Sharp 13VT-K100 Service Manual Page 23
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- Table of contents
- TROUBLESHOOTING
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23
13VT-K100/150
13VT-CK10
Figure 1-1.
• Reassembly
1. Before installing the cassette housing control, short-
circuit TP7701 and TP7702 provided at the left of the
main PWB, prug in the power cord. The casecon drive
gear turns and stops when the positioning mark ap-
pears. Engage two teeth of casecon drive gear with
the three teeth of casecon drive angle gear, and set on
the mechanism chassis as shown below.
Figure 1-2.
2. Install in the reverse order of removal.
REMOVING AND INSTALLING THE CAS-
SETTE HOUSING
• Removal
1. In the cassette eject mode, remove the cassette.
2. Unplug the power cord.
3. Remove in the following numerical order.
a) Remove two screws 1.
b) Slide and pull up the cassette housing control.
1
Casecon
drive gear
Casecon drive
angle gear
500g
Mechanism chassis
Weight to prevent
float (500g)
Notes:
1. When fitting the S/E sensor holder to the cassette
controller frame L/R, take care.
2. Misengagement of teeth of casecon drive gear and
drive angle gear causes malfunction. (The cassette
cannot be set, load and ejection are repeated).
3. In the case when you use the magnet screw driver,
never approach the magnet driver to the A/C head, FE
head, and drum.
4. When installing or removing, take care so that the
cassette housing control and tool do not contact the
guide pin or drum.
5. After installing the cassette housing control once per-
form cassette loading operation.
TO RUN A TAPE WITHOUT THE CASSETTE
HOUSING CONTROL ASSEMBLY
1. Short-circuit TP7701 and TP7702.
2. Plug in the power cord.
3. Turn on the power.
4. Open the lid of a cassette tape by hand.
5. Hold the lid with two pieces of vinyl tape.
6. Set the cassette tape in the mechanism chassis.
7. Stabilize the cassette tape with a weight (500g) to
prevent floating.
8. Perform running test.
Figure 1-3.
Notes:
1. The weight should not be more than 500g.
2. Take care not to damage the tape when the Cassette
is set in the mechanism shassis or taken out of it
because the supply/take-up poles are shifted foward
the tape loading direction in the EJECT position.
- SERVICE MANUAL 1
- BEFORE RETURNING THE RECEIVER 3
- (Fire & Shock Hazard) 3
- SAFETY NOTICE 3
- (Continued) 3
- ELECTRICAL SPECIFICATIONS 6
- Description Of Controls 7
- DISASSEMBLY AND REASSEMBLY 9
- 13VT-K100/150 11
- 13VT-CK10 11
- HIGH VOLTAGE CHECK 12
- CIRCUIT PROTECTION 12
- X-RADIATION PROTECTOR CIRCUIT 12
- 2. Adjustment Item selection 13
- 3. Data number selection 13
- 1. Service mode 13
- To enter the service mode 13
- To exit service mode 13
- Vertical-Size adjustment 16
- Caption Position Adjustment 16
- (Horizontal) 16
- PRECAUTIONS IN REASSEMBLING 17
- (TOP VIEW) 18
- (BOTTOM VIEW) 19
- MECHANICAL UNITS 20
- Guide roller height 21
- Torque gauge 26
- Supply reel disk 26
- Cassette torque meter 26
- 1.5 ± 0.25mm 28
- CHECKING THE BRAKE TORQUE 29
- CH-1 CH-2 33
- (DIRECT DRIVE) MOTOR 34
- INSTALLING THE SHIFTER 37
- ASSEMBLY OF CASSETTE HOUSING 39
- SERVO CIRCUIT ADJUSTMENT 40
- ADJUSTMENT OF HEAD SWITCH 40
- ING POINT 40
- ADJUSTMENT OF EP STILL PIC 41
- TURE VERTICAL SYNC 41
- Replace defective parts 51
- TROUBLESHOOTING OF TV SECTION 52
- CHASSIS LAYOUT 55
- BLOCK DIAGRAM OF TV SECTION 56
- BLOCK DIAGRAM OF VCR SECTION 57
- OVERALL SCHEMATIC DIAGRAM 62
- WAVEFORMS 63
- PARTS LIST 72
- LISTE DES PIECES 72
- PWB-A: DUNTK9489WEV2 73
- MAIN Unit (Continued) 73
- PWB-D: DUNTK9518WEV2 79
- FRONT AV Unit 79
- PWB-C: DUNTK9490WEV2 80
- POWER Unit 80
- POWER Unit (Continued) 81
- PWB-B: DUNTK8606WEV4 81
- CRT Unit 81
- MECHANISM CHASSIS 82
- SCREW, NUTS AND WASHERS 82
- MECHANISM CHASSIS PARTS 83
- CASSETTE HOUSING CONTROL 84
- CABINET AND MECHANICAL PARTS 86
- PACKING OF THE SET 88
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