Philips PM5519 Service Manual

Colour

TV

PM 5519

9452 055 19003

pattern generator

Service

9499

525

00711

870501

/4

manual

Industrial
Electro-acoustic Systems

&

PHILIPS

PHILIPS

Scientific & Analytical Equipment
Test

&

Measuring Instruments
Industrial Controls
Welding
Industrial Data

840501 TEST

PM

5519 Colour pattern generator

Already published
Latest instruction manual

1. Problem: BAR
Solution: Insert capacitor 596, 150 pF, 4822 122 31413,
on soldering side
between pin 8 and

AND

MEASURING INSTRUMENTS

:

:

-

signal incorrect (e.g. one colour missing)

of

unit 10,

7

of

IC

-

processing Systems

SGS 20, SGS 27, SGS 30
9499 525 00711 820801/3/01-10

359.

Scient ific
lndust rial
Equipment
Division

9499 528 0381

&

SGS

37

1

BB

113,

pos.

2. Diode

2

single diodes
Because of the exchange a capacitor 39
parallel

to

C51 1 has to be added.

402 within the

BB

130, 5322 130 32281.

VHF/UHF

pF

modulator

is

replaced by

3. Diodes
replaced

BB

105B,

by

pos.

diodes

401/403 within the

BB

405B, service code 5322 130 34953.

VHF/UHF

modulator are

4. Within series

by

TDA820

L0

016

....

T,

5322 209 81981.

IC351, TCA820 in the modulator

Additional alterations:

C

501, 502, 506 altered to 1nF 5322 122 31998

R

602

The pinning of TCA820 and TDA0820T

is

TCA820

not available anymore at Concern Service. In case of

defective TCA820 a new complete

be

must

taken.

5. Please correct Service manual, chapter 2.1.2:

''

''

3K01 5322 116 54582

is

different.

VHF/UHF

modulator 5322 218 64054

V

=

lines.

6. OQ 5501, pos. 351/unit 10,
production. Replacement type

is

not available due to end of

is

OQ 5

506 (same pinning), service

code 5322 209 81945.

Additional alterations

:

Remove NTC-resistor 330E pos . 605, replace resistor 42.2E,

by

pos. 608

53.6E/MR 25, 5322 116 54444.

is

replaced

3 12 ,5 (or 262 ,5

)

Colour

TV

pattern generator

Service

manual

PHILIP

S

Please

In correspondence concerning this instrument, please quote the type number and serial number as given on the
type plate.

Bitte beachten

Bei Schriftwechsel uber dieses Gerat wird gebeten, die Typennummer und die Geratenummer anzugeben. Diese

befinden sich auf dem Typenschild an der Ruckseite des Gerates.

Note s.v.p.

Dans votre correspondance et dans vos reclamations
numero de type et le numero de serie qui sont marques sur la plaquette de caracteristiques.

l

mportant

As the instrument

may also

note

is

an electrical apparatus,

be

carried out only by qualified personnel.

se

rapportant B cet appareil, veuillez toujours indiquer

it

may be operated only by trained personnel. Maintenance and repairs

le

Wichtig
Da das Gerat ein elektrisches Betriebsmittel ist, darf die Bedienung nur durch eingewiesenes Personal erfolgen.

Wartung und Reparatur

l

mportant

Comme I'instrument est un equipement electrique, le service doit etre assure par du personnel qualifie. De meme,
I'entretien et les reparations sont

durfen nur von geschultem, fach

confier aux personnes suffisamment qualifiees.

-

und sachkundigem Personal durchgefuhrt werden.

Scientific
lndust

rial

Equipment

Division

&

850401

PM

5519

Already published:
Latest service manual:

1. Problem:

Solution:

2. Problem:

Solution:

TEST AND MEASURING INSTRUMENTS SGS47

Colour TV pattern generator

In VIDEO EXT operating mode

-

the pack porche of the sync pulse is distorted and

-

the working point of transistor 317 is not okay.

-

Transistor 317,

5322 130 41095 from instruments

-

Resistor 730 is paralled by a resistor 56K2.

