26
26
HCD-GX20
5-7. Schematic Diagram – MAIN Section (1/4) –
• See page 34 for IC Block Diagrams.
• See page 19 for Waveforms.
2.3
2.6
1
1
2.6
2.6
5.1
6.9
0
0
0
0
0
0
11.9
6.4
2.3
8
8
2.3
2.3
4.5
8.1
8
0
6.9
3.4
3.1
3.1
0.3
0
2.5
2.3
2.1
2.2
3.4
3.4
0
0
4.9
0
0
0
0.2
0.2
9.6
11.8
5.6
1
2
3
4
5
6
9
10
11
12
14
15
17
18
16
13
MAIN BOARD
(1/4)
AM
ANTENNA
FM75
Ω
RF IF
AMP
+B SWITCH
IC102
PLL
IC101
AM FM IF MPX
0.022
0.022
MUTE
MUTE
RV101
FM TUNED
LEVEL
IFT101
AM IF
T101
NULL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
