A
B
C
D
E
F
G
H
1
2
3
4
5
6
26
■
RX-V395/RDS PRINTED CIRCUIT BOARD (Foil side)
RX-V395/RDS HTR5130/RDS
V : 2V/div H : 1
µ
sec/div
DC range 1 : 1 probe
Point
w
(Pin21 of IC3)
Point
e
(Pin12 of IC4)
V : 2V/div H : 0.1
µ
sec/div
DC range 1 : 1 probe
V : 2V/div H : 50 nsec/div
DC range 1 : 1 probe
Point
q
(Pin22 of IC2)
2V
SAMPLE
50 ns
0V
2V
SAMPLE
0.1
µ
s
0V
2V
SAMPLE
1
µ
s
0V
●
U, C, R, T, A, L models
P.C.B TUNER
●
B, G models
Ref. No.
D1
D2
D3
IC1
IC2
IC3
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Location
C3
C3
D2
B2
C3
C3
B3
B3
B3
B2
C3
D2
C3
Ref. No.
D1
D2
D3
IC1
IC2
IC3
IC4
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Location
C3
C3
D3
B3
C3
C3
D3
C3
B3
B3
C2
D3
D2
C3
U, C, R, T, A, L models
●
Semiconductor Location
B, G models
●
Semiconductor Location
CIRCUIT CHANGES BY MARKET
P.C.B TUNER
13
TUL
TE
TUR
+12
METER
TMUTE
/ST
CE
DI
CLK
DO
DEST or Rdo
Rce
Rdi
Rclk
Rsyn
FREQUENCY
STEP
(R,T only)
AM
ANT
FM
ANT
GND
SIGNAL
METER
ADJ.
AM SENSITIVITY
ADJ.
SEPARATION
ADJ.
DISCRIMINATOR
BALANCE ADJ.
MONAURAL
DISTORTION
ADJ.
12
1
24
22
1
11
1
22
12
11
W1
12
1
TO:INPUT (1)
S13
S1
S12
S7
S7
S12
S12
S8
S8
S14
S6
S3
S2
S4
S5
S10
S9
TUL
TE
TUR
+12
METER
TMUTE
/ST
CE
DI
CLK
DO
DEST or Rdo
Rce
Rdi
Rclk
Rsyn
TO:INPUT (1)
SEPARATION
ADJ.
MONAURAL
DISTORTION
ADJ.
AM
ANT
FM
ANT
GND
SIGNAL
METER
ADJ.
AM SENSITIVITY
ADJ.
DISCRIMINATOR
BALANCE ADJ.
22
1
11
12
13
12
1
24
1
22
12
11
W1
12
1
13
24
1
2
3
S12
S12
S7
S7
S8
S8
S5
S13
S1
S12
S2
S3
S6
S14