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Model
HCD-EX6 HCD-EX6T HCD-EX8 HCD-EX8T HCD-EX9 HCD-EX9T MHC-EX6 MHC-EX6T MHC-EX8 MHC-EX8T MHC-EX9 MHC-EX9T
Pages
66
Size
3.51 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-ex6-hcd-ex6t-hcd-ex8-hcd-ex8t-hcd-ex9-hcd-ex9t.pdf
Date

Sony HCD-EX6 / HCD-EX6T / HCD-EX8 / HCD-EX8T / HCD-EX9 / HCD-EX9T / MHC-EX6 / MHC-EX6T / MHC-EX8 / MHC-EX8T / MHC-EX9 / MHC-EX9T Service Manual ▷ View online

HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
33
33
• See page 41 for IC Block Diagrams.
6-14.  SCHEMATIC  DIAGRAM  – MAIN-AMP Section (2/2) –
9
I
L
3
F
8
A
6
E
D
7
C
2
11
12
G
J
H
5
4
K
10
B
1
BOARD
PANEL
CN301
J
DECK
CN502
BOARD
E
CN303
PANEL
BOARD
D
CN551
G
BOARD
USB-JACK
(1/2)
BOARD
MAIN-AMP
1
IC B/D
IC B/D
IC B/D
(EX6T/EX8T/EX9T)
EX6/EX8/EX9
EX6T/EX8T/EX9T
(EX6T/EX8T/EX9T)
(EX6/EX8/EX9)
0
8.2
0.6
0
0.7
0.7
0
3.5
3.5
3.5
3.6
3.5
3.6
3.5
3.6
3.6
3.6
3.6
3.3
3.5
3.3
3.5
3.3
3.5
3.6
3.5
7.3
3.5
3.1
3.5
3.1
3.5
3.5
9
9
-31.5
-33.8
33.6
0
0
0
0
31.4
0
0
2
0
0
0
0
0
0
33.6
0
-31.5
-33.8
31.4
0
0
0
2
0
0
2.3
5.4
9
1.7
1.7
1.1
4.4
3.8
9
3.6
0
3
9
0
0
0
0
0
0
3.5
EX6T/EX8T/EX9T
EX6T/EX8T/EX9T
EX6/EX6T
EX9/EX9T
EX6/EX6T
EX6/EX6T
EX9/EX9T
EX6/EX6T/
EX9/EX9T
0
0
0
0
EX9/EX9T
EX9/EX9T
EX9/EX9T
*1
(EX9/EX9T)
(EX6/EX6T)
*2
(EX6/EX6T)
(EX8/EX8T/EX9/EX9T)
*4
(EX8/EX8T/EX9/EX9T)
(EX6/EX6T)
*3
(EX8/EX8T/EX9/EX9T)
(EX6/EX6T)
*5
(EX6/EX6T)
(EX9/EX9T)
*6
(EX6/EX6T)
(EX9/EX9T)
*8
(EX6/EX6T)
(EX9/EX9T)
*7
(EX9/EX9T)
(EX6/EX6T)
*9
(EX6/EX6T)
(EX9/EX9T)
*10
(EX6/EX6T)
(EX9/EX9T)
*4
*3
*3
*2
*2
*10
*5
*7
*6
*8
*1
*9
EX6/EX6T
IC202
IC201
IC601
C642
100
R641
50V
1
C637
50V
1
C638
220
R643
220
R642
50V
10
C643
1
C602
C614
1
C613
1
1
C601
1
C609
1000p
C611
1000p
C612
C620
1
C619
1
2SC3052F-T1-LF
Q602
REC MUTE
2SC3052F-T1-LF
Q601
REC MUTE
R617
4.7k
R618
4.7k
R614
10k
R613
10k
50V
1
C617
50V
1
C618
50V
1
C605
50V
1
C606
TP623
TP621
TP620
TP619
TP618
TP617
TP616
TP615
TP614
TP691
TP692
TP693
TP694
TP695
TP696
22k
R611
22k
R612
4.7k
R601
4.7k
R602
C603
220p
1
2
3
4
5
6
7
8
9
9P
CN605
7V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
M9V
I-TP-STATE
47
R118
47
R117
100
