Sony HCD-EC98P / MHC-EC98P / MHC-EC98PI Service Manual ▷ View online
HCD-EC98P
HCD-EC98P
25
25
6-1. BLOCK DIAGRAM - CD SERVO, TUNER Section -
SECTION 6
DIAGRAMS
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
B
C
D
D
E
A
F
SP+
SP-
LD
PD
VC
AUTOMATIC
POWER
CONTROL
Q301
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
CD-MP3 PROCESSOR
IC101
VO1+
2
VO1-
1
IN1 3
SL+
SL-
VO2-
12
VO2+
11
IN2’ 9
T+
T-
VO3+
18
VO3-
17
IN3’ 20
F+
F-
CD MECHANISM
DECK
M1-
M2+
M2-
M2+
M2-
M1+
VO4+
26
VO4-
27
IN4’ 24
MUTE 7
97 FPi1 (B)
94 FNi2 (C)
96 FPi2 (D)
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
95 FNi1 (A)
98 TPi (F)
91 LDo
MDi
84 VRo
13 DMo
92
12 FMo
10 TRo
9 FOo
XO
XI
X102
16.9344MHz
S201
(LIMIT)
24
23
IO0 (/HSO) 20
LO
CD-L
30
RO
R-CH
27
BUS0 38
BUS1 39
BUS1 39
I/O-CD-BUS0
17
I/O-CD-BUS1
18
BUS2 (SO) 40
BUS3 (SI) 41
BUCK (CLK) 42
XCCE 43
PIO0 48
I/O-CD-BUS2
19
I/O-CD-BUS3
20
O-CD-BUCK
25
O-CD-CCE
26
XRST 37
O-CD-RST
27
O-DR-MUTE
23
I-REQ
24
SBSY 54
O-3CD-M1+/O-CDM-M1+ 8
O-3CD-M1-/O-CDM-M1- 10
O-3CD-M2+/NC 11
O-3CD-M2-/NC 12
O-CD-SBSY
43
B
A
M
M
MOTOR
DRIVER
DRIVER
IC303
S001
DISC TRAY
OPEN/CLOSE DETECT
CLOSE
OPEN
M001
(LOADING)
(US, Canadian)
(Australian)
MOTOR
DRIVE
Q311 - 318
SW3
SW2
I-CHACK
SW2
I-CHACK
SW1
I-3CD-SW1/O-CDM-OPEN 7
I-3CD-SW3/O-CDM-CLOSE 5
I-3CD-SW2/NC 6
I-3CD-CHACK 21
I-STOCK
I-OPEN
I-CLOSE
I-OPEN
I-CLOSE
I-3CD-STOCK 22
I-1CD-CLOSE_OPEN/NC 48
AM/FM-DET, OSC, MIX, PLL, IF AMP
IC801
36 FM RF-IN
8 FM IF-IN
22 MPX-IN
1 AM RF-IN
31 AM-OSC
33
I-TU-DO
56
O-TU-CLK
55
O-TU-CE
57
O-TU-DI
39
I-TU-ANSD
X801
75kHz
20
19
XIN
XOUT
16
DI
17
CL
15
CE
18
DO
25
AGC
3
CN801
ANTENNA
FM/AM
1
BAND-PASS
FILTER
FL803
AM
TRACKING
L805
AM FREQUENCY
COVERAGE
L801
D801
7 AM IF-IN
T801
AM IF
34 FM RF-OUT
FM
TRACKING
L804
32 FM-OSC
FM FREQUENCY
COVERAGE
L803
+9V
11 FM-DET
FM
DETECTOR
L802
3
FM-MIX
23
FM DET-OUT
12
L-OUT
13
R-OUT
R-CH
TUNER-L
5
AM-MIX
24
AM DET-OUT
CF801
• SIGNAL PATH
: AM
: CD PLAY
• R-ch is omitted due to same as L-ch.
