Sony HCD-GX250 / MHC-GX250 Service Manual ▷ View online
5
HCD-GX250
•
SERVICE POSITION -2 (BD80A BOARD)
BD80A board
CD mechanism deck
Remove the CD mechanism deck and place it on top of the pedestal as shown.
Inspect the BD80A bard in this set up.
Inspect the BD80A bard in this set up.
6
HCD-GX250
SECTION 2
GENERAL
Main unit
CD eg (9, 11, 14, 19, 20)
CD SYNC wj (19)
CD SYNC wj (19)
Deck A wk (18)
Deck B qj (18, 19, 20, 24)
DISC 1 – 3 q; (12, 14, 35)
Deck B qj (18, 19, 20, 24)
DISC 1 – 3 q; (12, 14, 35)
DISC SKIP/EX-CHANGE qs
(11, 12, 14, 19)
Disc tray 9 (11)
DISPLAY 2 (17, 27, 28)
DISPLAY 2 (17, 27, 28)
Display window 5
EFFECT ON/OFF 8 (22)
ENTER qa (14, 15, 22)
EFFECT ON/OFF 8 (22)
ENTER qa (14, 15, 22)
EQ BAND 7 (22)
GAME es (20, 23, 30)
GAME INPUT AUDIO L/R jacks
GAME es (20, 23, 30)
GAME INPUT AUDIO L/R jacks
wd (20, 29)
GAME INPUT VIDEO jack wf
(29)
GAME MIXING wh (23)
GROOVE 8 (21)
GROOVE 8 (21)
Operation Dial
(– EQ +/l L) 6 (12,
14, 19, 22)
14, 19, 22)
P FILE qd (22)
PHONES jack ql
PLAY MODE wl (12, 14, 18, 19,
PLAY MODE wl (12, 14, 18, 19,
20, 35)
PRESET EQ qd (22)
REC PAUSE/START wj (19, 20,
REC PAUSE/START wj (19, 20,
23, 24)
Remote sensor 4
SURROUND 8 (23)
TAPE A/B ed (18, 19, 20, 24)
TUNER/BAND ef (15, 16, 20)
TAPE A/B ed (18, 19, 20, 24)
TUNER/BAND ef (15, 16, 20)
TUNING MODE wl (15, 16, 35)
TUNING + qh (15, 16)
TUNING – wg (15, 16)
TUNING + qh (15, 16)
TUNING – wg (15, 16)
VOLUME control w; (21)
?/1 (power) 1 (8, 16, 27, 30, 33,
35)
X (pause) wg (12, 19)
Z (eject) qf (11)
PUSH Z (deck B) (eject) qg (18)
x (stop) wg (12, 19, 24, 35)
M (fast forward) qh (12, 19)
H
Z (eject) qf (11)
PUSH Z (deck B) (eject) qg (18)
x (stop) wg (12, 19, 24, 35)
M (fast forward) qh (12, 19)
H
(play) qh (12, 18, 19)
m (rewind) wg (12, 19)
Z PUSH (deck A) (eject) e; (18)
Z PUSH (deck A) (eject) e; (18)
List of button locations and reference pages
How to use this page
Use this page to find the location of buttons and other
parts of the system that are mentioned in the text.
parts of the system that are mentioned in the text.
Illustration number
r
TAPE A/B ed (18, 19, 20, 24)
R
R
Name of button/part
Reference page
ALPHABETICAL ORDER
A – O
P – Z
BUTTON DESCRIPTIONS
ALBUM
ALBUM
TUNING
TUNING
J
H
h
S
j
s
wd
1 2
45 6
78 9
q;
qf
qa
qs
qd
w;
ql
qg
qh
qk
wf
wg
wh
wk
wj
wl
es
ef
ed
eg
e;
qj
7
HCD-GX250
Remote control
CD qk (11, 14)
CLEAR qg (14)
CLEAR qg (14)
CLOCK/TIMER SELECT 2
(26, 27)
CLOCK/TIMER SET 3 (10, 25,
26)
DISC SKIP q; (12, 14)
DISPLAY wa (17, 27, 28)
ENTER 9 (10, 14, 15, 25, 26)
EQ qf (22)
ENTER 9 (10, 14, 15, 25, 26)
EQ qf (22)
ALPHABETICAL ORDER
A – E
FM MODE 4 (17)
FUNCTION 6 (11, 14, 15, 16)
PLAY MODE w; (12, 14, 18)
REPEAT 4 (13)
PLAY MODE w; (12, 14, 18)
REPEAT 4 (13)
SLEEP ws (25)
TAPE qj
TUNER BAND 5 (15, 16)
TAPE qj
TUNER BAND 5 (15, 16)
TUNER MEMORY ql (15)
TUNING MODE w; (15, 16)
VOLUME +/– qs (21, 25)
TUNING MODE w; (15, 16)
VOLUME +/– qs (21, 25)
F – Z
?/1 (power) 1 (8, 26)
m/M (rewind/fast forward)
m/M (rewind/fast forward)
7 (12, 19)
–/+ (tuning) qh (15)
./> (go back/go forward)
./> (go back/go forward)
qh (10, 12, 19)
N (play) 8 (12, 18)
X (pause) 8 (12, 19)
x (stop) 8 (12, 19)
X (pause) 8 (12, 19)
x (stop) 8 (12, 19)
BUTTON DESCRIPTIONS
4
5
6
7
8
9
q;
ws
1
qg
qf
wa
w;
ql
qk
qj
qh
qs
3
2
Use buttons on the remote for the operation.
1
Press
?/1
to turn on the system.
2
Press CLOCK/TIMER SET.
3
Press
.
or
>
repeatedly to set the
hour.
4
Press ENTER.
5
Press
.
or
>
repeatedly to set the
minute.
6
Press ENTER.
The clock starts working.
To adjust the clock
1
Press CLOCK/TIMER SET.
2
Press
.
or
>
repeatedly to select
“CLOCK SET”, then press ENTER.
3
Do the same procedures as step 3 to 6
above.
above.
Notes
The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
Setting the clock
8
HCD-GX250
SECTION 3
DISASSEMBLY
Note:
Disassemble the unit in the order as shown below.
3-1.
COVER (TOP)
(Page 9)
3-2.
CD DOOR
(Page 9)
3-3.FRONT PANEL SECTION
(Page 10)
3-8.POWER TRANSFORMER
(Page 12)
3-7.BACK PANEL SECTION,
SUB-TRANS BOARD
(Page 12)
3-4.CD MECHANISM DECK
(CDM74-K6BD80)
(Page 10)
3-14.OPTICAL PICK-UP
(KSM-215DCP/Z-NP)
(Page 15)
3-5.TAPE MECHANISM DECK,
GAME JACK BOARD
(Page 11)
3-13.DRIVER BOARD,
SW BOARD
(Page 15)
3-16.MOTOR (TB) BOARD
(Page 16)
3-17.MOTOR (LD) BOARD
(Page 17)
3-15.SENSOR BOARD
(Page 16)
3-11.BD80A BOARD
(Page 14)
3-6.PANEL BOARD
(Page 11)
3-9.MAIN BOARD
(Page 13)
3-10.AMP BOARD
(Page 13)
3-12.CONNECT BOARD
(Page 14)
SET
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