Dual C 826 Service Manual page 5

Schaltbild
Wiring diagramm
Schärna d'ölectrique
I
r 70 mV
RECORD /PLAY
HEAD (Lch)
I
R101 100
1=3
IITP1
MIC
(Lch)
J101
LINE IN (Lch)
Rch
LINE OUT(Lch)
CI
MUTING
HEADPHONE
J301
4
ch
.-Rch
0—
R105 56K
0101,
908
-
R112 6.8K
0102,
C106
C103 05.7v
3.3
0.02V
C105
390P
10103 1/2
R ch
F
..._. 2349 100K
CI34 8.7V
10
•
2.2
0601 0603
1, › R ch
r ----
10602
°
u i d
-=
LED
METER)
R622
cr
2.2K
I
1 . 2.1 o,
1 Il
0304 0303
R110 390K
C108 0.01
R341
=i
1K
10
0.65V
I=1
0103
C110 R113 5.6K
22P
R111 1.5K
CC
un
R161 1K
Rch
Ä
R162 1K
LED METER
R605 68K
C604
4.7 oc,0
. 9
IC601 1/2 u
20.5V
10.21 /
R614
390K
R612
100K
Met: 150m V
[RASE HEAD
TP7
IC101,101'----NE654N
IC102,102"----NE652N
IC103.601,602--4N6556
IC301,302 ----7D62504P
IC303 -TC4001 BP
IC304
TA75559P
; TP8
0101,101 102,102%105,105,
106,106602,602--2SC2634NC- T
0103.103104,104',302,306,
308 -2SC16 84- S
0107,107:108,105,601,601"--2SC2878 A
0301
25D837 - R
0303 250892-0
0304,305 250592-5
0307 2 SC1318- S
0603
-25A564-R
(10.1V)
(11.5V)
(10.1V)
0 305
R343 1M
0333 1
I
(20.5V)
0302
R316
0310
0301,302
-WO 2
D303 -----HZ22-2L
0304 -----HZ 15-1
13305%310 ---MA150
0311 SR1K-2
LED301, •30 4---GL-9N024
7.4V 7.4V 7.4V 7.4V
DOLBY SWITCH SYSTEM
7.3V 7.4V 7.5V 0.59V
C112
1
2.2K
BI 3,8V
C: 12V
6
7.4V
7.4V 7.4V
IC101
7.4V 7.4V 1.1V
6.2V
Rch Rch Rch Rc Rch
I C 30 3 - 1
0303 -12
03 0 6
Fe Cr
6
r
—0—
Je_
51---PLAY/RECORD SWITCH (PLAY POSITION)
5 2---DOLBY- C SWITCH (OFF POSITION)
5 3 ---DOLBY-B SWITCH(OFF POSITION)
54 ---MPX SWITCH (OFF POSITION )
5 5 ---AUTO SWITCH(OFF POSITION)
S6 ---FeCr SWITCH (OFF POSITION)
S7 ---Met SWITCH(OFF POSITION)
58,9 --AUTOTAPE
SWITCH (OFF POSITION)
S801--POWER SWITCH (OFF POSITION)
I (
Au
Cr
S
41