IC 351 on unit 3, TCA
Alteration of resistor 604 from 825R to

SGS20, SGS27, SGS30, SGS37

1,

9499 525 0071

BC

338, video input amplifier, unit 10 is replaced by

240,

dated 820801/3/01-10

L0

18

was sometimes not working properly.

715R, already inserted from

... onwards.

BC

L0

337-16,

13

... onwards.

3. Problem:
Solution:

4. Problem:

Solution:

Diode BA 244, items 402, 404, 406 on unit 2 is not available
Replaced by diode

The small knobs 5322 414 30027 for
Please operate the knobs only by hands or by cross
Don't operate with normal screw driver.

BA 482, 5322 130 34955, already inserted from

memostat, pie-selection unit, can sometimes be damaged.

-

slotted screw-driver.

anymore.

L0

17

...

onwards

2

5. Problem: Sound interference into Video
Residual carrier amplitude

-

Solution:

-

Some chapters 'CHECK AND ADJUSTMENT' of the service manual are revised:

VHF/UHF modulator 5322 218 64054 is equipped with additional metal screening sheet, from
Dec. 84 onwards.

-

Resistor 716, unit 10 is altered to 13K3;
Resistor 716 is paralleled by capacitor 598, OP68, 4822 122 31213;
resistor 722 is altered to

-

Diode 434 in the 1 kHz oscillator, unit 10 is paralled by capacitor 597, 1
see

figure.

8K25, see figure.

N,

4822 122 31 175

4.4.1.

4.6.2.

*

if no spectrum analyzer available use well adjusted CTV receiver and connect oscilloscope (50 MHz) via high
impedance probe to the IF

Sub-carrier amplitude

Connect oscilloscope with 10
Check the sub-carrier amplitude: 2.5 Vpp f0.5 V.

If necessary readjust with 604

Residual RF carrier
series L0 17

-

select abt. 200 MHz in the VHF range

-

set attenuator RF AMPL to max. output level

-

select WHITE test pattern

-

connect spectrum analyzer* to RF OUT

-

adjust residual carrier with potmeter 606 of the VHF/UHF-modulator to 10
18 dB), from the sync. tips to white bar.

-

set PM 5519 to abt. 623 MHz in the UHF-range channel 40.

-

select GREYSCALE test pattern and set the attenuator RF AMPL to abt. 1 mV.

-

connect CTV receiver to RF OUT

-

check that greyscale pattern is correct (modulation not overdriven). Otherwise readjust residual
carrier with

-

check that te residual carrier is within < 30 % in the whole VHF/UHF range.

...

onwards (new VHF/UHF modulator type)

potmeter 606.

-

stage.

:

1

probe to TP 5, pin 11/U 1.

(10

mV).

%

...

12 % (20 dB

...

4.1

1.3.

Amplitude RF/soundcarrier

Push button CHECKERBOARD and SOUND MOD CARR ON/OFF.
Turn RF AMPL to maximum.
Connect a selective voltmeter (e.g. Bruell & Kjaer 2007) to RF OUT and check that the ampli

tude ratio of the video to the sound carrier is 13 - 14 dB at a frequency of e.g. 200 MHz. If
necessary adjust with

Alteration concerns also table on page 48.

614/U 2.

-

CONTENTS

SGS 37 Service information
SGS 47 Service information

1.

1.1. Introduction

1.2. Technical data

1.3. Accessories

1.4. Survey of pattern

1.5. Operating principle, block diagram, fig.

GENERAL

CIRCUIT DESCRIPTION

General
Video generator
Raster signals
Horizontal pattern components: vertical lines and bars

Vertical pattern components: horizontal lines, bars and fields
Staircase signals
Circle components
Synthesis of the Black/White
Colour part
Synthesis of the chroma signals
Chroma and video channels

Sound generator

kHz oscillator

1
Sound input amplifier
Sound carrier oscillator and

R F

part

VH F/UHF modulator

-

R F pre
Power supply

selector

with figures 2 - 20

test pattern

-

modulator

1

k

3. INSTALLATION, ACCESS TO PARTS

3.1. Safety regulations

3.2. Operating position

3.3. Earthing

3.4. Adjusting to mains voltage

3.5. Dismantling the instrument

3.6. Knobs

3.7. Textplate

3.8. Pushbutton unit

CHECK AND ADJUSTMENT

Survey of adjusting elements and auxiliary equipment

General
Power supply
Modulation

Video signals

-

check

R F
B

L/WH

Colour signals
Colour pattern signals

External video
Sound check, with table and figure for adjustment

5.

