Sony HCD-DX80 Service Manual ▷ View online
34
34
HCD-DX80
6-13. SCHEMATIC DIAGRAM – PANEL/VIDEO SWITCH Board –
• See page 31 for Waveform.
• See page 47 for IC Pin Function Description.
• See page 44 for IC Block Diagram.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
(Page 36)
(Page 36)
(Page 29)
35
35
HCD-DX80
6-14. PRINTED WIRING BOARDS – PANEL/VIDEO SWITCH 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.
Ref. No.
Location
D608
A-10
D609
B-2
D610
B-3
D611
D-6
D612
B-2
D613
A-2
D614
A-2
D615
B-2
D616
B-2
D617
C-2
D618
C-2
IC601
B-6
IC602
F-3
IC603
B-3
IC616
C-3
IC722
G-9
Q601
B-2
Q602
A-2
Q603
B-2
Q604
C-2
Q605
A-10
Q721
E-8
• Semiconductor
Location
PANEL BOARD
CD
D613, 614
S603
TUNER/BAND
D609, 612
S604
MD (VIDEO)
D617, 618
S601
MAIN BOARD
CN401
TAPE A/B
D615, 616
S602
E
30
29
1
2
1
2
4
3
7
6
PHONES
J631
9
10
1
18
E
E
E
E
1
3
3
2
1
8
1
(FOR CHECK)
9
1
J
PAD SWITCH BOARD
NO605
S601 – 606
5
1
10
15
20
25
30
35
40
45
50
55
60
66
70
1
30
31
50
51
80
81
100
FLUORESCENT INDICATOR TUBE
1
9
K
CD-SW BOARD
NO603
E
1
4
8
5
E
GAME
VIDEO
AUDIO
GAME INPUT
L
R
D608, S605
MIC
(EXCEPT BR)
J722
J601
MIC
LEVEL
RV722
SURROUND
SPEAKER MODE
S606
6
5
4
3
7
2
1
1-680-261-
11
(11)
1
2
3
D620
D619
1
1-680-892-
11
(11)
VIDEO OUT
J401
VIDEO SWITCH BOARD
2 1
(CHASSIS)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
(Page 37)
(Page 30)
(Page 37)
36
36
HCD-DX80
6-15. SCHEMATIC DIAGRAM – CD SWITCH/PAD SWITCH Board –
(Page 34)
(Page 34)
• Voltages are dc with respect to ground under no-signal
(detuned) conditions.
no mark : FM
no mark : FM
37
37
HCD-DX80
PAD SWITCH BOARD
VOLUME
S751
ROTARY ENCODER
9
1
J
PANEL BOARD
NO604
S752 – 758,
S760 – 765,
S760 – 765,
S768 – 781
E
E
PLAY MODE
MOVIE EQ
SURROUND
GROOVE
ENTER
ENTER
G
>
.
X
g G
x
g
f
F
EDIT
SPECTRUM
DISPLAY
MUSIC EQ
GAME EQ
KARAOKE PON
P FILE
REPEAT
1-680-262-
11
(11)
EFFECT
ON/OFF
ON/OFF
>
+
.
–
REC
PAUSE/START
D751, S764
CD SYNC
HI-DUB
CD-SW BOARD
E
(CD)
Z
DISC SKIP/
EX-CHANGE
OPEN
CLOSE
CLOSE
DISC 3
D793, S793
DISC 1
D791, S795
DISC 2
D792, S794
E
E
E
D794, S796
9
1
K
PANEL BOARD
NO602
I/1
S791 – 796
1-680-263-
11
(11)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
6-16. PRINTED WIRING BOARDS – CD SWITCH/PAD SWITCH 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.
Ref. No.
Location
D751
F-3
D752
C-4
D791
A-7
D792
A-5
D793
A-4
D794
A-10
Q751
D-2
Q752
C-2
Q791
A-8
Q792
B-8
Q793
A-3
Q794
B-10
• Semiconductor
Location
(Page 37)
(Page 35)
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