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A
B
SCHEMATIC DIAGRAM (TUNER) U, C, R, T, A and L models
1
2
10.4
10.5
(0)
(11.5)
3
0.1
(10.6)
VT
87.5MHz
1.9V
FM
98.0MHz
4.5V
108.0MHz
7.8V
531KHz
1.3V
AM
1080KHz
5.0V
1611KHz
7.3V
4
bottom view
5
6
7
8
PIN CONNECTION DIAGRAM OF DIODES, TRANSISTORS AND IC's.
1SS133
2SC1740S(R,S)
2SC535(A,B,G)
LA3401
1SS176
DTA114ES
2SC1815(Y)
LC72131
DTC144ES
HSS104
MTZJ5.6B
Anode
B
C
Cathode
E
C
D
E
Each voltage given here repressents that in the FM (98.1MHz STEREO) reception mode
but the one in the parentheses ( ) is that in the AM (1080kHz, MAN'L) reception mode.
DISCRIMINATOR BALANCE ADJ.
AM/FM IF
MONAURAL DISTORTION ADJ.
FM
FM
11.0
(11.1)
9.3
(9.4)
7.7 (7.6)
2.4
(2.1)
3.0
5.1
(5.2)
(2.8)
(5.2)
5.1
4.4
(4.4)
AM
AM
AM SENSITIVITY
SIGNAL METER ADJ.
(11.5)
0
11.4
(0.2)
11.4
(11.5)
2.4
(0)
0
(0)
0.1 10.6
(5.0)
4.9
0
(0)
(2.5)
0
0
(0)
REGULATOR
(0) 2.4
11.4
(0.2)
(5.0)
4.9
0
(0)
5.0
11.4
(1.0) 1.0
(0)
(5.0)
(11.5)
0
(1.0) 1.0
(0)
0
5.7
(5.0) 4.5
0
(0)
(5.7)
(0)
0
(2.5)
2.5
2.4
(2.5)
5.7
(5.7)
1
0
(0)
PLL
Point
1
(Pin22 of IC2)
V : 2V/div
H : 0.1µsec/div
LA1266
0V
12
24
2V
SAMPLE 0.1us
G
F
MPX
0 (0)
0
2.8
(9.1)
(0)
(9.1)
2.8
(0)
0
4.9
(4.9)
0 (0)
SEPARATION ADJ.
DC range
1 : 1 probe
H
I
IC1 : LA1266
AM/FM IF
IC2 : LC72131
PLL Controller
:USED
:NOT USED
IC3 : LA3401
MPX
• PK1 : ENV-172C8G1R (V2909100) U, C, R, T models
TO INPUT(1)
CB107
P58 H-8
L11
L1
C2
5P
L10
100K
1
2
3
4
• PK1 : ENV-172A4G1 (V2716700) A, L models
C1
C11
39P
22P
SVC212
R1
C2
L9
100K
15P
C28
R2
6P
100K
C32
0.01µ
1
2
3
4
All voltages are measured with a 10M Ω /V DC electric volt meter.
Components having special characteristics are marked
must be replaced with parts having specifications equal to those
originally installed.
Schematic diagram is subject to change without notice.
J
K
RX-V595/R-V905/RX-V595RDS
Q2
C8
2SC2620
L7
Q1
R4
5P
C5
2SK360
22
5P
DT2
L5
R19
MA372
R8
L2
L3
10K
1K
DT1
D5
MA372
MA110
C32
R3
C31
R28
2200P
C24
100K
1.5P
47P
C33
2200P
C13
R5
C10
R7
0.018m
100K
27P
680K
C9
C29
470P
2P
R9
100
R2
R15
R12
R22
R23
C27
R16
10K
330K
330
330
Q4
C17
C19
2SC2814
9P
5P
R10
2.7K
C18
DT4
22P
R17
MA372
R25
C15
10
L6
0.2P
Q6
C26
C12
C14
R13
R14
C20
C23
2SC2619
0.018µ
0.018µ
82P
10K
1.8K
12P
15P
5
6
7
8
Q2
C8
2SC535
L7
L1
4P
DT2
DT3
SVC212
SVC212
Q1
R4
C3
C5
2SK439
150
0.75P
10P
L5
R19
R26
L4
0.47m
1.5K
L2
L3
DT1
R8
10K
C24
C6
C7
47P
C4
R3
7P
2.5P
7P
100K
C10
R7
R27
27P
1M
390
R6
C31
C30
C13
R5
C9
L8
0.01µ
0.018m
0.018m
100K
100K
470P
R9
33
R20
R21
C29
C27
R22
R23
330K
470
R12
2P
0.018m
10K
330K
330
Q4
Q5
2SC461
2SC461
C16
C17
C19
2P
8P
5P
R10
4.7K
C18
27P
R24
R25
C15
L6
10
Q6
C26
C12
C25
C14
DT4
R13
R14
C20
C23
2SC461
0.01µ
0.018µ
0.01µ
47P
10K
1.8K
12P
15P
SVC212
5
6
7
8
and
62
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