Daewoo DV-F24J Manual
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Daewoo DV-F24J Manual

Daewoo DV-F24J Manual

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SPECIFICATIONS
SYSTEM
Video signal
Channel coverage
VHF output signal
VIDEO
Input: Video line in
Output: Video line out
Signal to noise ratio
Horizontal resolution
AUDIO
Input: Audio Line in
Output: Audio line out
All manuals and user guides at all-guides.com
NTSC color
VHF Channel 1-12
UHF Channel 13-62
CATV Channel C13-C35
Channel 1 or 2 (selectable)
Phono-type connector
1.0V (p-p)
75 ohms unbalanced, sync.
negative
Phono-type connector
1.0V (p-p)
75 ohms unbalanced, sync.
negative
More than 43dB (SP)
230 lines
Phono-type connector
more than 47K ohms,
–8 dBm, unbalanced
Phono-type connector
less than 1K ohms,
–6dBm (more than 47K ohms
load), unbalanced
Frequency response
Signal to noise ratio
Audio Distortion
TAPE TRANSPORT
Tape width
Tape speed
Maximum recording time
FF. REW time
GENERAL
Power requirements
Power consumption
DIMENSIONS
Set size (WxHxD)
Carton size (WxHxD)
Weight (gross)
100 Hz-10KHz (SP)
More than 40 dB
Less than 3% (SP)
12.65mm (1/2")
SP: 33.35 mm/sec
LP: 16.67 mm/sec
EP: 11.12 mm/sec
480 min, with T-160 tape (EP)
Approx 5 min (T-120)
100V, 50Hz AC only
17W
360x90x312 mm
431x175x397 mm
5.4Kg (11.9 lbs)

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  • Page 1 All manuals and user guides at all-guides.com SPECIFICATIONS SYSTEM Frequency response 100 Hz-10KHz (SP) Signal to noise ratio More than 40 dB Video signal NTSC color Audio Distortion Less than 3% (SP) Channel coverage VHF Channel 1-12 UHF Channel 13-62 CATV Channel C13-C35 TAPE TRANSPORT VHF output signal...
  • Page 2 All manuals and user guides at all-guides.com • Safety Check after Servicing Examine the area surrounding the repaired location for damage or deterioration. Observe that screws, parts and wires have been returned to original positions. Afterwards, perform the following tests and confirm the specified values in order to verify compliance with safety standards.

  • Page 3: Table Of Contents

    All manuals and user guides at all-guides.com TABLE OF CONTENTS SECTION 1. CONTROLS AND FUNCTIONS ......................2 SECTION 2. ELECTRICAL ADJUSTMENTS 2-1. SERVO CIRCUIT ADJUSTMENT METHOD ........................3 2-2. VIDEO CIRCUIT ADJUSTMENT METHOD........................4 2-3. AUDIO CIRCUIT ADJUSTMENT METHOD........................10 SECTION 3. TROUBLE SHOOTING FLOW CHART 3-1.
  • Page 4 All manuals and user guides at all-guides.com CONTROLS FRONT SECTION DV-F24J PLAY EJECT POWER STOP REC / OTR CH/TRACK REAR ANT.IN VIDEO AUDIO RF OUT CH.1 CH.2...

  • Page 5: Servo Circuit Adjustment Method

    All manuals and user guides at all-guides.com ELECTRICAL ADJUSTMENT SECTION 2. 2-1. SERVO CIRCUIT ADJUSTMENT METHOD 1. PB Phase Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal CH 1: PT01 ! R595 CH 2: VIDEO Oscilloscope DN-1 OUTPUT JACK Location of Adjustment Parts Observation Waveform...

