Sony CMT-C7NT / HCD-C7NT Service Manual ▷ View online
5
HCD-C7NT
SERVICE POSITION OF THE CD MECHANISM DECK
SERVICE POSITION OF THE MD MECHANISM DECK
STAND
BD (CD) BOARD
UCOM BOARD
CD MECHANISM DECK
(TN-CCD1001Z)
(TN-CCD1001Z)
CN101
CN204
BD (MD) BOARD
PANEL BOARD
AUDIO BOARD
MD DIGITAL BOARD
MD MECHANISM (MDM-7X2B)
UCOM BOARD
BD (CD) BOARD
CN102
CN203
CN204
CN101
CN201
CN601
CN222
CN1002
CN1003
CN1001
CN102
CN103
CN1004
CN1005
6
HCD-C7NT
JIG FOR CHECKING BD (MD) BOARD WAVEFORM
The special jig (J-2501-196-A) is useful for checking the waveform of the BD (MD) board. The names of terminals and the checking items
to be performed are shown as follows.
to be performed are shown as follows.
I+3V : For measuring Iop (Check the deterioration of the optical pick-up laser)
Iop
Iop
: For measuring Iop (Check the deterioration of the optical pick-up laser)
GND : Ground
TE
TE
: Tracking error signal (Traverse adjustment)
FE
: Focus error signal
VC
: Reference level for checking the signal
RF
: RF signal (Check jitter)
I+3V
CN105
Iop
TE
VC
GND
FE
RF
I+3V
Iop
GND
TE
FE
VC
RF
I+3V
Iop
GND
TE
FE
VC
RF
1
7
for MDM-7X2B
7
HCD-C7NT
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
4
Main unit
1
2
3
4
5
6
7
9 8
qs
0
qa
CD SYNC HIGH 8 (19, 60)
CD SYNC NORMAL 9 (19)
CD Z 2 (10, 60)
FUNCTION qs (9, 11, 13, 14, 16,
CD SYNC NORMAL 9 (19)
CD Z 2 (10, 60)
FUNCTION qs (9, 11, 13, 14, 16,
17, 19, 21–24, 26, 30–43, 50,
52)
52)
MD Z 6 (15, 19, 29, 53)
NET MD 7 (53)
REC/REC IT 9 (20, 21, 25, 26,
NET MD 7 (53)
REC/REC IT 9 (20, 21, 25, 26,
28, 50, 60)
Remote sensor 0
TUNING +/– 5 (42)
VOL +/– qa (46)
TUNING +/– 5 (42)
VOL +/– qa (46)
BUTTON DESCRIPTIONS
? 1
/
(power) 1 (7, 19, 29, 43, 46,
48, 53)
u 3 (9–11, 14–16, 19–21, 26,
28, 51)
x 4 (10, 11, 15, 16, 20–22, 26,
28, 51)
.>
5 (10, 11, 13, 15–17,
22–26, 30–41, 46–48)
m M 5 (10, 15, 36)
8
HCD-C7NT
5
Remote control
1 2
4
3
5
6
7
qa
qs
qd
qf
qg
qjqh
qlqk
w;
wa
ws
wd
wf
wg
wh
wj
wk
8
9
0
CD x qh (10, 11)
CD X ws (10)
CD N wd (9, 11, 21)
CLEAR 9 (11, 13, 16, 30, 44)
CLOCK/TIMER SELECT 6
CD X ws (10)
CD N wd (9, 11, 21)
CLEAR 9 (11, 13, 16, 30, 44)
CLOCK/TIMER SELECT 6
(47, 48)
CLOCK/TIMER SET 7 (8, 46,
47)
CURSOR T/t wh (8, 13, 30)
DBFB qf (45)
DISPLAY wk (8, 12, 17, 44)
ENTER/YES 8 (8, 11, 13, 14,
DBFB qf (45)
DISPLAY wk (8, 12, 17, 44)
ENTER/YES 8 (8, 11, 13, 14,
16, 21–26, 29–42, 44, 46, 47)
FM MODE qj (43)
FUNCTION w; (9, 11, 13, 14, 16,
FUNCTION w; (9, 11, 13, 14, 16,
17, 19, 21–24, 26, 30–43, 50,
52)
52)
GROUP ON/OFF wf (17, 27, 28,
30–34)
GROUP SKIP qs (17, 28, 31–33)
Letter/Number buttons wj (10,
Letter/Number buttons wj (10,
13, 15, 30, 43)
MD x qh (15, 16, 20–22, 26, 28,
51)
MD X ws (15, 26)
MD N wg (14, 16, 17, 19, 20)
MENU/NO q;
MD N wg (14, 16, 17, 19, 20)
MENU/NO q;
3
(13, 14, 22–26,
29, 31–42)
NAME EDIT/SELECT
(13,
29–31, 44)
PLAY MODE qk (9, 11, 13, 14,
16, 29, 40, 41)
PRESET EQ qg (45)
REPEAT qj (10, 15)
SCROLL 5 (12, 14, 18, 31)
SLEEP 1 (45)
TIME 2 (8, 11, 12, 16, 17)
TUNER BAND wa (42, 43)
TUNING MODE qk (42, 43)
TUNING +/– ql (42, 43)
VOL +/– qd (46)
REPEAT qj (10, 15)
SCROLL 5 (12, 14, 18, 31)
SLEEP 1 (45)
TIME 2 (8, 11, 12, 16, 17)
TUNER BAND wa (42, 43)
TUNING MODE qk (42, 43)
TUNING +/– ql (42, 43)
VOL +/– qd (46)
BUTTON DESCRIPTIONS
? 1
/ (power) 4 (7, 19, 29, 43, 46,
48, 53)
. >
qa (8, 10, 11, 13–17,
22–26, 30–41, 46–48)
–/+ qa (8, 46, 48)
m M
m M
wh (10, 15, 36, 38)
Setting the time
1
Turn on the system.
2
Press CLOCK/TIMER SET on the
remote.
remote.
If you are setting the clock for the first time,
go to step 5.
go to step 5.
3
Press – or + (
.
or
>
) on the
remote repeatedly until “CLOCK SET?”
appears in the display.
appears in the display.
4
Press ENTER/YES on the remote.
The day indication flashes.
5
Press – or + (
.
or
>
) on the
remote repeatedly to set the day, and
then press ENTER/YES or CURSOR
then press ENTER/YES or CURSOR
t
on the remote.
The hour indication flashes.
6
Press – or + (
.
or
>
) on the
remote to set the hour, and then press
ENTER/YES or CURSOR
ENTER/YES or CURSOR
t
on the
remote.
The minute indication flashes.
7
Press – or + (
.
or
>
) on the
remote repeatedly to set the minute,
and then press ENTER/YES on the
remote.
and then press ENTER/YES on the
remote.
If you made a mistake
Press TCURSOR or CURSORt on the
remote until the indication you wish to change
(day, hour, minute) flashes, and then change
the setting.
remote until the indication you wish to change
(day, hour, minute) flashes, and then change
the setting.
To reset the time
Start over from step 1.
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