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31
31
HCD-DP800AV
6-8.
SCHEMATIC DIAGRAM – MAIN (3/3) SECTION – • See page 55, 56 for IC Block Diagrams.
R64
R62
C32
C36
TP3
TP4
TP2
R17
C11
C12
C13
C14
C
25
C63
FE1
FE2
IFT11
LPF11
LPF12
R12
R15
R16
R19
R28
R29
R43
R61
R65
RB41
X51
R1
4
C3
R1
R5
R6
R3
R4
C5
C31
C30
C29
C22
C23
C27
C35
R27
R30
R20
C19
R10
R66
R56
R55
C53
C51
C52
C62
C61
C60
C59
R41
C46
R42
C42
C43
R7
R18
RV11
R23
R22
C16
C15
C18
R
13
R58
C57
C58
C41
R25
C1
7
C56
R67
R60
R31
C28
R
26
R69
R68
C69
C24
R59
R63
C1
C38
C34
TM1
FE3
IC11
IC51
Q2
Q1
Q12
C40
C
49
C48
D51
C83
C85
R88
R84
R81
C86
C82
C87
C89
C91
C90
X81
R86
C92
C81
R85
L81
C88
C84
R87
R83
IC81
Q81
D81
C7
JR
11
JR10
JR6
JR
12
JR13
C2
JR
14
JR
9
L41
33
µ
H
JR19
CF2
C4
R8
CF1
C39
R21
R24
Q11
C20
C21
C26
T11
4.7k
4.7k
4.7
50V
4.7
50V
33k
0.01
F
47
16V
0.01
F
0.01
F
1
0
50V
0.01F
10k
68k
22k
10k
220k
220k
33k
100
100
4.5MHz
270
47
16V
0
680
330
47
47
0.01
F
0.01
F
3.3
50V 0.01
4700p
B
0.1
F
0
.01
F
47
16V
4.7k
3.3k
3.3k
1
50V
270
10k
10k
10k
0.001
B
27p
CH
27p
CH
0.47
50V
0.01
F
47
16V
0.01
F
10k
0.01
F
100k
9p
0.01
F
680
3.3k
22k
4.7k
2.2k
47
16V
0.01
F
1
50V
3
.3k
100
47
16V
2.2
50V
0.022
B
100
0.47
50V
0.01
F
10k
2.2k
0
4.7
50V
2.2k
4.7k
1k
0.01
F
4.7
50V
2.2k
4.7k
0.01
F
3300p
3300p
LA1845
LC72131
UN4111
2SC1674
2SC2603
0.047
33p
33p
1SS355TE -17
10
50V
2.2
50V
4.7k
470
330k
0.01
330p
560p
0.01
56p
56p
47
4700p
560p
0
2.2
50V
4700p
4.7k
1k
BU1924
2SC2603TP- EF
1SS355TE-17
0
0
0
0
0
0.01
0
0
0
0.01
F
1k
0.047
2SC2603-EF
CE
CL
MC DO
MC DI
TUNED
STEREO
MUTE
RDS DATA
RDS INT
R-CH
L-CH
ANALOG.GND
DIGITAL.GND
A+12V
RDS D+5V
CE
CL
CL
CE
PLL DO
PLL DI
PLL DI
PLL DO
*
1
*
4
*
4
*
3
*
3
*
2
FM
AM
TU
N
ED
FM
-I
N
VC
C
GN
D
S
TER
E
O
IF-R
EQ
L-OUT
R-OUT
A
M
/FM
VCO STOP
D
ET-OU
T
AM
-AG
C
AM
-R
F IN
AM
-O
S
C
M
U
TE
AM
XIN
XOUT
CE
DI
CL
DO
GND
VDD
FM
OSC
OSC
AM
75
Ω
75
Ω
(NULL)
4.332MHz
100UH
R
EG
A
M
M
IX-O
U
T
AM IF-I
N
FM
-D
ET
P
ILO
T
C
ANC
E
L
D
EC
O
D
E
R IN
PLL-IN
D
E
CO
D
E
R
OU
T
S.M
ETER
A
FC
FM.
SD
O
S
C
(NULL)
FM
(BO
1)
IF
REQ
(BO
2)
(BO
3)
VC
O
STO
P
(BO
4)
(IO1)
PD
IFIN
AIN
AOUT
NC
NC
(IO
2)
PLL
AF/FM
IF MPX
FM
AM
C7
0.01
METAL
CHIP
0
Ω
*
1
RF IF AMP
SWITCH
LEVEL
FM TUNED
C26
AEP
C20
C21
DECODER
BUFFER
BUFFER
BUFFER
R24
AEP
680
1K
R21
FM
680p
330p
AEP,CND
2200p
1500p
2200p
1500p
*
2
*
3
*
4
Q
U
AL
R
DAT
A
VR
EF
M
U
X
VDD
1
VS
S
1
VSS
3
C
M
P
T
2
T1
VSS
2
VD
D
2
X
O
XI
N
C
R
CL
K
AEP,AR,AUS,KR,MX
AR,AUS,KR,MX
CND
CND
AEP
CND
AR,AUS,KR,MX
AEP
AEP,KR
AR,AUS,CND,MX
AR,AUS,CND,KR,MX
CND
AR,AUS,KR,MX
AEP
AEP
AR,AUS,CND,KR,MX
AR,AUS,CND,KR,MX
AEP
AR,AUS,CND,KR,MX
AR,AUS,KR,MX
CND
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