Sony ZS-M35 (serv.man2) Service Manual ▷ View online
– 5 –
1-8. JIG FOR CHECKING BD BOARD WAVEFORM
The special jig (J-2501-149-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to
be performed are shown as follows.
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)
TEO : TRK error signal (Traverse adjustment)
VC
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)
TEO : TRK error signal (Traverse adjustment)
VC
: Reference level for checking the signal
RF
: RF signal (Check jitter)
CN110
RF
5P connector
6P connector
VC
TEO
IOP
I+3V
GND
Mechanism deck
RF
VC
TEO
VC
TEO
for MDM-3
for MDM-5
IOP
I+3V
I+3V
VC
RF
TEO
IOP
I+3V
GND
RF
TEO
IOP
I+3V
GND
VC
RF
TEO
IOP
I+3V
GND
1
5
1
6
– 6 –
1-9. CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS (FOR MD SECTION)
Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent.
Details of the procedures are described in “5 Electrical Adjustments”.
Details of the procedures are described in “5 Electrical Adjustments”.
• 0.9 mW power
Specified value : 0.84 to 0.92 mW
• 7.0 mW power
Specified value : 6.8 to 7.2 mW
lop (at 7mW)
• Labeled on the optical pickup
Iop value ± 10mA
• Error rate check
Specified value : For points a, b, and c
C1 error : About 200
ADER : Below 2
C1 error : About 200
ADER : Below 2
• Error rate check
Specified value:
a. When using test disc (MDW-74/AU-1)
a. When using test disc (MDW-74/AU-1)
C1 error : Below 80
ADER : Below 2
ADER : Below 2
b. When using check disc (TDYS-1)
C1 error : Below 50
• CPLAY error rate check
Specified value:
C1 error : Below 80
ADER : Below 2
C1 error : Below 80
ADER : Below 2
Laser power check
(6-1 : See page 26)
(6-1 : See page 26)
Focus bias check
(6-2 : See page 26)
(6-2 : See page 26)
C PLAY check
(6-3 : See page 26)
(6-3 : See page 26)
Self-recording/playback
check
(6-4 : See page 26)
check
(6-4 : See page 26)
Criteria for Determination
(Unsatisfactory if specified value is not satisfied)
(Unsatisfactory if specified value is not satisfied)
• Clean the optical pick-up
• Adjust again
• Replace the optical pick-up
• Adjust again
• Replace the optical pick-up
• Replace the optical pick-up
• Replace the optical pick-up
• Replace the optical pick-up
If always unsatisfactory:
• Replace the overwrite head
• Check for disconnection of the circuits around the
• Replace the overwrite head
• Check for disconnection of the circuits around the
overwrite head
If occasionally unsatisfactory:
• Check if the overwrite head is distorted
• Check the mechanism around the sled
• Check if the overwrite head is distorted
• Check the mechanism around the sled
Measure if unsatisfactory:
Note:
The criteria for determination above is intended merely to determine if satisfactory or not, and does not serve as the specified value for
adjustments.
When performing adjustments, use the specified values for adjustments.
adjustments.
When performing adjustments, use the specified values for adjustments.
1-10. CHANGE OF PULLEY
pulley
M102, 103
2.5 mm
Install the pulley to the motor.
– 7 –
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
Basic Operations
4
Playing a CD
Basic Operations
For hookup instructions, see pages 57 - 59.
1
Press Z PUSH OPEN/CLOSE
down to open the CD
compartment and place the CD
on the CD compartment.
down to open the CD
compartment and place the CD
on the CD compartment.
2
Close the lid of the CD
compartment.
compartment.
3
Press CD u (CD N on the
remote).
remote).
The player turns on (direct
power-on) and the player plays
all the tracks once.
power-on) and the player plays
all the tracks once.
With the label side up
Display
Playing
time
time
Track
number
number
1, 2
3
Basic Operations
Basic Operations
5
Use these buttons for additional operations
To
Press
adjust the volume
VOLUME +, –
(VOL +, – on the remote)
(VOL +, – on the remote)
stop playback
CD x
pause playback
CD u (CD X on the
remote)
Press the button again to
resume play after pause.
remote)
Press the button again to
resume play after pause.
go to the next track
>
go back to the previous track
.
remove the CD
Z
PUSH OPEN/CLOSE
turn on/off the player
POWER
Tip
Next time you want to
listen to a CD, just press
CD u. The player
turns on automatically
and starts playing the
CD.
listen to a CD, just press
CD u. The player
turns on automatically
and starts playing the
CD.
VOLUME –, +
CD u
.
, >
Z
PUSH
OPEN/CLOSE
CD x
POWER
Basic Operations
6
Recording a whole CD
(Synchronized recording)
Display
3
4
2
1
For hookup instructions, see pages 57 - 59.
1
Insert a recordable MD (direct
power-on).
power-on).
2
Press Z PUSH OPEN/CLOSE
and place the CD on the CD
compartment.
and place the CD on the CD
compartment.
Press Z PUSH OPEN/CLOSE
again to close the CD
compartment.
again to close the CD
compartment.
3
Press CD x.
With the label side up
With the label
side up
side up
After “TOC Reading” is
displayed, the disc name
will be displayed if it is
labeled.
displayed, the disc name
will be displayed if it is
labeled.
