Sony CMT-EP414 / HCD-EP414 Service Manual ▷ View online
21
21
HCD-EP414
6-5. Printed Wiring Borads – Main Section –
• See page 15 for Circuit Boards Location.
* CN304
AEP: 15P
* C347
ONLY FOR AEP MODEL
EXCEPT AEP: 11P
*
*
*
TUNER
PACK
TO
CONTROL
BOARD
CN802
(Page 23)
TO
CONTROL
BOARD
CN805
(Page 23)
L-CH
R-CH
ERASE
REC/PB
HEAD
(REC/PLAY/ERASE)
TO
POWER
BOARD
CN901
(Page 25)
PHONES
+
-
-
+
L
R
SPEAKER
IMPEDANCE
USE6-16
L
R
MD
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
R353
*
*
* R105, R205
ONLY FOR AEP MODEL
* C137, C234
ONLY FOR AEP MODEL
*
*
* C348
ONLY FOR AEP MODEL
IC302
IC303
IC305
Ref. No.
Location
D301
E-6
D302
C-5
D303
B-7
D304
C-6
D305
E-5
D306
F-5
D310
E-5
D311
B-5
D312
A-7
D313
B-7
D317
E-6
D319
G-5
D320
G-5
D321
G-4
IC302
D-4
IC303
F-3
IC305
G-1
Q305
E-5
Q306
E-5
Q307
D-6
Q308
D-6
Q309
D-6
Q310
B-5
Q311
E-6
Q312
E-5
Q313
E-6
Q314
E-5
Q315
E-6
Q317
B-7
Q319
B-6
Q320
B-6
Q321
B-6
Q322
B-6
Q323
B-5
Q325
B-5
Q326
D-5
Q327
D-5
Q328
C-5
Q329
C-5
Q330
C-5
Q331
C-5
Q332
C-5
Q333
E-6
Q338
E-6
Q339
C-6
• Semiconductor
Location
22
22
HCD-EP414
6-6. Schematic Diagrams – Main Section –
• See page 16 for Waveform. • See page 27 for IC Block Diagrams.
IC302
C103
C203
C108
C208
C110
C210
C114
R312
R313
C226
C126
C301
Q305
C303
C302
C304
C322
C
309
L101
L102
L202
L201
C115
C215
Q313
Q312
Q315
Q309
C315
C101
C201
R205
R103
R203
R202
R102
R111
R211
R113
R213
R220
R120
R219
R119
R109
R209
J303
R122
R222
R303
Q306
R226
R126
R301
R302
CN301 7P
R325
R324
R323
D
310
R321
Q308
R315
C319
C327
D311
CN302
15P
CN303
20P
Q310
R316
Q317
Q320
Q321
Q322
Q325
R318
R330
D303
R329
R304
R305
D302
R319
R320
C312
C313
Q328
Q329
Q330
Q327
Q326
R336
D317
Q323
R331
R328
Q319
R317
R348
D312
D313
Q311
Q314
C
228
C128
C129
R326
R350
R351
Q333
D301
Q338
D305
D306
R349
C106
C132
C232
Q307
R136
R137
R237
R236
R108
R208
R115
R215
R217
R117
R216
R116
R218
R118
R106
R207
R206
R107
C202
C102
R314
C316
R332
C335
Q339
R124
R224
R143
R243
R322
C112
C212
C218
C109
C209
R
306
R123
R223
R114
R214
C111
C211
R104
R204
R356
R357
R225
R125
C127
C227
R232
D319
D320
D321
R327
R311
C317
C349
R221
R121
R
228
R131
R
231
C314
R101
R201
R
355
R354
CN307
CNP305
CNP306
CN309 7P
T301
R112
R212
C207
C305
C113
C213
C214
C233
C133
C104
C204
C206
R105
C107
R309
C326
C324
C336
C345
C329
C331
C332
C330
C348
C320
R310
C318
R352
C344
C343
Q331
Q332
C347
C346