: FM
SYSTEM CONTROLLER
IC301 (1/2)
HCD-EC98P
HCD-EC98P
26
26
6-2. BLOCK DIAGRAM - MAIN Section -
SYSTEM CONTROLLER
IC301 (2/2)
INPUT SELECTOR,
ELECTRICAL VOLUME
IC602
4
19
TUNER-L
OUT-L
9
SEL-L
12
VOL-L
TUNER-L
31 O-USB-RXD/O-DMP-RXD
45 I-DMP-DET/O-USB-RST
29 I-USB-TXD/I-DMP-TXD
2 TC/DMP-L
A
6 CD-L
8 AUDIO-L
CD-L
B
M601
(FAN)
I-RST 54
I-USB-DO/I-DMP-5V-DET 30
I-HOLD 42
49
I/O-I2C-DA
TA
50
I/O-I2C-CLK
26
SDA
TA
25
SCLK
3
O-POWER
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
: FM
: DMPORT
: AUDIO IN
FAN MOTOR
DRIVE
Q601, 602
PROTECT
DETECT
Q603
34
O-USB-DI/5V-ON/O-TP-REC-MUTE
4
O-CD-ON
RELAY
DRIVE
Q619
PROTECT
DETECT
Q611, 612
PROTECT
DETECT
Q605, 606
OVER LOAD
DETECT
Q101 - 103
D103
OVER LOAD
DETECT
Q151, 152
POWER
AMP
IC101
+1.5V
REGULATOR
IC201
CD +1.5V
+9V
REGULATOR
IC601
+9V
+5V
REGULATOR
IC701
DMPORT +5V
RELAY B+
+3.3V
REGULATOR
Q622, 624
VOLTAGE
DETECT
Q305, 306
VOLTAGE
DETECT
Q761, 762
+4V
REGULATOR
Q302 - 304
D631
+9V
CD +3.3V
+3V
REGULATOR
Q801
TUNER +3V
+5V
REGULATOR
Q802
TUNER +5V
SYSTEM +3.3V
D152
D601
R-CH
D303
D055
D617
D628
D602, 606
M
M
M701
(FAN)
M
M
DC DETECT
Q618
STANDBY
SWITCH
Q608
J492
RY602
R-CH
PHONES
J491
AUDIO IN
CN901
DMPORT
SPEAKER
LOW FREQ.
IMPEDANCE:
USE 8
Ω
SPEAKER
HIGH FREQ.
IMPEDANCE:
USE 8
Ω
+
–
–
–
+
R
L
TB602
SUBWOOFER
IMPEDANCE:
USE 4
Ω
+
–
–
TB603
R-CH
+
–
–
–
+
R
L
TB601
R-CH
R-CH
2
O-AMP-ON
40
O-USB-SEL1_2/O-SW
-ON/I-TP-ST
ATE
RY701
RY601
(AUS)
(US, CND)
(US, CND)
RY001
PT005
SUB POWER
TRANSFORMER
PT006
MAIN POWER
TRANSFORMER
VSTBY
+VH
-VH
(AC IN)
RECT
D051, 052
RECT
D607 - 610,
D623 - 626
RECT
D611, 612,
D633, 634
I-P-MONI 36
RELAY DRIVE
Q604
PRE DRIVE
Q700 - 703
SUBWOOFER
SWITCH
Q705
RELAY DRIVE
Q704
5
7
6
11
13
L+
L-
12
14
R+
R-
R-CH
R-CH
TXD
RXD
DET
LINE
AMP
AMP
IC770
• Abbreviation
AUS :
Australian model
CND : Canadian model
X302
6MHz
X1
X0
92
93
X301
32.768kHz
X1A
X0A
14
13
I-RMC
9
REMOTE CONTROL
RECEIVER
IC302
LED DRIVE
Q301
LED301
O-LED-STBY
28
LCD301
LIQUID
CRYSTAL
DISPLAY
ROTARY
ENCODER
S301
VOLUME
SW301 - 308,
SW309, 310
SW311 - 319
(FRONT PANEL KEYS)
I-KEY1, I-KEY2, I-KEY-WAKEUP/VOL
37, 38, 41
COM0 - COM1
59 - 62
SEG0 - SEG32
63, 64, 67 - 89, 94 - 100, 1
I/
STANDBY
PROTECT
DETECT
Q607
POWER
AMP
IC152
HCD-EC98P
HCD-EC98P
27
27
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• f :
internal
component.
• 2 : nonfl ammable resistor.
• C : panel designation.
• 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.
• B : B– Line.
• C : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• C : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
– CD Board –
no mark : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
• Voltages are taken with a VOM (Input impedance 10
no mark : CD PLAY
– Other Boards –
no mark : TUNER (FM/AM)
• Voltages are taken with a 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
i : AUDIO IN
g : DMPORT
g : DMPORT
• Abbreviation
AUS :
AUS :
Australian
model
CND :
Canadian
model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• W : indicated side identifi ed with part number.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• W : indicated 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
• Circuit Boards Location
KEY POWER board
PANEL board
MAIN board
HI AMP board
LOW AMP board
PT board
REG board
JACK board
DMP board
KEY CD board
CD board
MOTOR board
B
These are omitted.
C E
Q
Caution:
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts face side:
(Conductor Side)
Pattern face side:
(Component Side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
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.
HCD-EC98P
HCD-EC98P
28
28
R150
R149
R148
R108
R154
R153
C148
C1
10
C109
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
C30
9
C20
5
C207
C307
R303
C133
R111
R112
C115
R21
1
Q30
1
R301
C204
C202
C206
C306
R212
C401
C130
X102
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)
TP121
(RFI)
1
25
26
50
51
75
76
100
1
21
M
MAIN
BOARD
CN608
16
1
1-872-135-
11
(11)
1-872-135-
11
(11)
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
E
(LIMIT)
M401
(SPINDLE)
M402
(SLED)
M
M
6-3. PRINTED WIRING BOARD - CD Board -
• See page 27 for Circuit Boards Location.
(Page 30)
•
: Uses unleaded solder.
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