DAEWOO DDT-21H9ZZF, DDT-21H9ZZR Service Manual
Service Manual
TV/DVD Combination
CHASSIS : CP-099F
Model : DDT-21H9ZZF
DDT-21H9ZZR
S/M No. : TCP099FEF0
May. 2002
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe .co.kr
DDT-21H9ZZF
DDT-21H9ZZR
Service Manual CP-099F
-1-
Contents
1- Main Features ------------------------------------------------------------------------------------------------------------------------- 4
1-1 Specifications ------------------------------------------------------------------------------------------------------------------- 4
1-2 Channel table -------------------------------------------------------------------------------------------------------------------- 6
1-3 ATSS sorting method ---------------------------------------------------------------------------------------------------------- 8
2- Safety instruction ---------------------------------------------------------------------------------------------------------------------- 9
3- Alignment instructions --------------------------------------------------------------------------------------------------------------- 10
3-1 Microcontroller configuration : Service mode ----------------------------------------------------------------------------- 10
3-2 Service mode navigation ------------------------------------------------------------------------------------------------------ 10
3-3 Microcontroller configuration : Option bits --------------------------------------------------------------------------------11
3-4 TV set Alignment -------------------------------------------------------------------------------------------------------------- 11
3-4-1 The adjustment of screen ------------------------------------------------------------------------------------------------ 11
3-4-2 The adjustment of focus --------------------------------------------------------------------------------------------------11
3-4-3 The adjustment of white balance --------------------------------------------------------------------------------------- 11
3-5 The adjustment of geometry -------------------------------------------------------------------------------------------------- 11
3-5-1 The adjustment of vertical center --------------------------------------------------------------------------------------- 11
3-5-2 The adjustment of vertical size ------------------------------------------------------------------------------------------12
3-5-3 The adjustment of vertical slope ---------------------------------------------------------------------------------------- 12
3-5-4 The adjustment of S-correction ----------------------------------------------------------------------------------------- 12
3-5-5 The adjustment of horizontal center ------------------------------------------------------------------------------------ 12
3-5-6 The adjustment of horizontal width ------------------------------------------------------------------------------------ 13
3-5-7 The adjustment of pincusion -------------------------------------------------------------------------------------------- 13
3-5-7-1 The adjustment of parabola ------------------------------------------------------------------------------------------ 13
3-5-7-2 The adjustment of corner --------------------------------------------------------------------------------------------- 13
3-5-7-3 The adjustment of H.parabola ---------------------------------------------------------------------------------------- 13
3-5-7-4 The adjustment of H.bow --------------------------------------------------------------------------------------------- 14
3-5-7-5 The adjustment of EW TRAPEZIUM ------------------------------------------------------------------------------ 14
3-6 The adjustment of RF AGC ---------------------------------------------------------------------------------------------------14
3-7 Setting the conditions for finished products -------------------------------------------------------------------------------- 14
4- IC description ------------------------------------------------------------------------------------------------------------------------- 15
4-1 VCT383XA TV signal processor - Teletext decoder with embedded 8 bit
- Controller --------------------------- 15
4-1-1 Block diagram of the VCT ---------------------------------------------------------------------------------------------- 15
4-1-2 TV-signal Processor ------------------------------------------------------------------------------------------------------15
4-1-3
-Controller ---------------------------------------------------------------------------------------------------------------- 16
4-1-4 Teletext Features ---------------------------------------------------------------------------------------------------------- 16
4-1-5 Display OSD Features ---------------------------------------------------------------------------------------------------- 17
4-1-6 Audio Features ------------------------------------------------------------------------------------------------------------ 17
4-1-7 General Features ---------------------------------------------------------------------------------------------------------- 17
4-1-8 Data Capture --------------------------------------------------------------------------------------------------------------- 17
4-1-9 Data Capture Features ----------------------------------------------------------------------------------------------------17
4-1-10 TV processor version and
-Controller capacity -------------------------------------------------------------------- 18
4-1-11 IC marking and version ------------------------------------------------------------------------------------------------- 18
4-1-12 Pinning -------------------------------------------------------------------------------------------------------------------- 18
4-2 MSP341 x Multistandard Sound Processor --------------------------------------------------------------------------------- 21
4-2-1 Basic Features of the MSP341x ----------------------------------------------------------------------------------------- 21
4-2-1-1 Demodulator and NICAM Decoder Section ----------------------------------------------------------------------- 21
4-2-1-2 DSP-Section (Audio Baseband Processing) ----------------------------------------------------------------------- 22
Service Manual CP-099F
-2-
4-2-1-3 Analogue Section ------------------------------------------------------------------------------------------------------ 22
4-2-1-4 NICAM plus FM/AM-Mono ----------------------------------------------------------------------------------------- 22
4-2-1-5 German 2-Carrier System (DUAL FM System) ------------------------------------------------------------------- 22
4-3 TDA9886 IIC-bus controlled single/multi standard algnment-free IF-PLL -------------------------------------------- 25
4-3-1 DISCRIPTION ------------------------------------------------------------------------------------------------------------ 25
4-3-2 FEATURES ---------------------------------------------------------------------------------------------------------------- 25
4-3-3 PINNING ------------------------------------------------------------------------------------------------------------------25
4-4 TDA894xJ Stereo Audio Amplifer ------------------------------------------------------------------------------------------ 27
4-1-1 Features -------------------------------------------------------------------------------------------------------------------- 27
4-5 TDA835xJ Vertical Amplifier ------------------------------------------------------------------------------------------------29
4-5-1 TDA8358J -----------------------------------------------------------------------------------------------------------------29
4-6 TEA5101B ---------------------------------------------------------------------------------------------------------------------- 30
4-7 24C16 - 16 Kb EEPROM ----------------------------------------------------------------------------------------------------- 32
4-8 STR - F6654 -------------------------------------------------------------------------------------------------------------------- 32
4-8-1 General description ------------------------------------------------------------------------------------------------------- 32
4-8-2 Features -------------------------------------------------------------------------------------------------------------------- 32
4-8-3 Block diagram ------------------------------------------------------------------------------------------------------------- 33
4-8-4 Pins description ----------------------------------------------------------------------------------------------------------- 33
4-8-5 Control part electrical characteristics ----------------------------------------------------------------------------------34
4-8-6 MOSFET electrical chatacteristics ------------------------------------------------------------------------------------- 34
5- Circuit description --------------------------------------------------------------------------------------------------------------------- 35
5-1 Block diagram ------------------------------------------------------------------------------------------------------------------ 35
5-2 IF section ------------------------------------------------------------------------------------------------------------------------ 36
5-2-1 Picture IF Amplifier ------------------------------------------------------------------------------------------------------ 36
5-2-2 Tuner and VIF-AGC ------------------------------------------------------------------------------------------------------ 36
5-2-3 VIF-AGC detector -------------------------------------------------------------------------------------------------------- 36
5-2-4 Frequency phase-Locked Loop(FPLL) detector ---------------------------------------------------------------------- 36
5-2-5 VCO and divider ----------------------------------------------------------------------------------------------------------36
5-2-6 Digital acquisition help and AFC --------------------------------------------------------------------------------------- 37