R638
100
R637
2SC3052F-T1-LF
Q652
SUBWOOFER
BAND-P
ASS FIL
TER
2SC3052F-T1-LF
Q653
SUBWOOFER
BAND-PASS FILTER
2SC3052F-T1-LF
Q654
SUBWOOFER
BAND-PASS FILTER
50V
C651
10
16V
C650
100
50V
C657
1
C652
0.01
C656
0.047
R655
100k
R662
100k
R664
1k
R665
10k
R666
10k
R667
1k
R659
1.5k
0.047
C626
0.047
C624
0.047
C625
0.047
C623
22k
R624
22k
R623
0.022
C630
5.6k
R631
5.6k
R632
4.7k
R633
4.7k
R634
2W
470
R110
2W
470
R109
C607
1000p
C604
220p
C608
1000p
R616
2.7k
R615
2.7k
C622
C621
R622 15k
R621 15k
C631
C632
0.068
C633
0.068
C634
5.6k
R635
5.6k
R636
C636
4700p
C635
4700p
0
R663
2SC3052F-T1-LF
Q609
TAPE POWER CONTROL
R873
10k
R871
10k
KTA1266GR-AT
Q607
TAPE POWER CONTROL
R872
4.7k
R874
10k
1
C610
R651
680
R661
47k
0
R652
2SC3052F-T1-LF
Q651
SUBWOOFER
BAND-PASS FILTER
1k
R657
0.022
C658
1k
R656
C653
0.22
C654
0.22
R660
4.7k
R654
56k
R650
1k
1000p
C644
3300p
C645
C655
0.22
2.2k
R658
470
R208
6.2k
R202
22k
R243
MA2J1110GLS0
D240
47k
R206
47k
R225
R221
2.2k
R255
R251
C206
100p
C241
0.1
R203
22k
R244
1.2k
R242
50V
1
C221
22k
R253
220
R263
R223
C263 0.1
3p
C231
47k
R231
2W
0.22
R216
2W
0.47
R237
C264
0.1
25V
47
C233
2.2k
R245
220
R264
1.5k
R250
470p
C223
1.5k
R213
MC2838-T1
12-1
D241
2SA2026
Q251
OVERLOAD DETECT
C251
0.1
C225
100p
47k
R212
1.2k
R241
R201
2W
0.47
R235
10k
R204
2SA2026
Q241
OVERLOAD DETECT
0.1
C290
2SA2026
Q242
OVERLOAD DETECT
470
R207
220
R261
47k
R211
3p
C211
R227
C205
100p
220
R262
3p
C212
C242
0.1
1k
R290
1.5k
R214
50V
1
C202
2W
0.22
R215
0.1
C261
MA2J1110GLS0
D251
50V
1
C201
47k
R205
2.2k
R246
50V
100
C268
50V
C267
100
1.5k
R233
470p
C641
C615
220p
C616
220p
1
6
5
4
3
2
11
10
9
8
7
12
16
15
14
13
19
18
17
STK433-320-E
IC201
3CH POWER AMP
-PRE
-VCC
+VCC
SWO+
SWO-
LO+
LO-
+PRE
SUB
GND
SWIN+
SWIN-
ST
-BY
LIN-
LIN+
RIN+
RIN-
RO+
RO-
22k
R671
22k
R672
25V
47
C213
25V
47
C214
4.7k
R609
4.7k
R610
0.1
C262
0
R605
0
R606
TP697
TP631
TP632
TP633
TP634
TP635
TP636
TP610
TP611
TP612
TP613
C203
0.01
C204
R291
100
C291
4700p
1
2
3
4
5
6
7
8
9
CN604
9P
AUDIO-L
A-GND
AUDIO-R
HP-GND
HP-L
HP-R
SP-RELAY
HP-SW
GND
32
31
30
29
28
27
1
2
3
4
5
6
26
25
24
7
8
9
23
22
21
20
10
11
12
19
18
17
13
14
15
16
BD3491FS-SE2