R139
C123
J302
R129
R
130
C121
C221
R230
R229
C311
C334
R238
R138
C118
C134
R132
C234
R128
C119
C310
C219
C323
C333
J301
IC305
CNP308
IC303
C217
C117
C216
C116
C220
C120
C350
R239
C229
C223
D304
C328
BD3881FV
100p
100p
3300p
3300p
180p
180p
0.47
50V
4.7k
47k
220p
220p
10p
KTC3203Y-AT
0.01
22
25V
0.01
0.01
1000
16V
4.7 50V
4.7 50V
KTC3203Y-AT
KTC3203Y-AT
KRC402-RTK
KRC402-RTK
47 25V
1000p
1000p
470
470
39k
39k
2.2k
2.2k
1k
1k
10k
10k
1.5k
1.5k
2.2k
2.2k
2P
68k
68k
4.7k
KTA1271Y-AT
22k
22k
10k
4.7k
100k
2.2k
1k
M
TZJ-T-77-5.6B
100k
KTA1271Y-AT
2.2k
0.01
47
25V
MTZJ-T-77-5.6B
KTC3205-Y-AT
470
R353
4.7
KTC3205-Y-AT
KRC402-RTK
KTA1271Y-AT
KRC402-RTK
KRC402-RTK
470
47k
M
TZJ-T-77-5.6B
1k
470
470
1SS133T-77
1M
4.7k
220p
100 16V
2SK2158-T2B
KRA303-RTK
KRA303-RTK
2SK2158-T2B
2SK2158-T2B
KTA1504
KTA1504
4.7k
1SS133T-77
KTA1271Y-AT
47k
1k
KTA1271Y-AT
47k
1k
1N4002B
1N4002B
KTA1271Y-AT
KTA1271Y-AT
22
50V
22
50V
22 50V
100k
10k
10k
KRC402-RTK
1SS133T-77
KRC402-RTK
M
TZJ-T-77-5.1B
MTZJ-T-77-5.1B
0
0.022
4.7
50V
4.7
50V
KTC3205Y-AT
10k
4.7k
4.7k
10k
8.2k
8.2k
3.3k
3.3k
1k
1k
8.2k
8.2k
4.7k
4.7k
5.6k
150k
5.6k
150k
1000p
1000p
5.6k
1k
0.01
KTC3203Y-AT
22k
22k
10k
10k
1k
3300p
3300p
0.033
470p
470p
10k
2.2k
2.2k
1.8k
1.8k
5600p
5600p
82
82
47k
47k
22k
22k
*
1k
1N4002B
1N4002B
1N4002B
10k
1k
1k
1k
0.012
100k
10k
BIAS OSC
2.2
50V
220
10V
0.22
50V
0.22
50V
0.47
50V
0.047
0.047
0.022
2.2
50V
4.7
2200p
220
16V
22
50V
100
16V
100
16V
0.01
100
16V
0.01
3.3
470
47
25V
47
25V
470
16V
180
1000 16V
2.2
2.2
0.1
0.1
2.2
2.2
10
50V
180
180
0.033
1k
1k
4.7
50V
47
25V
4.7
50V
4700
25V
470
16V
KIA7809PI
3P
LA4663N
1200p
1200p
470p
470p
0.1
0.1
180
22 50V
1000 16V
MTZJ-T-77
-5.6B
100 16V
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
CN304
15P: AEP
11P: EXCEPT AEP
11P: EXCEPT AEP
AEP
EXCEPT AEP
C104
47uF/10V
22uF/25V
C127
470pF
220pF
C134
0.0022uF
no mount
C204
47uF/10V
22uF/25V
C227
470pF
220pF
C234
0.0022uF
no mount
C316
0.0068uF
0.0022uF
C317
0.001uF
0.01uF
C318
0.01uF
0.0015uF
C330
220uF
470uF
C334
no mount
0.022uF
C347
0.1uF
no mount
C348
0.1uF
no mount
C349
22uF/25V
0
C350
0.047uF
no mount
R101
5.6k
8.2k
R105
390k
no mount
R112
33k
62
R121
1.5k
1k
R201
5.6k
8.2k
R205
390k
no mount
R212
33k
62
R221
1.5k
1k
R311
22k
10k
23
23
HCD-EP414
6-7. Printed Wiring Boards – Control Section –
• See page 15 for Circuit Boards Location.
