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Colour T V pattern generator
PM 5519
9452 055 19003
Service manual
9499 525 00711
8 7 0 5 0 1 /4
Industrial &
Electro-acoustic Systems PHILIPS
PHILIPS
Scientific & Analytical Equipment
Scient ific &
Test & Measuring Instruments
Industrial Controls
lndustrial
Welding Equipment
Industrial Data-processing Systems Division
840501 TEST AND MEASURING INSTRUMENTS SGS 3 7
9499 528 0381 1
PM 5519 Colour p a t t e r n g e n e r a t o r
Already published : SGS 20, SGS 27, SGS 30
L a t e s t i n s t r u c t i o n manual : 9499 525 00711 820801/3/01-10
1. Problem: BAR-signal i n c o r r e c t ( e . g . one c o l o u r m i s s i n g )
Solution: I n s e r t c a p a c i t o r 596, 150 pF, 4822 122 31413,
on s o l d e r i n g s i d e of u n i t 1 0 ,
between p i n 8 and 7 of I C 359.
2. Diode BB 113, pos. 402 w i t h i n t h e VHF/UHF m o d u l a t o r i s r e p l a c e d by
2 s i n g l e d i o d e s BB 130, 5322 130 32281.
Because of t h e exchange a c a p a c i t o r 39 p F
p a r a l l e l t o C51 1 has t o be added.
3. Diodes BB 105B, pos. 401/403 w i t h i n t h e VHF/UHF modulator a r e
r e p l a c e d by d i o d e s BB 405B, s e r v i c e code 5322 130 34953.
4. Within s e r i e s L0 016 ....
IC351, TCA820 i n t h e modulator i s r e p l a c e d
by TDA820 T, 5322 209 81981.
Additional a l t e r a t i o n s :
C 501, 502, 506 a l t e r e d t o 1nF 5322 122 31998
R 602
' '
' ' 3K01 5322 116 54582
The p i n n i n g of TCA820 and TDA0820T i s d i f f e r e n t .
TCA820 is n o t a v a i l a b l e anymore a t Concern S e r v i c e . I n c a s e of
d e f e c t i v e TCA820 a new complete VHF/UHF modulator 5322 218 64054
must be taken.
5 . P l e a s e c o r r e c t S e r v i c e manual, chapter 2.1.2: V = 3 12 , 5 ( o r 262 , 5 )
lines.
6. OQ 5501, pos. 3 5 1 / u n i t 10, i s not a v a i l a b l e due t o end of
p r o d u c t i o n . Replacement t y p e i s OQ 5506 (same p i n n i n g ) , s e r v i c e
code 5322 209 81945.
Additional a l t e r a t i o n s :
.
Remove NTC- resistor 330E pos 605, r e p l a c e r e s i s t o r 42.2E,
pos. 608 by 53.6E/MR 25, 5322 116 54444.
Colour TV pattern generator
Service manual
PHILIPS
Please note
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 se rapportant B cet appareil, veuillez toujours indiquer le
numero de type et le numero de serie qui sont marques sur la plaquette de caracteristiques.
lmportant
As the instrument is an electrical apparatus, it may be operated only by trained personnel. Maintenance and repairs
may also be carried out only by qualified personnel.
Wichtig
Da das Gerat ein elektrisches Betriebsmittel ist, darf die Bedienung nur durch eingewiesenes Personal erfolgen.
Wartung und Reparatur durfen nur von geschultem, fach- und sachkundigem Personal durchgefuhrt werden.
lmportant
Comme I'instrument est un equipement electrique, le service doit etre assure par du personnel qualifie. De meme,
I'entretien et les reparations sont confier aux personnes suffisamment qualifiees.
Scientific &
lndust rial
Equipment
Division
850401 TEST AND MEASURING INSTRUMENTS SGS47
PM 5519 Colour T V pattern generator
Already published: SGS20, SGS27, SGS30, SGS37
Latest service manual: 9499 525 0071 1, dated 820801/3/01-10
1. Problem: InVIDEO EXT operating mode
- the pack porche of the sync pulse is distorted and
- the working point of transistor 317 is not okay.
Solution: - Transistor 317, BC 338, video input amplifier, unit 10 is replaced by BC 337-16,
5322 130 41095 from instruments L 0 18 ... onwards.