5-2-7 Video demodulator and amplifier --------------------------------------------------------------------------------------- 37
5-2-8 Sound carrier trap --------------------------------------------------------------------------------------------------------- 37
5-2-9 SIF amplifier --------------------------------------------------------------------------------------------------------------- 37
5-2-10 AGC detector ------------------------------------------------------------------------------------------------------------37
5-2-11 Single reference QSS mixer -------------------------------------------------------------------------------------------- 38
5-2-12 AM demodulator -------------------------------------------------------------------------------------------------------- 38
5-2-13 FM demodulator and acquisition help -------------------------------------------------------------------------------- 38
5-2-14 Audio amplifier and mute time constant ----------------------------------------------------------------------------- 38
5-2-15 I2C-bus transceiver and MAD (module address) ------------------------------------------------------------------- 39
5-2-16 Internal voltage stabilizer ---------------------------------------------------------------------------------------------- 39
5-3 Video - VCT description ------------------------------------------------------------------------------------------------------ 39
5-3-1 Introduction ---------------------------------------------------------------------------------------------------------------- 39
5-3-2 Video Front-end ----------------------------------------------------------------------------------------------------------- 39
5-3-3 Input Selector -------------------------------------------------------------------------------------------------------------- 39
5-3-4 Clamping ------------------------------------------------------------------------------------------------------------------- 39
5-3-5 Automatic Gain control -------------------------------------------------------------------------------------------------- 39
5-3-6 Digitally Controlled Clock Oscillator ---------------------------------------------------------------------------------- 39
5-3-7 Analogue Video Output -------------------------------------------------------------------------------------------------- 39
5-3-8 Adaptive Comb Filter (VCT3834A only) ----------------------------------------------------------------------------- 40
5-3-9 Color Decoder ------------------------------------------------------------------------------------------------------------- 40
5-3-10 Horizontal Scaler (VCT3834A only) --------------------------------------------------------------------------------- 40
5-3-11 Video Sync Processing -------------------------------------------------------------------------------------------------- 40
5-3-12 Display Processing ------------------------------------------------------------------------------------------------------41
5-3-13 Chroma Transient Improvement --------------------------------------------------------------------------------------- 41
Service Manual CP-099F
-3-
5-3-14 Video Back-end ----------------------------------------------------------------------------------------------------------41
5-3-15 CRT Measurement and Control --------------------------------------------------------------------------------------- 41
5-3-16 Average Beam Current Limiter ---------------------------------------------------------------------------------------- 41
5-3-17 Analogue RGB Insertion ----------------------------------------------------------------------------------------------- 41
5-3-18 Fast-Blank Monitor ----------------------------------------------------------------------------------------------------- 41
5-3-19 Vertical and East/West Deflection ------------------------------------------------------------------------------------- 42
5-3-20 EHT Compensation ----------------------------------------------------------------------------------------------------- 42
5-3-21 Reset Function ----------------------------------------------------------------------------------------------------------- 42
5-3-22 Standby and Power-On ------------------------------------------------------------------------------------------------- 42
5-4 Microcontroller ----------------------------------------------------------------------------------------------------------------- 42
5-4-1 Introduction ---------------------------------------------------------------------------------------------------------------- 42
5-4-2 CPU ------------------------------------------------------------------------------------------------------------------------- 42
5-4-3
-Controller I/O pin configuration and function ---------------------------------------------------------------------- 42
5-4-4 Tuning ---------------------------------------------------------------------------------------------------------------------- 43
5-4-5 Over Current Protection --------------------------------------------------------------------------------------------------43
5-5 Teletext Display ---------------------------------------------------------------------------------------------------------------- 43
5-6 Sound processing --------------------------------------------------------------------------------------------------------------- 44
5-6-1 Analogue sound IF - input section -------------------------------------------------------------------------------------- 44
5-6-2 Quadrature Mixers --------------------------------------------------------------------------------------------------------44
5-6-3 Phase and AM discrimination ------------------------------------------------------------------------------------------- 44
5-6-4 NICAM decoder ---------------------------------------------------------------------------------------------------------- 44
5-6-5 DSP section ---------------------------------------------------------------------------------------------------------------- 44
5-6-6 Sound Mode switching --------------------------------------------------------------------------------------------------- 44
5-7 Sound amplification ------------------------------------------------------------------------------------------------------------ 45
5-7-1 Power amplifier ----------------------------------------------------------------------------------------------------------- 45
5-7-2 Mode selection ------------------------------------------------------------------------------------------------------------ 45
5-8 Vertical deflection -------------------------------------------------------------------------------------------------------------- 45
5-8-1 Flyback voltage ----------------------------------------------------------------------------------------------------------- 45
5-8-2 Protection ------------------------------------------------------------------------------------------------------------------ 45
5-8-3 Guard circuit --------------------------------------------------------------------------------------------------------------- 46
5-8-4 Damping resistor ---------------------------------------------------------------------------------------------------------- 46
5-8-5 EAST-WEST Amplifier (TDA8358J) ---------------------------------------------------------------------------------- 46
5-9 Power supply (STR F6654) ---------------------------------------------------------------------------------------------------46
5-9-1 STR-F6654 general desctrption ----------------------------------------------------------------------------------------- 46
5-9-2 Power supply primary part operations --------------------------------------------------------------------------------- 46
5-10 TV start-up, TV normal run and stand by mode operations ------------------------------------------------------------ 49
5-10-1 TV start-up operations --------------------------------------------------------------------------------------------------49
5-10-2 TV normal run and stand-by mode operations ---------------------------------------------------------------------- 50
5-11 DVD Loder -------------------------------------------------------------------------------------------------------------------- 53
5-11-1 Mechanism ---------------------------------------------------------------------------------------------------------------53
5-11-2 Electirical Troubleshooting Guide ------------------------------------------------------------------------------------ 57
5-11-3 Circuit --------------------------------------------------------------------------------------------------------------------- 59
6. Service Parts list ----------------------------------------------------------------------------------------------------------------------- 64
7. Different Parts List By CRT ---------------------------------------------------------------------------------------------------------- 73
8. Exploded View ------------------------------------------------------------------------------------------------------------------------- 74
9. Printed Circuit Board ----------------------------------------------------------------------------------------------------------------- 76
10. Schematic Diagram ------------------------------------------------------------------------------------------------------------------ 79
-4-
Service Manual CP-099F
Service Manual CP-099F
TV standard PAL - SECAM B/G D/K, PAL, I/II, SECAM L/L’
Sound system NICAM B/G, I, D/K, L,
FM 2Carrier B/G, D/K
Power consumption 69W approx
Sound Output Power TV MODE : 3W min + 3W min
DVD MODE : 3W min + 3W min
Speaker 5W 8 ohm x2
T eletext system 10 page memory F ASTEXT (FLOF or TOP)
Aerial input 75 ohm unbalanced
Channel coverage Off-air channels, S-cable channels and hyperband
Tuning system frequency synthesiser tuning system
Visual screen 51 Cm
Channel indication On Screen Display
Porgram Selection 100 programs (00~99)
EURO SCART (AV1) : Auto / Video In and Out, R/G/B In, Slow and
Fast switching.
