No. 0105 CL2554AN CL2854AN SERVICE MANUAL MANUEL D’ENTRETIEN WARTUNGSHANDBUCH CAUTION: Before servicing this chassis, it is important that the service technician read Data contained within this Service the “Safety Precautions” and “Product Safety Notices” in this service manual. manual is subject to alteration for improvement.
Service manual CL2554AN / CL2854AN 1-1 Specifications TV standard PAL - SECAM B/G D/K, PAL I/I, SECAM L/L’ Sound system NICAM B/G, I, D/K, L, FM 2Carrier B/G, D/K Power consumption 21” : 49 W approx. 28” : 75 W approx.
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Service manual CL2554AN / CL2854AN Blanking Earth Red Input 0.7 Vpp ± 0.1V, Impedance 75W Fast Switching 0 to 0.4V : Logic “0”, 1 to 3V : Logic “1”, Impedance 75W Video Out Earth Video In Earth Video Output 1 Vpp ± 3dB, Impedance 75W Video Input 1 Vpp ±...
Service manual CL2554AN / CL2854AN 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. If no VPS CNI code is found, the system check if a CNI code is transmitted in the teletext lines ( Packet 8/30 format 1 ).
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Service manual CL2554AN / CL2854AN Special case : Switzerland If Switzerland is selected the TV controlling software sweeps the whole TV bands firstly with Europe system selected (negative video modulation) and secondly with France system selected ( positive video modulation).
Service manual CL2554AN / CL2854AN 2 - Safety instruction WARNING: Only competent service personnel may carry out work involving the testing or repair of this equipment. X-RAY RADIATION PRECAUTION Excessive high voltage can produce potentially hazardous X-RAY RADIATION. To avoid such hazards, the high voltage must not exceed the specified limit.
Service manual CL2554AN / CL2854AN 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.
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Service manual CL2554AN / CL2854AN 3-3-5 - Horizontal picture centring - Adjust H Shift to have the picture in the centre of the screen. 3-3-6 - East / West correction - Adjust the H Parall, H Bow, H Width, EW Parabo, Up Corner, Dw Corner, EW trapez to compensate for geometrical distortion.
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Service manual CL2554AN / CL2854AN EW Trapez 3-3-7 - AGC - Adjust the antenna signal level at 68 dBmV± 2 (UHF - CH25) - Set RF AGC to 0. - Increase RF AGC level and stop when the level on pin 6 of TDA936x goes below 2.5 Vdc...
Service manual CL2554AN / CL2854AN 4 - IC description 4-1 TDA936x TV signal processor - Teletext decoder with embedded m-Controller. TV-signal Processor l Multistandard vision IF circuit with alignment-free PLL demodulator l Internal (switchable) time-constant for the IF-AGC circuit l Source selection between 'Internal' CVBS and external CVBS or Y/C signals...
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Service manual CL2554AN / CL2854AN l Data Capture for US Closed Caption l Data Capture for 525/625 line WST, VPS (PDC system A) and Wide Screen Signalling (WSS) bit decoding Automatic selection between 525 WST/625 WST l Automatic selection between 625 WST/VPS on line 16 of VBI...
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Service manual CL2554AN / CL2854AN - Data Capture for 625 line WST - Data Capture for 525 line WST - Data Capture for US Closed Caption - Data Capture for VPS data (PDC system A) - Data Capture for Wide Screen Signalling (WSS) bit decoding...
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Service manual CL2554AN / CL2854AN - 16 -...
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Service manual CL2554AN / CL2854AN TV processor version and µ µ -Controller capacity IC version TDA9365 Nx / 3 TDA9367 Nx / 3 TV range 110° 90° QSS sound IF amplifier with separated input and AGC circuit ü ü ü ü...
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Service manual CL2554AN / CL2854AN LED 2 port 0.6 ( 8mA current sinking capability ) VSSA analogue ground of teletext decoder and digital ground of TV processor SEC PLL SECAM PLL decoupling 2nd supply voltage TV-processor DECDIG decoupling digital supply of TV-processor...