- Resistor 730 is paralled by a resistor 56K2.
2. Problem: IC 351 on unit 3, TCA 240, was sometimes not working properly.
Solution: Alteration of resistor 604 from 825R to 715R, already inserted from L 0 13 ... onwards.
3. Problem: Diode BA 244, items 402, 404, 406 on unit 2 is not available anymore.
Solution: Replaced by diode BA 482, 5322 130 34955, already inserted from L 0 17 ... onwards
4. Problem: The small knobs 5322 414 30027 for memostat, pie-selection unit, can sometimes be damaged.
Solution: Please operate the knobs only by hands or by cross-slotted screw-driver.
Don't operate with normal screw driver.
2
5. Problem: Sound interference into Video
Residual carrier amplitude
Solution: - 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 8K25, see figure.
- Diode 434 in the 1 kHz oscillator, unit 10 is paralled by capacitor 597, 1 N, 4822 122 31 175
see figure.
- Some chapters 'CHECK AND ADJUSTMENT' of the service manual are revised:
4.4.1. Sub-carrier amplitude
Connect oscilloscope with 10 : 1 probe to TP 5, pin 11/U 1.
Check the sub-carrier amplitude: 2.5 Vpp f0.5 V.
I f necessary readjust with 604
4.6.2. Residual RF carrier
series L 0 17 ... onwards (new VHF/UHF modulator type)
- select abt. 200 MHz in the VHF range
- set attenuator RF AMPL to max. output level (10 m V ) .
- select WHITE test pattern
- connect spectrum analyzer* to RF OUT
- adjust residual carrier with potmeter 606 of the VHF/UHF-modulator to 10 % ... 12 % (20 dB ...
18 dB), from the sync. tips t o white bar.
- set PM 5519 t o 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 potmeter 606.
<
- check that te residual carrier is within 30 % in the whole VHF/UHF range.
*
if no spectrum analyzer available use well adjusted CTV receiver and connect oscilloscope (50 MHz) via high
impedance probe to the IF-stage.
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. I f
necessary adjust with 614/U 2.
Alteration concerns also table on page 48.
CONTENTS
SGS 37 Service information
SGS 47 Service information
1. GENERAL
1.1. Introduction
1.2. Technical data
1.3. Accessories
1.4. Survey of pattern
1.5. Operating principle, block diagram, fig. 1
k
CIRCUIT DESCRIPTION with figures 2 - 20
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 test pattern
Colour part
Synthesis of the chroma signals
Chroma and video channels
Sound generator
1 kHz oscillator
Sound input amplifier
Sound carrier oscillator and -modulator
R F part
VH F/UHF modulator
R F pre-selector
Power supply
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 A N D ADJUSTMENT
Survey of adjusting elements and auxiliary equipment
General
Power supply
Modulation- and synchronisation-frequency and pulses
Video signals
R F-check
B L/WH pattern and signals
Colour signals
Colour pattern signals
External video
Sound check, with table and figure for adjustment
5. MODIFICATION INTO VARIOUS VERSIONS
5.1. Performance details of various versions
5.2. Modification of PM 5519 G into PM 5519 I
5.3. Modification of PM 5519 G into PM 5519 N
5.4. Modification of PM 5519 G into PM 5519 M
5.5. Modification of PM 5519 G into PM 5519 MM
6. PARTS LIST
6.1. Mechanical parts, miscellaneous; with figures 21 - 23
6.2. Electrical parts
7. FIGURES 24 - 35
8. CODING SYSTEM OF FAILURE REPORTING FOR QUALITY
9. ADDRESSES FOR SALES AND SERVICE
LIST OF FIGURES
Fig. 1 Block diagram
Fig. 2 Overall circuit diagram
Fig. 3 Phase locked loop of master and sub-carrier oscillator
Fig. 4 Field and line raster signals
Fig. 5.1 Pulse diagram of OQ5501: NTSC norm
Fig. 5.2 Pulse diagram of OQ5501: CCI R norm
Fig. 6 Blanking and control signals
Fig. 7 Horizontal pattern components
Fig. 8 Field pulse generation components
