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CX-J3000/J3000M
18
18
CX-J3000/J3000M
7-2.
BLOCK DIAGRAM – TUNER SECTION –
CN502
FM TRACKING
L512
FM RF
ANT501
FM/SW TELESCOPIC
ANTENNA
MW TRACKING
SW2 TRACKING
L516, TC503
SW1 TRACKING
L504, TC502
MW IF
CF502
CF503
FM/AM FRONT END,
IF AMP, EQ
IC501
CF501
L514
MW IF
TC503
D505
L513
FM OSC
L516
MW ANT
FM RF-IN
MW SWITCH
Q509
RF AMP
Q510
FM VT
VOLTAGE
L503
MW OSC
OSC
SWITCH
Q506
MW VT
VOLTAGE
BAND SELECT
SWITCH
Q516
LOOP
ANTENNA
2
AM RF-IN
22
FM RF-OUT
24
AM IF-IN
6
IF-REQ
17
OSC-O
19
ST.IND
18
LPF2
13
LPF1
14
FM IF-IN
7
MPX-IN
R-CH
15
QUAD
10
FM-OSC
21
AM-OSC
20
SW2
8
L505
SW2 ANT
L504
SW1 ANT
TC502
(J3000M)
(J3000)
(J3000)
TU +5V
MW OSC
Q503
(J3000M)
SW2 SWITCH
Q507
SW1
SWITCH
Q508
BUFFER
Q514
MUTING
Q513
IF-IN
12
IF-MUT
13
MUTE
9
AM
10
MONO BEAT
11
D506
BAND SELECT
SWITCH
Q511, 512
BAND SELECT
SWITCH
Q515
SW1
7
L502
SW2 OSC
OSC
SWITCH
Q504
SW2 VT
VOLTAGE
TU +5V
SW2 OSC
Q501
L501
SW1 OSC
OSC
SWITCH
Q505
D503
D504
SW1 VT
VOLTAGE
SW1 OSC
Q502
LOW-PASS
FILTER
PLL
IC502
D502
D501
MIX-O 4
DET-O 16
L-OUT
TU-L
ST-IND
12
R-OUT 11
DO 6
FM-IN
16
AM-IN
15
LP-IN
19
P-DET
18
LP-OUT
20
1
22
X-IN
X-OUT
X501
4.5MHz
C
D
E
DI 4
CL 5
CE
TU-DO
TU-DI
TU-CLK
TU-CE
3
• SIGNAL PATH
: AM (MW/SW)
: FM
•
R-ch is omitted due to same as L-ch.
(Page 19)
(Page 19)
(Page 19)
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