  • Page 6: Video Circuit Adjustment Method

    All manuals and user guides at all-guides.com 2-2. VIDEO CIRCUIT ADJUSTMENT METHOD 1. EE LEVEL Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal LINE INPUT CH1: TJ313 Signal Gen. Color Bar # R395 & STOP CH2: TJ395 Oscilloscope with 100% white Location of Adjustment Parts...
  • Page 7 All manuals and user guides at all-guides.com 2. PLAYBACK VIDEO OUTPUT LEVEL Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal CH 1: TJ313 $ 396 CH 2: VIDEO Oscilloscope DN-1 OUTPUT JACK Location of Adjustment Parts Observation Waveform H-Axis: 50us/div V-Axis: 0.5v/div MAIN PCB...
  • Page 8 All manuals and user guides at all-guides.com 3. COMB PHASE Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal LINE INPUT CH1: TJ313 Signal Gen. % R494 Multiburst & STOP CH2: TJ494 Oscilloscope Location of Adjustment Parts Observation Waveform H-Axis: 10us/div V-Axis: 20mv/div MAIN PCB...
  • Page 9 All manuals and user guides at all-guides.com 3. SYNC TIP FREQ. Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal +: TJ391 & R391 STOP Freq. Counter Without signal –: GND Location of Adjustment Parts Observation Waveform H-Axis: V-Axis: MAIN PCB HEAD-AMP...
  • Page 10 All manuals and user guides at all-guides.com 5. COLOR REC CURRENT Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal LINE INPUT CH1: TJ313 Signal Gen. * R491 Color Bar & STOP CH2: TJ399 Oscilloscope Location of Adjustment Parts Observation Waveform H-Axis: 10us/div V-Axis: 20mv/div...
  • Page 11 All manuals and user guides at all-guides.com 6. Y REC CURRENT Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal LINE INPUT CH1: TJ313 Signal Gen. ( R399 Color Bar & STOP CH2: TJ399 Oscilloscope Location of Adjustment Parts Observation Waveform H-Axis: 10us/div V-Axis: 50mv/div...

  • Page 12: Audio Circuit Adjustment Method

    All manuals and user guides at all-guides.com 2-3. AUDIO CIRCUIT ADJUSTMENT METHOD 1. Audio REC Bias Mode Adjustment Parts Check Point Test Equipments Test Tape Input Signal +: TP1 ) R292 –: TP2 Audio level meter Blank tape Without signal (A/C HEAD PCB) Location of Adjustment Parts Observation Waveform...

  • Page 13: Section 3. Trouble Shooting Flow Chart

    All manuals and user guides at all-guides.com TROUBLE SHOOTING FLOW CHART SECTION 3. 3-1. POWER CIRCUIT • When change the parts which are out of order, first, remove the power plug from the socket and then discharge the voltage across between both terminals of C807. (Use an external scores of KΩ resistance) •...
  • Page 14 All manuals and user guides at all-guides.com B. CHECKING THE SECONDARY CIRCUIT. Change D811 and check IS D811 Short? IC801 and primary circuit. Check each votage. Check Trans output of No output stage. Check the DIODE of NO output stage. Check COIL, C of No output stage.

  • Page 15: Logic Circuit

    All manuals and user guides at all-guides.com 3-2. LOGIC CIRCUIT Digitron does not operate. Is+5V supplied to Check the Is+5V supplied to pin of IC701? Fuse of F802. CATHOD of D712? Check the connector and pattern. Is-24V supplied to pin of IC701? Is-28V at D614 Check D814 and anode?
  • Page 16 All manuals and user guides at all-guides.com Digitron is lit but key do not operate. Is each key pulse Check key matrix applied to pin , circuit. and of IC701? Check the pin serial of pin , ~ of IC701. 65 67 It has not power-failure compensation...

  • Page 17: Video Circuit

    All manuals and user guides at all-guides.com When change the channel broadcast signal is not received. Is the external ANT. Change and check the connected to RF IN of connection of CABLE VCR and RF OUT of TV? Is the Power of VCR Power On and select ON and the VCR the VCR mode by...
  • Page 18 All manuals and user guides at all-guides.com 3-3. SERVO/SYSCON CIRCUIT Playback picture is not good. Noise appears Adjust although adjusting tracking. tracking. Noise shakes up Noise appears Check and and down on the although change re-adjust the screen. cassette tape. Path of Deck.

  • Page 19: Head-Amp Circuit

    All manuals and user guides at all-guides.com Playback picture is not good. Noise appears Check Flow A. on the screen whole. Are SW pulse and Is SW pulse supplied Check D.PG input HA SW applied to from pin of IC601? and connector.
  • Page 20 All manuals and user guides at all-guides.com Drum M/T loading stops. Is Motor 12V supplied? Check power circuit. Is pin D.FG of Check C505, R506, R507 IC601 supplied? and C516. Is pin D.PWM (pin ) Check IC601. of IC601 supplied? Check connector and Motor.
  • Page 21 All manuals and user guides at all-guides.com Drum M/T and Capstan M/T rotate at regular speed (In REC mode). Is C. Sync applied to Check C. Sync of pin of IC601? VIDEO IC and Pattern. Check Motor. Emergency mode when connecting the Power cord.
  • Page 22 All manuals and user guides at all-guides.com Cassette is not inserted. Is Motor 12V supplied? Check power circuit. Is there the changes Check connector. Check DECK part. CAM DATA when CST IN? Is 5V applied to pin Is 5V supplied at Check PATTERN.