Aux. terminal AUDIO OUT : DVD COAXIAL OUT and RCA Audio OUT at back of cabinet.
AV2 : RCA Video In and Audio In on side of cabinet.
EARPHONE : Jack on side of cabinet.
Remote Control Unit R-52B02
Laser Semiconductor laser, wavelength 650nm
Signal system PAL 625/50, NTSC 525/60
Frequency response (audio) 20 - 20,000Hz
CD/DVD Signal-to-noise ratio(audio) More than 60dB (1kHz)
Signal-to-noise ratio(video) More than 60dB (ABEX 50% white pattern)
Dynamic range (audio) 60dB
Harmonic distortion(audio) 0.3% (1kHz)
1- Main Features
1-1 Specifications
-5-
Service Manual CP-099F
Service Manual CP-099F
EURO SCART
Pin Signal Description
Matching value
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Audio out (linked with 3)
Audio In (linked with 6)
Audio out (linked with 1)
Audio Earth
Blue Earth
Audio In (linked with 2)
Blue In
Slow (Function) Switching
Green Earth
NC
Green In
NC
Red Earth
NC
Red In
Rapid Blanking, Switching
Video Earth
Rapid Blanking Earth
Video Out
Video In
Common Earth
0.5Vrms, lmp < 1k (RF 60% MOD)
0.5Vrms, lmp < 10k
0.5Vrms, lmp < 1k (RF 60% MOD)
0.5Vrms, lmp < 10k
0.7Vp-p 10%, lmp 75
TV : 0~2V, AV 16/9 : 4.5~7 V, AV 4/3 : 9.5~12 V, lmp > 10k
0.7Vp-p 10%, lmp 75
0.7Vp-p 10%, lmp 75
0.7Vp-p 10%, lmp 75
Logic 0 : 0~0.4V, Logic 1 : 1~3V, lmp 75
1.0Vp-p 10%, lmp 75
1.0Vp-p 10%, lmp 75
AV2 (RCA AUDIO-VIDEO INPUT)
1
2
3
VIDEO IN
L IN
R IN
1Vpp 3dB, Impedance 75ohm
0.5Vrms, Impedance > 10kohm
0.5Vrms, Impedance > 10kohm
-6-
Service Manual CP-099F
CH EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT
C01 46.25 - 47.75 49.75
C02 48.25 55.75 (L’) 53.75 59.25
C03 55.25 60.5 (L’) 61.75 77.25
C04 62.25 63.75 (L’) 175.25 85.25
C05 175.25 176.00 183.25 93.25
C06 182.25 184.00 191.25 175.25
C07 189.25 192.00 199.25 183.25
C08 196.25 200.00 207.25 191.25
C09 203.25 208.00 215.25 199.25
C10 210.25 216.00 223.25 207.25
C11 217.25 189.25 (LUX) 231.25 215.25
C12 224.25 69.25 (L’) 239.25 223.25
C13 53.75 76.25 (L’) 247.25 -
C14 - 83.25 (L’) 49.75 -
C15 82.25 90.25 57.75 -
C16 - 97.25 65.75 -
C17 183.75 - 77.75 -
C18 192.25 - 85.75 -
C19 201.25 -
--
-
-
-
-
C20
C21 471.25 471.25 471.25 471.25
C22 479.25 479.25 479.25 479.25
C23 487.25 487.25 487.25 487.25
C24 495.25 495.25 495.25 495.25
C25 503.25 503.25 503.25 503.25
C26 511.25 511.25 511.25 511.25
C27 519.25 519.25 519.25 519.25
C28 527.25 527.25 527.25 527.25
C29 535.25 535.25 535.25 535.25
C30 543.25 543.25 543.25 543.25
C31 551.25 551.25 551.25 551.25
C32 559.25 559.25 559.25 559.25
C33 567.25 567.25 567.25 567.25
C34 575.25 575.25 575.25 575.25
C35 583.25 583.25 583.25 583.25
C36 591.25 591.25 591.25 591.25
C37 599.25 599.25 599.25 599.25
C38 607.25 607.25 607.25 607.25
C39 615.25 615.25 615.25 615.25
C40 623.25 623.25 623.25 623.25
C41
C42
C43
C44
C45
C46
C47
C48
C49
C50
C51
C52
C53
C54
C55
C56
C57
631.25
639.25
647.25
655.25
663.25
671.25
679.25
687.25
695.25
703.25
711.25
719.25
727.25
735.25
743.25
751.25
759.25
631.25
639.25
647.25
655.25
663.25
671.25
679.25
687.25
695.25
703.25
711.25
719.25
727.25
735.25
743.25
751.25
759.25
631.25
639.25
647.25
655.25
663.25
671.25
679.25
687.25
695.25
703.25
711.25
719.25
727.25
735.25
743.25
751.25
759.25
631.25
639.25
647.25
655.25
663.25
671.25
679.25
687.25
695.25
703.25
711.25
719.25
727.25
735.25
743.25
751.25
759.25
1-2 Channel table
FREQUENCY TABLE
-7-
Service Manual CP-099F
CH EUROPE CCIR FRANCE GB(IRELAND) EAST OIRT
C58 767.25 767.25 767.25 767.25
C59 775.25 775.25 775.25 775.25
C60 783.25 783.25 783.25 783.25
C61 791.25 791.25 791.25 791.25
C62 799.25 799.25 799.25 799.25
C63 807.25 807.25 807.25 807.25
C64 815.25 815.25 815.25 815.25
C65 823.25 823.25 823.25 823.25
C66 831.25 831.25 831.25 831.25
C67 839.25 839.25 839.25 839.25
C68 847.25 847.25 847.25 847.25
C69 855.25 855.25 855.25 855.25
C70 863.25 863.25 863.25 863.25
C71 69.25 - - -
C72 76.25 - - -
C73 83.25 - - -
C74 90.25 - - -
C75 97.25 - - -
C76 59.25 - - -
C77 93.25 - - -
S01 105.25 104.75 103.25 105.25
S02 112.25 116.75 111.25 112.25
S03 119.25 128.75 119.25 119.25
S04 126.25 140.75 127.25 126.25
S05 133.25 152.75 135.25 133.25
S06 140.25 164.75 143.25 140.25
S07 147.25 176.75 151.25 147.25
S08 154.25 188.75 159.25 154.25
S09
S10
S11
S12
S13
S14
S15
S16
S17
S18
S19
S20
S21
S22
S23
S24
S25
S26
S27
S28
S29
S30
S31
S32
S33
S34
S35
S36
S37
S38
S39
S40
S41
161.25
168.25
231.25
238.25
245.25
252.25
259.25
266.25
273.25
280.25
287.25
294.25
303.25
311.25
319.25
327.25
335.25
343.25
351.25
359.25
367.25
375.25
383.25
391.25
399.25
407.25
415.25
423.25
431.25
439.25
447.25
455.25
463.25
200.75
212.75
224.75
236.75
248.75
260.75
272.75
284.75
296.75
136.00
160.00
-
303.25
311.25
319.25
327.25
335.25
343.25
351.25
359.25
367.25
375.25
383.25
391.25
399.25
407.25
415.25
423.25
431.25
439.25
447.25
455.25
463.25
167.25
-
-
-
255.25
263.25
271.25
279.25
287.25
295.25
303.25
-
-
311.25
319.25
327.25
335.25
343.25
351.25
359.25
367.25
375.25
383.25
391.25
399.25
407.25
415.25
423.25
431.25
439.25
447.25
455.25
463.25
161.25
168.25
231.25
238.25
245.25
252.25
259.25
266.25
273.25
280.25
287.25
294.25
303.25
311.25
319.25
327.25
335.25
343.25
351.25
359.25
367.25
375.25
383.25
391.25
399.25
407.25
415.25
423.25
431.25
439.25
447.25
455.25
463.25
-8-
Service Manual CP-099F
1-3 ATSS sorting method
