Revox A 722 Schematic
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Extracted text from Revox A 722 Schematic (Ocr-read)
Page 2
INPUT \
l-'_-_I
.+ 30 4% .
NTL. |
I
<
4»- LOW PASS ->-
LEFT J
INPUT \
AI
T
i
I
FULL WAVE
RECTIFIER
FULL WAVE
RECTIFIER
->- INTEGRATOR ->- COMPARATOR
20%
LEFT
VENTILATOR
CONTROL
I
OUTPUT
RIGHT
RELAV
CONTROL
I
|
|
|
|
|
J
50%
I
OVER LOAD
FULL WAVE
RECTIFIER
INTEGRATOR + COMPARATOR
___I
I
I
|
|
|
|
RIGHT J
FULL WAVE
t LOW 55 RECTIFIER
RELAY
CONTROL
I
SWITCH ON
R EMOTE CONTROL
20 VDC
OPTO-COUPLER
t ONLY NEAR DC-POTENTIAL
CHANGES WILL PASS
[LOUDSPEAKER PROTECTION
IN CASE OF DEVICE FAILUHE
IN CIRCUIT A1 0R A2]
A722 Block diagram
A722 Blockschaltbild
A722 Schema bloc