  • Page 23: Audio Circuit

    All manuals and user guides at all-guides.com 3-4. AUDIO CIRCUIT No sound in the playback mode. Is the output at pin Is 9V applied to pin Check Q204 and of IC201? of IC201? power circuit. Is 5V applied to pin of IC201? Check IC601.
  • Page 24 All manuals and user guides at all-guides.com No sound in the playback mode after reccording. Is the signal applied to Check circuit adjacent pin of IC201? to IC151. Is 5V applied to Check IC601. pin of IC201? Is there output at Check IC201.
  • Page 25 All manuals and user guides at all-guides.com 3-5. VIDEO CIRCUIT A.EE MODE PIcture N.G Is video signal input Check PIF circuit into pin of IC151? and LINE IN JACK. Is 12V supplied at Check ON/OFF 12V circuit. of IC151? Check IC601 pin.
  • Page 26 All manuals and user guides at all-guides.com B. PB VIDEO SIGNAL N.G Is envelope output from Is 5V supplied at Check power IC401 , pins? IC401 pin? circuit. Is sw pulse input into Check IC601 IC401 pin? pin. Claen head or change head.
  • Page 27 All manuals and user guides at all-guides.com C. REC VIDEO SIGNAL N.G Check EE mode. Is Luminance and Color Is signal input into signal output Check INPUT selector circuit. IC301 pin? from IC301 pin? Is REC signal input Check Q311, Q312. Check R399, R491.
  • Page 28 All manuals and user guides at all-guides.com D . OSD Character N.G Is 5V supplied at ICS01 and pins? Check ON/OFF 5V. Check oscillation of ICS01 , . Check XS01 (14.3MHz). 16 17 Check serial data (ICS01 pin). Check IC601. Change ICS01 and check OSD circuit.
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  • Page 43: Section 6. Voltage Chart

    All manuals and user guides at all-guides.com VOLTAGE CHART SECTION 6. 6-1. IC VOLTAGE (SP MODE) 1. IC151 (MC14053B) MODE MODE LINE LINE PIN NO PIN NO 12.0 12.0 12.0 12.0 12.0 2. ICS01 (168K24J5JL) MODE MODE LINE LINE PIN NO PIN NO...
  • Page 44 All manuals and user guides at all-guides.com 3. IC701 (M34240M2-XXXSP) MODE MODE PIN NO PIN NO -7.5 -19.9 -20.1 -23.2 -23.3 -23.3 -23.3 -23.3 -23.6 -23.3 -23.3 -23.3 -20.1 -23.3 -20.1 -23.3 -23.3 -20.1 -23.2 -23.2...
  • Page 45 All manuals and user guides at all-guides.com 4. IC201 (BA7790LS) MODE MODE PIN NO PIN NO -1.5 5. IC303 (LC89960) MODE MODE REC/PB REC/PB PIN NO PIN NO...
  • Page 46 All manuals and user guides at all-guides.com 6. IC301 (LA7184) MODE MODE PIN NO PIN NO...
  • Page 47 All manuals and user guides at all-guides.com 7. ICA01 (LA7374) MODE MODE PIN NO PIN NO 8. IC602 (TA7288P, DBL2018C) MODE MODE REC/PB REC/PB PIN NO PIN NO 12.6 12.6 9. IC606 (MN1380L) MODE REC/PB PIN NO...
  • Page 48 All manuals and user guides at all-guides.com 10. IC601 NAME ASSIGNMENT ACTIVE NAME ASSIGNMENT ACTIVE CTL/TEST CONTROL PULSE TEST PORT PULSE TRICK/H TRICK/HIGH HIGH VS/SHARP E.E. : VS TUNING, PULSE REC (L) REC : LOW PLAYBACK : SHARPNESS SP (H) SP : HIGH HIGH CAP PWM...
  • Page 49 All manuals and user guides at all-guides.com NAME ASSIGNMENT ACTIVE NAME ASSIGNMENT ACTIVE Xcout 32.768KHz OSC OUT CLAMP (–) REFERENCE TO CTL CIRCUIT TV/LINE TV/LINE : PORT CTLAMPout REFERENCE TO CTL CIRCUIT LM/ON LOADING MOTOR ON HIGH AMPC REFERENCE TO CTL CIRCUIT LM F/R LOADING MOTOR FWD/RVS CTLAMPin...

