Advertisement
SCHEMATIC DIAGRAM - 9
MAIN (TUNER) CIRCUIT
TUNER PACK CIRCUIT
FM EXT
ANT
1
1
UNBALANCED
75 OHM
2
2
GND
3
3
AM LOOP ANT
4
AM EXT
4
ANT
JK2601
5
L2601
G2A411C00001
R3610
C3607
1K
0.047
R3614
5.6K
C2633
27P
C3610
0.01
R2652
0
C2634
27P
2.2P
5.6P
2SK544
2SC2786M
1.2U
1000P
100K
100K
180P
390
220
100K
560K
4.7P
2.2P
D2602
C2636
B0CDBB000015
1000P
1
6
2
4
3
L2602
R3619
G2BPC0000016
3.3K
R3612
C3608
100K
8P
R3611
390
C2625
16V22
C3611
50V4.7
R3616
C2612
1K
0.01
20
19
18
17
16
15
IC2602
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
2
1
3
4
5
6
R2638
3.3K
R2630
10K
: +B SIGNAL LINE
: FM SIGNAL LINE
: FM/AM SIGNAL LINE
: FM OSC SIGNAL LINE
CF2601
J0B1075AA014
0.47U
1
3
7
390
2
1000P
6
390
C2601
0.01
2SC1675l1l2
5.6P
680K
8
2.2P
2SC2787FL1TA
C3609
C2614
1000P
50V3.3
IC2601
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/FM MPX
24
23
22
R3618
3.3K
1
2
C3606
C2627
C2626
16V22
1
3
2
1
5
6
Z2602
G2BAD0000003
R2628
82
R3617
47K
R2629
27K
C2624
100P
14
13
12
11
R2632
10K
7
8
9
10
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
R3604
1K
C3603
R3607
0.01
330
CF2602
J0B1075AA014
3
1
R3606
R3601
C3604
470K
0
1000P
2
R3605
470
Q2601
Q2601
B1AABC000003
FM IF AMP
R2621
R3603
C3602
270
16V10
C2620
22K
16V10
C2638
0.01
R2643
22K
C2619
680P
R3620
47K
21
20
19
18
17
16
15
14
IC2601
3
4
5
6
7
8
9
10
11
C2647
1000P
0.01
C2648
0.01
R2626
1K
4
C2649
C2629
0.1
6.3V100
R2633
1K
W2919
0
Q2606
Q2606
B1GCCFJJ0016
TUNER 15V
SUPPLY SWITCH
R2646
5.6K
C2617
0.01
C2644
6800P
R2642
6.8K
C2642
R2641
50V1
6.8K
C2641
50V1
R2645
5.6K
C2643
6800P
13
12
C2621
50V0.47
C2623
50V1
R2644
120
R2631
120
TUNR
A
CE_T
B
TUL
C
TO
PLLDA
D
MAIN
DO/ST
CIRCUIT
E
PLLCK
(1B) ON
F
SCHEMATIC
TGND
G
DIAGRAM - 15
15V
H
TU_SD
I
+7.5V_T
J
1A
Advertisement