IC601
ELECTRICAL
VOLUME,
INPUT
SELECTOR
B1
B2
TC-R
TC-L
TUNER-R
TUNER-L
CD/USB-R
CD/USB-L
PC-IN-R
PC-IN-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
A2
A1
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
STK433-070GN-E
IC202
2CH POWER AMP
R210
0
2W
R236
0.22
3300p
C237
3300p
C238
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
19P
CN603
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN602
CD-M-GND
M-GND
9V
CD/USB-R
CD-A-GND
CD-A-GND
CD-A-GND
CD/USB-L
D-GND
O-FUNC-CLK
O-FUNC-DATA
I-LEVEL
I-TU-DO
I-TU-ANSD
O-TU-CLK
O-TU-DI
O-TU-CE
O-SP-RELAY/TP-ON
O-POWER
O-TP-REC-MUTE
I-TP-STATE
BUS1
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
17
18
19
20
50V
C266
10
50V
C265
10
O-POWER
3STATE-OUT
HP-SW
3STATE-OUT
O-SP-RELAY/O-TP-ON
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
I-LEVEL
O-POWER
O-SP-RELAY/TP-ON
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
I-LEVEL
O-FUNC-DATA
O-FUNC-CLK
D-GND
CD/USB-L
CD-A-GND
CD-A-GND
CD-A-GND
CD/USB-R
9V
M-GND
CD-M-GND
MAIN-AMP BOARD (2/2)
+PRE
ST
-BY
OUT_CH1+
-PRE
OUT_CH1-
+VCC
IN_CH2
IN_CH1
GND
SUB
NF_CH1
NF_CH2
OUT_CH2-
-VCC
OUT_CH2+
C203
0.01
470p
C621,622
1500p
2200p
C631,632
0.1
6800p
C642
100 16V
220 16V
R201
1.8k
6.2k
R203
2.2k
10k
R223
2.2k
22k
R221
220
1.8k
R227
470
0
R251
1.2k
1.5k
(Page 36)
(Page 29)
(Page 29)
(Page 30)
(Page 32)
Ver. 1.2
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
34
34
• 
 : Uses unleaded solder.
• See page 18 for Circuit Boards Location.
6-15.  PRINTED  WIRING  BOARD  – POWER SUPPLY Section –
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
PT-POWER BOARD
11
(11)
1-881-328-
F
PANEL
BOARD
CN306
H
MAIN-AMP
BOARD
CN611
(EX6/EX6T/EX8/EX8T)
I
MAIN-AMP
BOARD
CN601
(EX9/EX9T)
1
-2
-1
3
1
13
1
2
10
11
1
10
B   C   E
B   C   E
1
4
58
R018
R019
CN001
R020
R021
R022
R023
R024
R025
R026
R027
R028
R029
CN010
LP001
(EX8/EX8T/EX9/EX9T)
CN01
1
CN012
R030
R031
R032
R033
R034
R035 R036
R037
R038
R039
C001
C005
C006
C010
C01
1
C012
C013
C014
R050
R051
R052
C017
R053
C018
R054
C019
R055
R057
R058
R059
C020
C021
C022
C023
R060
S001
R061
R062
R063
R064
R066
R067
R068
R069
R070
R071
R072
R073
R074
R075
R076
