Akai TX-500 - Page 41

SYSTEM-FLD PCB
OPERATION
PCB (3/73)
1¢503
MC14053 (1/3)
Mic MIX:
(renee ens Leeceenes:
EXCEPT AC-605K
+R525
16K BPF
'
TO Roh GEQ CIRCUIT 4
1
|
a
H
TR701~705
|
a:
VREF
1
GEQ
t
CONTROL]
2,
1
OUTPUT
Sw
22888
1¢702%
1
1¢505
(172)
eegoe*
(272)
16702
(172)
H
/\
NuM4558
1
ae,
1¢703,
704
TR706~710
'
¢
!
ie}
!
SS
Snow
Teao1
'
Lob
ins,¢],
1
VREF
TUNER/DECK
PCB
=CK_
PCB
(2/73
y
pt
Reh
IN
ut):
eas
waeuwae
ei
>
16503
(273)
Soo
@
!
TFB
oo
x
x
'
one
¢
1
N
41
1
“
I-amMep -vcc
TO Roh REC OUT
il
to 13
-
POSITIVE PHASE
DELAY SIGNAL
OVER CURR
DETECT
TR315, R312
1C605 (2/72)
NUM4558
OVER CURR| TR314, R311
PROTECT DET
(To 1¢401.6))
ER/DECK PCB)
STEM-FLD PCB)
10403 Tcs299P
(ELECTRIC VOLUME)
10402 LA7230
10401 (272)
NUM455B8
(DBYFFER ENCODE ()
[ a 16201 (3/3)
(2/2) TRA00 POWER Awe)
5 > rsp >? H SURROUND
BY BUTYPE NV VREF | ‘Lea! ac SPEAKER
; MAIN VR PCB ‘
>t >
g 2
x
inane (272)
es
Be
8
ran
7H
33
sk
&p
SURROUND
°
Lua ad vu, ON/OFF
FROM 16401
com
neccne
TR442
TR441
SURROUND rm
LEVEL DET cs jane |
MAIN PCB
AC-—600, 603R, 605K
MAIN
BLOCK DIAGRAM
0-4-2 C1 04052M
—eneens MIC SIGNAL LINE
ee eves LR (SURROUND) SIGNAL LINE
memes Loh AUDIO SIGNAL LINE
FRONT |
SPEAKERS