Sony HCD-EC98P / MHC-EC98P / MHC-EC98PI Service Manual ▷ View online
HCD-EC98P
HCD-EC98P
37
37
B
A
31
32
CN803
MAIN
(3/3)
BOARD
L
BOARD
MOTOR
CN001
Q
POWER
KEY
BOARD
W401
W403
KEY CD
BOARD
IC B/D
3
4.5
4.5
7.5
7.5
0
0
0.1
0.7
3.9
8.1
7.5
5.7
4.5
3.9
0
0.7
3.3
0
3.1
0
4.9
8.1
7.7
4.9
5.1
7.1
7.1
0
5.1
0
0
0
4.8
4.8
4.9
4.9
4.8
4.8
4.8
0
4.8
0
4.9
4.8
4.8
4.9
4.8
4.8
4.8
4.8
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.1
1.3
3.1
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
1.3
3.1
1.3
1.3
1.3
1.3
1.3
1.3
2.6
0
0
0
3.1
0
3.1
3.1
3.3
3.3
1
3
3.3
0
3.3
3.3
0
0.9
3.3
3.3
1.5
3
2.9
3.3
3.1
2.8
1.3
3.1
3.1
0
0
3.3
0
0
0
3.1
0
0
1.4
1
3.1
0
0
0
0
0
0
3.3
0
3.1
3.1
3.1
3.1
3.3
3.3
3.1
3.1
2SC3052F-T1-LF
Q304
2SC3052F-T1-LF
Q303
R332
10k
C301 0.1
2SC3052F-T1-LF
Q305
Q306
RT1N441C-TP-1
R337
220
R338
2.2
R339
2.2
R340
4.7k
R342
220k
C308
0.1
R343 470k
Q308
RT1N441C
Q310
2SC3052
C309
50V
22
R346
47k
R347
470
R354
47k
R348
47k
R349
470
R350
47k
R351
470
R352
47k
R353
470
R358
47k
R361
47k
R357
47k
R362
22k
R364 22k
R363
22k
R367 22k
R365 22k
C320
22p
C321
0.1
R327
100
R326
100
R325
10
Q301
2SC3052F-T1-LF
R328
10k
R381
10k
C313
0.22
R380
470
R384
10k
R383
10k
R402
100k
C338 1000p
100
R301
R302 100
R303 100
R304 100
R305 100
R306 100
R307 100
R308 100
R309 100
R310 100
R311 470
R312 100
R313 100
R314 100
R315 100
R316 100
R317 100
R318 100
R319 100
R320 100
R321 100
R322 100
R323 100
C310 0.1
C311
0.1
C312
0.1
C330
0.1
1L0341Y23E0CA602
LED301
Q309
KTA1273
R341
33k
Q317
2SC3440
Q315
2SC3440
Q318
2SC3440
Q316
2SC3440
Q313
2SA1365
Q311
2SA1365
Q314
2SA1365
Q312
2SA1365
KTA1271Y-AT
Q302
R334
10k
R331
100k
C302
10
50V
C341
0.1
R345
4.7k
R344
2.7k
R324 100
R333
100k
R336
10k
C305
10
50V
C303
10
50V
C317
1000p
R369
1k
R370
1k
R371
1k
R372
1k
R374
1k
R385
1k
R386
1k
R387
1k
27k
R419
100k
R420
C332
0.01
R390
10k
R392
10k
R389
∗
R391
(AUS)
1k
TP301
TP302
TP303
TP304
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
TP314
TP315
TP316
TP317
TP318
TP319
TP320
TP321
TP322
TP323
TP324
TP325
TP326
TP327
TP328
TP329
TP330
TP331
TP333
TP334
TP335
TP336
TP337
TP38
TP339
TP340
TP341
TP343
R329
2.2k
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN302
R330
680
R421
10k
50V
C343
22
C314
0.047
C315
0.047
C316
0.047
C328
0.047
MAZ8043GMLS0
D301
R414
2.2k
R376
10k
R377
10k
R379
68k
TP344
TP345
TP346
R382
10k
4.7k
R422
C344
0.047
R335
22k
TP348
47k
R424
TP350
R368
10k
R426
100k
R366
10k
R428
47k
1.2k
R405
1.5k
R406
C345
0.047
R375
0
R373
0
1.2k
R412
1.5k
R413
R415
2.7k
R416
3.9k
R417
6.8k
R418
15k
0.047
C346
Q307
ISA1235
C304
0.1
R360
1k
R359
1k
R356
1k
R355
1k
C306