5.1. Performance details of various versions

5.2. Modification of PM 5519

5.3. Modification of PM 5519 G into PM 5519

5.4. Modification of PM 5519 G into PM 5519 M

5.5. Modification of PM 5519 G into PM 5519 MM

MODIFICATION INTO VARIOUS VERSIONS

-

and synchronisation-frequency and pulses

pattern and signals

G

into PM 5519 I

N

6.

6.1. Mechanical parts, miscellaneous; with figures 21 - 23

6.2. Electrical parts

7.

8.

9.

PARTS LIST

FIGURES

24

-

35
CODING SYSTEM OF FAILURE REPORTING FOR QUALITY
ADDRESSES

FOR

SALES AND SERVICE

LIST

OF

FIGURES

Fig. 1

2

Fig.
Fig. 3
Fig. 4
Fig. 5.1
Fig. 5.2

6

Fig.
Fig.

7

Fig.

8

Fig.

9

Fig. 10.1
Fig. 10.2
Fig. 11
Fig. 12

Fig. 13
Fig. 14
Fig. 15

Fig. 16

17

Fig.

Fig. 18
Fig. 19

Fig. 20.1
Fig. 20.2

Block diagram
Overall circuit diagram

-

Phase locked loop of master and sub

Field and line raster signals

Pulse diagram of

Pulse diagram of OQ5501: CCI R norm

Blanking and control signals
Horizontal pattern components
Field pulse generation components

Control signals for multiburst oscillator

Forming the circle control pulse
Forming the circle
Digital addition of the
Summing and scale factor of patterns and signals
Greyscale generation
Generation of the colour sync signal
Phase diagram of the primary and complementarv
colours and of the colour sync signals
Colour bar matrix, control signal and modulator input
Synthesis of the Y, (R
Colour difference modulators and phase switches of the colour carrier frequencies
Matrix of the monochrome pattern red, green and blue
Control of the colour modulator for DEM and VCR
Control of the PAL and DEM phase switches

OQ5501: NTSC norm

BL/WH pattern

-

Y) and (B-Y) signals out of the RGB components

carrier oscillator

Fig. 21

Fig. 22

Fig. 23
Fig. 24
Fig. 25
Fig. 26

Fig. 27

28

Fig.
Fig. 29
Fig. 30
Fig. 31

Fig. 32

Fig. 33

Fig. 34
Fig. 35

Front view: spare parts
Inside view: spare parts
Back view: spare parts
Unit 1, master oscillator, circuit diagram

-

Unit 1, component lay
Unit 2, sound oscillator and
Unit 2, component lay
Unit 3, multiburst oscillator, circuit diagram
Unit 3, component lay
Unit 11, power supply, circuit diagram
Unit 11, component lay

VHF/UHF modulator, circuit diagram

VHF/UH F modulator, components
Unit 10, component lay
Unit 10, circuit diagram

out

-

modulator, circuit diagram

-

out

-

out

-

out

-

out

GENERAL INFORMATION

1.1.

INTRODUCTION

The multi

and

termine faults by means of the screen of a
The generator provides
addition, the circle test pattern can be combined with any other test pat

tern and appears as white or black circle depending on the brightness of

the selected picture.
The composite colour signal with standard number of lines (interlacing) and
standard coupling of line and subcarrier frequency
deo output. This video signal of1Vpp into a 75 load (fixed position) is

continuously adjustable from 0 to 1.5 Vpp. The amplitude of the chroma sig
nal (including burst)

standard value.
The generator can be adapted to other TV systems.
The amplitude of the RF output signal of the generator

riable. This RF signal is modulated with the video signal and the discon-

nectible
The carrier frequency of the generator can be tuned to all TV ranges

(bands) and to the intermediate frequency.

settable to any frequency within the
played by the individual frequency and range indicator for each selector.
The RF carrier can be modulated by video and sound signals from external
signal sources via the video input and the audio socket.
For time base synchronisation of an oscilloscope, two signals are available
for line or frame triggering, (comp. sync. and frame).

