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: In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center (http://svc.dwe.co.kr). DAEWOO ELECTRONICS CO., LTD. http : //svc.dwe.co.kr Jun. 2002...
SAFETY&PRECAUTIONS SAFETY CHECK AFTER SERVING Examine the area surrounding the repaired location for damage or deterioration. Observe that screw, parts and wires have been returned to original positions. Afterwards, perform the following tests and con- form the specified values in order to verify compliance with safety standards. 1.
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SAFETY&PRECAUTIONS 4. Leakage current test Confirm specified or lower leakage current between B(earth ground, power cord plug prongs) and externally exposed accessible parts (RF terminals, antenna termi- nals, video and audio input output terminals, microphone jacks, earphone jacks, etc.) Measuring method:(Power ON) Insert load Z between B(earth ground, power cord plug prongs) and exposed accessible parts.
EXTERNAL VIEWS 2. REAR VIEWS FUNCTION 1)AC POWER CORD 10)TAPE END terminal 2)WARNING OUT terminal 11)PANIC IN terminal 3)SERIES IN terminal 12)COM terminal 4)COM terminal 13)ALARM OUT terminal 5)SERIES OUT terminal 14)ALARM IN terminal 6)SW OUT terminal 15)MIC (microphone input) jack 7)VIDEO OUT jack 16)AUDIO OUT jack 8)VIDEO IN jack...
ELECTRICAL ADJUSTMENT 1. SERVO/SYSCON CIRCUIT ADJUSTMENT METHOD v VIDEO HEAD SWITCHING POSITION Adjustment Part Checking Point Measuring Equipment Mode Test Tape TJ396 R595 OSCILLOSCOPE Play DN-1 (Color Bar) PT501 PIN3 v CONNECTION METHOD TJ396 CH-1 Oscilloscope CH-2 R595 PT501 v ADJUSTMENT PROCEDURE 1) Play back the test tape.
SPECIFICATIONS-I (20 field-per second with T-160 Tape) 40Hours Real Time Record Mode with T-160 Tape 8000Hour Lifetime guarantee Ball Bearing CAPSTAN MOTOR Mounting DIGITAL SHUTTLE function( REVERSE PLAY & REVERSE SLOW) RS-232C COMMUNICATION PC INTERFACE Up-to 1280 Hours Recording (T-160 Tape) Super Clear Picture - Over 350 Lines Horizontal Resolution(B/W) - Over 300 Lines Horizontal Resolution(Color)
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SPECIFICATIONS-II Video Signal system NTSC REC/PB System Helical scanning system Tape Width 12.65mm (1/2 inch), VHS Record system of Luminance Signal Frequency modulation record Record system of Color Signal Down converted subcarrier phase shift system 2H : 33.35mm/s (SP), 6H : 11.12mm/s(EP), Tape Speed (T-120) 18H : 3.71mm/s, 36H : 1.85mm/s SP:2/48/72/96/120/168/240/360/480/720/960H,...
CIRCUIT OPERATION 1. SERVO SYSCON PART 1-1) BLOCK DIAGRAM LOADING CAPSTAN DRUM CAM DRIVE SPEED CTL PG FG AMP Start end IC501 SENSOR M37775M5H & u-COM REEL PROCESSOR SENSOR BACK OSC& UP BATT RESET AUDIO TERMINAL VIDEO BLOCK BLOCK BLOCK <K682N-T/U SERVO SYSCON BLOCK>...
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CIRCUIT OPERATION 1-2) TIME LAPSE RECORDING METHOD The numbers of VHS 2HOUR (SP), 6HOUR (EP) REC FIELD are 60 field/sec, then it will be 1FRAME = 33.3Ms, 1FIELD = 16.65Ms. CAPSTAN MOTOR FG numbers for Time Lapse are 6HOUR(EP) = 720 numbers/sec, 2HOUR(SP) = 720*3=2160 numbers/sec.
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CIRCUIT OPERATION 1-3) TERMINAL PART ALARM INPUT Connect DOOR SW&SENSOR etc and this port will be used for emergency recording by using open/ close status. N/O(NORMALY OPEN) 500ms N/C(NORMALY CLOSED) 500ms ALARM OUTPUT This port is always triggered during ALARM REC, which is used to inform the outside that time lapse VCR is now performing Alarm Recording.
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CIRCUIT OPERATION TAPE END OUT When the recording tape ends during recording, end sensor will be detected. This port is used Alarm to outsider until release the end sensor detecting. END Detect END Detect HIGH SW OUTPUT This port is used triggering video signal with external equipment during recording. VIDEO SIGNAL 1FIELD...
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CIRCUIT OPERATION SERIES INPUT When the series recording proceeds after setting the series recording to “on”, this port is used to receive the control signal to the set which will be recorded continuously after pre-recording set. 200ms WARNING OUTPUT This port is used to inform emergency status of Time Lapse VCR Set to outsider. EMERGENCY status term HIGH...