6.3V
470
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
CN301
R400
1k
R401
1k
R433 470
R434 470
R435 470
C347
470p
C348 470p
1
2
9
8
7
6
5
4
3
BA6956AN
IC303
VREF
OUT2
RNF
OUT1
VM
VCC
FIN
GND
RIN
C351
0.1
C352
50V
10
C353
0.1
R378 33k
1N4002B
D306
R444
4.7k
R445
4.7k
R441
39k
R442
22k
R443
10k
MC2836
D303
1
7
8
9
10 11 12
5
6
14
19
18
17
13
16
20
15
23 24
27
21
28
26
25
22
31
33
35
30
32
36
34
29
2
3
4
37
LCD301
4.7k
R446
4.7k
R447
10k
R448
10k
R429
1
3
2
MA2J1110GLS0
D305
MA2J1
110GLS0
D302
MA2J1110GLS0
D304
FB301
C342
1000p
4700p
C354
4700p
C355
C356
0.1
32.768kHz
X301
C319 18p
R396 330k
S301
2
3
1
50V
C357
22
MA2J1110GLS0
D307
6MHz
X302
1
2
3
4
5
5P
CN311
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 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
MB90F831PF-G-SPE1
IC301
SEG32
O-AMP-ON
O-POWER
O-CD-ON
I-3CD-SW3/O-CDM-CLOSE
I-3CD-SW2/NC
I-3CD-SW1/O-CDM-OPEN
O-3CD-M1+/O-CDM-M1+
I-RMC
O-3CD-M1-/O-CDM-M1-
O-3CD-M2+/NC
O-3CD-M2-/NC
XOA
X1A
VCC
VSS
I/O-CD-BUS0
I/O-CD-BUS1
I/O-CD-BUS2
I/O-CD-BUS3
I-3CD-CHACK
I-3CD-STOCK
O-DR-MUTE
I-REQ
O-CD-BUCK
O-CD-CCE
O-CD-RST
O-LED-STBY
I-USB-TXD/I-DMP-TXD
I-USB-DO/I-DMP-5V-DET
O-USB-RXD/O-DMP-RXD
AV
C
C
I-TU-DO
O-USB-DI/5V
-ON/O-TP-REC-MUTE
A
VSS
I-P-MONI
I-KEY1
I-KEY2
I-TU-ANSD
O-USB-SEL1_2/O-SW
-ON/I-TP-ST
A
TE
I-KEY
-W
AKE-UP/VOL
I-HOLD
O-CD-SBSY
GND
I-DMP-DET/O-USB-RST
I-MODEL
I-SUFFIX
I-1CD-CLOSE_OPEN/NC
I/O-I2C-DA
TA
I/O-I2C-CLK
MD2
MD1
MD0
I-RST
O-TU-CE
O-TU-CLK
O-TU-DI
VLCD
COM0
COM1
CMO2
CMO3
SEG0
SEG1
VCC
VSS
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
VCC
VSS
X1
X0
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
C340
0.1
1
2
CN303
2P
1
2
3
3P
CN305
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
I-SW2
I-CHACK
I-SW1/CDM-OPEN
I-SW3/CDM-CLOSE
COM0
COM1
COM2
COM3
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG1
1
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
M2+
M1-
SEG31
I-HOLD
O-AMP-ON
5V
-ON/O-TP-REC-MUTE
O-M1+/CDM-M+
O-M1-/CDM-M-
O-M2+
O-M2-
LED-STBY
O-CD-BUCK
O-CD-CCE
M2-
M2+
M1-
M1+
O-DR-MUTE
SEG32
SEG32
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
COM3
COM2
COM1
COM0
O-TU-DI
O-TU-CLK
O-CD-SBSY
I-MODEL
I-SUFIX
I-KEY-WAKE-UP/VOL
I-CLOSE/OPEN
O-M1-/CDM-M-
O-M1+/CDM-M+
I-CLOSE/OPEN
I-STOCK
I-KEY1
O-POWER
I-KEY2
LED-STBY
I-DMP-5V-DET
I-RST
O-TU-CE
I-RST
SEG16
SEG17
SEG20
SEG21
SEG22
SEG23
SEG24
SEG18
SEG19
I-SW3/CDM-CLOSE
I-SW2
I-SW1/CDM-OPEN
I-RMC
O-CD-ON
I-REQ
O-CD-RST
I-STOCK
I-CHACK
I/O-BUS3
I/O-BUS2
I/O-BUS1
I/O-BUS0
I-DMP-TXD
O-DMP-RXD
I-TU-DO
I-P-MONI
I-KEY1
I-KEY2
I-TU-ANSD
O-SW
-ON/I-TP-ST
A
TE
I-KEY
-W
AKE-UP/VOL
I-HOLD
I/O-I2C-CLK
