Revox A77

RECORD PROCESSOR
CH I
0 -
INPUT AMPLIFIER
10
INPUT
1-.2
700
i
RECORD
LEVEL
RECORD PRESELECTOR
o
o
DOLBY
OUT
V U
AL 32 _ 1. 22
•
V V V
wht
853
AL 25 15
Diu
BEFORE/AFTER
TAPE SWI TCH
TAPE
INPUT 0
CALIBR. 9
PLAYBACK
PROCESSOR
BL 4
P 103p
VU- METER
852 1
Q 9 5. AL 5
01,2,3
P101p P 102p
FET GAIN
o
PIOIr
*FET
01,2,4 05 09
crà
C,1
o
AL 22
10
MPX
Filter
+27V
"B•
VOLUME
P103r
OSC.
-J
DOLBY
OUT
P102 r
GAIN
OUT ML 21
RECORD
CALIBR.
MONO
STEREO
RECORD AMPLIFIER
AM 4 13
25mV
LINE AMPLIFIER
7
II
12
BALANCE
10
OUTPUT
o
Function Diagram A77 DOLBY