Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo TV cp062_213
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Service Manual
TV / VCR Combination
CHASSIS : CP-062
MODEL : DVT-14/20H1(T)F DVT-14/20H2(T)F
DVT-14/20H1(T)P DVT-14/20H2(T)P
DVT-14/20H1(T)D DVT-14/20H2(T)D
DVT-14H2(T)FG/(T)PG DVT-14H2(T)FB/(T)PB
SPECIFICATIONS
ITEMS MODEL
REMARK
DVT-14/20H1(T)F DVT-14/20H2(T)F DVT-14/20H1(T)P DVT-14/20H2(T)P
, , , ,
DVT-14/20H1(T)D, DVT-14/20H2(T)D, DVT-14H2(T)FG/(T)PG , DVT-14H2(T)FB/(T)PB
TV SECTION STANDARD PAL-B/G(F MODEL), PAL-I/II(P MODEL), PAL/SECAM-B/G, D/K (D MODEL)
SCREEN SIZE 14": A34JLL90X01, A34AGT13X, A33LPE02X01, A34EAC01X06,
20": A48JLL90X01, A48LPE01X01, A48EAX33X01
MAIN VOLTAGE 220V~240V AC, 50Hz
POWER STAND BY MODE : BELOW 5 Watts
CONSUMPTION OPERATION MODE : 14" = 59Watts, 20" = 65Watts
SOUND OUTPUT 1Wmin(14"), 1.2 Wmin(20")(at 60% mod., 10% THD)
SPEAKER 3Watts 8 Ohm
ANTENNA
IMPEDANCE 75 Ohm unbalanced input
TUNING SYSTEM FVS(FREQUENCY SYNTHESIS) TUNING
TUNER VHF-L: E2-S7, VHF-H:S8-S36, UHF:S37-E69(PAL-I = UHF ONLY)
NUMBER OF PROGRAM 70 PROGRAM
AUX. TERMINAL SCART JACK (REAR)
REMOTE CONTROLLER R-46C with 2 "AAA" type batteries
OTHER FEATURE ON SCREEN DISPLAY SLEEP TIMER, WAKE UP TIMER
,
FULL AUTO SEARCH, MANUAL/FINE TUNING
CHILD LOCK, AUTO REPEAT
PICTURE TYPE SELECTION(NORMAL 1/2, FAVOURITE)
INDEX SEARCH, TV/AV
VIDEO SECTION SINGLE SYSTEM PAL/SECAM colour and CCIR mono chrome signals, 625lines/50fields.
RECORDING SYSTEM Rotary 2-Head herical Scan with a slant double azimuth combination video head
INPUT 1Vp-p, 75 ohms, unbalanced
OUTPUT 1Vp-p, 75 ohms, unbalanced
SIGNAL TO NOISE RATIO 45dB with NETTETE IMAGE control at center position.
HORIZONTAL RESOLUTION 240lines with NETTETE IMAGE control at center posion
AUDIO RECORDING SYSTEM LONGITUDINAL TRACK
INPUT -3.8dBm(500m Vrms), more than 47 Kohms, unbalanced
OUTPUT -3.8dBm(500mVrms), less than 1Kohm, unbalanced
FREQUENCY RANGE 100Hz to 8KHZ
SIGNAL TO NOISE RADIO 40dB(more than)
GENERAL TEMPERATRE 5 C to 35 C(operating), -20 C to 60 C(storage temperature)
FORMAT standard
TAPE WIDTH 12.65mm
TAPE SPEED SP : 23.39mm/sec, LP : 11.70mm/sec
MAX. RECORDING TIME SP :240min. win E-240 video cassette
WITH FULLSIZE CASSETTE LP :480min. with E-240 video cassette
DAEWOO ELECTRONICS CO., LTD
http : //svc.dwe.co.kr Aug.2000
TABLE OF CONTENTS
SAFETY INSTRUCTION .................................................................................................... 2
SPECIFICATION ............................................................................................................ 3
CIRCUIT BLOCK DIAGRAM ............................................................................................ 4
ALIGNMENT INSTRUCTIONS............................................................................................ 5
SERVICE REMOCON DIAGRAM ..................................................................................... 8
SCHEMATIC DIAGRAM .................................................................................................. 11
EXPLODED VIEW .......................................................................................................... 13
PRINTED CIRCUIT BOARD............................................................................................... 15
SERVICE PARTS LIST ....................................................................................................... 16
Different parts list for size .................................................................................................................. 27
The different parts list for system ....................................................................................................... 29
APPENDIX ( Appendix is provided only by internet [http://svc.dwe.co.kr] )
CIRCUIT DESCRIPTION ................................................................................................... 1
1
SAFETY INSTRUCTION
WARNING : BEFORE SERVICING THIS CHASSIS, READ PRODUCT SAFETY NOTICE
THE "X-RAY RADIATION PRECAUTION", "SAFETY Many electrical and mechanical parts in this have special
PRECAUTION" AND "PRODUCTION SAFETY NOTICE" safety-related characteristics.
