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19
19
CX-LF
A500
6-2.
Bloc
k Dia
gram – Main Section –
:
T
U
N
E
R
: CD
• Sig
n
a
l
P
at
h
•
R
-C
H
is o
m
itt
e
d du
e
to sa
me
as L-C
H
.
: AUX
:
P
B (
T
A
P
E)
:
R
EC (
T
A
P
E)
R
-C
H
B
I
AS
OSC
Q301
Q302
+V
M
E
R
ASE
H
EAD
R
EC/
P
B
H
EAD
DECK
Q609
P
B
S
WIT
C
H
R
COU
NT
99
R
CL
K
100
R
CE
84
SYS
T
E
M
CO
NTR
OLLE
R
I
C601(2/2)
R
DA
T
A
98
L
R
AUX
J201
M
U
T
E CO
NT
Q263
J601
H
EAD
PH
O
N
ES
R
C
H
R
C
H
L
R
L
R
F
UC
TI
O
N
K
EY
R
E
M
O
T
E
CO
NTR
OL
R
ECE
I
VE
R
I
C602
S601-607
D603
ECO
TUNER UNIT
L-C
H
R
-C
H
R
-C
H
D OU
T
D
IN
CL
K
CE
T
U
N
ED
R
-C
H
R
T
U
N
ED
93
Q310
,
311
R
EC
S
WIT
C
H
Q305
,
306
,
307
L301
R
EC B
I
AS
Q303
Q304
MECHA BLOCK
S
W
1
P
LAY
T
SOL
D
RI
VE
Q608
M
O
T
O
R
D
RI
VE
Q606
T
R
EC
77
B
I
AS
81
T
S
W
24
X
T
1
12
X
T
2
13
X601
32.768k
H
z
X
IN
15
X OU
T
16
X602
8.64
MH
z
M
U
T
E
Q261
9
P
A
MP
M
U
T
E
Q221
,
253
Q214
,
216-220
Q223
,
225
,
229
29
RM
C
F
UC
TI
O
N
K
EY
S608-613
19
K
EY2
BASE
E
N
CODE
R
S614
20
BASE E
N
C
75
LED CO
NT
3
1
R
ESE
T
S
WIT
C
H
Q601
11
R
ESE
T
R
ESE
T
I
C603
2
1
D610
25
S
H
DE
T
D801-804
R
ELAY
D
RI
VE
AC
IN
PT
802
ECO
CD
P
O
W
E
R
CO
NTR
OL
Q420
Q401
R
Y801
18
K
EY1
82
CD
F
U
R
EG
Q312
+10V
+5V
+V
M
P
B/
R
EC EQ A
MP
I
C301
AUX L
19
18
OU
T
L
T
U L
23
T
A
P
E L
2
CD L
21
16
OU
T
R
R
-C
H
13
CO
NT
28
R
EC OU
T
R
M
U
T
E
80
R
DS S
I
G
23
R
DS DA
T
A
91
R
S
T
92
S
T
E
R
EO
M
U
T
E
FM
SOU
T
R
DA
T
A
R
INT
R
DS CL
K
27
R
-C
H
R
-C
H
S
W
2
R
R
EC
S
W
3
F
R
EC
S
W
4
P
AC
K
S
W
5
P
E
N
D
M
M
1
DEC
K
M
O
T
O
R
L OU
T
2
R
-C
H
L OU
T
1
F
DA
T
A
10
T
P
LAY S
W
79
T
MTR
CO
NT
6
T
E
N
D S
W
5
T
SOL
4
M
O
T
O
R
D
RI
VE
I
C604
OU
T
1
4
7
FIN
OU
T
2
2
9
RIN
O
P
E
N
M
TR
Y
M
O
T
O
R
CLOSE
CD OPEN/CLOSE
28
CD DOO
R
SE
74
O
P
E
N
73
CLOSE
Q222
DC
DE
T
PR
E
A
MP
P
O
W
E
R
A
MP
R
C
H
J203
S
P
EA
K
E
R
S
45
47
50
.
52
66
.
SEG1
SEG20
34
45
G
RI
D1
G
RI
D11
F
LUO
R
ESCE
NT
D
I
S
P
LAY
F
L601
FI
L1
FI
L2
TR
EBLE
E
N
CODE
R
S615
21
TR
EBLE E
N
C
VOLU
M
E
E
N
CODE
R
S616
22
VOL E
N
C
P
O
W
E
R
CO
NTR
OL
D602
+5V
R
EG
Q602-604
μ
CO
N
+B
V ECO
D608
P
O
W
E
R
S
WIT
C
H
8
P
CO
NT
Q605
Q610
L
IN
E
FI
L
T
E
R
L801
V ECO
PT
801
P
O
W
E
R
TR
A
N
S
FI
L2
FI
L1
D402
D404-407
2
TIM
ES
DE
T
D409
,
410
-V
F
L
R
EG
Q413
-V
F
L
-V
P
+V
P
+7V
R
EG
Q416-418
+7V
+V
M
R
EG
Q402
,
403
,
405
+V
M
+VCC
R
EG
Q406
,
407
+VCC
D417
AC
DE
T
Q412
DC
DE
T
Q408
,
409
H
OLD
Q411
OVE
R
CU
RR
E
NT
DE
T
Q201
,
243
25
H
OLD
L-C
H
A
CD SEC
TI
O
N
Summary of Contents for CX-LFA500
Page 12: ...12 CX LFA500 MEMO ...