Fig. 9 Control signals for multiburst oscillator
Fig. 10.1 Forming the circle control pulse
Fig. 10.2 Forming the circle
Fig. 11 Digital addition of the BL/WH pattern
Fig. 12 Summing and scale factor of patterns and signals
Fig. 13 Greyscale generation
Fig. 14 Generation of the colour sync signal
Fig. 15 Phase diagram of the primary and complementarv
colours and of the colour sync signals
Fig. 16 Colour bar matrix, control signal and modulator input
Fig. 17 Synthesis of the Y, (R-Y) and (B-Y) signals out of the RGB components
Fig. 18 Colour difference modulators and phase switches of the colour carrier frequencies
Fig. 19 Matrix of the monochrome pattern red, green and blue
Fig. 20.1 Control of the colour modulator for DEM and VCR
Fig. 20.2 Control of the PAL and DEM phase switches
Fig. 21 Front view: spare parts
Fig. 22 Inside view: spare parts
Fig. 23 Back view: spare parts
Fig. 24 Unit 1, master oscillator, circuit diagram
Fig. 25 Unit 1, component lay-out
Fig. 26 Unit 2, sound oscillator and -modulator, circuit diagram
Fig. 27 Unit 2, component lay-out
Fig. 28 Unit 3, multiburst oscillator, circuit diagram
Fig. 29 Unit 3, component lay-out
Fig. 30 Unit 11, power supply, circuit diagram
Fig. 31 Unit 11, component lay-out
Fig. 32 VHF/UHF modulator, circuit diagram
Fig. 33 VHF/UH F modulator, components
Fig. 34 Unit 10, component lay-out
Fig. 35 Unit 10, circuit diagram
GENERAL INFORMATION
1.1. INTRODUCTION
The multi-system CTV Pattern Generator PM5519 is used for servicing colour
and B/W TV-sets, monitors, VCR and VLP sets. All test signals allow to de-
termine faults by means of the screen of a TV set or monitor.
The generator provides 12 different test patterns, 7 of them in colour. In
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 is available at the vi-
deo output. This video signal of 1 Vpp into a 75 load (fixed position) is
continuously adjustable from 0 to 1.5 Vpp. The amplitude of the chroma sig-
nal (including burst) is adjustable in steps of 25% from 0% to 100% of
standard value.
The generator can be adapted to other TV systems.
The amplitude of the RF output signal of the generator is continuously va-
riable. This RF signal is modulated with the video signal and the discon-
nectible 1 kHz-modulated sound carrier.
The carrier frequency of the generator can be tuned to all TV ranges
(bands) and to the intermediate frequency. 6 tip-touch buttons are pre-
settable to any frequency within the TV ranges. The preset values are dis-
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).
1.2. TECHNICAL DATA
Only d a t a w i t h i n d i c a t e d t o l e r a n c e s o r l i m i t s a r e guaranteed;
d a t a w i t h o u t t o l e r a n c e s a r e given o n l y f o r guidance.
1.2.1. Test signals
- CIRCLE w h i t e c i r c l e on grey background, combinable
with a l l t e s t p a t t e r n s
- CHECKERBOARD 6x8 s q u a r e s
- DOTS 11x15 ( i n t e r s e c t i o n s of c r o s s h a t c h p a t t e r n )
- CROSSHATCH 1 1 h o r i z o n t a l and 15 v e r t i c a l l i n e s
- GREYSCALE combined w i t h s t a i r c a s e s i g n a l with 8 i d e n t i c a l s t e p s and
DEFINITION LINES s i n u s o i d a l l i n e - f r e q u e n t m u l t i - b u r s t of 0.8,
1.8, 2.8, 3.8, 4.8 Mhz
- WHITE 100% w h i t e s i g n a l ( w i t h b u r s t )
- PURITY r e d , g r e e n and b l u e s i g n a l s e l e c t e d v i a sepa-
r a t e b u t t o n s , 75% s a t u r a t i o n ; a l s o complemen-
t a r y by c o m b i n a t i o n .
- DM
E S e c i a l t e s t p a t t e r n of 4 v e r t i c a l b a r s
1 st b a r ( G - Y ) = 0 ;
2rd b a r g r e y (Y)
3th b a r ( R - Y ) NTSC e n c o d e d w i t h PAL b u r s t ;
4 b a r +- (B-Y).