The TV set sweeps all the TV bands from beginning of VHF to end of UHF. The TV controlling software for each
program checks if a VPS CNI code is transmitted ( this system exists for German, Swiss and Austrian transmissions).
If no VPS CNI code is found, then the system check if a CNI code is transmitted as part of the teletext transmission
( Packet 8/30 format 1 ). If such a code ( VPS or teletext ) is found and if this code is in the ATSS list, the prog ram is
automatically named.
If the transmission does not have VPS CNI, and no teletext service is available, then there is no possibility of the
program being automatically named.
The programs found are then sorted in 4 groups :
Group I : It contains all the pro grams from the selected country and named by the TV controlling software. Within this
group the sorting order is fixed by the A
TSS list.
Group II : It contains all the pro grams with a strong signal strength which are not listed in group I.
Group III : It contains all the pro grams with a weak signal strength which are not listed in group I.
Group IV : If two or more programs with the same code are found, only the strongest ( or if they have the same level
the one with the lowest frequency) is listed in group I, II or III. The others are listed in group IV.
Program
number
1
2 Group I
...
n
n+1
... Group II
m
m+1
... Group III
p
p+1
... Group IV
q
q+1
.... not used
99
0
Group
Skip
Program
number
1
... Group II
m
m+1
... Group III
p
p+1
... Group IV
q
q+1
.... not used
99
0
Group
Skip
Special case : Country selection = Others
Special case : France
Note : If two programs with the same name but a different code ar e found these two programs are listed in
gr oup I, II or III ( e.g. Regional program SW3 in Germany ).
The sorting order within group II, III, and IV is based on the channel frequency. The Program with the lowest
frequency is allocated the first rank in its group, and so forth until the last program of the group which has the
highest frequency.
If France is selected, the TV controlling software sweeps all TV bands with France system selected firstly
( positive video modulation) and the second time with Europe system selected ( negative video modulation).
Special case : Switzerland
If Switzerland is selected the TV controlling software sweeps all TV bands with Europe system selected firstly
(negative video modulation) and the second time with France system selected ( positive video modulation).
Special case : France
-9-
Service Manual CP-099F
Special case : GB
Note for setellite receiver users : Before starting ATSS turn On your satellite receiver and tune “ SKY NEWS ”.
If GB is selected the TV controlling software seeks for programs only in UHF ( C21 to C70 ).
The sorting order is :
1 - BBC1
2 - BBC2
3 - ITV
4 - CH4
5 - CH5
6 - NEWS
If two or more “ identical” programs ( same name but different code e.g. BBC1 and BBC1 Scotland ) are found
the following programs in the list will be shifted up. (1 - BBC1, 2 - BBC1, 3 - BBC2, 4 -ITV, 5 - CH4, 6 - CH5,
7 - NEWS, ..)
If one of the program above is not found, the associated program number remains empty
( freq.=467.25 Mhz - Skip selected - no name - system=GB).
example A : 1 - BBC1, 2 - BBC2, 3 - ITV , 4 - ----, 5 - CH5, 6 - NEWS , ...
example B ( if 2 BBC1 found ) : 1 - BBC1, 2 - BBC1, 3 - BBC2, 4 - IT V, 5 - -----, 6 - CH5, 7 -NEWS, ...
2 - Safety instruction
WARNING: Only competent service personnel may carry out work involving the testing or repair of this equipment.
X-RAY RADIATION PRECAUTION
1. Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high
voltage must not exceed the specified limit. The nominal value of the high voltage of this receiver is
27.5 KV (21”) at max beam current. The high voltage must not, under any circumstances.
exceed 31 KV (21")
. Each time a receiver requires servicing, the high voltage should be checked.
It is important to use an accurate and relia
ble high
voltag
e meter.
2. The only source of X-RAY Radiation in this TV receiver is the picture tube. For continued X-RA Y RADIATION
protection, the replacement tube must be exactly the same type tube as specified in the parts list.
SAFETY PRECAUTION
1. Potentials of high voltage are present when this receiver is operating. Operation of the receiver outside the cabinet
or with the back board removed involves a shock hazard from the receiver.
1) Servicing should not be attempted by anyone who is not thoroughly familiar with the precautions necessary
when working on high voltage equipment.
2) Discharge the high potential of the picture tube before handling the tube. The picture tube is highly evacuated
and if broken, glass fragments will be violently expelled.
2. If any Fuse in this TV receiver is blown, replace it with the FUSE specified in the Replacement Parts List.
3. When replacing a high wattage resistor ( metal oxide film resistor) in the circuit board, keep the resistor
10 mm away from circuit board.
4. Keep wires away from high voltage or high temperature components.
5. This receiver must operate under AC 230 volts, 5O Hz. NEVER connect to DC supply or any other power or
frequency.
PRODUCT SAFETY NOTICE
Many electrical and mechanical parts in this equipment have special safety-related characteristics.
