RX-V10MK
2
2
2
2
2
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
I
J
K
L
M
N
■
SCHEMATIC DIAGRAM (TUNER)
IC1 : LA1266
AM / FM IF
■
IC BLOCK
IC2 : LM7000N
PLL Control
IC3 : LA3401
MPX
IC5 : LC7073
RDS Converter & Controller
•
The voltages are measured FM (98.1 MHz, STEREO) reception mode.
Only the voltages in ( ) are in the AM (1080kHz, MAN'L) reception mode.
R model
B, G models
PIN CONNECTION DIAGRAM OF TRANSISTORS, DIODES AND IC’s.
2SC535(A, B, C)
2SC1815(Y)
2SD400
LC7073
LA3401
2SA1317(R, S, T)
1SS133
1SS176
HSS104
HZS6C2TD
LM7000N
LA1266
LA2232
Anode
Cathode
E
C
B
12
24
43
●
R model
PK1 : ENV-17298G1( VR242200)
●
B, G models
PK1 : ENV-17297G1( VQ987600)
FRONT END PACK
Point
2
(Pin 24 of IC4)
V : 2V/div
H : 1
µ
sec/div
AC range
1 : 1 probe
TEST POINT WAVEFORMS
Point
1
(Pin 1 of IC2)
V : 1V/div
H : 0.1
µ
sec/div
AC range
1 : 1 probe
0V
Point
3
(Pin 18 of IC5)
V : 2V/div
H : 0.1
µ
sec/div
AC range
1 : 1 probe
1
2
3
4
5
6
7
8
C1
39P
C11
22P
C3
0.75P
L9
R1
100K
C28
6P
C2
18P
DT1
SVC212
R2
100K
C5
9P
C4
7P
R3
100K
Q1
2SK439
R8
330
R9
100
C30
0.018
µ
C13
0.018
µ
C6
7P
C7
2.5P
R6
100K
R5
100K
C10
27P
C9
470P
R7
820K
C8
4P
L4
L5
0.47
µ
R19
10K
C24
47P
L7
R23
330
R22
330K
R12
10K
C27
0.018
µ
C29
2P
Q4
2SC461
Q6
2SC461
R24
10
R25
C23
15P
C20
12P
C19
5P
R14
1.8K
C18
27P
R13
10K
C17
8P
L6
C15
DT4
SVC212
C16
2P
R10
4.7K
C14
47P
C25
0.01
µ
R21
470
R20
330K
C26
0.01
µ
C12
0.018
µ
DT2
SVC212
DT3
SVC212
L3
L2
L1
Q2
2SC535
ANT
GND1
GND2
GND3
VT
+B
IF OUT
OSC OUT
R4
22
1
2
3
4
5
6
7
8
L1
C2
4P
DT1
SVC212
R2
27K
C5
9P
R3
100K
Q1
2SK439
R4
22
R9
100
C30
0.018
µ
C13
0.018
µ
C31
R5
100K
C10
30P
C9
470P
R7
330K
C8
5P
L5
0.47
µ
R19
10K
C24
47P
L7
R23
330
R22
330K
R12
10K
C27
0.018
µ
C29
2P
Q4
2SC461
Q6
2SC461
R24
10
R25
75
C23
15P
C20
12P
C19
5P
R14
1.8K
C18
27P
R13
10K
C17
8P
L6
C15
DT4
SVC212
C16
2P
R10
4.7K
C14
47P
C25
0.01
µ
R21
470
R20
330K
C26
0.01
µ
C12
0.018
µ
DT2
SVC212
L3
L2
Q2
2SC535
ANT
ANT2
GND2
GND3
VT
+B
IF OUT
OSC OUT
L11
L10
C1
R8
680
1V
SAMPLE
0.1
µ
s
0V
★
All voltages are measured with a 10M
Ω
/V DC electric volt meter.
★
Components having special characteristics are marked and
must be replaced with parts having specifications equal to those
originally installed.
★
Schematic diagram is subject to change without notice.
FM
AM
FM
AM
TUNER(Lch)
1
SIGNAL
METER ADJ.
AM
SENSITIVITY
ADJ.
SEPARATION
ADJ.
