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5-16
GY-2120WD/WS
5-4. Tracking Adjustment
6. Check the PB Head Head-to-tape
Contact
(1) Connect the oscilloscope.
CH-1: TP302/EQ-66 board
(PB AC ENV signal)
CH-2: TP402/EQ-66 board
(PB BD ENV signal)
TRIG: TP602/EQ-66 board
(1/2 VD signal)
(2) Play back the YR2-1 alignment tape (IDR:
72000 to 90000). (FWD mode)
(3) Check that the RF envelope waveform output
at all channels.
PB Head Head -to-tape Contact Check
*
Connection of the oscilloscope
CH-1 : TP302/EQ-66 board (PB AC ENV signal)
CH-2 : TP402/EQ-66 board (PB BD ENV signal)
TRIG : TP602/EQ-66 board (1/2 VD signal)
<EQ-66 board, side A>
TP708
1
E701
TP706
TP709
TP705
TP703
TP710
TP602
TP601
E201
TP203
TP202
TP600
TP102
TP100
TP103
TP402
TP302
TP400
TP300
TP204
E400
TP404
TP401
TP304
TP301
E300
TP503
E500
2
3
4
5
6
7
TP101
E600
TP201 TP200
TP701
TP700
TP702
A
B
CD
E
E700
TP104
E200
E101
8
9
TP504
TP704
TP305
TP405
*
Alignment tape: YR2-1 (IRD : 72000 to 90000)
TP402
TP302
TP602
Spec.8: The RF envelope waveform output
at all channels .
Summary of Contents for GY-2120WD
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Page 437: ...7 3 GY 2120WD WS Index Mechanical Deck Overall Block 6 7 9 8 2 1 3 4 5 ...
Page 469: ...8 1 GY 2120WD WS 8 1 Section 8 Block Diagrams Frame Wiring ...
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