  • Page 50: Tr Voltage

    All manuals and user guides at all-guides.com 6-2. TR VOLTAGE (SP MODE) 1. PIF & INPUT SELECTOR 2. AUDIO * TV mode, ( ) Line mode * PB mode, ( ) REC mode Port Port Emitter Colletor Base Emitter Colletor Base Tr No.
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  • Page 53 All manuals and user guides at all-guides.com ELECTRICAL PARTS LIST SECTION 9. 9-1. STANDARD PART NUMBER CODING 9-1-1. RESISTOR CODING 1. Fixed Resistor Coding Tolerance Type of Resistor Type of Resistor Distance Value Example Symbol Tolerance C Composition Resistor Code Wattage Code Distance...
  • Page 54 All manuals and user guides at all-guides.com 9-1-2. CAPACITOR CODING 1. Normal Value Distance Type Distance (Same as Fixed (Same As (Same as Fixed Code Type Code Voltage Resistor) Fixed Resistor) Resistor) Aluminum 6.3V Barrier Layer Shape Ceramic Electrolytic Characteristic Line Across Mylar Styrol...

  • Page 55: Pcb Main

    All manuals and user guides at all-guides.com 9-2. ELECTRICAL PARTS LIST 9-2-1. PCB MAIN AS REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION CS01 HCLK240JCA C CHIP CERA SL 50V 24PF J 2012 C209 CEXE1H108A C ELECTRO 50V RS 0.1MF (5X11) TP...
  • Page 56 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION C324 CBXF1H104Z C CERA SEMI 50V F 0.1MF Z (TAPPING) C505 CEXE1H100A C ELECTRO RS 50V 10MF (5x11) TP C325 CEXE1H100A C ELECTRO...
  • Page 57 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION C801 CH1BEF103Z C CERA AC U/C/V 2.5KV 0.01MF D602 DZN4003--- DIODE IN4003 C802 CH1BEB221K C CERA AC U/C/V 2.5KV SCB2G221K10BS D603 DZN4003--- DIODE...
  • Page 58 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION F802B 97P460170P CLIP FUSE PFC5000-0702 Q151 TZSR1004-- KSR1004 (AUTO) ICS01 168K24J5JL IC OSD 168KM35012-101SP Q152 TZTA1273Y- KTA1273Y (966Y) IC151 173F14053B IC CMOS MC14053B (TRIPLE 2CH MUX)
  • Page 59 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION RS04 RD-AZ101J- R CARBON FILM 1/6 100 OHM J R216 HRFT472JCA R CHIP 1/10 4.7K OHM J 2012 RS05 RD-AZ102J- R CARBON FILM 1/6 1K OHM J...
  • Page 60 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION R326 HRFT133JCA R CHIP 1/10 13K OHM J 2012 R501 HRFT302JCA R CHIP 1/10 3K OHM J 2012 R327 RD-AZ203J- R CARBON FILM 1/6 20K OHM J...
  • Page 61 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION R629 HRFT102JCA R CHIP 1/10 1K OHM J 2012 R816 RD-AZ392J- R CARBON FILM 1/6 3.9K OHM J R630 HRFT102JCA R CHIP 1/10 1K OHM J 2012...

  • Page 62: Pcb Logic

    All manuals and user guides at all-guides.com 9-2-2. PCB LOGIC AS REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION R701 RD-AZ105J- R CARBON FILM 1/6 1M OHM J C701 CCXF1H103Z C CERA 50V F0.01MF Z (TAPPING R702 RD-AZ473J- R CARBON FILM...
  • Page 63 All manuals and user guides at all-guides.com REF. PART CODE PART NAME PART DESCRIPTION REF. PART CODE PART NAME PART DESCRIPTION CA21 HCFK104ZCA C CHIP CERA Y5V 50V 0.1MF Z 2012 QA03 TZTC3198Y- KTC3198Y-(1815Y) (AUTO) CA22 HCFK103ZCA C CHIP CERA Y5V 50V 0.01MF Z 2012 QA05 TZTA1266Y-...

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