E-41/J-37
H
E-40/J-36
B
A
C
D
E
F
G
1
2
3
4
5
6
P. C. B. ASS'Y TUNER LIST
Model
Markets
Lead Type
Lead & SMD
RX-V496RDS/
B, G/G
V2518900
V2519600
HTR-5240RDS
Lead Type
●
Semiconductor Location
■
PRINTED CIRCUIT BOARD (Foil side)
•
B and G models (RDS model)
P. C. B. TUNER (Lead Type & SMD)
SAMPLE 0.1us
2V
SAMPLE 50us
2V
2V
V : 2V/div
H : 50nsec/div
Point
1
(Pin22 of IC2)
DC range
1 : 1 probe
0V
V : 2V/div
H : 0.1
µ
sec/div
Point
2
(Pin12 of IC4)
DC range
1 : 1 probe
0V
•
B and G models (RDS model)
P. C. B. TUNER (Lead Type)
Lead Type & SMD
●
Semiconductor Location
Ref. No.
Location
D1
G5
D2
G5
D3
H4
IC1
F2
IC2
G3
IC3
G2
IC4
H3
Q1
F3
Q2
F3
Q3
F3
Q4
F2
Q5
G2
Q6
H2
Q7
G3
There are two types of Tuner P. C. B. assemblies for this model:
One has only lead-type device and the other has lead-type and surface-
mount (SMD) devices. These two P. C. B. assemblies are interchangeable.
(Lead Type Device)
(Surface Mount Device)
TUL
TE
TUR
+12
METER
TMUTE
/ST
CE
DI
CLK
DO
DEST or Rdo
Rce
Rdi
Rclk
Rsyn
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
TO : INPUT (1)
Ref. No.
Location
D1
C3
D2
C3
D3
D3
IC1
B3
IC2
C4
IC3
C3
IC4
D3
Q1
B4
Q2
B4
Q3
B3
Q4
B3
Q5
C3
Q6
D2
Q7
C4
TUL
TE
TUR
+12
METER
TMUTE
/ST
CE
DI
CLK
DO
DEST or Rdo
Rce
Rdi
Rclk
Rsyn
AM
ANT
FM
ANT
GND
AM SENSITIVITY
ADJ.
SEPARATION
ADJ.
DISCRIMINATOR
BALANCE
ADJ.
MONAURAL
DISTORTION
ADJ.
W1
SIGNAL
METER
ADJ.
24
1
12
13
22
1
11
12
1
22
11
12
13
24
12
1
1
2
TO : INPUT (1)
DSP-R496/RX-V496/RX-V496RDS/HTR-5240/HTR-5240RDS