4-19
PROTECTION, MAINTENANCE AND CHECK OF VIDEO FUNCTION
(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 DVDR630VR
Страница 9: ......
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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 2 TUNER 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 3 A V CIRCUIT DIAGRAM ...
Страница 46: ...3 41 3 42 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 47: ...3 43 3 44 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 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 6 SCART JACK CIRCUIT DIAGRAM SCART Model Only ...
Страница 49: ...7 TIMER CIRCUIT DIAGRAM 3 47 3 48 ...
Страница 54: ...3 57 3 58 IC801_TDA9605 IC804_MM1231 IC901_MM1623FXBE IC902_MM1225 IC903_MM1225 ...
Страница 55: ...3 59 3 60 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD TOP VIEW ...
Страница 56: ...3 61 LOCATION GUIDE ...
Страница 57: ...3 62 LOCATION GUIDE ...
Страница 58: ...3 63 3 64 2 VCR P C BOARD BOTTOM VIEW ...
Страница 60: ...3 67 LOCATION GUIDE ...
Страница 61: ...3 68 4 JACK P C BOARD LOCATION GUIDE ...
Страница 62: ...3 69 3 70 5 KEY TIMER P C BOARD LOCATION GUIDE ...
Страница 63: ......
Страница 78: ...3 85 3 86 CIRCUIT DIAGRAMS 1 BGA 308P CIRCUIT DIAGRAM ...
Страница 79: ...3 87 3 88 2 DDR B TO B CONNECTOR CIRCUIT DIAGRAM ...
Страница 80: ...3 89 3 90 3 POWER FLASH CONNECTOR CIRCUIT DIAGRAM ...
Страница 81: ...3 91 3 92 4 RST CONTROL STATUS_REG ATAPI HOST_CPLD LATCH CIRCUIT DIAGRAM ...
Страница 82: ...3 93 3 94 5 VIDEO_IN VIDEO_OUT CIRCUIT DIAGRAM ...
Страница 83: ...3 95 3 96 6 DV1394 HDMI CIRCUIT DIAGRAM ...
Страница 84: ...3 97 3 98 7 AUDIO IN OUT CIRCUIT DIAGRAM ...
Страница 89: ...3 107 3 108 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW ...
Страница 90: ...3 109 LOCATION GUIDE ...
Страница 91: ...3 110 LOCATION GUIDE ...
Страница 92: ...3 111 3 112 2 VDR P C BOARD BOTTOM VIEW ...
Страница 93: ......
Страница 110: ...3 129 3 Main Clock2 for IC302 20MHz X300 IC301 PIN 13 4 SDRAM Clock ...
Страница 128: ...3 147 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer ...
Страница 145: ...3 164 2 RF Block Diagram ...
Страница 146: ...3 165 3 DSP Block Diagram ...
Страница 147: ...3 166 4 MICOM Block Diagram ...
Страница 148: ...3 167 3 168 CIRCUIT DIAGRAMS 1 RF1 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 149: ...3 169 3 170 2 RF2 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T ...
Страница 150: ...3 171 3 172 2 DSP CIRCUIT DIAGRAM ...
Страница 151: ...3 173 3 174 3 MICOM CIRCUIT DIAGRAM IC BLOCK DIAGRAMS IC101_FSDL0365RN ...
Страница 154: ......
Страница 155: ...3 179 3 180 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...
Страница 156: ...3 181 LOCATION GUIDE ...
Страница 157: ...3 182 LOCATION GUIDE ...
Страница 158: ...3 183 3 184 2 MAIN P C BOARD ...
Страница 159: ......
Страница 191: ......
Страница 199: ...6 1 REVISION LIST Version 1 0 Initial release Version 1 1 Parts list correction to conform with component repair policy ...