-9-
Service manual-EC5 chassis
DC 15.5V
AGC voltage (4.3-4.5V)
Output probe
Input probe
Marker frequency
Sweep ATT
0dB=176mVrms/75
SETTING
C644 +
IC201-pin48
IC201-pin45
(Side b)
IC201-pin7
38.9MHz
20dB
Adjustment
By using T141, adjust "P" to
be maximum amplitude.
Waveform
CIRCUIT ALIGNMENT
VIF alignment
0.002
µ
F
75
Ω
1k
Ω
a
b
10k
Ω
Input probe
Output probe
P