RS-232C INTERFACE(RS-232C) 9-pin connector layout Pin number Signal Operation Signal direction Receive data VCR Computer Send data VCR Computer Request to send VCR Computer Signal ground • The signal transmission is compatible with RS-232C specifications. VCR pin number Computer pin number •...
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RS-232C SECUNET SW INSTALLATION 1. This will install SECUNET on your computer. It is recommended that you exit all other programs before proceed with installation. Click <Next> to continue installation. Or, click <Cancel> to cancel installation.
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RS-232C 2. This will be installed to following folder. Click <Install> to begin installation to following folder. To install to a different folder, Either enter install path, Or, click <Browse> and select another folder. space needed: 3,915bytes.
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RS-232C 3. Update your file in the screen above and click <Yes>, 4. To complete installation, system must be restarted. Click<Yes>.
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RS-232C 5. Click <Confirm>. Connect TimeLapse VCR with PC Necessary articles • 232C Serial Cable (9 pin) • Personal Computer • TimeLapse VCR How to connect • Connect 232C Serial Cable to Com1 of Personal Computer . Problem & Solution If the communication Press RESET button of this set and speed of this set isn’...
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RS-232C FUNCTIONS On a screen below, you can control normal operation with remote control. The explanation of the display for each function 1 Title Input Field The character or number which is input in VCR menu is displayed on your PC by RS-232C Communication. 2 Rec speed or Play speed Rec speed is displayed at usual.
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RS-232C COMMUNICATIONS SPEED SETTING 1. You can change RS232C communication speed by pressing down menu of setting in above screen. 2. On screen above, click<SETTING> with mouse. Then “ SET” will appea. Click <SET>, so you can control various communication speed like step3.
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RS-232C click <OK>. Set the ‘ S PEED and COMPORT’ on small window and Then you can see the changed communication speed and comport. * The communication speed of VCR and Computer is fixed to 9600bps at default value. * The communication comport of Computer is fixed to COM1 at default value. 4.
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RS-232C 2. SINGLE COMMAND & DATA DATA REQUEST PC’ s key requesting Status from VCR The case which DATA from PC to VCR is proper The case which DATA from PC to VCR isn’ t proper 3. STATUS 3.1 NORMAL STATUS 3.1.1 DATA FORMAT <06><40><STATUS1><STATUS2><STATUS3><STATUS4><CHECK SUM>...
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RS-232C 3.1.3 STATUS2 BIT DESCRIPTION ErrorCNT 1:EMERGENCY 2: REEL NG 3:DRUM NG 4:SENSOR NG SP : 1 LP,EP:0 REC INHIBIT END SENSOR START SENSOR 3.1.4 STATUS3 BIT DESCRIPTION PWRON REPEAT REC YES SERIES REC YES HIGH PICTURE ALARM REC 3.1.5 STATUS4 BIT DESCRIPTION 0:19200 1:9600 2:4800 PAL_T...
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RS-232C <hour> Description about data Status Description hour D6 is 1:MINUS 0:PLUS 3.5 VERSION STATUS 3.5.1 DATA FORMAT <03H><44H><VERSION><CHECK SUM> 3.6 VR DATE STATUS 3.6.1 DATA FORMAT <05H> <45H> <year> <month> <date> <CHECKSUM> 3.7 VR TIME STATUS 3.7.1 DATA FORMAT <06H>...
TROUBLE SHOOTING FLOW CHART 1. POWER CIRCUIT When changing the parts which are broken first, remove the power plug from the socket and then dis- charge the voltage across the terminals of C806. (Use an external KΩ resistance) When check the primary circuit , use the oscilloscope isolated properly (Use the isolated transformer) and connect GND to the primary GND, however it is not necessary to isolate the oscilloscope when check the secondary circuit.
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TROUBLESHOOTING FLOW CHART B. CHECKING THE SECONDARY CIRCUIT Check each output voltage Check M801. Check any diode which causes no power Check any COIL, or capacitor which causes no power...
TROUBLESHOOTING FLOW CHART 2. SERVO-SYSCON CIRCUIT Playback picture Manual TRK(+),(-) adjust. is not good Noise appears Noise appears Check and re-adjust although although change the path of Deck. adjusting tracking. cassette tape. CTL HEAD height Adjust the HEAD Is CTL pulse output is normal and height and at pin 25 of IC501?
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TROUBLESHOOTING FLOW CHART Playback picture is not good. Noise appears on the Noise appears on the Check flow A. screen on the whole. screen at the bottom Check the PG Adjustment. Is SW-pulse applied to Is sw pulse supplied Check D.PG input video IC? from pin 18 of IC501? and connector.
