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7

Tape mechanism deck

CN301

CN303

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-7B

9

BASS wd (40)
CD EJECT Z qh (8, 9, 16, 50)
CD x qj (9, 10, 17, 38)
CD u qk (9, 10)
DSG wh (40)
ENTER/START 5 (17, 18, 38,

39)

FUNCTION wf (9, 10, 13, 14, 19,

22, 23, 37, 39, 43)

MD EJECT Z ql (13, 24)
MD REC z qg (19, 22, 23)
MD u qd (13 – 15, 19)
MD x qf (13, 15, 17 – 20, 38,

39)

PHONES jack wa
PLAY MODE DIRECTION wj

(9, 10, 13 – 15, 24, 37 – 39)

PUSH OPEN/CLOSE Z 6 (37)
REC MODE 3 (20, 50)
Remote sensor 1
REPEAT 2 (9, 13, 34)
STEREO/MONO 2 (35)
SYNCHRO 4 (17, 18, 38)
TAPE REC z 0 (39)
TAPE Y 7 (37 –39)
TAPE x 8 (18, 37 – 39)
TAPE X 9 (37, 39)

1

2

5

8

6

3

4

7

wa

qj

qk

ql

w;

9

q;

qd

qf

qg

qa

qs

qh

wf

wh

wd

wg

wj

ws

TREBLE ws (40)
TUNER BAND qs (34, 35, 50)
TUNING MODE wj (34, 35)
TUNING –/+ qa (34, 35)
VOLUME w; (41)

. > qa (9, 10, 13 – 15)
m M qa (9, 13, 37)
@/1 (power) wg (7, 16, 24, 35, 41,

43, 50)

10

BASS/TRE 5 (40)
CD qj (9 – 11)
CLEAR 8 (10, 14, 15, 25, 36)
CLOCK/TIMER SELECT 2

(42, 43)

CLOCK/TIMER SET 4 (7, 41,

42)

CURSOR T/t 9 (7, 12, 25)
DISPLAY wa (8, 10, 11, 15, 19,

36)

DSG qf (40)
ENTER/YES 6 (7, 10, 12, 14,

20 – 23, 25 – 34, 36, 41 – 43)

FUNCTION qg (9, 10, 13, 14, 19,

22, 23, 37, 39, 43)

MD qk (13, 14, 25, 27 – 30, 32)
MENU/NO wf (12, 21 – 24, 26 –

34)

NAME EDIT/SELECT wd (11,

12, 24, 25, 36)

Number buttons 7 (9, 10, 12, 14,

15, 25, 35)

PLAY MODE wh (9, 10, 13 – 15,

24, 32)

REPEAT wg (9, 13)
SCROLL ws (12, 15, 26)
SLEEP 1 (40)
TAPE qh
TUNER BAND ql (34, 35)
VOLUME +/– qd (41)

qh

qk

qg

qj

ql

w;

wa

ws

wh

wg

wf

wd

8

5

6

4

9

0

qa

qs

qd

qf

7

1 2 3

@/1 (power) 3 (7, 16, 24, 35, 41,

43)

m M 9 (28, 30)
. > 0 (7, 11, 12, 21 – 23,

25 – 34, 40 – 42)

N qa (9, 10, 13, 15, 23)
x qs (23)
X w; (9, 13, 28)

If you are setting the clock for the first time,
go to step 5.

.

>

The hour indication flashes.

.

>

t

The minute indication flashes.

.

>

The clock will begin operating.

Start over from step 1.