DSP-R495/RX-V495/RX-V495RDS/HTR-5140/HTR-5140RDS
P. C. B. ASS'Y TUNER LIST
Model
Markets
Lead & SMD Lead Type
DSP-R495
J
V2519200
V2518500
RX-V495/HTR-5140
U, C
V2519300
V2518600
RX-V495/HTR-5140
R, T/T
V2519400
V2518700
RX-V495/HTR-5140
A, L/A
V2519500
V2518800
RX-V495RDS/HTR-5140RDS B, G/G
V2519600
V2518900
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
T
O
:
INPUT (1)
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
AM SENSITIVITY
ADJ.
SIGNAL
METER
ADJ.
SEPARATION
ADJ.
DISCRIMINATOR
BALANCE ADJ.
MONAURAL
DISTORTION
ADJ.
22
1
11
12
W1
24
1
12
13
1
22
11
12
1
T
O
:
INPUT (1)
Lead Type :
See page 40~41, PRINTED CIRCUIT BOARD
P. C. B. TUNER (Lead Type)
J, U, C, R, T, A and L models
●
Semiconductor Location
R48
T3
J41
SW1
J42
R55
R57
R58
R60
U,C
R,T
A,L
:USED
CIRCUIT CHANGES BY MARKET.
:NOT USED
J
H
42
43
B
A
C
D
E
F
G
1
2
3
4
5
6
■
PRINTED CIRCUIT BOARD (Foil side)
•
B and G models
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
V : 2V/div
H : 0.1
µ
sec/div
2V
SAMPLE 0.1us
Point
1 (Pin22 of IC2)
DC range
1 : 1 probe
0V
•
J, U, C, R, T, A and L models
P. C. B. TUNER (Lead Type & SMD)
Ref. No.
Location
B and G models
●
Semiconductor Location
Ref. No.
Location
There are two types of P. C. B. Assembly Tuner for these models in items of construction of components.
One uses the Lead Type Device only and the other uses the Lead Type device and Surface Mount Device (SMD).
These P. C. B. assemblies are interchangeable.
(Lead Type Device)
(Surface Mount Device)
(Lead Type Device)
(Surface Mount Device)