background image

for 100 Hz TV sets with chassis 601-M2 

When carrying out repairs, remember that various components carry mains voltage. After any work on
the set, ensure that it is electrically safe in accordance with the applicable regulations. Only original spa-
re parts may be used when replacing components or assemblies with the safety code 

í

.

In order to ensure safe operation of the TV set, only original spare parts may be used when replacing
components with special specifications, which are marked with 

.

If you move any wires or remove any covers during the course of the work, always replace them in their
original positions after completing the work.

After each repair, the TV set must be tested in accordance with VDE 0701/Part 200. For further details,
see our Technical Information No. 02/88.

S

TV. VIDEO. AUDIO. MECABLITZ

A

A

A

A

LL

LL

II

II

G

G

G

G

N

N

N

N

M

M

M

M

EE

EE

N

N

N

N

TT

TT

 

 

II

II

N

N

N

N

SS

SS

TT

TT

R

R

R

R

U

U

U

U

C

C

C

C

TT

TT

II

II

O

O

O

O

N

N

N

N

SS

SS

Metz-Werke GmbH & Co KG

Postfach 1267 

D-90506 Zirndorf

Telefon (0911) 9706-0 • Telefax (0911) 9706-340

Chassis, view on component side

Errors excepted. Subject to technical

601 46 9022.A1

03/03/16

Summary of Contents for 601-M2

Page 1: ...hich are marked with If you move any wires or remove any covers during the course of the work always replace them in their original positions after completing the work After each repair the TV set must be tested in accordance with VDE 0701 Part 200 For further details see our Technical Information No 02 88 S TV VIDEO AUDIO MECABLITZ A A A AL L L LI I I IG G G GN N N NM M M ME E E EN N N NT T T T I...

Page 2: ...the red key to select Init memory The red cursor now points to Data memory Use the cursor control key or press the OK key to move to the file card labelled Initialisation Press the OK key to confirm your selection and then use the cursor control key to move to Initialise Press the OK key again to confirm this selection and then use the key to select Yes Press the OK key again to start the initiali...

Page 3: ...cope to the 100 Ω resistor of the measuring circuit In the Service menu use the yellow key to select the menu item Adjustment The red cursor points to Video Use the cursor control key to select the item Peak white level Press the OK key to display the test pattern for the peak white level Use the key to adjust the pulse voltage on the 100 Ω resistor to the value Um shown in Table 1 Then save the s...

Page 4: ...tored here Factory geometry values The picture geometry settings which were made in the fac tory Table values The picture geometry data stored in the computer programme memory flash memory IC3665 sorted by CRT diago nal dimension These are identical for all TV sets with a CRT of the same diagonal dimension In the Service menu use the yellow key to select the menu item Adjustment With the cursor co...

Page 5: ...e control line STBY L state The transistors Tr 1870 Tr 1880 the optocoupler LK1740 and the transistors Tr 1730 and Tr 1890 all conduct Transistor Tr 1881 is cut off the ON line is high and the DS voltages are all switched off When the voltage D25 reaches the threshold of D1890 12 V transistor Tr 1891 conducts This causes IC 1735 to cut off transistor Tr 1710 until the IC supply vol tage pin 14 dro...

Page 6: ...luated this acts directly on input HPROT of IC 3301 SDA 9380 Tr 1302 is not affected b An increase in the beam current In this case the voltage at the terminal B ground of the diode split transformer becomes 0 Volt c Arcing or a short circuit in a spark gap In this case the voltage at the terminal B ground of the diode split transformer becomes very positi ve In cases a b and c the TV set switches...

Page 7: ...le DS45 46V 3V Tuner SR module DS12 12V 0 6 1 3V MV BV SR TP and EA modules OW output stage DS8 8V 0 4V AI MV and EA modules DS5 5 2V 0 2V MV and EA modules DS5b 5 2V 0 2V SR and TP modules DS3 3 3 3 0 2V MV module H output stage voltages 5 C215 215V RGB output stage BV module C14 14 5V V output stage C14 14 5V V output stage 601 G1 0073 601 G9 0083 16V V output stage 601 G1 0083 1 Approx 20 highe...

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