Sony HCD-EC98P / MHC-EC98P / MHC-EC98PI Service Manual ▷ View online
HCD-EC98P
HCD-EC98P
33
33
IC B/D
PANEL
BOARD
L
CN301
CD
BOARD
M
CN201
IC B/D
MAIN
3
(2/3)
BOARD
2
21
BOARD
MAIN
(1/3)
FM DETECTOR
AM TRACKING
COVERAGE
FM FREQUENCY
FM TRACKING
AM FREQUENCY
COVERAGE
0.9
4.7
4.7
4.7
4.8
4.2
3
1.8
1.8
1.6
0
1.7
2.2
2.9
1.4
1.2
2.2
2.2
2.4
4.8
4.8
2.2
2.2
3.7
3.6
0
2.3
2.3
0
0
0
2.9
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.6
3.3
3.3
7.4
8.8
6.9
2.9
4.8
5.5
3.4
7.2
3.2
3.8
3.8
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN608
AVDD
R-OUT
DAC-GND
L-OUT
A-GND
RST
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
SBSY
D-GND
D-OUT
DVDD
VM7V
M-GND
M-MUTE
USB-RST
1N4002B
D619
1N4002B
D620
10V
220
C669
100
R722
1k
R716
2SC3052F-T1-LF
Q622
22k
R720
10V
470
C673
16V
100
C667
100
R715
50V
1
C663
50V
1
C664
220
R707
220
R706
50V
10
C661
50V
1
C676
50V
1
C675
1
C658
1
C656
C654
1
C652
1
1
C650
1
C648
2200p
C647
1k
R697
2200p
C657
1k
R709
50V
1
1
C644
50V
1
1
C636
50V
1
C646
50V
1
C665
TP637
TP639
TP641
TP642
TP643
TP644
TP645
TP646
TP647
TP648
TP649
TP651
TP652
TP654
TP655
TP656
TP657
TP658
TP659
TP660
TP661
TP662
TP663
TP664
TP665
TP666
TP667
TP668
TP669
TP670
4.7k
R700
4.7k
R704
10k
R696
10k
R708
C649
220p
0.1
C679
0.1
C691
0.1
C693
0.1
C694
2200p
C683
2200p
C690
470p
C689
0.01
C692
2200p
C680
2200p
C682
2200p
C681
100
R732
100
R731
MAZ8039GHLS0
D618
0.047
C638
0.047
C637
0.047
C634
0.047
C633
22k
R684
22k
R681
0.022
C674
5.6k
R751
5.6k
R753
TP701
TP702
TP703
R701
10k
R702
10k
1k
R741
1k
R742
4.7k
R749
4.7k
R750
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
31P
CN803
16V
C671
100
C838
1000p
C827 0.047
C820
5p
C814
∗
22
R804
TP688
R841
10k
10V
220
C833
R809
100
R824
470
R831
2.2k
R810
4.7k
C822
22
50V
TP684
R811
100k
R823
10k
JW802
R844
2.2k
R845
0
R838
22k
22
R808
R830
3.3k
C815
∗
R802
22
C837
10p
C824
1
C845
0.22
R819 33k
C817
0.01
R837
100k
C803
1
C847
0.1
R816
1k
C835
0.047
R829 4.7k
6
2
1
3
4
AM IF
T801
R820
4.7k
31
32
33
34
35
36
1
2
3
4
5
6
30
29
28
27
26
8
7
9
10
11
21
22
23
24
25
12
13
14
15
20
19
16
17
18
LV23003VA
IC801
AM RF-IN
REG
FM-MIX
GND1
AM-MIX
VCC1
AM IF-IN
FM IF-IN
P-DET
P-COMP
FM-DET
L-OUT
R-OUT
VSS
CE
DI
CL
DO
XIN
XOUT
VDD
MPX-IN
FM DET
-OUT
AM DET
-OU
AGC
PD
LP-IN
LP-OUT
BO1
BO2
AM-OSC
FM-OSC
VCC2
FM RF-OUT
GND
FM RF-IN
R827
100k
R840
0
C819
470p
R812
47k
R821
4.7k
C841
1000p
C823
220
10V
R805
470k
16V
100
C802
C830
2p
TP687
1
6
2
3
4
5
L805
C831
0.47
R813
470k
CF
G
I
O
FL801