IC801
IC803
IC802
DSG
BASS/TREBLE
RED
WHT
S800
(OPEN)
VOLUME
MD
TAPE
21
TO
CD
CD
BOARD
CN101
(Page 19)
RESET
TUNING
CD SYNC
TAPE MECHANISM
DECK
(CMAL1Z240A)
REC PAUSE/
START
PLAY MODE
8
TO
MAIN
BOARD
CN302
(Page 21)
(Page 21)
TO
MAIN
BOARD
CN303
STANDBY
DISPLAY
CD
TUNER
BAND
EXCEPT AEP,AUS
AEP,AUS
(FLUORESCENT INDICATOR TUBE)
37
31 30
25
20
15
10
5
1
2
A
B
C
D
E
3
4
5
6
7
8
D701-703
(BACK LIGHT)
1
3
Ref. No.
Location
D701
E-1
D702
D-1
D703
D-1
D801
D-5
D806
B-7
D807
D-3
D808
D-3
D809
C-6
D810
C-6
D811
E-3
D812
E-3
IC801
B-4
IC802
B-6
IC803
C-3
Q805
A-7
Q806
D-3
Q808
C-3
Q809
D-5
• Semiconductor
Location
24
24
HCD-EP414
6-8. Schematic Diagrams – Control Section –
• See page 16 for Waveform.
LCD801
D808
R869
C809
C807
C805
C803
C804
S801
S802
S803
S804
S805
S806
R851
IC803
R893
R892
R894
D801
R882
R837
R839
R840
R841
R842
R843
R844
R845
R846
R848
R801
R802
R803
R804
R808
R810
R811
R815
R817
R818
R819
R827
R829
RV801
R824
R823
R822
R821
R812
C825
C826
R860
R852
R853
R854
R855
R856
R857
R861
R862
R864
R865
R866
R867
R858
R859
C808
S807
S808
S809
S810
S811
S812
S813
S814
S815
S816
S817
R879
R895
R816
R878
C828
C829
Q806
Q808
D806
D807
R889
R809
C812
IC802
C813
C814
R871
R872
R874
R873
Q809
R833
R834
R807
R806
D809
D810
R700
R701
C801
C802
R887
IC801
D701
D702
D703
D811
D812
R890
R891
R825
R826
R831
R863
R813
R835
R702
R704
R711
R709
R706
L801
CNP806
CNP804
CNP807
R838
R836
CN802
CN803
CN801
Q805
EXCEPT AEP,AUS
AEP,AUS
S800
CN805
R708
R707
R710
R712
R832
R850
R805
X801
R820
R814
R705
R703
C816
C815
R828
R830
C810
C830
C824
C823
C831
C832
R881
C811
R875
R876
X802
1SS133T-77
47k
0.01
0.01
0.01
0.01
0.01
10k
PST592C-T
47k
47k
22k
1SS133T-77
100k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
1k
0.1 B
0.1 B
10k
470
680
1k
1.5k
2.2k
4.7k
470
680
1.5k
2.2k
4.7k
10k
10k
22k
18p
10k
10k
22k
10k
0.01
0.01
KTC3875
KRC402-RTK
SLR-342VRT32
1SS133T-77
1k
220k
1000p
NJL63H400A-1
20p
20p
22k
33k
22k
22k
KRC102S
47k
47k
1k
1k
1SS133T-77
1SS133T-77
0
47k
24p
24p
1k
LC877356A-51E1
SELS6B14CS-TP5
SELS6B14CS-TP5
SELS6B14CS-TP5
1SS133T-77
1SS133T-77
1k
1k
0
1k
1k
1k
22k
47k
390k
4.7k
220
220
4.7k
1k
1k
KRC402-RTK
LED DRIVE
220
220
220
220
100k
1k
1k
32.768KHz
56k
47k
100
100
1
50V
1
50V
1k
1k
22
6.3V
0.1
47
6.3V
470
6.3V
0.1
0.1
100
22
16V
47k
0
8.64MHz
TAPE MECHANISM DECK
(CMAL1Z240A)
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