Dual C 828 Serviceanleitung Seite 3

Blockschaltbild / Bloc diagram / Schäma de bloc
GENERATOR
405
I R LED
DRIVER
DLL
0 501
LED 1,`
506
PRE
AMPLIFIER
D 401
F:: 3 1
[11— I
0 413
Pause
S 501 --
0
7- 0-1 6.
Rec.
S502 6- 0--41.
FF
S 503 ra-0
S 504 6-0
S505 6-0 - 0-16.
RW
S 506 ,_0---0_4„,C0NTROLER
trp_
S 507 e-0 0--aar
Pause
LED 501 L..1
LED 502
[51 ' Re°
LED 503 . C1
LED 504 r
LED 505 [54
Stop
MIC IN
LINE IN
DIN IN / OUT
2
LINE OUT
R/P HEAD
E HEAD
V
D 404
DELAY
NAND
GATES
NAND
GATES
DELAY
MUTING
DRIVER
VOLTAGE
STAB
D 406
II
1 6EZER
TAPE RUN
SENSOR
VOLTAGE
STAB
VOLTAGE 1 0) ,_ZAGE
TO
AMPLIFIER
P.C.B.
:2
I-®
MOTOR
DRIVER
MIC
AMPLIFIER
IC 101
MOTOR
DIN
AMPLIFIER
601
D 410
REC
SOLENOID
DRIVER
•- i
D 415
REW
Aar SOLENOID
DRIVER
PLAY
SOLENOID
DRIVER
irr
FF
SOLENOID
DRIVER
/
/
/
0501 D503
0504 D502
REC REW PLAY FF
SOLENOID
SOLENOID SOLENOID SOLENOID
VR 101
DOLBY
AMPLIFIER
IC 102
VR 107
T 800 rnA
St
00
St
0 108
VR 108
RECORD NG
AMPLIFIER
G 112 ,1 3
0 109
MUTING
0107,110
HEADPHONE
AMPLIFIER
IC 103
000
S1
7
01
0 0
St
oj
VR 1093B• VR 110
2
METER
AMPLIFIER
0 104
VR 103
A
LED 701-712
Ar.
N N -
LEDMETER
DRIVER
IC 701
101
PLAYBACK
Prr
AMPLIFIER
0101,102
B I AS OSC
0 301 302
VR 105
VR 104
0 ri . )
$2
VR 106
0 105 1 0 106
103
SWITCH
PLATE
VOLTAGE
REGULATOR
0303,304
VOLTAGE
REGULATOR
306,307
115V
T 200 rnA
115/230V
CASSETTE LAMP
HEADPHONE
0
AV I
0314
I 7 I
FORWARD/ REVERSE
SOLENOID DRIVER
0 308 , 309
? ::) 0 305
0 1
FROM
P.C.B.
CONTROL
0
S 1 PB REC SW (PB POSITION)
S 2 FORWARD REVERSE SW (FORWARD POSITION)
3