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TROUBLESHOOTING FLOW CHART Auto-stop during playback. Is reel pulse applied to Check reel sensor. pin 5 and 6 of IC501? Is D. FG applied to Check connector and pin 24 of IC501? D. FG circuits. Check IC501.
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TROUBLESHOOTING FLOW CHART Drum M/T loading stops. Is motor 12V supplied Check circuit adjacent from IC 504 pin 7, 8? EVER +12.4V. Check power module. Is 5.2V supplied from Check D814. POWER CIRCUIT? Check connector and motor.
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TROUBLESHOOTING FLOW CHART Capstan M/T loading stops. Check power Module. Is motor 12V supplied? Is the input of pin 6 Check circuit of R600, of P501 2.7V~3.7V? R517, R520, C509, C511. Check R525, R526. Is pin 4 of P501 2.5V? Does pin 3 of IC501 Check IC501.
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TROUBLESHOOTING FLOW CHART Drum M/T and capstan M/T rotate at irregular speed. (IN REC MODE) Is C. sync applied to Check C. sync of video pin 93 of IC501? IC and pattern. Check motor Emergency mode when plugging (power cord) Is ever 5V applied? Check power Module.
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TROUBLESHOOTING FLOW CHART Cassette is not inserted. Check power Module. Is motor 12V supplied? CAM DATA is changed Check connector. when CST IN? Is 5V supplied at Check Deck part. pin 31 of IC501? Check pattern Check IC501. and R572.
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TROUBLESHOOTING FLOW CHART Power compensation does not operate. When mains is unplugged, Check C548, C523, is 3.6V at pin 26,pin 81 of IC501? C547, C524. Is (sine) signal applied to Check X502. pin 42 and 43 of IC501? Check reset circuit Is 5V at pin 37 of IC501? Of IC503.
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TROUBLESHOOTING FLOW CHART 3. RS232C A. Software Trouble Shoot A-1. Communication speed confirmation Make sure that the communication speed between PC and TIMELAPSE VCR is correspond to each other. A-2. Communication part Confirmation. Communication serial port on PC is made of COM1 and COM2 in general. Make sure that the comport on secunet V1.0 program and that of PC is correspond to each other.
u-COM PORT DESCRIPTION PORT PORT NAME DESCRIPTION S OUTPUT Series record output S INPUT Series record input C PWM Capstan control D PWM Drum control S REEL Supply reel T REEL Take up reel ARMIN Alarm in BUZ SIG Buzzer sound signal AUDIO 24H (H) Audio 24H Output level control REC MUTE...
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u-COM PORT DESCRIPTION PORT PORT NAME DESCRIPTION Xout Xout Xout 16MHz out CLKSET Xcin Xcin Xcin 32MHz in Xcout Xcout Xcout 32MHz out DATA Video data Video clock A MUTE (H) Audio Mute HIGH POWER ON(L) PB LOW D SEL Drum select KEY4 Key IN 4...
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u-COM PORT DESCRIPTION PORT PORT NAME DESCRIPTION 232TX RS232 TX 232RX RS232 RX TRICK(H) TRICK (H) 232 RTS RS232 RTS WARNING OUTPUT Warning output REC SAFETY Record protect END SENSOR End sensor A/D IN START SENSOR Start sensor A/D IN PWR FAIL (L) Power fail A/D IN F/R ADJ...
ELECTRICAL PARTS LIST Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center. PART=CODE PART-NAME PART-DESC...
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ELECTRICAL PARTS LIST PART=CODE PART-NAME PART-DESC REMARK PART=CODE PART-NAME PART-DESC REMARK B0600 97S2702600 GEAR L LOADING DURACON M90-02 NATURAL B2140 97S3002900 SPG IDLER SUS304WPB D0.3 B0610 97S2605000 LEVER L LOADING SECC T1.0 A2200 97S3108200 POLYWASHER D2.6XD6.0XT0.5 B0620 97S2605200 LEVER L LOADNIG SUB SECC T1.0 A2300 97S2901600...
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ELECTRICAL PARTS LIST PART=CODE PART-NAME PART-DESC REMARK PART=CODE PART-NAME PART-DESC REMARK BA04 7175301012 SCREW TAPPTITE TT2 FLT 3X10 MFZN BLACK 97PB411700 PCB JACK AXIAL DV3K603NZ-JD BA05 7175301012 SCREW TAPPTITE TT2 FLT 3X10 MFZN BLACK C911 CBZP1C103M CERA SEMI 16V Y5S 0.01MF M IC902 1MAX232N-- IC DRIVER...
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DAE WOO E LE C TR ONIC S C OR P . 686, AHY E ON-DONG , MAP O-G U, S E OUL, K OR E A. C .P .O. B OX 8003 S E OUL K OR E A P R INTE D DATE : DEC 2002...
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