-

system

B/W

TV-sets, monitors,

1

kHz-modulated sound carrier.

CTV

Pattern Generator PM5519

VCR

and VLP sets.

12

different test patterns,

is

adjustable in steps of 25% from 0% to 100% of

is

used for servicing colour

All

test signals allow to de

TV

set or monitor.

7

of them in colour. In

is

available at the vi

is

continuously va

6 t

ip-touch buttons are pre-

TV

ranges. The preset values are dis

-

-

-

-

-

-

1.2.

1.2.1.

TECHNICAL DATA

Only data with indicated tolerances or
data without tolerances are given only for guidance.

Test signals

-

CIRCLE

-

CHECKERBOARD

-

DOTS 11x15 (intersections of crosshatch pattern)

-

CROSSHATCH

-

GREYSCALE combined with staircase signal with 8 identical steps and
DEFINITION LINES sinusoidal line

white circle on grey background, combinable
with all test patterns

6x8 squares

11

horizontal and 15 vertical lines

1.8, 2.8, 3.8, 4.8 Mhz

limits

are guaranteed;

-

frequent multi-burst of 0.8,

-

WHITE

-

PURITY

-

DEM

-

VCR

-

COLOUR BAR

100% white signal (with burst)

red, green and blue signal selected via sepa
rate buttons, 75% saturation; also complemen
tary by combination.

S

ecial test pattern of 4 vertical bars

1 st bar

2rd bar grey

3th bar
4 bar
The 2 bar and lower part of the screen

(G-Y)

(R-Y)

+- (B-Y).

=

0;

(Y)

NTSC encoded with

PAL

burst;

are

for reference.

5

pattern with

1)

1/6 of screen

2)

1/6 of screen

horizontal bars

100%

2.8

Y

MHz

3) 1/6 of screen 3.0 MHz

4)

1/6 of screen 3.2 MHz

5) 2/6 of screen 8-step of Linearly

increasing saturati
on with 50%

Y

-

standard chroma signal with 75%
saturation; the lower part of the

is

used

as

screen

reference (75%

Y)

-

-

Relative Chroma Relative chroma

Bar luminance phase amplitude

amplitude

White 0.75

Yellow 0.67

Cyan

0.53
Green 0.44
Magenta 0.31

Red 0.23
Blue 0.08
Black

0

1.2.2. performance details of various versions

PM 5519
TV standard

Lines per
picture frame
Field frequency
Line frequency (Hz)
Chrominance

sub
Sound carrier/

Vision carrier

Sound modulation

Pre

-

-

carrier (MHz)

-

emphasis

(MHz)

(ps)

(Hz)

CCIR/PAL

15625

4.433618

I

G

62 5

50

5,5

FM
50

CCIR/PAL

62 5

15625

4.433618

I

50

6
FM

50

--

N

C

C

I

R/PAL

62 5

50

15625

3.582056

4,5

FM
75

M

RTMA/PAL

525

60

15734

3.575611

4,5

FM
7 5

MM

RTMA/NTSC

525

60

15734

3.579545

4,5

FM
7 5

1.2.3. Video

-

Video carrier

Frequency ranges

Part

38

-

90 Mhz (IF and band
170 - 250 MHz (band
470 - 820 MHz (bands

III)

IV

and

I)

V)

Range and frequency
selection

Indicator

-

RF output

Impedance

Output voltage

Attenuator

-

Video modulation

-

Video outputs
Connector 1

-

Coupling

6 tip-touch button to select
preset channel frequency

of range and channel for each tip
button

BNC

connector (front panel)

>

10 mV p p (synchronizing level)

continuously >60dB

AM

negative (or positive, selectable

solder link);

will

modulation
This modulated signal
up on
Internal or external modulation
selectable

for
DC, mean value 1.8

RF.