These characteristics are often passed unnoticed by a visual inspection and the X-RAY RADIATION protection
afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage,
wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual and its
supplements, electrical components having such features are identified by designated symbol on the parts list.
Before replacing any of these components, read the parts list in this manual carefully. The use of substitutes
replacement parts which do not have the same safety characteristics as specified in the parts list may create X-RAY
Radiation.
-10-
Service Manual CP-099F
LASER SAFETY
This unit employs a laser Only gualified service personal should remove the cover or attempt to service this device
due to possible eye injury.
CAUTION : Use of any controls, adjustments, or procedures other than those specified herein may result in hazardous
radiation exposure.
3 - Alignment instructions
3-1 Microcontroller configuration : Service mode
To switch the TV set into service mode please see instruction below.
1 - Select pr. number 91
2 - Adjust sharpness to minimum and exit all menu.
3 - Quickly press the key sequence : RED - GREEN - menu
To software version is displayed beside the word Service, e.g. “ FACTORY V0.00”.
To exit SERVICE menu press TV/AV/DVE key or POWER OFF
V-SLOPE
H-WIDTH
V-CENTER
H-CENTER
V-SIZE
PARABOLA
DVD ON/OFF SVC OFF 4:3, 16:9
NORMAL MODE
SERVICE MODE
NAME AFTER SVC MODE
POWER STAND BY <=>
POWER ON
PR UP PR UP
PR DOWN PR DOWN
VOL UP REGION SELECT
VOL DOWN TUNER SELECT
CURSOR SUB-BRT UP
CURSOR SUB-BRT DOWN
TV MENU SHIPPING
MENU/PBC BUYER SELECT
OPEN/COLSE P.DRIVE -
ZOOM G BIAS SETUP G. DRIVE PAUSE TRAPEZIUM +
SKIP-F:NEXT TRAPEZIUM -
SKIP-B:PREVIOUS H PARA +
FAST-F / SLOW B.DRIVE +
FAST-R / SLOW R DRIVE +
REPEAT CONER -
A-B REPEAT CONER +
PLAY G.DRIVE +
STOP H.PARA -
RANDOM R.BIAS -
ANGLE R.BIAS +
PROGRAM G.BIAS +
AUDIO H-WIDTH -
SUBTITLE PARABOLA -
OK / ENTER TXT OPTION
RECALL / DISPLAY SCREEN
TITLE B.DRIVE SLEEP 4:3, 16:9
TV/AV/DVD SVC OFF
NORMAL DVD ON/OFF
MUTE(SYMBOL) CRT OPTION
CLEAR AGC -
ADD AGC +
SERCH B.BIAS -
SOUND MODE B.BIAS +
0 H.CENTER 1 V.SLOPE +
2 V.CENTER +
3 V.SIZE +
4 V.SLOPE 5 V.CENTER 6 V.SIZE 7 H.WIDTH +
8 H.CENTER +
9 PARABOLA +
ASPECT
3-2 Service mode navigation
-11-
Service Manual CP-099F
3-5-1- The adjustment of vertical center
3-5 The adjustment of geometry
- Apply PAL RETMA pattern.
- Go to SERVICE MODE.
- Press V-CEN+ or V-CEN- key and "VERT CENT" OSD will be displayed.
- Adjust with V-CEN+/V-CEN- keys so that the center mark of the CRT may be located on the horizontal line in the middle of
the pattern. In case of no center mark, adjust with V-CEN+/V-CEN- keys to obtain a vertical symmetric pattern.
3-3 Microcontroller configuration : Option bits
These option bits are available from Service mode. Please refer to previous page's diagram of the AFTER SERVICE state.
The table below shows the options available ;
B7 B6 B5 B4 B3 B2 B1 B0
TOP te xt F ASTEXT
off /FLOF off
TOP te xt F ASTEXT
on (FLOF) on
1
0
00 PHILIPS CRT
10 THOMSON CRT
11 SAMSUNG CRT
Buyer
option
Aspect
option
Tuner options
00 = Philips
11 = Daewoo, Samsung
3-4 TV set Alignment
REGION SELECT : Go to SERVICE MODE and push the REGION SELECT key.
DVD UPGRADE : Go to SERVICE MODE and push DVD ON , SVC OFF. Then insert the UPGRADE CD.
Upgrde is doing automatically.
For a while, push the power switch off after screen is twinkled.
Then switch on, upgrde is done perfectly.
3-4-1- The adjustment of screen
- Go to SERVICE MODE and adjust SUB BRIGHT at below datas.
(Setting data -- Philips CRT : 30, Thomson CRT : ?, Samsung CRT : ?)
In case of mass production in the factory, keeping the setting data value to EEPROM MASTER IC for setting of sub-bright.
- Press the SCREEN key on the service remote control so that make the horizontal line.
- Adjust the screen volume of the FBT so that the horizontal line may be minimum light.
- Press the SCREEN key on the SVC remocon to release SCREEN mode.
3-4-2- The adjustment of focus
- Apply PAL RETMA pattern.
- Adjust with the focus volume on the FBT until you get the most clear resolution line on the screen.
3-4-3- The adjustment of white balance
- Go to SERVICE MODE.
- Adjust with G DVR +/-,B DVR +/- keys so that only G,B bars in the low beam on the instrument may be located in the
center.
- The reference coordinates are X=288, Y=301
CAUTION ) All of the below keys are SERVICE MODE'S keys.
Please refer to AFTER SERVICE MODE diagram p.p10.
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Service Manual CP-099F
3-5-5- The adjustment of horizontal center
- Apply PAL RETMA pattern.
- Go to SERVICE MODE.
- Press H-CENTER+ or H-CENTER- key and "HOR CEN" OSD will be displayed.
- Referring to the both side scales, adjust with H-CONTER+/H-CNETER- keys so that RETMA pattern may be symmetrical.
3-5-2- The adjustment of vertical size
- Apply PAL RETMA pattern.
- Go to SERVICE MODE.
- Press V-SIZE+ or V-SIZE- key and "VERT SIZE" OSD will be displayed.
- Adjust with V-SIZE+/V-SIZE- keys so that the upper and the lower '+' marks of the RETMA pattern may be located at the
boundaries of the screen.
3-5-3- The adjustment of vertical slope
- Apply PAL RETMA pattern.
- Go to SERVICE MODE.
- Press V-SLOPE+ or V-SLOPE- key and "V. LINEAR" OSD will be displayed.
- Referring to the upper side and lower side, adjust with V-SLOPE+/V-SLOPE- keys so that RETMA pattern may
be symmetrical.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of V-SLOPE.
Ddfault value : -00005
3-5-4- The adjustment of S-correction
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press S-CUR+ or S-CUR- key and "S CORRECT" OSD will be displayed.