TP690
1
2
3
4
6
L801
C816 0.01
L803
C832
0.47
R842
0
TP686
L804
C848
0.1
R817
47k
R826
1k
R836
6.8k
C844
0.1
SV230-TB-E
D804
C808
18p
C828 100p
2SC3052F-T1-LF
Q801
R814
22k
R807
22k
R815
10k
R806
47k
R825
4.7k
R832
1M
C840
0.1
JW801
C826
1000p
BPF
G
G
I
O
FL803
C829 0.47
R839
10
C804
18p
CF801
C806
470p
R846
10
1
3
4
6
2
L802
TP689
TP683
TP685
C836
0.022
R818
10k
R843
100k
JW804
C805
0.47
SV230-TB-E
D803
2SC3052F-T1-LF
Q802
C846
0.01
C843
0.1
R801
100
C807
1
R803
2.2k
JW803
C821
2200p
C834
10p
R822
100
R847
0
1
2
3
3P
CN801
AM
GND
FM
X801
75MHz
SVC347A-TL-E
D801
R660 0
68
R717
68
R718
68
R719
KTC3203Y-AT
Q624
C645
1000p
C655
220p
C666
1000p
10p
C659
10p
C660
E
ET602
1000p
C662
0.1
C850
470p
C713
C809 1000p
C810 1000p
C81
1
1000p
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
BD3499FV-E2
IC602
TC/DMP-R
TC/DMP-L
TUNER-R
TUNER-L
CD-R
CD-L
AUDIO-R
AUDIO-L
SEL-L
SEL-R
VOL-R
VOL-L
TRE-L
TRE-R
BASSB-L
BASSA-L
BASSA-R
BASSB-R
OUT
-L
SB-L
SURR
SB-R
OUT
-R
VCC
SCLK
SDA
TA
GND
FIL
2200p
C640
2200p
C639
R788
15k
R787 15k
470p
C704
0.068
C684
0.068
C686
0.068
C685
0.068
C687
5.6k
R752
5.6k
R754
2200p
C703
0.015
C789
0.015
C788
1PS226-115
D802
1PS226-115
D805
1PS226-115
D806
7
9
10
11
8
12
O-CD-SBSY
O-CD-CCE
I/O-BUS3
I/O-BUS1
O-CD-REQ
CD-R
CD-L
AUDIO-L
AUDIO-R
CD-R
CD-L
TUNER-R
TUNER-L
I/O-BUS2
I/O-BUS0
TUNER-R
I2C-CLK
AMP-L
AMP-R
DMP-L
DMP-R
O-CD-M-MUTE
O-CD-BUCK
TU-CE
TU-DI
TU-CLK
TU-ANSD
TU-DO
I2C-DATA
I2C-CLK
5V-ON/TP-REC-MUTE
O-POWER
O-CD-M-MUTE
AMP-ON
O-CD-SBSY
O-CD-REQ
O-CD-CCE
O-CD-BUCK
I/O-BUS3
I/O-BUS2
I/O-BUS1
I/O-BUS0
I-P-MONI
O-CD-ON
DMP-TXD
DMP-RXD
TU-CLK
TU-ANSD
SW-ON
O-CD-ON
DMP-DET/USB-RST
DMP-5V-DET
CD-A
VR
O-CD-RST
O-CD-RST
DMP-DET/USB-RST
DMP-DET/USB-RST
TU-CE
TU-DI
I2
C
-D
ATA
TU-DO
TUNER-L
MIX, PLL, IF AMP
IC801
AM/FM-DET, OSC,
ELECTRICAL VOLUME
IC602
INPUT SELECTOR,
FM/AM
ANTENNA
(CHASSIS)
MAIN BOARD
(3/3)
REGULATOR
CONTROL
+3.3V REGULATOR
0.01 (US, CND)
4700p (AUS)
∗C814, 815
+5V REGULATOR
+3V REGULATOR
7
11
D
B
6
9
10
F
5
L
K
3
G
1
12
C
E
H
8
J
4
13
A
14
2
I
NC
O-DMP-RXD
I-DMP-5V-DET
I-DMP-TXD
M-GND
V-STBY
D-GND
O-CD-ON
I-P-MONI
O-CD-RST
I/O-BUS0
I/O-BUS1
I/O-BUS2
I/O-BUS3
O-CD-BUCK
O-CD-CCE
O-CD-REQ
O-CD-SBSY
O-AMP-ON
O-CD-M-MUTE
I-DMP-DET/O-USB-RST
O-POWER
5V-ON/O-TP-REC-MUTE
I/O-I2C-CLK
SW-ON/I-TP-STATE
I/O-I2C-DATA
I-TU-DO
I-TU-ANSD
O-TU-CLK
O-TU-DI
O-TU-CE
1N4002B
D615
6-8. SCHEMATIC DIAGRAM - MAIN Section (3/3) -
(Page
31)
• See page 40 for waveforms. • See page 40 for IC Block Diagrams.
