Table of Contents
Advertisement
3 . 27
TUN E R CONTROL SCH EMAT I C D I AG RAM
TUNER
CTL
R22
180K
C30
J P I
2.2 / 50
AGC
NC
I F
GND
AFC
!QI III
NC
From / To
NC
NC
I F , J P I
SYNC D E T
AUDIO
GND
VIDEO
G N D
N C
N C
EE 12V
{
!Q] @I
SWD 5V
From / To
EE 12V
M A I N ( VIDEO)
VIDEO
CN l l
GND
{
(j] 111
To
CN5
AUDIO (COMP)
>EMODULATOR
GND
M U T E
:N 2
L
A
B
C38
0.001
R23
75
EE 12V
R7
220
12-4
C l 3
0.01
+
c 5
33/16
D 4
ISSl36
D5
0 3
2 S C l 3 1 7 ( S l
c
Q I
2SC331 I A! S l
TU N I N G D A T A
R 3
1 2 0
C2
0-47
R38
I O K
RI
33K
R25
I O K
C l
0.022
R2
151<
C3
10/50
0 3
Cl5
Cl4
33/10
QO I
0 1 3
0.3
8.6
0 1 3
2 S C 3399
E
3-30
3-30
l
0 5- 0 8
2SA933S(RSJ
I L6
1 1.7
RIO
47K
R9
47K
RS
47K
I C I
TD6358 P
J
C l 6
0.0 1
CN I
C27
C26
0.001
0.001
CN3
Note: Voltages are DC-measured with a
d igital voltmeter during stop and tu ner mode.
F
}
VIDEO
GND
RF AUDIO
RF SV
I
IQ] @]
From
To
M A I N ( VIDEO)
}
IQ] (j]
From
45V
POWER TRANS
GND
CN I
}
I
�
�
�
I To
� [QJ
L
E
D
T
F r o m
S CLK
TIMER
AUDIO MUTE
CN2
SYNC DET
AFC
H
G
Advertisement
Table of Contents