- Adjust with S-CUR + or S-CUR- keys so that the upper, the lower and the middle size of the CROSS HATCH pattern
may be same size.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of S-correction.
Ddfault value : -00020
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Service Manual CP-099F
3-5-7-2 The adjustment of corner
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press COR-T or COR-T key and "CORNER" OSD will be displayed.
- Adjust Parabola Corner with COR-T or COR-T key.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of CORNER.
Default Value : +00000
3-5-7-3 The adjustment of H.parabola
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press H.PARALL or H.PARALL key and "HOR PARAL" OSD will be displayed.
- Adjust Parabola Corner with H.PARALL or H.PARALL key.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of CORNER.
Default Value : +00022
3-5-6- The adjustment of horizontal width
Adjust Horizontal width only CRT of non pin pree and don't adjust Horizontal width CRT of pin free.
- Apply PAL RETMA pattern.
- Go to SERVICE MODE.
- Press H-WIDTH+/H-WIDTH- key and "H WIDTH" OSD will be displayed.
- Referring to the both side scales, adjust with H-WIDTH+/H-WIDTH- keys so that RETMA pattern may be OVER Scan 10%.
3-5-7- The adjustment of pincusion
Adjust Pincushion only CRT of non pin free and don't adjust Pincusion CRT of pin free.
3-5-7-1 The adjustment of parabola
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press PARA or PARA key and "PARABOLA" OSD will be displayed.
- Adjust Parabola Width with PARA or PARA key.
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Service Manual CP-099F
3-6 The adjustment of RF AGC
- Apply PAL signal of 60 2dB V of RF level.
- Connect the probe of the oscilloscope to the P101 #3pin (TUNER AGC INPUT)
- Go to SERVICE MODE.
- Adjust with the COR-B UP/DOWN keys on the service remote control so that the DC voltage may have the value reducde by
1.0 0.2Vdc from
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of AGC
Default value : 14
3-5-7-4 The adjustment of H.bow
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press H.BOW or H.BOW key and "H.BOW" OSD will be displayed.
- Adjust Parabola Width with H.BOW or H.BOW key.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of H.bow
Ddfault value : -00000
3-5-7-5 The adjustment of EW TRAPEZIUM
- Apply PAL CROSS HATCH pattern.
- Go to SERVICE MODE.
- Press EW TRAPEZ or EW TRAPEZ key and "EW TRAPEZ" OSD will be displayed.
- Adjust Parabola Width with EW TRAPEZ or EW TRAPEZ key.
- In case of mass production in the factory, keeping the default value is recommended for the adjustment of EW TRAPEZ
Ddfault value : +00060
3-7 Setting the conditions for finished products
- Go to SERVICE MODE.
- Press the upper SHIPPING key on the SVC MODE REMOCON to set the conditions for the finished products.
For the reference, the predesignated values are as follows.
PICTURE
SOUND
NR
BALANCE
VOLUME
NORMAL-1
NORMAL
Off
Center
21/63
Pr.
Wake up
Child Lock
01
Off
Off
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Service Manual CP-099F
4 - IC description
4-1 VCT383XA TV signal processor - Teletext decoder with embedded 8 bit - Controller.
4-1-1- Block diagram of the VCT
4-1-2- TV-signal Processor
Four composite video inputs, two S-VHS inputs
Analogue YC r C b input
Composite video monitor
Multistandard colour decoder ( 1 crystal )
Multistandard sync decoder
Black-line detector
Adaptive 2H comb filter Y/C separator
16 kB
Text RAM
3 kB
OSD RAM
TPU
DMA CPU
1 kB Reset
Audio
Video
Back-end
Pict.Improv
Display
Processor
Panorama
Scaler
Color
Decoder
Video
Front-end
Comb
Filter
Logic
Clock
Oscillator
CPU RAM
96 kB
CPU ROM
24 kB ROM
31
12
CLK20
XTAL2
XTAL1
TEST
RESQ
MSync
BE
RDY
Color, Prio
VSync
8
AOUT
AIN
3
2
2
4
3
222
GNDAB
VSUPAB
RGBIN
SVM
RGBOUT
XREF
VRD
GNDM
RSW
SENSE
HFLB
HOUT
PROT
EW
VERT
GNDD
VSUPD
GNDAF
VSUPAF
SGND
VRT
VIN
3
4
CIN
VOUT
Video
I2C
I
2
C
I
2
C Mmaster
8-bit PWM
14-bit PWM
15:1 Mux
10-bit ADC
2 Timer
2 CapCom
Watchdog
24 IO Ports
ADB, DB, CB
VSUPS
GNDS
VSUPP1
Pxy
GNDP1
VCT 38xx
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Service Manual CP-099F
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Service Manual CP-099F
High-level command language
FLOF (Fastext), and TOP support
10 pages memory on chip (10kB)
4-1-5- Display OSD Features
3kB OSD RAM on chip
WST level 1.5 compliant
WST level 2 parallel attributes
32 foreground/background colours
programmable colour look-up table
1024 mask programmable characters
17 national languages
(Latin, Cyrillic and Greek character sets)
Character matrix 10x10
4-color mode for user font
4-1-6- Audio Features
Three mono inputs
Two mono outputs
Programmable channel select
Volume control for one mono channel
4-1-7- General Features
Submicron CMOS technology
Low-power standby mode
Single 20.25 MHz crystal
64-pin PSDIP package
4-1-8- Data Capture
The Video Front End section takes in the analogue Composite Video and Blanking Signal (CVBS), and from this
extracts the required data, which is then decoded and stored in memory.
The extraction of the data is performed in the digital domain. The first stage is to select and convert the analogue
CVBS signal into a digital form. This is done using 8 bit ADC sampling at 20.25 Mhz.
The digital data services transmitted in the VBI are selected and acquired separately form the video part. This is done
by the use of an adaptive data slicer. The following data types can be extracted : 625 line World System Teletext
(WST), VPS, WSS. The data is acquired and decoded by the teletext decoder (TPU), then stored in an SRAM lnterface.
4-1-9- Data Capture Features
Video Signal Quality detector
Data Capture for 625 line WST
Data Capture for VPS data (PDC system A)
Data Capture for Wide Screen Signalling (WSS) bit decoding
Real-time capture and decoding fo r WST Teletext in Hardware, to enable optimised microprocessor throughout
10 page memory stored On-Chip
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Service Manual CP-099F
• Inventory of transmitted Teletext pages stored in the Page Table
Signal quality detector for WST data
Comprehensive Teletext language coverage
Full Field Vertical Blanking Interval (VBI) data capture of WST data
4-1-10- TV processor version and -Controller capacity
IC version
VCT 3834A
8 bit
-controller
ROM size
RAM size
PAL decoder
SECAM decoder
NTSC decoder
Picture improvement
Teletext page memory
Adaptive Comb filter
Panorama Scaler
96k
1k
10 pages
IC marking
English, French,
German, Italian,
Spanish, Dutch,
Danish, Finnish,
Norwegian, Swedish,
Greek, Polish,
Hungarian
Romanian, Russian.