R077
R
Y001
(MX)
R
Y002
(EXCEPT
 MX)
AC IN ~
C050
C051
C053
C054
JW001
+
~
~
C055
JW002
EX6/EX6T/
EX8/EX8T
EX6/EX6T/
EX8/EX8T
EX8/EX8T/
EX9/EX9T
EX6/EX6T/
EX8/EX8T
EX9/EX9T
EX9/EX9T
C056
JW003
JW004
JW006
JW007
JW008
JW009
D001
D002
PT005
POWER
TRANSFORMER
(MAIN)
(EX8/EX8T/EX9/EX9T)
PT004
POWER
TRANSFORMER
(MAIN)
(EX6/EX6T)
D003
S001
AR
MODEL
E2,E4,E51 MODEL
MX
MODEL
MX
MODEL
MX
MODEL
EXCEPT MX
MODEL
VOLTAGE
SELECTOR
230–
240V
220V
120V
PT001
POWER
TRANSFORMER
(SUB)
JW013
JW015
JW016
JW017
JW018
JW019
D010
C070
D011
D012
D013
D014
JW020
ET001
D015
JW021
D016
ET002
JW022
D017
JW023
D018
JW024
D019
JW025
JW026
JW027
JW028
JW029
D020
D021
D022
D023
D024
JW030
JW031
JW032
JW033
JW034
JW035
JW036
JW037
JW038
JW039
JW040
JW041
JW042
JW043
JW044
JW045
JW046
JW047
JW048
JW049
JW050
D050
IC050
TP011
TP012
TP013
TP014 TP015
TP016
TP017
TP018
TP019
TP020
TP021
TP022
TP023
Q001
Q01
1
Q012
Q013
E C B
E C B
E C B
E C B
E C B
W001
W002
Q050
Q051
Q052
Q053
Q054
R001
R002
R003
R004
L050
R005
R006
R009
R013
R014
R015
R016
R017
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
E C B
E C B
(EX9/EX9T)
A001
(EX9/EX9T)
(EX6/EX6T)
JW012
(EX6/EX6T)
JW011
(EX6/EX6T)
(EX8/EX8T/
EX9/EX9T)
(Page 31)
(Page 31)
(Page 28)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
35
35
6-16.  SCHEMATIC  DIAGRAM  – POWER SUPPLY Section –
• See page 42 for IC Block Diagram.
1
H
4
10
7
5
13
B
F
6
E
3
A
D
8
12
9
C
G
14
2
11
BOARD
CN306
F
H
MAIN-AMP
CN611
PANEL
BOARD
(1/2)
I
MAIN-AMP
CN601
(1/2)
BOARD
IC B/D
15.5
0.3
0.7
0.5
2.5
0.5
0.5
5
5
0.7
5
15.5
15.4
5
15.5
0.7
15.4
0
0
15.4
*
0
*
0.3
4.3
0.8
4.5
0
0
EX9/EX9T
EX9/EX9T
EX6/EX6T
EX6/EX6T
EX6/EX6T/EX8/EX8T
EX6/EX6T/EX8/EX8T
EX8/EX8T/EX9/EX9T
EX6/EX6T
EX8/EX8T/EX9/EX9T
EX6/EX6T/EX8/EX8T
EX9/EX9T
(EX6/EX6T/
 EX8/EX8T)
(EX9/EX9T)
MX MODEL
MX MODEL
AR MODEL
E2,E4,E51
MODEL
E2,E4,E51 MODEL
MX MODEL
MX MODEL
EXCEPT
MX
MODEL
EXCEPT
MX
MODEL
EX8/EX8T/EX9/EX9T
*2
(EX8/EX8T/EX9/EX9T)
(EX6/EX6T)
*1
(EX8/EX8T/EX9/EX9T)
(EX6/EX6T)
*3
(EX6/EX6T)
(EX8/EX8T/EX9/EX9T)
(EX6/EX6T)
*1
*1
*2
*2
*3
*3
(EX8/EX8T/
EX9/EX9T)
PT-POWER BOARD
E
ET002
JW006
~
~
D10XB60 F
D010
RECT
TP017
TP016
RY001
RELAY
10k
