7-2
7-2
CIRCUIT DIAGRAM
C25
220uf/10v
C26
104p
R17
220
DZ1
5.1V
Q2
BC847
Q1
BC847
R24
1K
R23
1K
R22
1M
R21
1M
C32 100p
C31
100p
C27
1uf/50v
C28
1uf/50v
R18
220
R20
2.2K
R19
2.2K
C30
47uf/
10v
C29
104p
D1
BB
202
D2
BB2
02
R4
10K
C12
5p
C10
20p
R9
33K
R11
4.7
R12
100K
C5
223p
R14
18K
L3
120nH
C1
100p
C3 47p
C2 27pF
CPO
1
VCO1
2
VCD2
3
VCCosc
4
DGND
5
VCCD
6
DATA
7
CLOCK
8
WRE
N
9
BUSE
10
SWP1
11
SWP2
12
XTL1
13
XTL2
14
PHFL
15
PI
FL
16
VAFR
17
VAFL
18
TMUT
19
MPXO
20
VREF
21
TIFC
22
LDE1
23
LDE2
24
IGAN
25
AGND
26
VCCA
27
RFI
1
28
RFGD
29
RFI
2
30
TAGC
31
LOOPSW
32
U1
TEA5768HL
C4
472p
R7
100K
L1
33nH
L2
33nH
C7
223p
C8
103p
R1
22
XT1
13MHz
R10
10K
R8
10K
C9
223p
C22
474p
C16
333p
C23
474p
C17
330pF
C13
223p
C18
333p
C14
223p
C15
102p
R2
10
C19
473p
C20
473p
C21
473p
C24
104p
R13
33K
C11
393p
+5V0
+5V0
+5V0
NECTAR-C
TUN-R
-1
TUN-L-1
RDS-
1
GND
+12V
-1
SDA-1
SCL
-1
C6
22uf/10v
R15
2.2K
R16
2.2K
GND
1 2 3 4
CN4
4P
RF1
1 2 3 4 5 6 7 8
CN1
8P
TUNER.SCH
Summary of Contents for MCD288
Page 18: ...4 1 SET BLOCK DIAGRAM 4 1 ...
Page 19: ...5 1 SET BLOCK DIAGRAM 5 1 ...
Page 21: ...6 2 6 2 LAYOUT DIAGRAM DISPLAY BOARD TOP VIEW ...
Page 22: ...LAYOUT DIAGRAM DISPLAY BOARD BOTTOM VIEW 6 3 6 3 ...
Page 27: ...8 2 8 2 LAYOUT DIAGRAM POWER BOARD ...