Page 17)
HCD-EH15
HCD-EH15
16
16
7-3. PRINTED WIRING BOARD - PANEL Board -
•
: Uses unleaded solder.
• See page 13 for Circuit Boards Location.
R737
JR775
JR714
JR709
JR710
JR750
JR751
JR752
JR755
JR756
JR760
JR762
JR763
R723
IC701
JR743
JR744
JR747
JR748
JR749
JR788
JR789
JR704
JR705
JR706
JR707
JR708
JR722
JR723
JR713
R782
R783
JR719
JR757
C706
R744
Q707
R791
R742
R766
R790
R714
R730
R702
R789
R740
R792
R762
R746
C712
R759
R753
R743
C731
C716
R757
R705
R709
C719
C722
R704
C729
C723
R736
R727
R734
R747
R748
R793
R781
R751
R741
R788
R774
C707
R722
R71
1
R720
R779
C711
L701
R719
R718
C701
R761
R785
R760
R767
R763
C721
R775
R764
R745
R768
R713
R787
R732
R708
L702
C702
C733
Q706
Q713
Q714
R701
R721
C727
C728
Q702
Q705
Q703
D701
R784
R772
Q704
R710
C710
R777
C724
R750
R770
R765
R749
R755
R707
R703
Q701
R728
D702
R706
R738
R739
C732
R754
R733
C726
JW716
JW747
JW739
JW740
JW767
JW763
JW765
JW770
JW761
JW724
JW735
JW703
JW714
JW732
JW727
JW775
JW752
JW790
JW733
JW762
JW718
JW725
JW780
JW730
JW728
JW720
JW741
JW731
JW717
JW715
JW723
JW707
JW742
JW722
JW736
JW719
JW750
JW713
JW782
JW781
JW783
JW711
21
1
20
2
JW700
JW721
JW710
JW729
JW704
JW737
JW772
JW776
CNA750
JW749
JW755
JW708
JW773
JW712
JW726
JW756
JW748
JW746
JW745
CNP703
D804
SW711
SW703
SW710
SW708
SW707
SW701
SW702
SW706
SW704
LCD702
X702
X701
LED702
C704
SW705
CNP706
IC703
D801
CNP701
C725
LED701
R771
R799
R798
E
E
E
E
E
E
E
E
K
K
K
A
A
1
36
E
1
2
1
3
PANEL BOARD
(LCD BACK LIGHT)
SW750
CD LID
CD LID
OPEN/CLOSE
DETECT
VOLUME
SW700
ROTARY ENCODER
B
C
A
(AEP, UK)
B
MAIN
BOARD
CN106
C
MAIN
BOARD
CN105
CND, AEP, RU,
UK, E51, MX,
BR, AR, AUS
(EXCEPT AEP, UK)
1-876-656-
13, 14, 15, 16
(13, 14, 15, 16)
SW701 – 708
SW710, 711
A
CD BOARD
CN201
x
DSGX
–
+
M L
TUNING +
M L
TUNING –
STANDBY
CD
u
TUNER/
BAND
FUNCTION
LIQUID CRYSTAL DISPLAY
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
(Page 14)
(Page 20)
(Page 20)
Ref. No. Location
• Semiconductor
Location
D701
B-7
D702
B-7
D801
G-2
D804
F-2
IC701
C-4
IC703
C-2
LED701 B-2
LED702 D-8
Q701
B-7
Q702
C-8
Q703
C-7
Q704
C-7
Q705
C-7
Q706
C-7
Q707
B-2
Q713
C-6
Q714
C-6
Ver. 1.2
Click on the first or last page to see other CMT-EH15 / HCD-EH15 service manuals if exist.