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U
V
(X14-496X-XX) (A/6)
Q Q
E6
3 7 6 3 1 5 1 5 0
A1
TUNER PACK (AM/FM)
W22
1
DE-EMPH
1
R42 100
W23
2
PLL-DO
2
L2 10uH
W24
3
PLL-CE
3
L3 10uH
W25
4
PLL-CLK
4
L4 10uH
W26
5
PLL-DATA
5
J1
6
+12V
FM 75
7
Lch
FM: 600mV
8
GND
AM: 180mV
9
GND
Rch
10
ST (STEREO)
10
AM ANT
11
SD (TUNED)
11
12
S-LEVEL
12
13
FM-DET
13
4
AM IN
3
GND
E5
OTHERS: FM IN(75)
2
(E) TYPE: NC
OTHERS: FM IN(300)
1
(E) TYPE: (75)
SCHEMATIC DIA : RXD-652
A1
PIN No.
1-4
1
2
3-5
6
7-9
10
11
12
13
FM
0V
0.2V
5.0V 0.2V
11.9V 0.3V
5.4V
0.3V
3.6V
2.8V
T E
L
1 3 9 4 2 2 9 6 5 1 3
0V
0.2V 5.0V
0.2V 12.0V
0.2V
5.4V 0.4V
0.2V
0.1V
AM
LCD DISPLAY ASS'Y (B30-0180-
5)
w w w
.
W
X
P3
(X14-496X-XX) (B/6)
E1
15
3
PLL-CE
14
4
PLL-CLK
13
5
PLL-DATA
12
L1
2
PLL-DO
27uH
11
+12V
+12V
13
FM-DET
10
12
S-LEVEL
R1 100
R40 100
9
11
SD
C21 470P
WH2
8
10
ST
R2 100
R41 100
W21
7
1
DE-EMPH
0V
TUNER
6
MUTE
T. MUTE
5
Q1
Q2
+12V
+12V
0V
4
Rch
C1
C20
470P
100P
3
GND
2
-2.0V
R5
R6
Lch
8.2K
47K
1
12V
-12V
-2.0V
MUTE
R7
DRIVE
1K
Q3
4.8V
3.35V
(X09- ) (C/4)
CN13
Q1,2 : 2SC4213(B)
Q3
: 2SA1611(M5,M6) or
BACKLIGHT +B
2
+5V
2SA1586(Y,GR)
GND
1
D1
:
UDZ3.3B
CN12
NC
1
IRS
2
+B
R290
33K
3
VR
2
B.L +5V
1
B.L GND
30
VR
C216 0.47
V5
4
29
NC
C215 0.47
28
IRQ
V4
5
C214 0.47
27
V5
V3
6
C213 0.47
26
V4
V2
7
25
V3
C212 0.47
V1
8
24
V2
CAP2+
9
23
V1
CAP2-
10
22
CAP2+
CAP1-
11
21
CAP2-
CAP1+
12
20
CAP1-
CAP3-
13
19
CAP1+
VOUT
14
-10V
18
CAP3-
17
VOUT(-10V)
VSS
15
16
VSS
15
VDD
VDD
16
+B
14
D7
D7
17
13
D6
D6
18
12
D5
D5
19
11
D4
D4
20
10
D3
D3
21
9
D2
D2
22
8
D1
D1
23
7
D0
24
D0
6
RD(E)
x
a o
u 1 6 3
RD(E)
y
25
5
WR(R/W)
WR(R/W)
26
4
AO
AO
27
i
3
RES
RES
28
2
CS1
CS1
29
1
NC
NC
30
IC5 :
HD6433297A17F
Y
Z
8
11 10 9
8
7
6
5
5.7V
EJECT
R25
EJECT
Q12
R16
S2
Q13
3.3K
100
R11
D11
390
R26
S3
0V
0V
10K
BAND
0.3V
2.6V
0V
R27
S9
D12
33K
INPUT
0V
Q11
R28
S4
33K
AUTO/MONO
R29
S5
TIMER
STAND-BY
10K
R30
S6
3.3K
Q11-13
S7
LED DRIVE
R31
S8
3.3K
S10
R32
S11
10K
R33
S12
33K
MODE
+5V
Q
Q
3
7
6
3
1
-10V
+B
0.3V
1.3V
DATA OUT
48
17
A0
DATA IN
47
NO USE
46
NO USE
SCLK
45
NO USE
RESET
44
NO USE
43
NO USE
NMI
42
NO USE
VCC
41
DISPLAY u-COM
NO USE
STBY
40
VSS
IC5
VSS
39
(BOTTOM VIEW)
NO USE
XTAL
38
NO USE
37
9
NO USE
EXTAL
36
10
NO USE
35
MD1
11
NO USE
34
MD0
12
NO USE
33
AVSS
13
NO USE
NO USE
14
NO USE
15
NO USE
16
5
4
17
.
4.8V
3
+B
AA
AB
2
4
9
9
8
X09-A/4
-CN9
3/3
C
CN1
4
3
2
1
Q11
:
2SC1740S(Q,R) or
2SC2785(F,E)
Q12,13
:
2SC4081(R,S) or
2SC4116(Y,GR)
The DC voltage is an actual reading measured with a high
impedance type voltmeter as the AM/FM signal generator is
D11
:
B30-2551-05
specified to the conditions as shown in the list below. The
D12
:
B30-2522-05
measurement value may vary depending on the measuring
D13
:
MA111
instruments used or on the product. The value shown in ( ) is
C13
actual reading measured in the AM mode.
4.7u16
MODE
CARRIER
C15
R22
0.01
10K
FREQUENCY
C14
R21
0.01
10K
FM
98MHz
1kHz
S1
AM
1000(999)kHz
400Hz
(X14 ) (D/6)
ON/STAND BY
MULTI CONTROL
S13
WH1
X09-A/4
-CN6
2
2
1
1
3/3
D
CN11
+5V
1
B.L. 5V
2
B.L. GND
5
1
5
0
8
9
2
4
3
GND
-10V
+B
R294
X09-A/4
100
-CN10
3/3
E
1
2.4V
2
0V
R293
4
DATA IN
100
5
DATA OUT
R292
3
4.6V
6
SCLK
4
4.8V
R261 100
100
7
RESET
8
WAIT
4.8V
R310 10K
5
C204
1000P
9
-10V
6
+B
7
0.0V
8
10
GND
9
1.6V
X4
16MHz
C203
0.01
+
10
2.0V
R260
4.7
11
4.8V
+B
+B
+5V
11
+5V
12
5.0V
13
14
m
15
16
c o
X09-A/4
-CN4
3/3
F
RD-VH7(K) (2/3)
Y39-3170-11
AC
AD
CAUTION: For continued safety, replace
safety critical components only with manu-
facturer's recommended parts (refer to
2
9
9
parts list).
indicates safety critical com-
ponents. For continued protection against
risk of fire, replace only with same type and
rating fuse(s). To reduce the risk of electric
shock, leakage-current or resistance mea-
surements shall be carried out (exposed
parts are acceptably insulated from the
supply circuit) before the appliance is
returned to the customer.
MODULATION
ANT INPUT
DEVIATION
STEREO 67.5kHz 7.5kHz(Pilot)
60dB
MONO 30% MOD
60dB
BU4066BCF
SI-3050J
DAN202U
2SK209
9
8
2
9
9
LC75396NE
UN5212
NJM2100M
1SS301
UPC2905HF
NJM4565M
RD-VH7
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