I/O-I2C-DA
TA
I-MODEL
O-M2-
O-M2+
O-M1-/CDM-M-
O-M1+/CDM-M+
M2-
I-RMC
O-SW-ON/I-TP-STATE
I/O-I2C-DATA
I-TU-DO
I-TU-ANSD
O-TU-CE
I/O-I2C-CLK
5V-ON/O-TP-REC-MUTE
O-POWER
I-DMP-DET/USB-RST
O-DR-MUTE
O-AMP-ON
O-CD-SBSY
I-REQ
O-CD-ON
I-P-MONI
O-CD-RST
I/O-BUS0
I/O-BUS1
O-CD-CCE
O-CD-BUCK
I/O-BUS3
I/O-BUS2
I-DMP-TXD
I-DMP-5V-DET
O-DMP-RXD
M1+
I-DMP-DET/USB-RST
I-SUFIX
LIQUID CRYSTAL DISPLAY
(CHASSIS)
W301
IC301
SYSTEM CONTROLLER
IC303
MOTOR DRIVE
DISPLAY
ROTARY ENCODER
SW319
VOLUME
- TUNING
SW305
SW303
TUNING +
SW304
FUNCTION
SW316
SW311
TUNING MODE
PLAY MODE/
SW315
SW314
EQ
SW318
-
SW313
DSGX
SW317
SW312
+
MECHANISM
DECK
CD
PANEL BOARD
O-TU-DI
O-TU-CLK
/
STANDBY
Q307-310
REGULATOR
MOTOR DRIVE
Q311-318
+4V REGULATOR
Q302-304
LED DRIVE
VOLTAGE DETECT
Q305,306
∗R389
8.2k (AUS)
2.2k (US, CND)
(AUS)
(US, CND)
7
11
D
B
16
6
9
17
10
F
5
15
L
K
3
G
1
18
12
C
M
E
H
8
J
4
13
A
14
2
I
VCC
OUT
GND
NJL24H400B
IC302
IC302
REMOTE CONTROL
RECEIVER
M2-
M2+
M1-
M1+
SW-COM
SW3
SW1
I-CHACK
SW2
I-CLOSE
I-STOCK
I-OPEN
NC
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
I/O-I2C-DATA
O-SW-ON/I-TP-STATE
I/0-I2C-CLK
5V-ON/O-TP-REC-MUTE
O-POWER
I-DMP-DET/O-USB-RST
O-CD-M-MUTE
O-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
O-CD-RST
I-P-MONI
O-CD-ON
D-GND
V-STBY
M-GND
I-DMP-TXD
I-DMP-5V-DET
O-DMP-RXD
NC
M+
M-
DGND
CLOSE SW
OPEN SW
KEY-1
GND
KEY-0
GND
KEY-SW-ON
(Page 33)
6-14. SCHEMATIC DIAGRAM - PANEL Board -
• See page 40 for waveforms. • See page 40 for IC Block Diagrams. • See page 43 for IC Pin Function Description.
(Page 40)
(Page 38)
(Page 38)
HCD-EC98P
HCD-EC98P
38
38
R407
R408
R409
R410
R411
TP415
TP416
1
2
SW308
SW309
SW310
SW306
SW306
SW307
SW308
13
SW301
SW302
W401
IC601
C698
1
3
1
3
JW614
W610
JW491
R491
R492
C491
C495
C496
KEY CD BOARD
1-875-521-
11, 12
(11, 12)
A
PANEL BOARD
CN303
DISC SKIP/
EX-CHANGE
DISC 1
CD
DISC 2
DMPORT
DISC 3
(US, CND)
;
;
SW301, 302,
SW306 - 310
SW306 - 310
(US, CND)
(US, CND)
(AUS)
KEY POWER BOARD
STANDBY
SUBWOOFER
ON/OFF
JACK BOARD
J491
J492
AUDIO IN
PHONES
9
1
C
MAIN BOARD
CN605
1-875-520-
11, 12
(11, 12)
B
PANEL
BOARD
CN305
REG BOARD
1-875-518-
11, 12
(11, 12)
D
MAIN
BOARD
W609
A
B
C
D
E
F
G
1
2
3
4
5
6
A
CN303
BOARD
PANEL
BOARD
PANEL
B
CN305
(2/3)
C
CN605
BOARD
MAIN
MAIN
D
W609
BOARD
(2/3)
8.9
17.1
R407
2.2k
TP415
TP416
R408
2.7k
R409
3.9k
R410
6.8k
R411
15k
2P
W403
1
KEY-1
2
GND
SW308
DISC 3
DISC 2
SW307
DISC 1
SW306
KEY CD BOARD
DISC SKIP/
EX-CHANGE
SW310
SW309
CD
DMPORT
(AUS)
(US, CND)
D
B
6
F
5
3
G
1
C
E
H
4
A
2
I
TP409
TP410
TP411
SW302
1
2
3
3P
W401
KEY-0
GND
KEY-SW-ON
/
STANDBY
SW301
KEY POWER BOARD
ON/OFF
SUBWOOFER
