Yamaha HTR-5150 Instrukcja serwisowa - Strona 4
Przeglądaj online lub pobierz pdf Instrukcja serwisowa dla Odbiornik Yamaha HTR-5150. Yamaha HTR-5150 20 stron.
Drukuj stronę
A
B
PRINTED CIRCUIT BOARD (Foil side)
1
There are two types of the Tuner P. C. B. assembly in this model:
One has only lead-type devices and the other has lead-type and surface-
mount (SMD) devices. These two P. C. B. assemblies are compatible.
MONAURAL
2
DISTORTION
DISCRIMINATOR
ADJ.
BALANCE ADJ.
1
24
3
AM
ANT
GND
FM
ANT
4
W1
AM SENSITIVITY
ADJ.
Lead Type
Semiconductor Location
Ref. No.
Location
Point
1
(Pin22 of IC2)
5
D1
C3
D2
C3
V : 2V/div
H : 50nsec/div
D3
D3
IC1
B3
IC2
C4
IC3
C3
IC4
D3
0V
Q1
B4
Q2
B4
Q3
B3
Q4
B3
2V
2V
Q5
C3
Q6
D2
Q7
C4
6
C
P. C. B. ASS'Y TUNER LIST
Model
Markets Lead Type
RX-V595aRDS
B, G
V2518900
•
B and G models
P. C. B. TUNER (Lead Type)
TO : INPUT (1)
SEPARATION
ADJ.
12
13
12
22
1
11
22
12
1
11
SIGNAL
1
METER
ADJ.
Point
2
(Pin12 of IC4)
V : 2V/div
H : 0.1µsec/div
DC range
DC range
1 : 1 probe
0V
SAMPLE 50us
2V
SAMPLE 0.1us
D
E
Lead & SMD
V2519600
AM
ANT
GND
FM
ANT
1
24
W1
12
13
2
Lead Type & SMD
Semiconductor Location
Ref. No.
Location
D1
G5
1 : 1 probe
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
42
F
•
B and G models
P. C. B. TUNER (Lead Type & SMD)
(Lead Type Device)
MONAURAL
DISCRIMINATOR
DISTORTION
BALANCE
SEPARATION
ADJ.
ADJ.
ADJ.
1
12
1
24
13
22
1
22
AM SENSITIVITY
SIGNAL
1
ADJ.
METER
ADJ.
(Surface Mount Device)
G
H
RX-V595a/HTR-5150/RX-V595aRDS
TO : INPUT (1)
11
12
24
1
11
13
12
12
2
43