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Service manual CL2554AN / CL2854AN XTALOUT crystal oscillator output RESET reset VDDP digital supply to periphery (3.3V) Audio Mute Port 1.0 : Audio mute output (PushPull ) Power Port 1.1 : Power output (PushPull ) IR in Interrupt input 0 : R/C Infrared input...
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Service manual CL2554AN / CL2854AN - 20 -...
Service manual CL2554AN / CL2854AN 4-2 MSP3415D Multistandard Sound Processor The MSP 3415D is designed as a single-chip Multistandard Sound Processor for applications in analogue and digital TV sets, video recorders, and PC cards. MSP 3415D features - sound IF input...
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Service manual CL2554AN / CL2854AN - simple controlling of volume, bass, treble Analogue Section - two selectable analogue pairs of audio baseband input (= two SCART inputs) input level: <2 V RMS, input impedance: >25 kW - 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...
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Service manual CL2554AN / CL2854AN Test pin Test pin Test pin DVSUP Digital power supply +5V DVSS Digital Ground Not Connected Not Connected Not Connected Not Connected RESETQ Power-On-reset Not Connected Not Connected VREF2 Reference ground 2 high voltage part...
Service manual CL2554AN / CL2854AN Test pin 4-3 TDA894xJ Stereo Audio Amplifier The TDA 8944J ( TDA 8946J ) is a dual-channel audio power amplifier with an output power of 2 x 7 W ( 2 x 15 W ) at an 8 W load and a 12 V supply. The circuit contains two Bridges Tied Load (BTL) amplifiers with an all-NPN output stage and standby/mute logic.
Service manual CL2554AN / CL2854AN Block diagram TDA8944J 4-4 TDA835xJ Vertical Amplifier The TDA835xJ are power circuit for use in 90° and 110° colour deflection systems for field frequencies of 25 to 200Hz and 16/9 picture tubes. The circuit provides a DC driven vertical deflection output circuit, operating as a highly efficient class G system.
Service manual CL2554AN / CL2854AN Pinning Symbol Description Vi(pos) input voltage (positive) Vi(neg) input voltage (negative) supply voltage output voltage B ground Vflb flyback supply voltage output voltage A guard output voltage O(guard) input measuring resistor 4-4-1 TDA8358J An East-West output stage is provided that is able to sink current from the diode modulator circuit.
Service manual CL2554AN / CL2854AN Features : - Few external components - Highly efficient fully DC-coupled vertical output bridge circuit - Short rise and fall time of the vertical flyback switch - Guard circuit - Temperature (thermal) protection - High EMC because of common mode...
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Service manual CL2554AN / CL2854AN Features - Typical bandwidth of 5.5 MHz for an output signal of 60 Vpp - High slew rate of 900V/ms - No external components required - Very simple application - Single supply voltage of 200V - Internal reference voltage of 2.5 V...
Service manual CL2554AN / CL2854AN Block diagram TDA6107Q 4-6 24C08 8 Kbit EEPROM features : - 8 Kbit serial I2C bus EEPROM - Single supply voltage : 4.5 V to 5.5 V - 1 Million Erase/Write cycles (minimum) - 40 year data retention (minimum) Pin description Pin No.
Service manual CL2554AN / CL2854AN 4-7 STR - F6653 4-7-1 General description The STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback converter type switch mode power supply applications. 4-7-2 Features - Small SIP fully isolated molded 5 pins package...
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Service manual CL2554AN / CL2854AN 4-7-4 Pins description name symbol description Overcurrent / feedback O.C.P./ F.B. Input of overcurrent detection signal and feedback signal Source MOSFET source Drain MOSFET drain Supply Input of power supply for control circuit Ground Ground...
