Denon DRS-810 - Mechanism Section Adjustments; Pinch Roller Maintenance and Checks; Head Replacement and Visual Check

DRS-810 =
[LEVEL DIAGRAM
PLAYBACK SYSTEM
TCC-130 DOLBY B-TYPE
400 Hz 200 nwb/m
PB
HEAD
ged
PB
GAN
BIAS
DOLBY
NR
OUTPUT
HEADPHONE
30)
\c302
FILTER
SYSTEM
IC
VOLUME.
AMP
?
TRIOS
TEST TAPE
TCC-130
Ic306
RTIO1
(RTZ00
Ron,
_’A
|
|
PHONES
LEVEL
(6B)
“04
+6.8d8
PHONES
OUT
i)
;
-
2.008
LINE
OUT
~10 4
“20
s
008 = 0.778V
RECORDING
SYSTEM
INPUT FREQUENCY
400 Hz
PUT FREQUENCY
A00Hz
LINE
BALANCE
INPUT
DOLBY
NR
REC
£Q
BIAS
TRAP
REC
INPUT
VOLUME
VOLUME
SYSTEM
IC
AMP
HEAD
te
18113)
aca
plo308
ain @T a
VR303 VR302 RTI02
(RT202)
TAPE
LEVEL
(@)
+10
°
~10
-20
-30
30,908
(METAL)
= == -32.548 (CHROME)
-35.008 (NORMAL)
-40
(BIAS CUT)
O68 = 0.775V
15