BELOW. These characteristics are often passed unnoticed by a
visual inspection and the X-RAY RADIATION protection
X-RAY RADIATION PRECAUTION afforded by them cannot necessarily be obtained by using
replacement components rated for higher voltage, watt-
1. Excessive high voltage can produce potentially hazard age,etc. Replacement parts which have these special
ous X-RAY RADIATION. To avoid such hazards, safety characteristics are identified in this manual and its
the high voltage must not exceed the specified limit supplements, electrical components having such features
The nominal value of the highvoltage of this receiver is are identified by designated symbol on the parts list.
23-25KV(14"),25-28KV(20") at max. beam current. The Before replacing any of these components,read the parts
high voltage must not,under any circumstances, list in this manual carefully.
exceed 26KV (14"),30KV (20"). Each time a receiver The use of substitute replacement parts which do not have
requires servicing,the high voltage should be checked. the same safety characteristics as specified in the parts
It is recommended the reading of the high voltage be list may create X-RAY Radiation.
recorded as a part of the service records, It is important
to use an accurate and reliable high voltage meter.
2. The only source of X-RAY radiation in this TV receiver
is the picture tube. For continuous X-RAY 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 necesary
when working on high voltage equipment.
2) Always discharge the picture tube before handling the
tube. The picture tube is highly evacuated and if
briken, glass fragments will be violently expelled.
2. If any fuse in this TV receiveris blown, replace it with
the FUSE specified in the Replacement Parts list.
3. When replacing a high wattage resistor ( metal oxide
film resistor ) in circuit board, keep the resistor 10mm
away from circuit board.
4. Keep wires away from high voltage or high temperature
components.
5. This receiver must operate under AC260 volts, 50Hz.
NEVER connect to DC supply or any other power or
frequency.
2
SPECIFICATION
ITEMS MODEL DVT-14/20H1(T)F, DVT-14/20H2(T)F, DVT-14/20H1(T)P, DVT-14/20H2(T)P, REMARK
DVT-14/20H1(T)D, DVT-14/20H2(T)D, DVT-14H2(T)FG/(T)PG , DVT-14H2(T)FB/(T)PB
TV STANDARD PAL-B/G(F MODEL)
SECTION PAL-I/II(P MODEL)
PAL/SECAM-B/G, D/K (D MODEL)
SCREEN SIZE 14" A34JLL90X01, A34AGT13X, A33LPE02X01, A34EAC01X06
:
20" A48JLL90X01, A48LPE01X01, A48EAX33X01
:
MAIN VOLTAGE 220V~240V AC, 50Hz
POWER STAND BY MODE : BELOW 5 Watts
CONSUMPTION OPERATION MODE : 14"= 59Watts, 20"= 65Watts
SOUND OUTPUT 1Wmin(14" 1.2 Wmin(20" 60% mod., 10% THD)
), )(at
SPEAKER 3Watts 8 Ohm
ANTENNA 75 Ohm unbalanced input
IMPEDANCE
TUNING SYSTEM FVS(FREQUENCY SYNTHESIS) TUNING
TUNER VHF-L: E2-S7
VHF-H:S8-S36
UHF:S37-E69(PAL-I = UHF ONLY)
NUMBER OF PROGRAM 70 PROGRAM
AUX. TERMINAL SCART JACK (REAR)
REMOTE CONTROLLER R-46C with 2 "AAA"type batteries
OTHER FEATURE ON SCREEN DISPLAY, SLEEP TIMER, WAKE UP TIMER
FULL AUTO SEARCH, MANUAL/FINE TUNING
CHILD LOCK
AUTO REPEAT
PICTURE TYPE SELECTION(NORMAL 1/2, FAVOURITE)
INDEX SEARCH, TV/AV
VIDEO SINGLE SYSTEM PAL/SECAM colour and CCIR mono chrome signals, 625lines/50fields.
SECTION
RECORDING SYSTEM Rotary 2-Head herical Scan with a slant double azimuth combination video head
INPUT 1Vp-p, 75 ohms, unbalanced
OUTPUT 1Vp-p, 75 ohms, unbalanced
SIGNAL TO NOISE RATIO 45dB with NETTETE IMAGE control at center position.
HORIZONTAL RESOLUTION 240lines with NETTETE IMAGE control at center posion
AUDIO RECORDING SYSTEM LONGITUDINAL TRACK
INPUT -3.8dBm(500m Vrms), more than 47 Kohms, unbalanced
OUTPUT -3.8dBm(500mVrms), less than 1Kohm, unbalanced
FREQUENCY RANGE 100Hz to 8KHZ
SIGNAL TO NOISE RADIO 40dB(more than)
GENERAL TEMPERATRE 5
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