The 2 b a r a n d l o w e r p a r t of t h e s c r e e n are
f o r reference.
- VCR p a t t e r n with 5 horizontal bars
1) 1/6 of screen 100% Y
2) 1/6 of screen 2.8 M z H
3) 1/6 of screen 3.0 M z H
4) 1/6 of screen 3.2 M z H
5) 2/6 of screen 8 - s t e p of L i n e a r l y
increasing saturati-
on w i t h 50% Y
- COLOUR BAR s t a n d a r d chroma s i g n a l w i t h 75%
s a t u r a t i o n ; t h e l o w e r p a r t of t h e
s c r e e n i s u s e d as r e f e r e n c e ( 7 5 % Y )
Relative Chroma R e l a t i v e 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. p e r f o r m a n c e d e t a i l s of v a r i o u s v e r s i o n s
PM 5519- G I N M MM
TV s t a n d a r d CCIR/PAL CCIR/PAL CCI R/PAL RTMA/PAL RTMA/NTSC
Lines p e r
62 5 62 5 62 5 525 525
p i c t u r e frame
F i e l d frequency (Hz) 50 50 50 60 60
L i n e f r e q u e n c y (Hz) 15625 15625 15625 15734 15734
Chrominance
4.433618 4.433618 3.582056 3.575611 3.579545
s u b - c a r r i e r (MHz)
Sound c a r r i e r /
5,5 6 4,5 4,5 4,5
V i s i o n c a r r i e r (MHz)
Sound m o d u l a t i o n FM FM FM FM FM
Pre- emphasis (ps) I 50 50 75 75 75
1.2.3. Video Part
-Video c a r r i e r
Frequency r a n g e s 38 - 90 Mhz ( I F and band I )
170 - 250 MHz (band III)
470 - 820 MHz (bands I V and V )
Range and frequency 6 tip- touch button t o s e l e c t the
selection p r e s e t channel frequency
Indicator of range and channel f o r each t i p - t o u c h
button
- RF o u t p u t BNC c o n n e c t o r ( f r o n t p a n e l )
Impedance
Output v o l t a g e > 10 mVpp ( s y n c h r o n i z i n g l e v e l )
Attenuator c o n t i n u o u s l y > 6 0dB
- Video modulation AM n e g a t i v e ( o r p o s i t i v e , s e l e c t a b l e by
solder l i n k ) ;
modulation w i l l t a k e p l a c e on IF.
This modulated s i g n a l i s t h e n mixed
up on RF.
I n t e r n a l o r e x t e r n a l modulation
s e l e c t a b l e by means of push- button
- Video o u t p u t s
Connector 1 f o r VCR ( r e a r p a n e l )
- Coupling DC, mean v a l u e 1.8 V
Connector 2 BNC s o c k e t ( f r o n t p a n e l )
- Coupling AC
Impedance
Nominal v o l t a g e 1 Vpp i n t o a l o a d of 75R ( f i x e d p o s i t i o n of
V I D E O A M P L c o n t r o l ) 0 - 1.5 Vp p, c o n t i n u o u s l y
a d j u s t a b l e , i n t o a l o a d of
Polarity positive
- Video i n p u t BNC c o n n e c t o r ( f r o n t p a n e l )
Impedance
Nominal v o l t a g e
Polarity positive
Max. p e r m i s s i b l e
external voltage
1.2.4. Sound p a r t
- Sound c a r r i e r
Frequency 4 . 5 ; 5.5; 6 . 0 ; 6.5 MHz, s e l e c t a b l e by s o l d e r
links;
on d e l i v e r y , a d j u s t e d t o s t a n d a r d v a l u e
Tolerance <0.2%
- Sound m o d u l a t i o n F M ( o r AM, s e l e c t a b l e by s o l d e r l i n k )
Internal signal 1 KHz s i n e wave
- FM sweep (40+-5) kHz w i t h 5.5 MHz; s l i g h t l y d i f f e r e n t
with other c a r r i e r frequencies
- AM m o d u l a t i o n d e p t h (30+-5) %
External signal 0.2 Vrms r e s u l t s i n t h e same m o d u l a t i o n d e p t h
as for lnternal signal
- Bandwidth 100 H z - 10 KHz