4-1-11- IC marking and version
Chassis OSD languages
ATSS countries
Text
CP-099F VCT3834
Pan-European Latin.
Cyrillic, Greek.
GB, France, Germany,
Italy, Belgium, Spain,
Austria, Poland,
Switzerland, Denmark,
Finland, Netherlands,
Norway, Sweden,
Ireland, Hungary,
Czech Republic, Others
4-1-12- Pinning
1
2
3
4
5
6
7
8
9
10
11
12
13
KEY1
KET2
ST-BY 5V
GND
PWR-L
SB LED
OCP
IR INPUT
MUTE-L
SLOW SW
V OUT
VRT
S GND
IN
IN
SUPPLY
SUPPLY
OUT
OUT
IN
IN
OUT
IN
NOT USED
IN
SUPPLY
GROUND PORT
LOW-SMPS ON, HIGH-SMPS IN STAND BY MODE
HIGH-RED, LOW-GREEN
OVER CURRENT PROTECTION INPUT
LOW-MUTE HIGH, HIGH-MUTE LOW
SCART SLOW SWITCH INPUT
REFERENCE VOLTAGE TOP
SINAL GROUND FOR ANALOG INPUT
PSDIP
64-pin
Pin Name Type Short Description
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Service Manual CP-099F
14 GND SUPPLY
15 B+ 5V SUPPLY
16 Cb IN IN ANALOG COMPONENT Cb INPUT
17 C1 IN NOT USED ANALOG CHROMA 1 INPUT
18 C2/Cr IN IN ANALOG CHROMA 2 INPUT/ANALOG COMPONENT Cr INPUT
19 IF V IN IN IF VIDEO SIGNAL INPUT
20 SCART V IN IN SCART VIDEO SIGNAL INPUT
21 RCA V IN IN RCA VIDEO SIGNAL INPUT
22 DVD Y IN IN DVD LUMINANCE(Y) COMPONENT INPUT
23 TEST NOT USED
24 H OUT OUT HORIZONTAL DRIVE OUTPUT
25 B+ 3.3V SUPPLY
26 GND SUPPLY
27 FBL IN IN FAST BLANK INPUT
28 R IN IN ANALOG RED INPUT
29 G IN IN ANALOG GREEN INPUT
30 B IN IN ANALOG BLUE INPUT
31 VPROT IN VETICAL PROTECTION INPUT
32 SAFETY SUPPLY SAFETY INPUT
33 HFLB IN HORIZONTAL FLYBACK INPUT
34 VERTQ OUT DIFFERENTIAL VERTICAL SAWTOOTH OUTPUT
35 VERT OUT DIFFERENTIAL VERTICAL SAWTOOTH OUTPUT
36 EW OUT VERTICAL PARABOLA OUTPUT
37 SENSE IN SENSE ADC INPUT
38 GND SUPPLY
39 RSW1 OUT RANGE SWITCH1 FOR MESUREMENT ADC
40 RSW2 OUT RANGE SWITCH2 FOR MESUREMENT ADC
41 SVM OUT OUT SCAN VELOCITY MODULATION OUTPUT
42 R OUT OUT ANALOG RED OUTPUT
43 G OUT OUT ANALOG GREEN OUTPUT
44 B OUT OUT ANALOG BLUE OUTPUT
45 B+ 5V SUPPLY
46 GND SUPPLY
47 VRD IN DAC REFERENCE
48 XREF IN REFERENCE INPUT FOR RGB DACs
49 A IN3 IN ANALOG AUDIO 3 INPUT
50 A IN2 IN ANALOG AUDIO 2 INPUT
51 A IN1 IN ANALOG AUDIO 1 INPUT
52 A OUT2 OUT ANALOG AUDIO 2 OUTPUT
53 A OUT1 OUT ANALOG AUDIO 1 OUTPUT
54 ST-BY 3.3V SUPPLY
55 GND SUPPLY
56 OSC OUT
57 OSC IN
58 RESET IN RESET INPUT
59 SCL OUT IIC BUS CLOCK
60 SDA IN/OUT IIC BUS DATA
61 DVD CLK IN DVD CLOCK
62 DATA OUT OUT DVD DATA OUT
63 DATA IN IN DVD DATA IN
64 DVD CS IN DVD CS
PSDIP
Pin Name Type Short Description
64-pin
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Service Manual CP-099F
64
63
62
61
60
58
57
56
55
48
46
45
44
43
42
41
40
39
38
37
36
34
35
33
47
54
53
52
51
50
49
59
1
2
3
4
5
7
8
9
10
17
19
20
21
22
23
24
25
26
27
28
29
31
30
32
18
11
12
13
14
15
16
6
VCT 383X
KEY1
KEY2
ST-BY 5V
GND
PWR-L
SB LED
OCP
IR INPUT
MUTE-L
SLOW SW
V OUT
VRT
S GND
GND
B+ 5V
Cb IN
C1 IN
C2/Cr IN
IF V IN
SCART V IN
RCA V IN
DVD Y IN
TEST
H OUT
B+ 3.3V
GND
FBL IN
R IN
G IN
B IN
VPROT
SAFETY
DVD CS
DATA IN
DATA OUT
DVD CLK
SDA
SCL
RESET
OSC
OSC
GND
ST-BY 3.3V
A OUT1
A OUT2
A IN1
AIN2
A IN3
XREF
VRD
GND
B+ 5V
B OUT
G OUT
R OUT
SVM OUT
RSW2
RSW1
GND
SENSE
EW
VERT
VERTQ
HFLB
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Service Manual CP-099F
4-2 MSP341x Multistandard Sound Processor
The MSP 341x is designed as a single-chip Multistandard Sound Processor for applications in analogue and digital TV
sets, video recorders, and PC cards.
MSP 341x features :
- sound IF input
- No external filters required
- Stereo baseband input via integrated AD converters
- Two pairs of DA converters
- Two carrier FM or NICAM processing
- AVC : Automatic Volume Correction
- Bass, treble, volume processing
- Full SCART in/out matrix without restrictions
- Improved FM-identification
- Demodulator short programming
- Autodetection for terrestrial TV - sound standards
- Precise bit-error rate indication
- Automatic switching from NICAM to FM/AM or vice versa
- Improved NICAM synchronisation algorithm
- Improved carrier mute algorithm
- Improved AM-demodulation
- Reduction of necessary controlling
- Less external components
4-2-1- Basic Features of the MSP 341x
4-2-1-1 Demodulator and NICAM Decoder Section
The MSP 341x is designed to simultaneously perform digital demodulation and decoding of NICAM-coded TV stereo
sound, as well as demodulation of FM or AM mono TV sound. Alternatively, two carrier FM systems according to the
German terrestrial specs can be processed with the MSP 341x.