Insert in the direction of
the arrow
the arrow
5
Basic Operations
Basic Operations
7
To
Press
stop recording
MD x or CD x
turn on/off the player
POWER
If “CD>MD OK?” alternates with time display
There is not enough space on the MD to record the whole
CD.
If it is all right to record as much as possible and cancel
recording of some tracks, press YES•ENTER. To stop
recording, press NO•CANCEL.
If any other messages are displayed, see page 72.
There is not enough space on the MD to record the whole
CD.
If it is all right to record as much as possible and cancel
recording of some tracks, press YES•ENTER. To stop
recording, press NO•CANCEL.
If any other messages are displayed, see page 72.
MD x
Track number
of MD
of MD
YES
ENTER
ENTER
NO
CANCEL
CANCEL
4
To record at high speed, press
HIGH SPEED.
HIGH SPEED.
The indicator lights up.
To record at normal speed, skip this step.
5
Press SYNCHRO REC CD N
MD.
MD.
The player starts recording
automatically.
automatically.
If the MD has any previous
recording, recording will be
made from the last recorded
position.
recording, recording will be
made from the last recorded
position.
Remaining
recording
time of MD
recording
time of MD
Use these buttons for additional operations
CD x
Notes
•
After you
stop recording, do not
disconnect the AC
power cord or move
the player while “TOC
EDIT” is flashing in the
display. If you do so,
recording may not be
done properly.
disconnect the AC
power cord or move
the player while “TOC
EDIT” is flashing in the
display. If you do so,
recording may not be
done properly.
• When you record a
whole CD, you cannot
pause recording.
pause recording.
Tips
• Adjusting the volume or
• Adjusting the volume or
the audio emphasis
(page 49) will not affect
the recording level.
Keep the volume at a
moderate level so as to
prevent the sound from
skipping.
(page 49) will not affect
the recording level.
Keep the volume at a
moderate level so as to
prevent the sound from
skipping.
• To record over the
previous recording, see
page 33.
page 33.
• Once the clock is set, the
recording date and time
are stamped
automatically (page 50).
are stamped
automatically (page 50).
• You can label an MD or a
track during recording
(page 44).
(page 44).
POWER
– 8 –
Basic Operations
8
Playing an MD
For hookup instructions, see pages 57 - 59.
1
Insert the MD (direct power-on).
2
Press MD u (MD N on the
remote).
remote).
The player plays all the tracks
once.
once.
With the label
side up
side up
Display
Playing time
Track number
1
2
Insert in the direction of
the arrow
the arrow
After “TOC Reading” is
displayed, the disc name
will be displayed if it is
labeled.
displayed, the disc name
will be displayed if it is
labeled.
Track name is displayed
if it is labeled.
if it is labeled.
m
Basic Operations
Basic Operations
9
Use these buttons for additional operations
To
Press
adjust the volume
VOLUME +, –
(VOL +, – on the remote)
(VOL +, – on the remote)
stop playback
MD x
pause playback
MD u (MD X on the
remote)
Press the button again to
resume play after pause.
remote)
Press the button again to
resume play after pause.
go to the next track
>
go back to the previous track
.
remove the MD
Z
turn on/off the player
POWER
Tip
Next time you want to
listen to a MD, just press
MD u. The player
turns on automatically
and starts playing the
MD.
listen to a MD, just press
MD u. The player
turns on automatically
and starts playing the
MD.
VOLUME –, +
Z
MD x
POWER
MD u
.
, >
Basic Operations
10
Listening to the radio
For hookup instructions, see pages 57- 59.
1
Press RADIO BAND until the
band you want appears in the
display (direct power-on).
band you want appears in the
display (direct power-on).
2
Hold down TUNE + or TUNE –
until the frequency digits begin to
change in the display.
until the frequency digits begin to
change in the display.
The player automatically scans
the radio frequencies and stops
when it finds a clear station.
the radio frequencies and stops
when it finds a clear station.
If you can’t tune in a station,
press TUNE + or TUNE –
repeatedly to change the
frequency step by step.
press TUNE + or TUNE –
repeatedly to change the
frequency step by step.
1
2
Display
“FM” or “AM” appears
Indicates an FM stereo
broadcast
broadcast
Basic Operations
Basic Operations
11
Use these buttons for additional operations
Tips
• If the FM broadcast is
• If the FM broadcast is
noisy, press MONO/
ST•REPEAT (MODE on
the remote) until
“Mono” appears in the
display and radio will
play in monaural.
ST•REPEAT (MODE on
the remote) until
“Mono” appears in the
display and radio will
play in monaural.
• Next time you want to
listen to the radio, just
press RADIO BAND.
The player turns on
automatically and starts
playing the previous
station.
press RADIO BAND.
The player turns on
automatically and starts
playing the previous
station.
To
Press
adjust the volume
VOLUME +, –
(VOL +, – on the remote)
(VOL +, – on the remote)
turn on/off the radio
POWER
To improve broadcast reception
FM:
FM:
Reorient the antenna for FM.
AM:
Keep the AM loop antenna as far as possible from the
player and reorient it.
player and reorient it.
VOLUME –, +
MONO/ST
REPEAT
REPEAT
POWER
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