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Service manual CL2554AN / CL2854AN FUNCTIONAL DESCRIPTION OF VIDEO PROCESSOR Vision IF amplifier The vision IF amplifier can demodulate signals with positive and negative modulation. The PLL demodulator is completely alignment-free. The VCO of the PLL circuit is internal and the frequency is fixed to the required value by using the clock frequency of the m-Controller/Teletext decoder as a reference.
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Service manual CL2554AN / CL2854AN In the type TDA9367, intended for 90° picture tubes the following geometry parameters can be adjusted: · Horizontal shift · Vertical amplitude · Vertical slope · S-correction · Vertical shift The types which are intended to be used in combination with 110° picture tubes have an East-West control circuit.
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Service manual CL2554AN / CL2854AN the desired free-running frequency and the bandgap reference to obtain the correct absolute value of the output signal. The VCO of the PLL is calibrated during each vertical blanking period, when the IC is in search or SECAM mode.
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Service manual CL2554AN / CL2854AN 5-2 IF The TDA936x has an alignment free IF PLL demodulator. The fully integrated oscillator is automatically calibrated, using the 12 MHz crystal as a frequency reference. The IF frequency is simply set in TV-Processor by I2C bus.
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Service manual CL2554AN / CL2854AN Chassis block diagram : IF - 38 -...
Service manual CL2554AN / CL2854AN 5-3 Source switching The TDA936x has only one external video input, the external video switching circuit made with Q504, Q505, Q507, Q508 and Q509 allows 2 external video signal inputs. The switching command can be either the SCART1 slow switching pin 8 or the m-Controller pin 8 when the software takes control of the video source.
Service manual CL2554AN / CL2854AN This mode can be used for input only operation of the port. Special port for LED Pin 10 and 11 have the same functionality as the general I/O pins but in addition, their current source and sink capacity is 8 mA instead of 4 mA.
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Service manual CL2554AN / CL2854AN DSP section All audio baseband functions are performed by digital signal processing (DSP). The DSP section controls the source and output selection, and the signals processing. Sound Mode switching In case of NICAM transmission, the controlling software read the bit error rate and the operation mode from the NICAM Decoder.
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Service manual CL2554AN / CL2854AN Sound signal flow diagram - 42 -...
Service manual CL2554AN / CL2854AN 5-6 Sound amplification The TDA8944J (TDA8946J) is a stereo BTL audio amplifier capable of delivering 2 x 7 W (2 x 15 W) output power to an 8 W load at THD = 10%, using a 12 V power supply and an external heatsink. The voltage gain is fixed at 32dB.
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Service manual CL2554AN / CL2854AN EAST-WEST Amplifier (TDA8358J only) The East-West amplifier is current driven. It can only sink currents of the diode modulator circuit. A feedback resistor R397 is connected between the input and output of this inverting amplifier in order to convert the East-West correction input into an output voltage.
Service manual CL2554AN / CL2854AN 5-8 Power supply (STR-F6653) 5-8 -1 STR-F6653 general description The STR-F6653 is an hybrid IC with a build-in MOSFET and control IC, designed for flyback converter type switch mode power supply applications. 5-8 -2 Power supply primary part operations An oscillator generates pulses signals which turn on and off a MOSFET transistor.
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Service manual CL2554AN / CL2854AN When the power switch is pushed on, V increases slowly. During this time, C806 is charged through R802. As soon as V reaches 16V, the STR-F6653 control circuit starts operating. Then, V is obtained by smoothing the winding voltage which appears between pin6 and pin7 of the SMPS transformer.
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Service manual CL2554AN / CL2854AN * STR-F6653 oscillating operation T O P I N 4 SM PS STR-F6653 D R A I N D R I V E Comp.1 V th(1) SOU R C E R808 1 . 3 5 m A...
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Service manual CL2554AN / CL2854AN ¬ When the MOSFET is ON, the STR-F6653 internal capacitor C1 is charged at the constant voltage 6.5V. At the same time, the voltage at pin 1 (OCP / FB) increases with the same waveform as the MOSFET drain current.
