27
27
WX-4500X
6-3. BLOCK DIAGRAM — TUNER SECTION —
ANT-AM
CDC L
TAPE L
CD L
AM
MPXI
MP IN
AM DET
CD L
TAPE L
MPX
ANT-FM
1
1
2
8
40
10
SDA 12
SCL 13
S-METER 14
FM AGC 4
SDA 17
SCL 18
VSM
SDA
SCL
S MUTE
II DATA
II CLK
E-VOL MUTE
MUTE
53
19
70
59
AMP ON 60
STBY
4
AC GND
16
AMP MUTE 58
BEEP
RESET
15
TEST IN 80
FM AGC
51
EE DATA
10
EE CLK
11
X1A
73
XOA
X700
32.768kHz
X451
3.58MHz
74
3
1
3
33
38
MUTE
22
15
11
27
XO
92
XI
93
28
24
23
21
44
4
12
14
9
LPF
IC451
VOL
TONE
BAL/
FAD
ACC IN 81
ILL IN 100
TEL ATT 79
TU ON 1
POWER ON
TU8.5V
BATT
BATT
COM8V
TU5V
AUDIO 10V
BATT
104
1
4
2
MUTE
Q303
9
7
17
19
MUTE
Q303
ACC CHECK
Q903
ILLUM CHECK
Q904
TEL ATT
Q906
ANT REMOTE
SW
Q900(1/2)
ANT/AMP
REMOTE SW
Q902
MUTE DRIVE
Q300,301
AMP REMOTE
SW
Q900(2/2)
MUTE
Q303
1
4
2
+5V REG
Q1
REG
IC1
J1
(ANTENNA)
20
71
17
57
TU1
TUNER UNIT
ELECTRONIC VOLUME
IC300
ADSO(L-CH)
IC100
SA OUT
SA CLK
SA AUDIO
SA CLK
SW
FL
RL
MUTE
Q302
CN300
CN900
-1
-2
-3
-4
L
R
L
R
SUB WOOFER OUT(MONO)
BUS AUDIO IN
R-CH
FL+
FL–
RL+
RL–
FR+
FR–
RR+
RR–
TEST
ACC
ILL
2
1
10
9
3
7
ANT REM
5
6
4
11
12
13
15
ATT
14
BATT
AMP REM
16
R-CH
BATT
F901
+8V REG
IC301
POWER AMP
IC170
MAIN
SYSTEM CONTROL
IC700(1/2)
4
TAPE
SECTION
1
TAPE
SECTION
2
CD
SECTION
3
CD
SECTION
5
TAPE
SECTION
A-MUTE
• Signal path
: FM
: AM
: CD
: TAPE(PB)
IN1
IN3
OUT1+
OUT1–
OUT3+
OUT3–
• R-ch is omitted due to same as L-ch.
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Summary of Contents for WX-4500X Installation/Connections
Page 4: ...4 WX 4500X SECTION 1 GENERAL This section extracted from instruction manual ...
Page 5: ...5 WX 4500X ...
Page 6: ...6 WX 4500X ...
Page 7: ...7 WX 4500X ...
Page 8: ...8 WX 4500X ...
Page 9: ...9 9 WX 4500X Connections ...
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