Sony HCD-DX80 Service Manual ▷ View online
30
30
HCD-DX80
6-10. PRINTED WIRING BOARD – MAIN Board –
• See page 23 for Circuit Boards Location.
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
MAIN BOARD
E
PANEL BOARD
CN601
F
LEAF SW BOARD
CN1001
(FOR CHECK)
31
50
51
80
81
100
30
1
E
E
E
E
E
E
E
E
3
1
O
HEAD (A) BOARD
CN1
P
HEAD (B) BOARD
CN2
8
1
3
1
2
3
1
2
1
9
1
3
2
E
E
E
E
6
4
1
3
E
1
3
2
E
E
S
E
E
S
1
3
2
1
3
(FOR ADJUSTMENT)
E
E
E
E
E
13
1
13
1
3
1
3
1
3
1
G
POWER AMPLIFIER BOARD
CN503
H
POWER AMPLIFIER BOARD
CN502
22
21
42
1
E
3
1
E
E
B
E
E
1
2
3
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
4
8
5
1
13
2
12
1
2
3
1
2
3
4
FE1
FM FRONT-END
1
2
3
E
A
DRIVER BOARD
CN701
B
BD BOARD
CN101
OPTICAL
CD DIGITAL OUT
SYSTEM
CONTROL
FM 75
Ω
COAXIAL
ANTENNA
AM
R
L
CN101
MD/VIDEO
(AUDIO)
J101
TO SATELLITE AMPLIFIER
(TA-DX80)
+
+
–
–
TM1
IN
L
R
L
R
SPEAKER
RB41
AM FRONT-END
AM FRONT-END
M
M961
(FAN)
(FAN)
TM801
IMPEDANCE
USE 6~16
Ω
1
3
2
(CHASSIS)
–1
–2
1-680-268-
11
(11)
(EXCEPT SP)
A
B
C
D
E
F
G
H
I
J
K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
(Page 35)
(Page 39)
(Page 39)
(Page 39)
(Page 33)
(Page 33)
(Page 41)
(Page 25)
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D51
A-12
D508
D-2
D509
D-4
D510
E-4
D511
D-2
D575
E-4
D576
E-4
D577
E-4
D578
E-4
D579
E-4
D580
D-4
D801
I-12
D822
G-11
D824
G-11
D841
I-12
D861
I-9
D892
H-13
D893
H-13
D901
I-10
D902
I-10
D903
I-10
D904
I-10
D906
I-10
D907
I-10
D908
I-10
D909
I-11
D910
J-7
D911
J-7
D912
G-10
D920
I-7
D921
I-7
D922
I-8
D952
H-7
D953
H-7
IC11
D-12
IC51
B-11
IC101
E-8
IC102
D-6
IC104
C-7
IC105
E-10
IC106
D-9
IC201
B-13
IC202
B-10
IC301
G-6
IC302
H-5
IC303
F-4
IC304
H-4
IC501
C-3
IC502
E-4
IC701
F-12
IC911
C-9
IC921
H-9
IC951
H-7
IC961
H-8
Q1
C-11
Q2
A-12
Q11
D-11
Q12
D-11
Q101
D-7
Q102
D-6
Q103
I-8
Q104
E-9
Q141
E-5
Q151
D-7
Q152
D-7
Q153
I-8
Q301
I-5
Q302
I-5
Q303
I-5
Q304
I-5
Q305
I-6
Q391
E-2
Q392
E-2
Q393
E-3
Q394
E-2
Q395
E-3
Q396
E-3
Q397
E-2
Q503
E-6
Q504
F-8
Q505
G-8
Q575
E-4
Q821
G-12
Q822
G-12
Q823
G-12
Q824
I-12
Q825
H-12
Q828
G-11
Q829
G-11
Q831
H-12
Q832
H-12
Q861
I-9
Q862
I-11
Q863
H-11
Q891
G-12
Q892
H-13
Q911
C-9
Q912
C-10
HCD-DX80
31
31
• Waveforms
– BD Board –
– BD Board –
1
IC101
ta
(RFAC) (CD Play mode)
6
IC601
is
(X OUT) (Stop mode)
1.1 Vp-p
– PANEL Board –
3.5 Vp-p
4 MHz
– MAIN Board –
2
IC501
qa
(XC OUT) (Stop mode)
3.1 Vp-p
32.768 kHz
2
IC101
ra
(TE) (CD Play mode)
Approx.
0.4 Vp-p
0.4 Vp-p
3
IC501
qd
(X OUT) (Stop mode)
3.8 Vp-p
16 MHz
3
IC101
el
(FE) (CD Play mode)
Approx.
0.3 Vp-p
0.3 Vp-p
1
IC51
ws
TUNER (FM)
4.3 Vp-p
4.5 MHz
4
T301
4
(DECK-B REC mode)
128 Vp-p
80 kHz
5
NO303
3
(L-REC),
6
(R-REC)
(DECK-B REC mode)
52 Vp-p
80 kHz
4
IC101
wh
(MDP)
2.5 Vp-p
7.5
µ
s
MEMO
32
32
HCD-DX80
6-11. SCHEMATIC DIAGRAM – POWER AMP/SENSOR Board –
(Page 29)
(Page 42)
(Page 29)
(Page 42)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
no mark : FM
33
33
HCD-DX80
6-12. PRINTED WIRING BOARDS – POWER AMP/SENSOR Board –
• See page 23 for Circuit Boards Location.
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
D501
B-2
D502
C-2
D503
C-6
D504
C-6
D541
F-3
D543
F-5
D551
B-2
D581
C-5
D941
F-3
IC501
A-5
Q501
C-2
Q503
F-6
Q504
G-6
Q505
C-6
Q506
C-7
Q551
B-2
Q581
C-5
Q831
C-7
Q941
E-3
• Semiconductor
Location
Ref. No.
Location
POWER AMPLIFIER BOARD
SENSOR BOARD
E
E
1
13
1
13
H
MAIN BOARD
CN901
G
MAIN BOARD
CN902
1
3
M
SUB TRANS BOARD
NO976
L
MAIN TRANS BOARD
CN977
1
2
13
E
–
–
~
~
+
+
~
~
E
E
E
E
E
E
(CHASSIS)
(CHASSIS)
1-680-267-
11
(11)
1
2
1-681-143-
11
(11)
CN701
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
(Page 30)
(Page 30)
(Page 43)
(Page 43)
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