J491
C491
0.1
C495
1000p
C496
1000p
TP491
TP492
TP493
TP494
TP495
TP496
TP497
TP498
J492
R491
22k
R492
22k
1
2
3
4
5
6
7
8
9
9P
CN496
JACK BOARD
AUDIO IN
PHONES
0.1
C698
I
O
G
1
2
3
3P
W610
IN
GND
OUT
REG BOARD
1
2
3
IC601
TA7809S
+9V REGULATOR
IC601
AUDIO-L
A-GND
AUDIO-R
HP-GND
HP-L
HP-R
AMP-ON
SP-RELAY
GND
(Page 37)
(Page 32)
6-16. SCHEMATIC DIAGRAM - KEY Section -
(Page 37)
(Page 32)
6-15. PRINTED WIRING BOARDS - KEY Section -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
(Page 36)
(Page 30)
(Page 36)
(Page 30)
HCD-EC98P
HCD-EC98P
39
39
1
10
1
3
PT005
PT006
CN051
CN053
RY001
JW052
W001
C051
C052
D051
D052
D055
PT BOARD
SUB POWER
TRANSFORMER
MAIN POWER
TRANSFORMER
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
∗
(CHASSIS)
J
MAIN BOARD
CN654
(AC IN)
1-875-523-
11, 12
(11, 12)
A
B
C
D
E
F
1
2
3
4
5
BOARD
J
CN654
MAIN
(2/3)
C051
0.1
MC2836
D051
RY001
1
3
3P
CN053
1
2
3
4
5
6
7
8
9
10
10P
CN051
RELAY ON/OFF
V STBY
AC DETECT
VH(AC)
VH(AC)
VL(AC)
GND
VL(AC)
VH(AC)
VH(AC)
1
3
4
5
6
7
8
9
2
C052
0.1
PT006
1
10
11
12
13
9
5
6
W001
(CHASSIS)
PT BOARD
(AC IN)
MAIN POWER TRANSFORMER
∗
BUILD IN TRANSFORMER
∗NOT REPLACEABLE:
7
D
B
6
5
3
1
C
4
A
2
LIVE
NEUTRAL
PT005
SUB POWER TRANSFORMER
MC2838-T112-1
D052
MC2838-T112-1
D055
(Page 32)
6-17. PRINTED WIRING BOARD - PT Board -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
(Page 30)
6-18. SCHEMATIC DIAGRAM - PT Board -
HCD-EC98P
HCD-EC98P
40
40
M001
CN001
S001
5P
OPEN SW
CLOSE SW
OPEN
CLOSE
(LOADING)
DGND
CLOSE
OPEN
CD TRAY
OPEN/CLOSE
DETECT
PANEL
BOARD
CN311
Q
CN001
S001
A
B
1
2
3
4
5
6
7
1-866-548-
21
(21)
MOTOR BOARD
Q
PANEL BOARD
CN311
DISC TRAY
OPEN/CLOSE
DETECT
OPEN 5CLOSE
M
M001
(LOADING)
(Page 37)
6-19. PRINTED WIRING BOARD - MOTOR Board (US, Canadian models) -
6-20. SCHEMATIC DIAGRAM - MOTOR Board (US and Canadian models) -
•
: Uses unleaded solder.
• See page 27 for Circuit Boards Location.
• Waveforms
– CD Board –
– CD Board –
IC101 XG (XO)
(CD play mode)
(CD play mode)
1 V/DIV, 20 ns/DIV
59.1 ns
3.3 Vp-p
IC101 JB (RFi)
(CD play mode)
(CD play mode)
200 mV/DIV, 500 ns/DIV
0.5 to 1.3 Vp-p
XB
IC801 RM (XIN)
500 mV/DIV, 5
μs/DIV
13.3
μs
1 Vp-p
FT
IC301 PT (X1)
1 V/DIV, 50 ns/DIV
166 ns
3 Vp-p
FB
IC301 RG (X1A)
1 V/DIV, 10
μs/DIV
30.5
μs
3 Vp-p
– MAIN Board –
– PANEL Board –
(Page 36)
• IC Block Diagrams
– CD Board –
– CD Board –
IC201 TK63115SCL-G@GT
IC401 BA5826SFP-E2
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULA
TOR
VCC
VCC
THERMAL &
OVER CURRENT
PROTECTION
VOLTAGE
REFERENCE
ON/OFF
CONTROL
VIN 1
GND 2
VCONT 3
NC
4
VOUT
5
+
–
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