4-16
DECK MECHANISM ADJUSTMENT
5. Audio/Control (A/C) Head Adjustment
10.9
Purpose: To insure that the tape passes accurately over the Audio and Control Tracks in
exact alignment of the both Record and Playback Modes.
Test Equipment/ Fixture
• Blank Tape
• Screw ) Type 5mm
• Play the blank tape
Test Conditions (Mechanism Condition)
Adjustment Point
• Tilt Adjustment Screw(C)
• Height Adjustment Screw(B)
• Azimuth Adjustment Screw(A)
Fig. C-5-1
A/C Head Base
Fig. C-5-2
Height Adjustment
Screw(B)
Tilt Adjustment
Screw(C)
Azimuth Adjustment
Screw(A)
X-Value Adjustment
Hole
Fixed Screw
Fig. C-5-3
A/C Head
Tape
Tape
0.2~0.25mm
P4
5-1. Preliminary Adjustment (Height and Tilt Adjustment)
Perform the Preliminary Adjustment, when there is no Audio Output Signal with the Alignment Tape.
1) Initially adjust the Base Assembly A/C Head as shown
Fig. C-5-1 by using the Height Adjustment Screw(B).
2) Play a blank tape and observe if the tape passes accu-
rately over the A/C Head without tape curling or folding.
3) If folding or curling is occured then adjust the Tilt
Adjustment Screw(C) while the tape is running to resem-
ble Fig. C-5-3.
4) Reconfirm the tape path after Playback about 4~5 sec-
onds.
NOTE
Ideal A/C head height occurs when the tape runs between
0.2~0.25mm above the bottom edge of the A/C Head core.
Adjustment Procedure/Diagrams
A/C Head Assembly
Summary of Contents for TL-AT130M
Page 23: ...3 14 3 13 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 1 OVERALL WIRING DIAGRAM ...
Page 24: ...3 16 3 15 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 2 POWER BLOCK DIAGRAM ...
Page 25: ...3 18 3 17 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 3 POWER CLRCUIT DIAGRAM ...
Page 26: ...3 19 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 4 AUDIO BLOCK DIAGRAM ...
Page 27: ...3 20 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 5 Y C BLOCK DIAGRAM ...
Page 28: ...3 22 3 21 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 6 A V CIRCUIT DIAGRAM ...
Page 29: ...3 23 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS ...
Page 30: ...3 25 3 24 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 7 SYSTEM BLOCK DIAGRAM ...
Page 31: ...3 26 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS ...
Page 32: ...3 28 3 27 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 8 SYSTEM CLRCUIT DIAGRAM ...
Page 33: ...3 30 3 29 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 9 JACK CLRCUIT DIAGRAM ...
Page 34: ...3 32 3 31 SECTION3 ELECTRICAL BLOCK CIRCUIT DIAGRAMS 10 KEY BOARD CLRCUIT DIAGRAM ...
Page 35: ...3 34 3 33 SECTION3 ELECTRICAL PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD ...