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PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION
4-19
(3) F/E Head
(5) Drum Assembly
(Video Head)
(4) Base Assembly P2
(2) Tension Post
(1) Supply Reel
(6) Base Assembly
P3
Phenomena
Replace-
ment
Checking Points and
Cause
Color beat
Pollution of Full-Erase Head
o
S/N, Color Faded
Pollution of Video Head
o
Horizontal, Vertical Jitte
o
CAUTIONS
If operation of the position with (O) mark is abnormal even
after removing cause, replace it with substitute product since
it shows damage or wearing.
(7) A/C Head
(8) P4 Post
(10) Pinch Roller
(11) Take-up Guide
Post
(9) Capstan Shaft
(12) Take-up Reel
* No. (1) ~ (12) shows sequence that the tape moves from the supply reel to the take-up reel.)
Fig. C-9-1 TOP VIEW
Fig. C-9-2 BOTTOM VIEW
F/E Head
Video Head
A/C Head
Pinch Roller
Belt Capston
Clutch
Assembly A37
Fig. C-9-3 Tape Transport System
Pollution of Video Head or
Tape Transport System
Poor Sound, Low Sound
o
Pollution of Audio/Control
Head
o
Pollution of Pinch Roller or
Belt Capstan Belt
No tape wound or tape
wound loosely.
FF or REW impossible,
or slow turning
Deterioration of Clutch
Assembly D37 Torque
Pollution of Drum and
Traveling Device
Tape loosely wound in
REV or Unloading
o
Fig. C-9-3
1. Checking Points prior to Repair
Following abnormal phenomena may be repaired by
removal of foreign materials and oil supply. Check oiling is
required at the checking set or cleaning status is complete.
Determine that necessity of checking and repair the set
exists after checking the using period of the set together
with the user. In this case, followings must be checked:
Содержание DVDR3320V Series
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Страница 43: ...3 35 3 36 A B C D E F G H I J K L M N O P Q R S T 2 TUNER CIRCUIT DIAGRAM ...
Страница 44: ...3 37 3 38 A B C D E F G H I J K L M N O P Q R S T 3 A V CIRCUIT DIAGRAM ...
Страница 45: ...3 39 3 40 A B C D E F G H I J K L M N O P Q R S T 4 Hi Fi CIRCUIT DIAGRAM ...
Страница 46: ...3 41 3 42 WAVEFORM 1 2 7 4 3 6 5 A B C D E F G H I J K L M N O P Q R S T 5 SYSTEM CIRCUIT DIAGRAM ...
Страница 47: ...3 43 3 44 A B C D E F G H I J K L M N O P Q R S T 6 SCART CIRCUIT DIAGRAM SCART Model Only ...
Страница 48: ...3 45 3 46 A B C D E F G H I J K L M N O P Q R S T 7 TIMER CIRCUIT DIAGRAM ...
Страница 53: ...3 55 3 56 IC801_TDA9605 IC802_MM1443 IC803_MM1225 IC901_MM1623FX8E ...
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Страница 55: ...3 57 3 58 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Страница 56: ...3 59 LOCATION GUIDE ...
Страница 57: ...3 60 LOCATION GUIDE ...
Страница 58: ...3 61 3 62 2 VCR P C BOARD BOTTOM VIEW ...
Страница 59: ...3 63 3 64 3 SMPS P C BOARD ...
Страница 60: ...3 65 3 66 LOCATION GUIDE 4 JACK P C BOARD LOCATION GUIDE ...
Страница 61: ...3 67 3 68 5 KEY TIMER P C BOARD LOCATION GUIDE ...
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Страница 78: ...3 84 3 85 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 79: ...3 86 3 87 A B C D E F G H I J K L M N O P Q R S T 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Страница 80: ...3 88 3 89 A B C D E F G H I J K L M N O P Q R S T 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Страница 82: ...3 92 3 93 A B C D E F G H I J K L M N O P Q R S T 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Страница 83: ...A B C D E F G H I J K L M N O P Q R S T 3 94 3 95 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Страница 84: ...3 96 3 97 A B C D E F G H I J K L M N O P Q R S T 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Страница 89: ...3 106 3 107 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Страница 90: ...3 108 LOCATION GUIDE ...
Страница 91: ...3 109 LOCATION GUIDE ...
Страница 92: ...3 110 3 111 2 VDR P C BOARD BOTTOM VIEW ...
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Страница 145: ...5 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34 ...
Страница 156: ...5 31 30 LD Enable DVD 31 LD Enable CD CD DVD LCN201 PIN 17 LDEN LCN PIN 38 CD DVD LCN201 PIN 17 LDEN LCN102 PIN 38 ...
Страница 160: ...5 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 180: ...5 55 5 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 181: ...5 57 5 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 182: ...5 59 5 60 3 µ COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 185: ...5 65 5 66 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Страница 186: ...5 67 LOCATION GUIDE ...
Страница 187: ...5 68 LOCATION GUIDE ...
Страница 188: ...5 69 5 70 2 MAIN P C BOARD ...
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