Garrard MRM101 - Page 13

ATTENUATION
i (
WAVEFORM ENVELOPE
TIMING IN MILLISECONDS - AFTER INPUT PULSE
Diagram 14 Oscilloscope waveform - test 10
Pre-amplifier
TR101 ,,.^
TR103 (k\
Right_
Channel
TRIQI V
Delay line,
2 phase
clock
IC5 & IC6
C Sj- seccr.Cs
DC-' see
Left
o
Chamei
Pne-amplifier
TR201
TR202
TR203
TR204
Bias adjust VR1
Delay
line IC4
Filter &
Amplifier
. IC7
Fascia panel sensitivity control
OV ' +15V
7 V rms
Fader
3C sCSnsec- -
Buffer
Fader
Filter &
Amplifier
1C 7
Buffer
11/A-ICIO
Bias adjust VR2
Output
De-emphasis
and Buffer
1/4 IC7
Output
De-emphasis
and Buffer
MU IC7
KEY:
1 : Detector 1C 8 3/4IC9
2 : Comparator 1/4IC9
3 : Monosfable 555 1C 11
4 : Monostable TR106
Diagram 13 Block diagram