DOWNLOAD Sony ZS-M35 (serv.man2) Service Manual ↓ Size: 11.15 MB | Pages: 98 in PDF or view online for FREE

– 21 –

Each time the [LINE/LINE LEVEL] button is pressed, the display changes in the following order.

1.  Mode display
Displays “TEMP ADJUST”, “CPLAYMODE”, etc.

2. Error rate display
Displays the error rate in the following way.

C1 = ssss AD = ss
C1 = Indicates the C1 error.
AD = Indicates ADER.

3.  Address display
The address is displayed as follows. (MO: recordable disc, CD: playback only disc)
Press the  x  (CD) and [EDIT] buttons at the same time to switches between the groove display
and pit display.
h =  ssss s = ssss (MO pit and CD)
h =  ssss a = ssss (MO groove)
h = Indicates the header address.
s = Indicates the SUBQ address.
a = Indicates the ADIP address.

 “–” is displayed when servo is not imposed.

4.  Auto gain display (Not used in servicing)
The auto gain is displayed as follows.
AG F = ss T = ss

5.  IVR display (Not used in servicing)
The IVR is displayed as follows.
[ss][ss][ss]

Contents

Sets continuous playback when pressed in the STOP state. When pressed during continuous playback,
the tracking servo turns ON/OFF.

Stops continuous playback and continuous recording.

The sled moves to the outer circumference only when this is pressed.

The sled moves to the inner circumference only when this is pressed.

When pressed during continuous playback, REC ON/OFF.

Switches between the pit and groove modes when pressed.

When pressed during continuous playback, switches the spindle servo mode (CLV-S 

y CLV-A).

Switches the displayed contents each time the button is pressed

Ejects the disc

Releases the test mode

Function

u (MD) and EDIT

x (MD) and EDIT

>

.

REC/REC MODE and EDIT

x (CD) and EDIT

RADIO/BAND and EDIT

LINE/LINE LEVEL

Z (MD)

POWER

Mode display

Error rate display

Address display

Auto gain display 

(Not used in servicing)

IVR display 

(Not used in servicing)

SHUF

PGM

[REC]

TOC EDIT

TRACK

TIMER

When Off

Contents

Display

When Lit

During continuous playback (CLV: ON)

Tracking servo OFF

Recording mode ON

ABCD adjustment completed

Pit

CLV-S

STOP (CLV: OFF)

Tracking servo ON

Recording mode OFF

Groove

CLV-A

– 22 –

Frequency Display

87.5 MHz

108 MHz

Reading on Digital voltmeter

1.3

+ 0.4 V

3.0

+ 0.3 V

– 0.2 V

– 0.5 V

Adjustment Part

<confirmation>

L2

Adjust for a maximum reading on level meter.

L1

CT1

87.5 MHz

108 MHz

Frequency Display

530 kHz

1,710 kHz

Reading on Digital voltmeter

0.8 ± 0.2 V

5.5 ± 0.3 V

Adjustment Part

<confirmation>

L4

Adjust for a maximum reading on level meter.

L3

CT2

620 kHz

1,400 kHz

Adjust for a maximum reading on level meter.

T1

450 kHz

Adjustment Location: TUNER board (See page 23.)

Setting:
BAND button: FM

75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible

Setting:
BAND button: AM

30% amplitude
modulation by 400 Hz signal
output level : as low as possible

µ

i

Ω

• Repeat the procedures in each adjustment several times, and the

frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.

– 23 –

(COMPONENT SIDE)

– 24 –

• Laser power check
• Focus bias check
• C PLAY check
• Self-recording/playback check

Parts Replacement and Repair

NG

Has the OWH been replaced?

NO

OK

NO

NO

NO

Has OP, IC171, IC101, or 
IC121 been replaced?

YES

YES

Initial setting of the adjustment value

Has OP or IC171 been replaced?

YES

IOP information recording
(IOP value labeled on OP)

Has IC171 or D101 
been replaced?

YES

Temperature compensation offset adjustment

• Laser power adjustment
• Traverse adjustment
• Focus bias adjustment
• Error rate adjustment
• Focus bias check
• Auto gain adjustment

Check the sled and spindle 
mechanisms. 
Other causes can be suspected.

• Check and adjust the mechanism deck as follows.

The procedure changes according to the part replaced.

• Abbreviation

OP

: Optical pick-up

OWH : Overwrite head