DOWNLOAD Sony CMT-M100MD / HCD-M10 Service Manual ↓ Size: 7.05 MB | Pages: 92 in PDF or view online for FREE

8

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.

GND : Ground
I+3V : For measuring Iop (Check the deterioration of the optical pick-up laser)
Iop

: For measuring Iop (Check the deterioration of the optical pick-up laser)

TE

: TRK error signal (Traverse adjustment)

VC

: Reference level for checking the signal

RF

: RF signal (Check jitter)

FE

: Focus error signal

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-7B4M

9

1

 Floating screw

3

 BU-K4BD43

2

 CD mechanism deck

4

 Rotate it in the 

     direction of the arrow 

A

. 

A

B

5

 Move it in the 

     direction of the arrow 

B

. 

6

 Clean the lens block 

     by cotton swab

Optical pick-up 

In cleaning the lens, do not apply an excessive force

   As the optical pick-up is vulnerable, application of
   excessive force could damage the lens holder.

In cleaning, do not use a cleaner other than exclusive

   cleaning liquid. (KK-91 or isopropyl alcohol)

Wipe the obujective lens spirally from center toward

    outside. (See Figure A)

(FIGURE A)

10

This section is extracted
from instruction manual.

3

1

6

7

qj

qh

qg

qf

4

8

9

0

qa

qs

qd

qk

ql

w;

wa

CD disc tray qs (9)
CD NX 3 (9, 11)
Cover qj
Display window 4
ENTER/START  qd (22, 24, 46,

47)

FM MODE qg (44)
FUNCTION wa (9, 11, 13, 15, 17,

18, 21, 25, 26, 31–39, 41, 46,
48, 53)

GROUP indicator 2 (18, 21, 22,

32–34)

MD insertion slot 5
MD NX 3 (15, 17, 18, 21, 25)

PHONES jack qk
PLAY MODE/DIRECTION qh

(9, 11, 13, 15, 17, 24, 30,
46–48)

REC MODE qd (26)
Remote sensor 6
REPEAT  qg (10, 16)
SYNCHRO MODE qd (22, 24,

46, 47)

TAPE  nN w; (46–48)
TUNER BAND ql (43, 44)
TUNING MODE qh (43, 44)
TUNING +/– 8 (44)
VOLUME +/– 0

?/1 (power) 1 (8, 20, 30, 43,

44, 50, 52)

Z PUSH OPEN/CLOSE 7 (46)
m/M 8 (10, 16, 37, 39, 43,

44, 46)

l/L 8 (10, 11, 13,

16–18, 26, 31, 33–38, 40, 41,
43)

x 

8 (10, 16, 21, 23–25, 29,

46–48)

Z MD 9 (15, 16, 20, 30)
Z CD qa (9, 10)
z MD qd (21, 25, 28, 40)
z TAPE qd (48)
X TAPE qf (46, 48)

5

2

11

ql

qj

wk

wg

wh

wj

wa

w;

ws

wd

wl

qk

wf

1

4

2

qd

qs

9

0

qa

5

6

7

qh

qg

qf

3

8

BASS/TRE 8 (49)
CD NX wd (9, 11)
CLEAR wa (11, 13, 17, 31, 45)
CLOCK/TIMER SELECT qg

(50, 52)

CLOCK/TIMER SET 2 (8, 50,

51)

CURSOR T/t 5 (8, 13, 31)
DISPLAY  ws (8, 11, 12, 17, 19,

21, 45)

DSG 9 (49)
ENTER/YES 4 (8, 11, 14, 17,

25, 26, 30, 33–35, 37, 38, 40,
41, 43, 45, 50, 51)

FM MODE qj (44)
FUNCTION qs (9, 11, 13, 15, 17,

18, 21, 25, 26, 31–39, 41, 46,
48, 53)

GROUP wl (18, 20, 22, 32–34)

GROUP SKIP qk (18, 22, 32, 34)
MD z 0 (21, 25, 28)
MD NX wj (15, 17, 18, 21, 25)
MENU/NO qf (14, 26, 30,

32–35, 37–41, 43)

NAME EDIT/SELECT 3 (13,

30, 32, 45)

Number buttons w; (10, 13, 16,

31, 44)

PLAY MODE  wg (9, 11, 13, 15,

17, 30)

REPEAT  wh (10, 16)
SCROLL wk (14, 19, 32, 33)
SLEEP qh (49)
TAPE  nN 7 (46–48)
TUNER BAND 6 (43, 44)
TUNING MODE ql (43, 44)
VOL +/– wf

@/1 (power) 1 (8, 20, 30, 43,

44, 50, 52)

m/M 5 (10, 16, 37, 39, 43,

44, 46)

x qa (10, 16, 21, 23–25, 29,

46–48)

./> qd (8, 10, 11, 13,

16–18, 26, 31, 33–38, 40, 41,
43, 49–51)

 –/+ qd (44)

This section is extracted
from instruction manual.