(Page 37)
(Page 29)
(Page 32)
HCD-EC98P
HCD-EC98P
34
34
IC152
B E
B E
Q151
Q152
R151
R152
R153
R154
R155
R156
R159
R160
R161
R162
R163
R164
R171
R172
R173
R175
R176
R177
R178
R181
R182
R183
R184
R185
R186
C153
C154
C155
C156
R195
C159
R196
C160
C161
C162
C166
C173
C174
C175
C176
C178
D151
D152
JR151
15
1
1
6
4
5
1
2
CN151
CN152
R179
R180
C151
C152
C157
C158
C169
C170
JW151
JW152
JW153
JW154
JW155
JW156
JW157
HI AMP BOARD
E
MAIN
BOARD
CN632
F
MAIN
BOARD
CN602
1-875-524-
11, 12
(11, 12)
A
B
1
2
3
4
MAIN
BOARD
(1/3)
CN602
F
MAIN
E
CN632
(1/3)
BOARD
0
0
0
0
2
0
0
35.2
0
0
0
0
36.7
-36.8
-35.2
0
0
0
0
C166
4700p
50V
C151
1
50V
C152
1
R175
220
R177
220
R178
220
R176
220
2W
R179
0.22
2W
R180
0.22
R185
2.2k
R186
2.2k
2SA2026
Q152
MC2838-T112-1
D151
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
IC152
STK433-090-E
-PRE
-VCC
+VCC LO+
LO-
RO+ RO-
+PRE SUB GND
LI+
LI-
ST
-BY
RI-
RI+
C156
100p
C155 100p
C159
3p
C160
3p
C170
R173
1k
R164 47k
R163 47k
R155
47k
R156
47k
R151
220
R152
220
C153
470p
C154
470p
C178
0.1
R159
1k
R160
1k
C161
0.01
C162
0.01
0.1
C174
0.1
C173
R172
100
R181
1.2k
R182
1.2k
R183
22k
R184
22k
TP151
TP152
TP153
TP154
TP155
TP156
TP157
TP158
TP159
TP160
R162 470
R161 470
1
2
3
4
5
5P
CN152
MA2J1110GLS0
D152
1
2
3
4
5
6
6P
CN151
50V
C158 1
50V
C157
1
0
R171
470
R196
470
R195
C175
0.1
C176
0.1
R153
22k
R154
22k
Q151,152
OVER LOAD DETECT
POWER AMP
IC152
HI AMP BOARD
7
D
B
6
9
10
5
3
1
C
E
8
A
2
PA-GND
OUT-R
+VH
-VH
OUT-L
NC
2SA2026
Q151
C169
PROTECT
AMP-ON
IN-L
A-GND
IN-R
∗
∗
∗ C169,170
100 50V (AUS)
100 63V (US,CND)
100 63V (US,CND)
6-9. PRINTED WIRING BOARD - HI AMP Board -
(Page 30)
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
6-10. SCHEMATIC DIAGRAM - HI AMP Board -
(Page 31)
(Page 31)
(Page 30)
HCD-EC98P
HCD-EC98P
35
35
IC101
1
19
2
1
6
7
1
9
CN103
CN105
R129
R130
R137
R138
C101
C102
C107
C108
C111
C114
C119
C120
JW101
JW102
JW103
JW104
JW105
JW106
JW107
JW108
JW109
JW110
JW111
JW112
B E
B E
B E
Q101
Q102
Q103
R101
R102
R103
R104
R105
R106
R107 R108
R109
R110
R111
R112
R113
R114
R115
R116
R117
R118
R119
R120
R121
R122
R123
R125
R126
R127
R128
R131
R132
R133
R134
R135
R136
R139
C103
R140
C104
R141
C105
R142
C106
R143
R144
R145
C109
R146
C110
C112
C113
C115
C116
C123
C124
C125
C126
C127
C128
D101
D102
D103
JR101
JR102
LOW AMP BOARD
G
MAIN
BOARD
