Denon PMA-830 - Control (A) Unit ETC-259 B Diagrams; Tone Unit Schematic; Equalizer Amplifier Schematic; Volume Control Schematic

me RPMA-830
CONTROL (A) UNIT ETC-259B-1, -2, -3
(1) TONE UNIT
; RIQ,20:2SA726(F) TR25,26:2SA942( BL)
TRI7,18, 21,22: 25C1000(GR) aca 2nFRIG:20:2SA7261F) TR2S,
(7)
95.022 .
Res | ——1688.922 TR27,28: 25C2089 (BL) i
$4ly 10/50 10/50 R758
()
6)
’
1
iNinw :
(@ 3 TREBLE '
1 oO '
¢ lo as '
* 1 x f] e
= Je 2 4 cS) J
” ‘ ee
} 2 s
2 ~Te ROG
= Sis 2.2k
Vv 3 e
@b= “C76 wo
16750 16790 CS ada “72 ETC-259B-2 43)
a Mi ETc-277 48)
|
+
+
R76
A)
48)
c6és Cc70 47
: . 10/50 10/50
|
Ra
py
096
0.22
(ETC-259B-1)
CONTROL (A) UNIT
(2) EQUALIZER AMP UNIT
CONTROL (A) UNIT
(
ETC-259B-2)
TRG
N0:2SA872(E)
«=
TRU,
12:2SCIT7S(E)
TRI3,14:2SC173510)
FT
nai
47x
TRIS,I6:2SAB50(0)
ssqay
@
°
TRI,2,5,6:
2scieaaiF)
533%, R23 R227
20k 30x 47k 150
47/50
TR3,4 7,8:
2SAQqI(F }
c3q
ces
4700p
Sj
~ pa [7
c4l ctr
a0 >> |!
3
=a
Qn
Qe ;
sé Ss =
a
nee *_} | ge} les
@
Led
+ Raa ve oF
Ci6
0.0068
0.015
++ 47
c40
47750
C94 I/CFQ3A
t
{
i
a
% ‘
T2 \
Soul 29
i 4
oO
|=
tz
to
Pate
Q—|t 5 3
wis
sou -* -. | 2!)
(\a) O ee
T2 N