MONAURAL
DISTORTION
ADJ.(ANTENNA)
DISCRIMINATION
BALANCE
ADJ.(FRONT)
FM
VT
AM
87.5MHz
1.6V
10 .0
(10 .0)
5.8
(5.8)
5.8
5.0
(5.0)
9.1(9.0)
2.5(1.0)
10.9(10.9)
3.3(2.3)
4.0(3.7)
4.0(3.7)
4.0(3.7)
0(10.2)
1.5(1.9)
2.5(1.1)
0(3.2)
2.7(2.6)
1.5(2.0)
1.4(1.4)
0(0)
10.9(10.9)
10.8(10.9)
0(0)
4.0(3.8)
2.5(2.8)
2.9(2.3)
3.2(3.2)
0(0)
2.5
(1.1)
98.1MHz
4.1V
108.0MHz
8.5V
531KHz
1.4V
1080KHz
4.9V
1611KHz
7.4V
10.0
(10.8)
0
(11.2)
11.2
(11.3)
0.1
(0)
0.1(0.1)
0(5.7)
11.2(0.2)
5.2(0)
5.3(5.3)
5.2(5.2)
0(0)
0(0)
1.6(1.5)
0.1(1.7)
2.7(0)
5.0(5.0)
5.0(5.0)
1.0(1.0)
1.3(1.3)
0
(0)
(10.6)
4.1
(4.9)
4.1
(4.9)
0.6
(0.6)
1.0
(1.1)
6.0(6.0)
6.0(6.0)
0(0)
0(0)
1
1.3(1
1.2)
2 .8(3.3)
4.9(7.2)
4.2(5.5)
6.7(9.2)
2.8(2.8)
0(0)
5.0(0)
4.6(4.6)
0(0)
3.2(3.1)
3.2(3.1)
3.2(3.2)
3.2(3.2)
3.1(3.0)
3.2(3.1)
3.2(3.1)
3.1(3.1)
3.1(3.1)
0(5.7)
0(0)
0.6
(0.6)
AM/FM IF
PLL
L.P.F
REGULATOR
MPX
TO
VOL(1)
CB534
P42 A-5
VF54120
TUNER(Lch)
FM
FM
AM
AM
2
1
3
SEPARATION
ADJ.
RDS
SENSITIVITY
ADJ.
SIGNAL
METER ADJ.
AM
SENSITIVITY
ADJ.
MONAURAL
DISTORTION
ADJ.(ANTENNA)
DISCRIMINATION
BALANCE
ADJ.(FRONT)
FM
VT
AM
87.5MHz
1.6V
10 .0
(10 .0)
5.8
(5.8)
5.8
5.0
(5.0)
9.1(9.0)
2.5(1.0)
10.9(10.9)
3.3(2.3)
4.0(3.7)
4.0(3.7)
4.0(3.7)
0(10.2)
1.5(1.9)
2.5(1.1)
0(3.2)
2.7(2.6)
1.5(2.0)
1.4(1.4)
0(0)
10.9(10.9)
10.8(10.9)
0(0)
4.0(3.8)
2.5
(2.8)
2.9(2.3)
3.2(3.2)
0(0)
2.5
(1.1)
98.1MHz
4.1V
108.0MHz
8.5V
531KHz
1.4V
1080KHz
4.9V
1611KHz
7.4V
10.0
(10.8)
0
(11.2)
11.2
(11.3)
0.1
(0)
0.1(0.1)
0(5.7)
11.2(0.2)
5.2(0)
5.3(5.3)
5.2(5.2)
0(0)
0(0)
1.6(1.5)
0.1(1.7)
2.7(0)
5.0(5.0)
5.0(5.0)
1.0(1.0)
1.3(1.3)
0
(0)
(10.6)
4.1
(4.9)
4.1
(4.9)
0.6
(0.6)
1.0
(1.1)
11.2
(11.3)
6.0(6.0)
6.0(6.0)
0(0)
0(0)
1
1.3(1
1.2)
2 .8(3.3)
4.9(7.2)
4.2(5.5)
6.7(9.2)
2.8(2.8)
0(0)
5.0(0)
4.6(4.6)
0(0)
3.2(3.1)
3.2(3.1)
3.2(3.2)
3.2(3.2)
3.1(3.0)
3.2(3.1)
3.2(3.1)
3.1(3.1)
3.1(3.1)
0(5.7)
0(0)
0.6
(0.6)
AM/FM IF
MPX
RDS
REGULATOR
PLL
L.P.F
TO
VOL(1)
CB534
P42 A-5
TO
FUNC(2)
CB402
P40 C-1
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1
6
3
.
c
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m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299