- Preemphasis 50 p s ( c a n be i n t e r r u p t e d )
- Sound i n p u t D I N connector ( r e a r panel)
I n p u t impedance 0.5 MR
Max. p e r m i s s i b l e
voltage
- Sound s e l e c t o r c a r r i e r ON/OFF
m o d u l a t i o n ON/OFF
modulation 1 kHz/external
1.2.5. Sync. p a r t
Line frequency 15625 Hz o r 15734 Hz, a d j u s t e d t o s t a n d a r d
value
- Tolerance 0.05%
- L i n e sync. s i g n a l a c c o r d i n g t o s t a n d a r d s CCIR a n d R M
T A
- Lines / f i e l d 312,5 lines for f line = 15625Hz or
262,5 lines for f line = 15734 Hz
F i e l d frequency 50Hz for f line =1 5 6 2 5 H z o r
6 0 Hz f o r f 15734 Hz
line
- F i e l d sync. s i g n a l a c c o r d i n g t o s t a n d a r d s ( w i t h p r e e q u a l i z i n g and
postequalizing pulses)
RRP ( R e c e i v e r Recogni- VCR i d e n t i f i c a t i o n I n t h e s y n c h r o n o u s p u l s e ,
t i o n Pulse) s e l e c t a b l e w i t h b u t t o n on f r o n t p a n e l
- Sync. o u t p u t s 2 BNC c o n n e c t o r s ( f r o n t p a n e l )
Output s i g n a l 1 ) CO M P - SYNC
2 ) FRAME
Output v o l t a g e 2 4 V
Impedance 15 k R
Polarity negative
Coupling DC ( d i g i t a l l e v e l )
Max. p e r m i s s i b l e +5 V a n d - 1 V
ext. voltage
642296
1.2.6. Chroma p a r t
Systems PAL a c c o r d i n g t o TV s y s t e m s I,G o r M ; NTSC.
(delivered according t o standards)
Subcarrier frequency 4.433 6 1 9 MHz f o r PAL G a n d I
3.582 056 MHZ f o r PAL N
3.575 611 M z f o r PAL M
H
3 579 5 4 5 M z f o r NTSC
H
-6 o
- Tolerance f5.10 (+5...+40 C)
Burst according t o standards; contained i n a l l t e s t
patterns
0
- Burst phase 135' a n d 225O f o r PAL, 180 for NTSC
Amplitude b u r s t a n d chroma a m p l i t u d e a d j u s t a b l e i n s t e p s
- Attenuation 0%, 25%, 50%, 75% 100% s e l e c t e d by s e p e r a t e o r
combined p u s h - b u t t o n s
0
T o l e r a n c e o f chroma a n g l e 23
1.2.7. Power s u p p l y
Mains v o l t a g e 110 V, 127 V, 220 V, 240 V e x t e r n a l l y
switched- over
- Tolerance +10%
Mains f r e q u e n c y
- Tolerance
For Service Manuals Contact
Power c o n s u m p t i o n 18 Watt MAURITRONTECHNICAL SERVICES
8 Cherry Tree Rd, Chinnor
Oxon OX9 4QY
1.2.8. Environmental conditions Tel:- 01844-351694 Fax:- 01844-352554
Email: [email protected]
0
Reference temperature +23C
Nominal o p e r a t i n g +5 t o +40 C
temperature
0
L i m i t s For s t o r a g e a n d -40 t o + 7 0 C
transportation
T h i s g e n e r a t o r c o n f o r m s t o VDE 0 4 1 1 , c l a s s I , p r o t e c t i v e e a r t h c o n n e c t i o n .
1.2.9. Dimensions ( o v e r a l l )
--p
Height 140 mm
Width 305 mm
Depth 300 mm
Weight a p p r o x . 4 . 5 kg
1.3. ACCESSORIES
Supplied with t h e instrument:
P 9 5 3 8 C o n n e c t i o n C a b l e BNC - TV c o n n e c t o r , 75 Ohm
M
O p e r a t i n g manual
Optional:
P 9539 C o n n e c t i o n C a b l e B C - impedance t r a n s f o r m e r ,
M N 75 - 300 Ohm
P 9 0 7 5 C o n n e c t i o n C a b l e BNC - BNC 75 Ohm
M
S e r v i c e manual
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