Service manual CL2554AN / CL2854AN 5-9 TV start-up, TV normal run and stand-by mode operations 5-9-1 TV start-up operations * Schematic diagram for start-up operations I823 REG 3.3V G N D RESET PULSE CIRCUIT L511 L512 L510 Vddp Vddc VddA...
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Service manual CL2554AN / CL2854AN . If the TV set was on normal run mode before switching off, the microcontroller delivers horizontal drive voltage at pin 33 and picture appears on screen. . If the TV set was on stand-by mode before switching off, the microcontroller switches TV set to stand-by mode, decreasing power pin voltage (pin 63).
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Service manual CL2554AN / CL2854AN * Reset pulse circuit operations description - When DC supply voltage from I823 regulator starts rising (from 0V to 1.2V), no current flows through D591 zener diode. So, Q510 is in off mode. Also V =Vcc/2 -Vcc = -Vcc/2 >...
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Service manual CL2554AN / CL2854AN · So, I810 controlled rectifier is not conducting - Q809 is conducting. So, Q808 is not conducting and Q807 is conducting - So, Q807 collector is connected to the ground and I810 controlled rectifier gate pin is set to low (no conducting) ·...
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Service manual CL2554AN / CL2854AN * power supply functioning during TV set normal run mode - I801 transmits controlled pulses to T801 which generates DC voltages after rectifications by secondary part diodes and electro capacitors (by example by D820 and C813 on 143V (CP785) / 123V -113V (CP385) supply voltage line).
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Service manual CL2554AN / CL2854AN I810 CONDUCTING controlled rectifier I823 3.3V REGU L A T O R D821 C840 HIGH C841 A ROUND A ROUND 3. 3V dc 6V dc D825 T801 SM PS TRA N S R810 R713 I810...
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Service manual CL2554AN / CL2854AN - 55 -...
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Service manual CL2554AN / CL2854AN I810 CONTROLLED RECTIFIER 6V DC HIGH R829 R830 R820 C830 HIGH Q807 Q808 HIGH POWER Q809 I810 controlled rectifier switching circuit * TV set stand-by mode operations -On stand-by mode, I501 microcontroller pin 63 (power) is set to low.
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Service manual CL2554AN / CL2854AN 6 - Replacement parts list LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARK ZZ100 DE48D3740A01 TRANSMITTER R-40A01 REMOCON ZZ110 DEPTACPWD267 ACCESSORY AS DTA-21Y1L 00010 DE486A716200 BATTERY AAA 1.5V 10000 DE48586054K1 MANUAL DTM-2082CW INSTRUCTION M821 DE4858213800 BAG INSTRUCTION L.D.P.E T0.05X250X400...
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Service manual CL2554AN / CL2854AN ZZ200 DEPTFMSJD234 MASK FRONT AS DTL-28G7F M201 DE4852068011 MASK FRONT HIPS BK ZZ202 DEPTSPPWD165 SPEAKER AS DTL-28G2F P601A DE4850704S30 CONNECTOR YH025-04+35098+ULW=700 SP01 DE4858311110 SPEAKER 12W 8 OHM SP-58126F SP02 DE4858311110 SPEAKER 12W 8 OHM SP-58126F...
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Service manual CL2554AN / CL2854AN DE4859102130 JACK EARPHONE YSC-1537 I301 DE1TDA8358J IC VERTICAL TDA8358J I301A DE4857024422 HEAT SINK I301A, I602A (CP-785) I301B DE7174301011 SCREW TAPPTITE TT2 RND 3X10 MFZN I501 DE4859302810 IC SOCKET LSC-764-T051-00 I601 DE1MSP3415D IC RF MSP-3415D I602...
