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JVC HR-D540EE - Page 60

JVC HR-D540EE
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3.19
RF
CONV
&
MIXER
4
Ps
1c1
|
A
IF
&
TNR
CTL
SCHEMATIC
DIAGRAM
a2
Q7,
08,
2S01863(QR)
CAT93C46P
UN4319VI
a
dl
7]
PWM
>
ae
MCE
a
ae
M
DATA
GND
AUDIO
MUTE
TNR
CTL
AFC
DEF
SYNC
DET
es
a
tee
age:
MCLOCK
VHF
OL
m
rn
mz
+}
VHF
H
C4.
CIS.
CI6.
33/16
|i00/16
10/16
12||
UHF
D3
ROS6ES-TIBI
7
sy
C12
need)
o4
6.007
@
33/6
19k
DTCI44ES
aaa
Q3
R36
2SB8I0H,J
‘OK
a
Qs
2S8C1740(S)
Cae
23Q5
9-0!
it}
R20
RI9
-9.8
33K
330
CY
wan
:
‘a,
R22
c2i
Rie
°
10K
|
0.033
$
390K
rd
RI7
2C20
R21
SOK
$
0.015
10K
cig
RIG
|
[0.033
$
150K
|
RI5 cig
c2a
iSK
0.015
0.47/50
From/To
oe)
\
MAIN
(MECHACON)
CN604,
CN605
|
(Page
3-25)
Note:
Voltages
are
DC-measured
with
a
digital
voltmeter
during
stop
and
tuner
mode.
(Olf7]
iF
SS
®
Address
of
chip
parts
1D
ddress
SS
AAA
SS
ES
Sc
Q4 Qt
ag
2SCI740S(RS)
2SC1I740S(RS)
2SD1450S,
T
2a
28
4A
R86
R84
R87
330
12K
4a
2.2K
‘2
cs?
33/16
A
on
é)
;
mart
5.2.
a7
R40
R54
6.8K
8
R52
22k
RSI
22k
Hoss
0.47/50
D6
COLOR
LEVEL
+
C22
+H
1750
c23
0.022
35
g
R32
10K
C56
R74
33/16
{OK
DS
SVC32!SPA-B-!
Q7
MUTE
E
yo5
5
=
:
;
V3]
|i
im
=
hb
io
fe
SYNC
DET
fs]
3
AFC
DEF
=
3
NG
1}
:
13}
AFC
rs]
ANI358
TUNER
CTL
ol
i
|
i
*
HZT33-02
ESLER
48v
UNSW
fav
GND
VIDEO
(TNR)
VPT
OUT
GNO
AUDIO
(TNR)
GNO
4)
er
NC
ea
AGC
12]
L
To
[ol]
MAIN
(VIDEO)
CN7OL
(Page
3-32))
2SCI740S(RS)
Q6
25A933S(RS)
Qs
2SC!I740S(RS)
DI
MTZIOB
Q2
2SC3354
Q3
2SC13Z17(RS)
Qi4
DTCI44ES
ES
conc
]ucnee
-
3-35
3-36
TS
AFC
38.9
MHz
C25
0.0022
38,
*
4-4
cs0
33/16
a}
Le
"6.8
E
+
F

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