CN653
H
MAIN
BOARD
CN643
1-875-524-
11, 12
(11, 12)
A
B
1
2
3
4
BOARD
(1/3)
CN653
G
MAIN
MAIN
H
CN643
(1/3)
BOARD
0
35.2
0
0
0
-35.2
2
0
-36.8
0
0
0
36.7
0
0
0
0
0
0
0
0
0
0
0
0
0
C116
4700p
50V
1
C101
50V
1
C102
220
R125
220
R127
220
R128
220
R126
2W
0.22
R129
2W
0.22
R130
2.2k
R135
2.2k
R136
2SA2026
Q101
2SA2026
Q102
MC2838-T1
12-1
D101
C106
100p
C105 100p
3p
C109
3p
C1
10
C120
C119
∗
∗
∗
1k
R123
47k
R1
14
47k
R1
13
47k
R107
47k
R108
25V
47
C108
25V
47
C107
470p
C103
470p
C104
0.1
C128
1k
R109
1k
R1
10
0.1
C124
0.1
C123
C119,120
100 50V (AUS)
100 63V (US,CND)
100 50V (AUS)
100 63V (US,CND)
C1
13
100p
2SA2026
Q103
2.2k
R141
470p
C112
47k
R121
50V
1
C111
25V
47
C1
14
3p
C115
1k
R1
19
47k
R118
0
R101
0
R102
0
R115
22k
R140
22k
R133
22k
R134
1.2k
R132
1.2k
R131
R122
100
1
2
3
4
5
6
7
8
9
9P
CN105
TP101
TP102
TP103
TP104
TP105
TP106
TP107
TP108
TP109
TP110
TP111
TP112
TP113
470
R120
470
R112
470
R111
1
2
3
4
5
6
7
7P
CN103
PROTECT
AMP-ON
IN-L
A-GND
IN-R
SW-A-GND
SW-IN
MA2J1110GLS0
D102
MA2J1110GLS0
D103
0
R143
2W
0.47
R137
2W
0.47
R138
220
R104
220
R103
22k
R106
R105
22k
22k
R117
220
R116
0
R144
1.5k
R139
1.5k
R142
1
6
5
4
3
2
11
10
9
8
7
12
16
15
14
13
19
18
17
IC101
STK433-330-E
-PRE
-VCC
+VCC LO+
LO-
RO+ RO-
+PRE SUB GND
LI+
LI-
ST
-BY
RI-
RI+
SWI+
SWI-
SWO+
SWO-
470
R145
470
R146
C126
0.1
C125
0.1
C127
0.1
LOW AMP BOARD
POWER AMP
IC101
OVER LOAD DETECT
Q101-103
7
D
B
6
9
10
5
3
1
C
E
8
4
A
2
PA-GND
OUT-R
+VH
-VH
OUT-L
+VH
OUT-SW
OUT-SW
-VH
(Page 31)
(Page 30)
6-11. PRINTED WIRING BOARD - LOW AMP Board -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
6-12. SCHEMATIC DIAGRAM - LOW AMP Board -
(Page 30)
(Page 31)
Ref. No. Location
• Semiconductor
Location
D101
A-2
D102
B-4
D103
A-4
IC101
B-3
Q101
A-2
Q102
B-2
Q103
B-4
HCD-EC98P
HCD-EC98P
36
36
IC301
IC302
IC303
51
50
31
1
100
30
80
81
B E
B E
B E
B E
B E
B E
B
E
B
E
B
E
B
E
B
E
B E
B
E
R400
R401
R402
R405
R406
B E
B E
B E
R412
R413
R414
R415
R416
R417
R418
R419
R420
R421
R422
R424
R426
R428
R429
R433
R434
R435
R441
R442
R442
R443
R444
R445
R446
R447
R448
Q301
Q303
Q304
Q305
Q306
Q307
Q308
Q310
Q311
Q312
Q313
Q314
Q315
Q316
Q317
Q318
FB301
R301
R302
R303
R304
R305
R306
R307
R308
R309
R310
R31
1
R312
R313
R314
R315
R316
R317
R318
R319
R320
R321
R322
R319
R320
R321
R322
R323
R324
R325
R326
R327
R328
R329
R330
R331
R332