VCR

(rear panel)

take place on IF.

is

then mixed

by

means of push-button

V

the

-

touch

by

Connector

-

Coupling

Impedance

Nominal voltage

Polarity

-

Video input

Impedance

Nominal voltage

Polarity

Max. permissible
external voltage

2

BNC

socket (front panel)

AC

1

Vpp into a load of 75R (fixed position of

VIDEO

adjustable, into a load of

positive

BNC

positive

AMPL

connector (front panel)

control) 0 - 1.5 Vp p, continuously

1.2.4. Sound part

-

Sound carrier

Frequency

Tolerance

-

Sound modulation

Internal signal

-

FM sweep

-

AM

modulation depth

External signal

-

Bandwidth

-

Preemphasis

-

Sound input
Input impedance
Max. permissible
voltage

-

Sound selector

4.5; 5.5; 6.0; 6.5
links;
on delivery, adjusted to standard value

<0.2%

FM (or

1 K

Hz sine wave

(40+-5) kHz with 5.5 MHz; slightly different

with other carrier frequencies

(30+-5)

0.2

as for lnternal signal

100 H z

50 ps (can be interrupted)

DIN

0.5

carrier ON/OFF
modulation ON/OFF
modulation 1 kHz/external

AM,

selectable by solder link)

%

Vrms

results in the same modulation depth

-

10 KHz

connector (rear panel)

MR

MHz, selectable by solder

1.2.5. Sync. part

Line frequency

-

Tolerance

-

Line sync. signal

-

Lines /field

Field frequency

-

Field sync. signal

RRP (Receiver Recogni

tion Pulse)

-

Sync. outputs
Output signal

Output voltage

Impedance

Polarity
Coupling
Max. permissible
ext. voltage

15625 Hz or 15734 Hz, adjusted to standard
value

0.05%
according to standards CCIR and RTMA

312,5 lines for f line = 15625Hz or

262,5 lines for f line = 15734 Hz

50Hz for f line =15625Hzor

60 Hz for f 15734 Hz

according to standards (with preequalizing and
postequalizing pulses)

-

V

C R identification

selectable with button on front panel

N C connectors (front panel)

2 B

1

)

C O M P - S Y N C

2) FRAME

24

V

1

5

kR

negative

D C

(digital level)

V

and

+5

-

1

line

V

In the synchronous pulse,

642296

1.2.6. Chroma part

Systems

Subcarrier frequency

-

Tolerance f5.10 (+5...+40 C)

Burst

-

Burst phase

Amplitude burst and chroma amplitude adjustable in steps

-

Attenuation

Tolerance of chroma angle 23

1.2.7. Power supply

Mains voltage

-

Tolerance

PAL according to TV systems

I,G

or

(delivered according to standards)

4.433 619

3.582 056

3.575

611 MHz for

MHz for PAL G and

MHZ

for PAL

PAL

N

M

I

3 579 545 MHz for NTSC

-

6

o

according to standards; contained in

patterns

135' and 225O for PAL, 180

0%,

25%, 50%, 75%

combined push

0

110

V,

127

V,

switched

-

over

-

100%

buttons

220

V,

0

for NTSC

selected by seperate or

240 V externally

+10%

M;

NTSC.

all

test

Mains frequency

-

Tolerance

Power consumption 18 Watt

1.2.8. Environmental conditions

Reference temperature +23C

Nominal operating +5 to +40
temperature
Limits For storage and
transportation

This generator conforms to

1.2.9. Dimensions (over all)

--p

Height

Width

Depth

Weight

1.3. ACCESSORIES

0

-

40 to +70

VDE

0411,

140

mm

305

mm

300

mm

approx. 4.5

C

0

C

class

kg

For Service

MAURITRON TECHNICAL SERVICES

8

Tel:-

01844-351694

Email:

I,

protective earth connection.

Manuals

Cherry Tree

Oxon OX9
[e-mail]

Contact

Rd,

Chinnor

4QY

Fax:-

01844-352554

Supplied with the instrument:
PM 9538 Connection Cable BNC

Operating manual

Optional

:

PM 9539 Connection Cable BNC
PM 9075 Connection Cable BNC

Service manual

-

TV connector, 75 Ohm

-

impedance transformer, 75 - 300 Ohm

-

BNC

75

Ohm