5-20
BVW-55 P2
5-5. Video Tracking Check and Adjustment
Tools
. Alignment tape CR2-1B: 8-960-096-01
. Oscilloscope (Tektronix 2465B or equivalent)
. Inspection mirror: J-6080-840-A
. Tape guide adjustment driver: J-6322-420-A
Preparation
1. Turn the power off.
2. Remove the upper frame without
disconnecting the harness
connectors.
(Refer to the maintenance manual Part 1, step (1)
to (4) in Section 1-6-2.)
3. Remove the cassette compartment.
(Refer to the maintenance manual Part1 Section
1-7.)
4. Connect the oscilloscope.
CH-1 : TP804 (Y RF)/MD-122 board
TRIG : TP807 (Y SW)/MD-122 board
Oscilloscope setting:
CH-1 : 50 mV/DIV
TIME : 2 ms/DIV
5. Switch setting
Set the switch S100-1 (cassette compartment
lock) on the SV-206 board to ON.
. Connection of the oscilloscope
CH-1 : TP804 (Y RF)
TRIG : TP807 (Y SW)
5-5. Video Tracking Check and Adjustment
1
2
3
4
AB
CD
E501
TP807
TP806
TP804
TP805
TP803
TP802
TP801
EF
MD-122 BOARD, B Side
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