R072
2.2
R068
2SC3052F-T1-LF
Q050
POWER CONTROL
MC2838-T112-1
D002
RECT
8
7
6
5
4
3
2
1
NJM2368V(TE2)
IC050
DC-DC CONVERTER
IN-
FB
GND
OUT
V+
CS
CT
REF
R013
33k
470
R077
KTA1273-Y-AT
Q052
1000p
C051
47k
R037
1
2
3
4
5
6
7
8
9
10
10P
CN012
DC-DET
PROTECT
9V
AU-GND
UNREG
-B
+B
PA-GND
L-GND
R-GND
3.3k
R061
MC2836-T112-1
D020
R055
100k
MA2J1110GLS0
D024
1N5402-C532-2
D011
RECT
R018
10k
10V
100
C023
56k
R001
2.2
R067
50V
4.7
C018
C014
TP023
R017
10k
1
C019
0
R009
ISA1235AC1TP-1EF
Q054
VOLTAGE DETECT
10k
R006
1
C020
1
3
4
5
6
7
8
9
2
PT001
POWER TRANSFORMER(SUB)
C012
ISA1235AC1TP-1EF
Q013
PROTECT DETECT
1
3
3P
CN001
LIVE
NEUTRAL
C055
470p
R019
10k
R021
4.7k
C054 4700p
TP018
TP020
47k
R053
C013
0.1
C070
KTA1273-Y-AT
Q051
SWITCHING REGULATOR
SWITCHING REGULATOR
0.022
C006
TP013
2.2
R069
3.3k
R060
E
ET001
R024
100
TP019
JW001
470
R057
C001
0.1
R054 10k
JW002
1N4002-A2
D018
MC2838-T112-1
D003
50V
3.3
C005
330k
R052
4.7k
R039
2SC3052F-T1-LF
Q012
PROTECT DETECT
16V
470
C053
S001
27k
R002
JW013
MA2J1
110GLS0
D021
2SC3052F-T1-LF
Q001
MAIN POWER
ON/OFF CONTROL
R032
47k
JW007
100uH
L050
470
R058
470
R076
100k
R071
R031
2.2k
25V
2200
C017
3.3k
R059
C022
0.22
10k
R035
Mount Mecha
HEAT SINK (DI)
424441551
A001
180k
R051
4.7k
R063
TP022
1N5402-C532-2
D014
RECT
D050
RB055L-40TE25
MA2J1110GLS0
D022
R023
100
68k
R074
560
R064
1N4002-A2
D017
JW003
PT004
POWER
TRANSFORMER
(MAIN)
3
11
12
13
14
5
10
2
4
6
TP012
10k
R036
MC2838-T112-1
D023
C011
R025
10k
220k
R034
10k
R050
22k
R038
TP015
RELAY
RY002
PT005
POWER
TRANSFORMER
(MAIN)
3
11
12
13
14
1
5
10
2
4
6
1N5402-C532-2
D013
RECT
JW012
R030
4.7k
1k
R075
4.7k
R005
C021
0.22
2SC3052F-T1-LF
Q011
PROTECT DETECT
1N4002-A2
D016
R016
R015
33k
2SC3052F-T1-LF
Q053
ON/OFF SWITCH
50V
10
C050
MC2836-T112-1
D001
RECT
JW004
6.3V
1000
C056
3.3
R070
R020
10k
R026
10k
1
2
3
4
5
6
7
8
9
10
11
12
13
13P
CN010
DC-DET
PROTECT
9V
AU-GND
UNREG
-B
-B
+B
+B
PA-GND
L-GND
R-GND
SW-GND
TP021
R028
4.7k
3.3k
R062
R014
Mount Mecha
153758461
LP001
2.2k
R003
R029
4.7k
100k
R033
25V
1000
C010
1N5402-C532-2
D012
RECT
TP011
JW008
1N4002-A2
D015
MC2838-T112-1
D019
10k
R073
2.2
R066
R022
4.7k
JW011
1
2
3
4
5
6
7
8
9
10
11
11P
CN011
CD-AVR
I-P-MONI
5V-ON
O-POWER
V-STBY
VBUSGND
VBUSGND
VBUSGND
VBUS5V
VBUS5V
VBUS5V
R027
4.7k
TP014
JW009
1k
R004
IC050
-2
-1
1
*
*
*
(CHASSIS)
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
220V
SELECTOR
VOLTAGE
230-240V
120V
AC IN ~ 
(CHASSIS)
C011,012
0.1 100V
0.1 50V
C013,014
3300 50V
2200 50V
R014,016
3.9k
10k
(Page 32)
(Page 32)
(Page 29)
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
HCD-EX6/EX6T/EX8/EX8T/EX9/EX9T
36
36
6-17.  SCHEMATIC  DIAGRAM  – TAPE DECK Section (HCD-EX6T/EX8T/EX9T) –
A
B
7
D
5
1
4
9
8
E
3
C
2
F
6
CN605
(2/2)
BOARD
MAIN-AMP
J
3.5
3.5
(EX6T/EX8T/EX9T)
3.6
3.6
3.6
7.3
3.6
3.6
7.2
3.6
3.6
3.3
3.6
3.3
0.3
0
0.3
0.3
0
0.3
(HCD-EX6T/EX8T/EX9T)
IC502
IC501
6
2
1
3
5
4
L501
BIAS OSC
S501
0
R515
100k
R511
100k
R513
150
R509
1000p
C517
100p
C509
220p
C511
0
R516
100k
R512
150
R510
100k
R514
220p
C512
100p
C510
47p
C525
47p
C526
2SC1740S-RT
Q501
OSC
2SC1740S-RT
Q502
OSC
2200p
C537
2200p
C536
2200p
C535
1
2
3
4
5
6
7
8
8P
CN501
9V
M-GND
SW
EH
VREF
Lch
COM
Rch
R540
47
R541
47
C539
1
R539
4.7
R537
10k
R538
10k
C538
0.01
R536
4.7k
R535
4.7k
R534
15k
R533
22k
R507
330k
R503
2.2k
C505
0.01
C503
2200p
C504
2200p
R504
2.2k
C506
0.01
R508 330k
2.2k
R501
2.2k
R502
16V
100
C501
R517
1k
R518
1k
C519
470p
C520
470p
C521
1
C522
1
R520
47k
R519
47k
R521
47k
R522
47k
C532
0.01
C531
0.01
R526
330k
R528
330k
R525
330k
R527
330k
R530
2.2k
R529
2.2k
R531
8.2k
R532
8.2k
C534
2200p
C533
2200p
50V
1
C513
50V
1
C514
TP501
TP502
TP504
TP503
TP505
TP506
TP508
TP509
TP507
16V
47
C516
16V
47
C515
1000p
C543
25V
22
C542
100
R543
100
R544
0.1
C545
0.1
C546
C527
470p
C528
470p
C530
330p
C529
330p
R523
3.3k
R524
3.3k
R505 15k
R506
15k
470
R545
470
R546
8
7
6
5
4
3
2
1
NJM4558V-TE2
IC502
REC AMP
GND
VCC
8
7
6
5
4
3
2
1
NJM4558V-TE2
IC501
PB AMP
GND
VCC
0.1
C524
0.1
C523
1000p
C547
1
2
3
4
5
6
7
8
9
9P
CN502
I-TP-STATE
M9V
M-GND
REC-Rch
REC-Lch
A-GND
PB-Rch
PB-Lch
7V
1000p
C548
1000p
C549
C540
4700p
250V
E
ET501
16V
100
C502
– +
+ –
+
+–
(CHASSIS)
(REC/PB)
-3
-4
-1
-2
PB
REC
DECK
TAPE
MECHANISM
DECK BOARD
(Page 33)
Page of 66
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