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Service manual CL2554AN / CL2854AN R803 DERS02Y473JS R M-OXIDE FILM 2W 47K OHM J SMALL R804 DERF02Y228K R FUSIBLE 2W 0.22 OHM K R808 DERS02Y821JS R M-OXIDE FILM 2W 820 OHM J SMALL R819 DERX10B339JN R CEMENT 10W 3.3 OHM J BENCH 4P...
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Service manual CL2554AN / CL2854AN C532 DECEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP C537 DECBXF1H104Z C CERA SEMI 50V F 0.1MF Z (TAPPING) C540 DECEXF1H220V C ELECTRO 50V RSS 22MF (5X11) TP C541 DECEXF1H220V C ELECTRO 50V RSS 22MF (5X11) TP...
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Service manual CL2554AN / CL2854AN C669 DECMXB1H224J C MYLAR 50V EU 0.22MF J(TP) C690 DECEXF1H479V C ELECTRO 50V RSS 4.7MF (5*11) TP C691 DECEXF1H479V C ELECTRO 50V RSS 4.7MF (5*11) TP C770 DECEXF1E101V C ELECTRO 25V RSS 100MF (6.3X11) TP...
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Service manual CL2554AN / CL2854AN Z605 DE5PXF1B471M FILTER EMI CFI 06 B 1H 470PF Z606 DE5PXF1B471M FILTER EMI CFI 06 B 1H 470PF Z607 DE5PXF1B471M FILTER EMI CFI 06 B 1H 470PF Z608 DE5PXF1B471M FILTER EMI CFI 06 B 1H 470PF...
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Service manual CL2554AN / CL2854AN J005 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J006 DE5CPZ100K02 COIL PEAKING 10UH 3.5MM K (LAL02TB) J007 DE5CPZ100K02 COIL PEAKING 10UH 3.5MM K (LAL02TB) J008 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J009 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING...
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Service manual CL2554AN / CL2854AN J055 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J056 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J057 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J058 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING J059 DE85801065GY WIRE COPPER AWG22 1/0.65 TIN COATING...
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Service manual CL2554AN / CL2854AN R115 DERDAZ682J R CARBON FILM 1/6 6.8K OHM J R116 DERDAZ222J R CARBON FILM 1/6 2.2K OHM J R117 DERDAZ222J R CARBON FILM 1/6 2.2K OHM J R120 DERDAZ101J R CARBON FILM 1/6 100 OHM J...
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Service manual CL2554AN / CL2854AN R534 DERDAZ102J R CARBON FILM 1/6 1K OHM J R537 DERDAZ101J R CARBON FILM 1/6 100 OHM J R538 DERDAZ101J R CARBON FILM 1/6 100 OHM J R539 DERDAZ101J R CARBON FILM 1/6 100 OHM J...
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Service manual CL2554AN / CL2854AN R711 DERDAZ431J R CARBON FILM 1/6 430 OHM J R713 DERDAZ681J R CARBON FILM 1/6 680 OHM J R720 DERDAZ122J R CARBON FILM 1/6 1.2K OHM J R721 DERDAZ181J R CARBON FILM 1/6 180 OHM J...
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Service manual CL2554AN / CL2854AN RA16 DERDAZ680J R CARBON FILM 1/6 68 OHM J RA19 DERDAZ750J R CARBON FILM 1/6 75 OHM J RA20 DERDAZ473J R CARBON FILM 1/6 47K OHM J RA21 DERDAZ473J R CARBON FILM 1/6 47K OHM J...
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Tel: 01628 643000 Email: dimitra.vlachou@hitachi-eu.com Fax: 01628 643400 Email: consumer-service@hitachi-eu.com HITACHI SALES EUROPA GmbH. HITACHI SALES IBERICA, S. A Am Seesterns 18 Gran Via Carlos III,, 101 - 1 40547 Dusseldorf 08028 Barcelona GERMANY SPAIN Tel: 02 11 – 5 29 15 – 0 Tel: 093 409 2550 Fax: 02 11 –...