Sony DNW-A100 Maintenance Manual page 477

8. REC B Head Output Check
(1) Connect the oscilloscope.
CH-1: TP1600/EQ-56 board (B4B8 signal)
TRIG: TP325/SS-63 board (SS GOP signal)
Oscilloscope setting
CH-1: 50 mV/DIV
TRIG: 5 V/DIV
TIME: 5 ms
(2) Play back the SR2-1/P (15:00 to 20:00).
(3) Check that RF waveform is output from CH-
1.(Spec.3)
DNW-A100/A50/A45
DNW-A100P/A50P/A45P
. Oscilloscope
CH-1: TP1600/EQ-56 board (B4B8 signal)
TRIG: TP325/SS-63 board (SS GOP signal)
<EQ-56 board, side A>
A B C D
TP100
TP101
TP102
TP103
TP300
<SS-63 board, side A>
A B C D E F
TP325
. Alignment tape: SR2-1/P (15:00 to 20:00)
CH-1
RF waveform
Spec. 3 : RF waveform is output.
7-1-3. Video Tracking Check and Adjustment
E F G
1
TP1600
TP600
2
TP1500
TP500
TP1400
TP400 3
TP1300
G H J K L M N P R
1
2
7-17