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JVC QL-A2 Service Manual

JVC QL-A2
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17.OL-A2
Schematic
Diagram
NJM4558D-)
SM6415A-4S
NJM4558D
25C945
(P,Q)
2SA733
(P,Q)
2SC1775A
(F7)
250571
(L,K)
280325
(D,E)
1C801
IC802
[C803
X803,
X814,
X816,
X817
X801,
X8O4,
X805,
X806,
X807
X808
X843,
X818
X802,
X80S,
X810,
X81},
X81
X15
;
DOMESTIC
(TXX-124)
Ame
[Txx-124-5
=|
SPEED
SELECT.
SW.
Si
|
Say
ORNI
¢,
33
‘arp
(e)
.
wv
LOL
@
barre
=F
6
ee
ee
>
ry
4
R806
IM
=
9
Olas
Oscillator
/
Fregency
divider
14.8
F-V,
P-D
IC
SM6415A-4S
R811
————
;
C801
+H
#K
i
or
nn
a
a
sone
sate
nee)
1c802
|
;
oss
a
©[5.20
VR8O}t
47K
Wave
from
“1
Shaper
vRe02
|
100K
j
1C801
j
FG
Amp
R812
110K
O52
OKs]
SIBO1-
02
D810,
0811,
D812,
0813
SR103C
D804,
0805,
D806,
0807,
0808
Soe
=
XTAL
£04300-004
AF
“|
9504MHz|
|
1$2473
D8O!,
0802,
D803
10ms
|
ftee03
colon
ok
i
l
0.1u}6.01
{0.022
F
C806 C807
=
=o
LNs
10P
10P
ewe
DRE
[To
-20mSs
|
fa
bets
C
2
ht
OV
[m7
936A
(OL-
AD)
oleae
m-938B8(QL-F4)
|
|
|
50
i
HG-1
“a
arn
+4
1
ot
tO
|
|
Torn
|
Loi
it,
1
eS
peel
~fornwit}-$—-o|
Poe
t—_—faucwi}
$07}
Po
|
“BLK
fo
of!
Bowles
:
[ee
|
re@
a
fon
7
oofo0r
10.
|
00
IREDwit}-d—_o$!_16
wey
190)
|
HG-2,_|
RED
L531
Bo
(J
i
4,44
|
YLW
}-Y--O5
|
|
ro
Vwi}
oS!
3
oles
|
pier}
+04
to
>
|
Wola
wie
ee
ey
LS
Er
|
|
SS
:
L
7
|
EARTH
WIRE
|
prea
=
|
acpee
ree
Cn
ea
|
|
|
wv
|
|
|
3
Eospee
|
|
|
[es
:
Eee
[a
ee
ee
el
0.225
;
oO
[oe
|
Ue
es
|
paGeN
22
wirnnaana
TONE-ARM-
SHIELD
COVER
J
ov
:
4.5V
VV)
ee
et
Sy
Signal
circuit
of
QL-F4,
QL-A2
(EP,
00)
EJ
&EC
(for
USA
&
Canada)
A
[|
ow,
From
Cartridge
ees
bs
TONE
ARM
SHIELDCOVER.
77
Signal
circuit
of
QL-A2
A
Printed
Circuit
Board
Ass’y
Location
TXX-124
Servomotor
Control
P.C.
Board
Ass’y
—~22—
TXX-124B(EJ)
ef
TXX-124C
(EC)
SM6415A-45

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JVC QL-A2 Specifications

General IconGeneral
Drive SystemDirect Drive
MotorDC servo motor
Speeds33 1/3 and 45 rpm
PlatterAluminum die-cast
Wow and Flutter0.03% WRMS
Effective Length220 mm
Overhang15 mm
TonearmStatic balance S-shaped tonearm

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