The MSP 341x facilitates profitable multistandard capability, offering the following advantages:
- Automatic Gain Control (AGC) for analogue input: input range: 0.10 - 3 Vpp
- integrated A/D converter for sound-IF input
- all demodulation and filtering is performed on chip and is individually programmable
- easy realisation of all digital NICAM standards (B/G, I, L and D/K)
- FM-demodulation of all terrestrial standards (include identification decoding)
- no external filter hardware is required
- only one crystal clock (18.432 MHz) is necessary
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Service Manual CP-099F
- high deviation FM-mono mode (max. deviation: approx. ±360 kHz)
4-2-1-2 DSP-Section (Audio Baseband Processing)
- flexible selection of audio sources to be processed
- performance of terrestrial de-emphasise systems (FM, NICAM)
- digitally performed FM-identification decoding and de-emphasis
- digital baseband processing: volume, bass, treble
- simple controlling of volume, bass, treble
4-2-1-3 Analogue Section
- two selectable analogue pairs of audio baseband input (= two SCART inputs) input level: <2 V rms,
input impedance: >25
- one selectable analogue mono input (i.e. AM sound): Not used in this chassis
- two high-quality A/D converters, S/N-Ratio: >85 dB
- 20 Hz to 20 kHz bandwidth for SCART-to-SCART copy facilities
- loudspeaker: one pair of four-fold oversampled D/A converters. Output level per channel:
max. 1.4 Vrms output resistance: max. 5
. S/N-ratio: >85 dB at maximum volume Max.
noise voltage in mute mode: < 10 V (BW: 20 Hz... 16kHz)
- one pair of four-fold oversampled D/A converters supplying a pair of SCART-outputs.
output level per channel: max. 2 Vrms, output resistance: max. 0.5 , S/N-Ratio: >85 dB (20 Hz... 16 kHz)
4-2-1-4 NICAM plus FM/AM-Mono
According to the British, Scandinavian, Spanish, and French TV-standards, high-quality stereo sound is transmitted
digitally. The systems allow two high-quality digital sound channels to be added to the already existing
FM/AM-channel. The sound coding follows the format of the so-called Near Instantaneous Companding System
(NICAM 728). Transmission is performed using Differential Quadrature Phase Shift Keying (DQPSK. Table below
offers an overview of the modulation parameters.)
In the case of NICAM/FM (AM) mode, there are three different audio channels available: NICAM A, NICAM B, and
FM/AM-mono. NICAM A and B may belong either to a stereo or to a dual language transmission. Information about
operation mode and about the quality of the NICAM signal can be read by the controlling software via the control bus.
In the case of low quality (high bit error rate), the controlling software may decide to switc h to the analogue FM/AMmono sound. Alternatively, an automatic NICAM-FM/AM switching may be applied.
4-2-1-5 German 2-Carrier System (DUAL FM System)
Since September 1981, stereo and dual sound programs have been transmitted in Germany using the 2-carrier system.
Sound transmission consists of the already existing first sound carrier and a second sound carrier additionally
containing an identification signal. More details of this standard are giv en in Tables below. For D/K very similar
system is used.
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Service Manual CP-099F
TV standards
TV Position of sound Sound modulation Color system Country
system carrier (MHz)
B/G 5.5 / 5.7421875 FM Stereo PAL Germany
B/G 5.5 / 5.85 FM-Mono / NICAM PAL Scandinavia,
Spain
L 6.5 / 5.85 AM-Mono / NICAM SECAM-L France
I 6.0 / 6.552 FM-Mono / NICAM PAL UK
D/K 6.5 / 6.2578125 D/K1 FM Stereo SECAM-East USSR
6.5 / 6.7421875 D/K2
6.5 / 5.85 D/K-NICAM FM-Mono / NICAM Hungary
Architecture of MSP341x
Sound IF 1
Sound IF 2
I
2
S1
I
2
S
I
2
S2
SCART 1
Loudspeaker
Headphone
Subwoofer
SCART 1
SCART 2
SCART 2
SCART 3
SCART 4
MONO
Pin connections and short description
Pin No. Pin Name Type Short description
1 AUDIO CLOCK OUT
2NC
3NC
4 VIDEO SW OUT VIDEO SWITCH
5 PLAY LED OUT PLAY LED SELECT
6 ADDRESS SEL IN IIC BUS ADDRESS
7 STAND BY IN STAND BY
8NC
9 SCL
10 SDA
11 IIC CLOCK IN / OUT IIC CLOCK
12 IIC SW IIC SWITCH
13 IIC DATA OUT OUT IIC DATA OUT
ADC
Prescale
PrescaleADC
DSP
SCART
Input
Select
Source Select
Loud-
speaker
Sound
Processing
Headphone
Sound
Processing
DAC
DAC
SCART
Output
Select
DAC
DAC
De-
modulator
Pre-
processing
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Service Manual CP-099F
14 IIC DATA IN IN IIC DATA IN
15 ADDRESS DATA
16 ADDRESS SWITCH
17 ADDRESS CLOCK
18 Vcc(5v)
19 Vss
20 IIC DIGITAL IN2 IN
21 NC
22 NC
23 NC
24 RESET IN
25 H-P R OUT OUT
26 H-P L OUT OUT
27 VREF2
28 R OUT OUT AUDIO R OUT
29 L OUT OUT AUDIO L OUT
30 NC
31 SUB W OUT OUT
32 NC
33 SC2 R OUT OUT AV1 AUDIO R OUT
34 SC2 L OUT OUT AV1 AUDIO L OUT
35 VREF1
36 SC1 R OUT OUT SCART AUDIO R OUT
37 SC1 L OUT OUT SCART AUDIO L OUT
38 VOL CAP A
39 Avcc(8v)
40 VOL CAP M
41 AHVss
42 AREF
43 SC4 L IN IN
44 SC4 R IN IN
45 ASGND4
46 SC3 L IN IN AV2 AUDIO L IN
47 SC3 R IN IN AV2 AUDIO R IN
48 ASGND2
49 SC2 L IN IN DVD AUDIO L IN
50 SC2 R IN IN DVD AUDIO R IN
51 ASGND1
52 SC1 L IN IN SCART AUDIO L IN
53 SC1 R IN IN SCART AUDIO R IN
54 VREFTOP
55 MONO IN IN
56 Avss
57 Avcc(5v)
58 IF INPUT1 IN IF AUDIO IN
59 IF COMMON
60 IF INPUT2 IN
61 TESTEN
62 XTAL IN IN
63 XTAL OUT OUT
64 TP
PSDIP
Pin Name Type Short Description
64-pin
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