4-34
GY-8240UWD
GY-8240FC
A
1
2
3
4
5
6
7
8
9
10
11
B
C
D
E
F
G
H
J
K
LM
TP603
TP803
TP401
*
Oscilloscope
CH-1: TP603/DPR-160 board (REC AE)
CH-2: TP803/DPR-160 board (REC CG)
CH-3: TP401/DPR-160 board (REC AE SEL)
TRIG: TP401/DPR-160 board (REC AE SEL)
<DPR-160 board, side A>
4-10. Drum Head Height Check
Equipment
.
Oscilloscope
Tool
.
Alignment tape YR2-1A:
8-960-074-32
Preparation
1. Turn the Power Off
2. Connect the Oscilloscope
CH-1: TP603/DPR-160 board (REC AE)
CH-2: TP803/DPR-160 board (REC CG)
CH-3: TP401/DPR-160 board (REC AE SEL)
TRIG: TP401/DPR-160 board (REC AE SEL)
3. Set the Alignment Tape
Set the YR2-1A and put a weight (about 1000 g)
on the cassette so that it does not rise up.
4-10. Drum Head Height Check
Preparation