Denon DRM-800A Service Manual page 31

2
SCHEMATIC DIAGRAM OF AUDIO SECTION
3
4
4U-1816 AUDIO PWB
IC 303. 308
CX20187
Cl15
10/16
R226 C215
330 10/16
RI26
330
R213
5.1 k
----ffl'-
-8V;=J
I
IC 302
M5218
~"
~~
. -BV
~"
O~
ii<D
TH101. 201
2SC2603
N
~
~o
00
RIDe va
6.81<
;J.;
R208
-(f
6.81< "<tN
O~
"0
uo
<>
C203 R206
10/50
4.7k
Cl03
10/50
RIOS
4.7~
l-----<
120170,.5
I""
70,.5 ~
120,.5·
L
-BV
-BV
IC 307
H0140668P
~ PLAY SIGNAL
•• REC SIGNAL
IC 301
M5220
B
A
<
NORMAL >-
( CHROME
>-
METAL )-
~$~
l{
--
0351
DSMIA2
MONITOR
>--
~ IC 30~
~
TR204 , DTC124XS
R341 lOOK
BIAS FiNE VR C.T
>
BIAS FINE VR)
BIAS FINE VR >
TR104 , OTC124XS
r----<
PLAY
MyTE ).
r---<
LINE
MUTe)
REC MUTE>
C130
1/50 (BP)
(.2)
TR313
2S8562C
~12
aI
't':i
IF)
0"
~o
~-
•. B V>---
TR302 ' 2SC2603
TR303 ' 2SC2603
BIAS >'---,4.6V REC
u
;g
C315
:t
O.OO~
REC MUTE
( PLAY MUTE
(~
MPX FJL TER
_8V
<
120170",5,.-J
r<
MUSIC
>--+-
NORMAL
>-
CHROME
>--
471< (J215) (METAL
471< (J216)
WI41
,.--
£tU~ -
4
1
8 lf8
CN141
I
N PUT
R323
47
JI25 151<
BALANCE
250k (ZJ
BIAS FINE
500 (8)
4U-1817-4 (2/2)
R361
DOLBY ON/OFF }--
R360
DOLBY B/C
+8V)
-BV)
MONITOR
>--
-8-1}---
-8V
-8V)-
+BV>-------
0.0022
TR318 TR317
DTA144ES DTC124XS
~-8V
-8V
JK301
MUSIC
h
J97
22K
LINE IN
L
CD DIRECT
R
Jl0Q
'OK
CN191
MUSIC
120170,.5
NORMAL
CHROME
METAL
DOLBY ON/OFF
DOLBY BIC MPX FilTER BIAS
REC MUTE
PLA V MUTE LINE MUTe CD 01 R
MONITOR
-8V
OND
-8V
L-'
c
E
L--..,
-8V )
( -BV
TR314
R313
DTC124XS 22
(F)
TR312
DTC124XS
26
Note: • Resistance shall be 1/4 W
UI
the unit is O .
• The unit of capacitor is
pi.
P
fied,