Download Print this page

Block Diagram - Aiwa AD-WX808 Service Manual

Stereo cassette deck

Advertisement

BLOCK
DIAGRAM — 1
Vuu>
=|
FL
DISPLAY
Hi-VOLTAGE
BUFFER
1С1401 HA-38702-A39
FL
DRIVE
CPU
DIRECTION
INDICATE
BLOCK
DIAGRAM~2
dbx ON
ERG
Р DIR2 она
2,RPH(L)4—
516
KEY MATRIX)
(KEY MATRIX)
\METER
€ MPX
TRch)
< овх
€ Dex
ж-о4
< DOLBY |
асы себеле
9901
око!
01002
АТ REC
«DOLBY-85«-
AW
0953
Герсе
ОЕТ
OFF |8 C [ах
OFF
dbx
ЗЕ
0952
--
Swi
5
о
Hoo Ar]
МОО: 8—7
sw
(олмт
ж
NR мо!
NR MODE
RVS MODE
0921
0951
«Учи 01001
Vuu >
(6) O-LMT
€ 0-MS
O-MS — O-FL-UDI
(1)
(516 Ms
$)L-MS
O-FL-up2 (2)
91082
спо!
-дито-!
(5.
SOLDRIVER
Webs x 4
р
(0851
в) свое
4479 26
сот
(1 2Еск
=
ѕо пог
0852
9) O-SOL- FRI
ІСІ02
==
es
anco 50193 ^$$—
0853
07500 РВ2
SOLII04
Q8:
6? O-SOL- FRE
2 DECK
S
0962 МО
ыс
+
1свв
зид
э) O-FERES
ово QUICK! ошскг
L
ТЕУ
KEY MATRIX
т) 0-MOTOR
0855
оо
G5)
CSI-2
(М5
ENA)
Е-РВ-!
ж
PLAY-I
о!
QuICK-2
(1 WAY ENA)
R-PB-!
R-P8-2
PLAY-2
сум»
02 (33)
DIR-2
REC
REV MODE CD.
F-PB-2
REC
10ЕСК
M
N.SP. ADJ
03
CST-1
RMT
STOP-1
STOP-2
RMT
Vref
MOTOR
H.SP ADJ
04 Gr
QUICK - |
TIMER PLAY
PAUSE -1
BLANK SKIP
РАЦ5Е-!
1с8о!
05
OIR-1
TIMER REC
REV MODE г?
PAUSE -2
PAUSE-2
Lc6s20
06
REC-EN-A
H/ DUB
FF-1
FF-2
H/DUB
CPU
07
69)
REC-EN-B
N/DUB
REW-I
REW-2
N/DUB
2 DECK
М
N.SP.ADJ
KSO 27)
MOTOR
H.SP.ADJ
KST (26
58 5
LEO
КӨКТЕР
DAS
рази KEY MATRIX e
— MATRIX —
os
- Prane
(KEY MATRIX )
(0-PB2.
(2) 0-P82
REC REC DIR CST DIR CST
(O PLAY
13)
O- PLAY
EN-A EN-B
2
2
1
1
4
‹О-ЕМТ;
I O-RMT
a
4
4
ABBREVIATIONS
(O-REC.
17) 0- REC
i
Vin
30V voltage doubler ar
f ENG
+
$) мс
Vuu
18V voltage doubler ar
9902
(8) NC
о5с1(2)Ң05С
с!
1
19) TET
oscei
5
Vdd
5V micro computer IC г
ss
(RESET
3 RESET
O-LMT
Line mute, dbx sw mute
реми
0-ВІАЅ
Bias osc control.
(1708 ж
co sw
Е
ен
CER
0-РВ-1
1 tape deck mute contr
6, i-i
0-РВ-2
2 tape deck mute contr
ұм»
CMT
ү
|
sa
ibe
O-PLAY
CUE/REV mute control.
(2-
5У/І08
y
(а-н ye
- 98-00 SW
0-Н5Р
Hi-speed mode control.
SWIIOS г $
csT-2
2 DECK
control.
змо
| ЕРЕН
O-RMT
REC MUTE c
1
SW
HM REC-EN-B
ENC
dbx IC ENC/DEC switchi
Swine
7 6—4 REC-EN-A
"pz
А
0-КЕС
Dolby IC REC/PLAY swit
77
REC OUT SELECT: dbx-IC
REC OUT SELECT: Dolby
MPX filter ON/OFF swit
Dolby IC B/C switching
MS circuit input signa
- | DBX
DBX
MPX
Dolby B
SIG-MS
SIG-METER
дъх" ОМ
Dolby
meter driver input sig
dbx IN on/off switchin
Dolby on/off switching

Advertisement

loading