R333
R334
R335
R336
R337
R338
R339
C301
R340
C304
R341
R342
R343
R344
C308
R345
R346
R347
R348
R349
C310
C31
1
C312
C313
R350
C314
R351
C315
R352
C316
R353
C317
R354
R355
C319
R356
R357
R358
R359
C320
C321
R360
R361
R362
R363
R364
C328
R365
R366
R367
R368
R369
C330
C332
C333
R370
R371
R372
R373
R374
C338
R375
R376
R377
R378
R379
C340
C341
C342
R380
C344
R381
C345
R382
C346
R383
C347
R384
C348
R385
R386
R387
R389
C351
C353
C354
R390
C355
R391
C356
R392
R396
D301
D302
D303
D304
D305
D307
JR301
JR302
JR303
JR304
JR305
JR307
JR308
JR309
JR310
JR311
JR313
JR315
B
E
E
B
1
37
30
31
1
2
1
2
12
13
9
1
3
2
1
4
5
1
1
2
JW370
JW371
JW372
JW373
JW374
JW375
JW376
JW377
JW378
JW379
JW380
JW381
JW382
JW383
JW384
JW385
JW386
JW387
JW388
JW389
JW390
JW391
JW392
JW393
JW394
JW395
JW396
JW397
JW398
JW399
JW400
JW401
JW402
JW403
JW404
JW405
JW406
Q302
Q309
SW303
SW304
SW305
W301
SW311
SW312
SW313
SW314
SW315
SW316
SW318
SW319
CN301
CN302
CN303
CN305
CN311
C302
C303
C305
C306
C309
X301
X302
S301
S301
C343
C352
JW301
JW302
JW303
C357
JW304
JW305
JW306
JW307
JW308
JW309
JW310
JW311
D306
JW312
JW313
JW314
JW315
JW316
JW317
JW318
JW319
JW320
JW321
JW322
JW323
JW324
JW325
JW326
JW328
JW329
JW330
JW331
JW332
JW333
JW334
JW335
JW336
JW337
JW338
JW339
JW340
JW341
JW342
JW343
JW344
JW345
JW346
JW347
JW348
JW349
JW350
JW351
JW352
JW353
JW354
JW355
JW356
JW357
JW358
JW359
JW360
JW361
JW362
JW363
JW364
JW365
JW366
JW367
JW368
JW369
LCD301
SW317
PANEL BOARD
STANDBY
LED301
Y
1
3
B
KEY POWER
BOARD
W401
L
MAIN
BOARD
CN803
/
–TUNING
.-
LIQUID CRYSTAL
DISPLAY
(AUS)
9
FUNCTION
EQ
DSGX
PLAY MODE/
TUNING MODE
VOLUME
ROTARY
ENCODER
1
3
(CHASSIS)
CD MECHANISM
DECK
Q
MOTOR BOARD
CN001
–
+
DISPLAY
SW303 - 305,
SW311 - 319
(US, CND)
(AUS)
(US, CND)
.-
TUNING +
A
B
C
D
E
F
G
1
2
3
4
5
6
1-875-519-
11, 12
(11, 12)
A
KEY CD
BOARD
(Page 40)
(Page 30)
(Page 38)
Ref. No. Location
• Semiconductor
Location
D301
D-4
D302
D-2
D303
D-3
D304
C-4
D305
E-5
D306
E-2
D307
E-3
IC301
B-3
IC302
B-5
IC303
E-2
LED301 B-1
Q301
B-1
Q302
D-4
Q303
D-4
Q304
D-3
Q305
D-2
Q306
D-2
Q307
E-5
Q308
F-5
Q309
E-5
Q310
E-5
Q311
F-5
Q312
G-5
Q313
F-4
Q314
F-4
Q315
F-5
Q316
F-5
Q317
F-4
Q318
F-4
6-13. PRINTED WIRING BOARD - PANEL Board -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
(Page 38)
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