Sony CMT-EH45DAB / HCD-EH45DAB Service Manual ▷ View online
HCD-EH45DAB
HCD-EH45DAB
13
13
• Circuit Board Location
MAIN board
PANEL board
CD board
PT-AC board
MODULE
(DAB tuner)
(DAB tuner)
• 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
3.3 Vp-p
RB
Q507 (Base)
2 V/DIV, 5
μs/DIV
14.6
μs
4.4 Vp-p
RT
Q507 (Collector)
5 V/DIV, 5
μs/DIV
14.6
μs
10 Vp-p
XT
IC701 PT (X1)
1 V/DIV, 50 ns/DIV
181 ns
2.7 Vp-p
XB
IC701 RG (X3)
1 V/DIV, 10
μs/DIV
30.5
μs
2.8 Vp-p
– MAIN Board –
– PANEL Board –
HCD-EH45DAB
HCD-EH45DAB
14
14
7-1. PRINTED WIRING BOARD - CD Board -
•
: Uses unleaded solder.
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)
• See page 13 for Circuit Boards Location.
HCD-EH45DAB
HCD-EH45DAB
15
15
7-2. SCHEMATIC DIAGRAM - CD Board -
• See page 13 for Waveforms. • See page 24 for IC Block Diagrams. • See page 21 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
R10
1
C401
R415
R102
R12
8
R129
R143
R142
R139
R114
R140
R15
1
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
C12
4
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
BA5826SFP-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-EH45DAB
HCD-EH45DAB
16
16
7-3. PRINTED WIRING BOARD - PANEL Board -
JW716
JW747
JW739
JW740
JW767
JW763
JW765
JW770
JW761
JW724
JW735
JW703
JW714
JW732
JW727
JW775
JW752
JW790
JW725
JW780
JW730
JW728
JW720
JW741
JW731
JW717
JW715
JW760
JW701
JW723
JW779
JW708
JW707
JW742
JW706
JW722
JW736
JW719
JW782
JW781
JW783
JW711
JW700
JW721
JW710
JW773
JW729
JW704
JW737
JW744
JW738
JW771
JW772
JW774
JW776
CNA750
JW733
JW762
JW718
JW750
JW713
JW712
JW726
JW709
C725
X702
CNP701
D801
CNP705
IC703
SW705
C704
LED702
SW704
SW706
SW702
SW701
SW707
SW708
SW710
SW703
SW711
D804
CNP702
R705
JR775
JR714
JR709
JR710
JR750
JR751
JR752
JR754
JR755
JR756
JR760
JR762
JR743
JR744
JR747
JR7
48
JR749
JR788
JR789
JR704
JR705
JR706
JR707
JR708
JR722
JR723
JR724
JR703
JR713
JR763
R767
C721
C702
R721
Q704
C732
R755
C730
C706
C733
C726
R733
R754
R725
R739
R738
R706
D702
R728
Q701
R703
R707
R749
R765
R770
R750
C724
C710
R710
R772
R784
D701
Q703
Q705
Q702
R701
Q706
C731
R723
L702
R708
R732
IC701
R787
R713
R768
C716
R745
R764
R775
R763
R731
R760
R785
R761
C701
R718
R719
L701
C711
R779
R724
R71
1
R726
C707
R774
R788
R793
R748
R747
R734
R727
R736
C723
C729
R704
C722
C719
R709
R757
C727
R743
R753
R759
C712
R746
R762
C728
R792
R777
R740
R702
R730
R714
R766
R742
Q707
R744
Q713
Q714
R798
R799
R771
LED701
X701
LCD702
E
E
E
E
E
E
E
E
E
PANEL BOARD
1-876-662-
13
(13)
1
2
SW750
CD LID
CD LID
OPEN/CLOSE
DETECT
1
3
(LCD BACK LIGHT)
A
CD BOARD
CN201
SW701 – 708
SW710, 711
VOLUME
SW700
ROTARY ENCODER
B
C
A
C
MAIN
BOARD
CN103
D
MAIN
BOARD
CN105
CD V
TUNER/
BAND
FUNCTION
.-
STANDBY
.-
–
+
TUNING
DAB AUTO SCAN
DAB
LIQUID CRYSTAL DISPLAY
1
36
80
81
100
1
51
50
31
30
K
K
A
Y
DSGX
21
1
20
2
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
(Page 14)
(Page 20)
(Page 20)
Ref. No. Location
• Semiconductor
Location
D701
B-7
D702
B-7
D801
G-3
D804
F-3
IC701
C-4
IC703
B-2
LED701 B-2
LED702 D-8
LED702 D-8
Q701
B-7
Q702
B-8
Q703
C-8
Q704
B-7
Q705
C-8
Q706
C-8
Q707
B-2
Q713
C-6
Q714
C-6
•
: Uses unleaded solder.
• See page 13 for Circuit Boards Location.
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