DOWNLOAD Panasonic ST-HD501V Service Manual ↓ Size: 4.65 MB | Pages: 31 in PDF or view online for FREE

Model
ST-HD501V
Pages
31
Size
4.65 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / TUNER
File
st-hd501v.pdf
Date
PREV: Panasonic ST-HD501GC Service Manual

Panasonic ST-HD501V Service Manual ▷ View online

8 Schematic Diagram
2SC1675LIL2
BUFFER AMP
(LOCAL OSC)
2SC2786M
FM MIXER
2SK544F
RF AMP
SCHEMATIC DIAGRAM 1
2
3
4
5
1
7
8
6
1
2
3
4
5
6
A
Ca
A
AM ANT
AM OSC
1
2
3
4
5
6
Z101
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
XI
N
CE
DI
CL
DO
AM
LW
SDC
STRQ
FM
IF
IN
MONO
AM
IN
FM
IN
V
DD
PD
AI
N
A
OUT
Vss
X
OUT
100K
2.7K
2.2P
4.7P
2.2P
560K
390
680K
390
390
1000P
10P
R103
270
C101
0.01
C102
16V10
3.3P
10P
820K
180P
2.2P
220
100K
1000P
100K
5.6P
Z120 FM FRONT END(RAL0006)
R110
1K
C107
0.047
R1
12
100K
C108
8.2P
C136
1000P
A
B
C
D
R111
390
R128
82
R129
27K
C124
100P
C112
0.01
R1
15
560
R116
1K
C1
1
1
25V4.7
D101
MA4051MT
A
R1
13
10K
C133
27P
C134
27P
X103
(7.2MHz)
R1
17
47K
C130
6.3V100
C132
1000P
C1
13
1000P
R132
10K
R133
1K
R138
3.3K
R130
10K
R137
1K
R136
1K
R135
1K
R134
470
A
B
C
D
C125
16V22
R114
5.6K
C1
10
0.01
A
B
C
D
E
F
AM ANT
EXT
LOOP
FM ANT
GND
75
JK101
IC102
LC72131MDTLM
PLL FREQUENCY
SYNTHESIZER
TUNER CIRCUIT
A
L102
0.68
H
L101
0.68
H
L103
0.47
H
0.47
H
1.2
H
NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM 1" or "SCHEMATIC DIAGRAM 2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
For [GC] area.
0V
(0V)
4.1V
2.5V
5.2V
0.9V
2.9V
2.6V
(2V)
0.9V
0V
(2.5V)
(0V)
0V
(14.8V)
0V
3.7V
(4.2V)
3.7V
(0V)
1.2V
0V
0V
0V
2.6V
FM/AM
F=7.2MHz
2.2V
P P
F
87.5MHz
108MHz
2.7V
9.8V
[ FM ]
V
F
522kHz
1629kHz
1V
5.1V
[ AM ]
V
FM/AM
F=7.2MHz
2V
P P
: POSITIVE VOLTAGE LINE
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
ST-HD501V
10
IC101
LA1833MN-TLM
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
Q106
UN4111TA
POWER SUPPLY
(FM : ON)
SCHEMATIC DIAGRAM 2
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
FM
IF
IN
AM
MIX
OUT
REG
AM
IF
IN
GND
SD
ST
FM
DET
Vcc
STRQ
FM/AM
MONO
OSC
OUT
OSC
AFC
AM
RF
IN
AGC
AM
OUT
DET
OUT
PILOT
IN
MPX
IN
PILOT
OUT
Rch
Lch
Z102
1
2
3
4
6
1
2
3
1
3 2
4
5
6
7
1
3 2
4
5
6
7
10K
10K
CL
DO
DI
Lch
OUT
CE
Rch
OUT
NC
+B(2)
SD
NC
STEYE
VT
+B(1)
T
.GND
CN101B
CN102B
A
B
C
D
A
B
A
B
B A
D
F
C E
R127
470
C122
50V1
R122
2.7K
C121
50V0.47
C123
50V1
R131
68
C149
0.1
C147
1000P
R125
470
R126
1.5K
C148
0.01
R124
270
X102
A
B
C106
0.01
C126
0.047
C127
16V22
C129
6.3V100
R1
19
6.8K
C1
17
0.018
C141
50V1
R141
1K
R145
100K
C143
4700P
B
A
C144
4700P
R146
100K
R142
1K
C142
50V1
C1
18
0.018
C137
4700P
C131
100P
R123
68K
C138
0.01
C120
16V10
R121
22K
C139
4700P
R102
4.7K
C1
19
560P
C1
16
0.033
R143
22K
C1
15
25V4.7
R120
47K
C109
1000P
C1
14
50V3.3
R1
18
3.3K
A
D
B
C
R104
1K
C103
0.01
R107
330
C104
1000P
R105
470
CF201
R106
470K
1
3
2
CF202
1
3
2
14.5V
7.3V
14.5V
Q101
2SC2787LTA
FM IF AMP
To
CONNECTOR CIRCUIT(CN102A)
on SCHEMATIC DIAGRAM 6
E
To
CONNECTOR CIRCUIT(CN101A)
on SCHEMATIC DIAGRAM 6
E
7.3V
14.8V
14.8V
14.8V
14.7V
0V
(0V)
(14.8V)
(0V)
12V
0.7V
(0V)
FM
LINE
+B
FM
0.12V
P P
3.7V
(4.2V)
5.2V
(5.7V)
2.4V
2.4V
1.2V
0V
(2.1V)
2.7V
(0.3V)
2.1V
2.1V
2.1V
1.9V
1.9V
4.2V
(3.5V)
3.7V
(1.1V)
0V
5.2V
(5.7V)
3.4V
(4.1V)
0V
(4.7V)
0V
(5.7V)
2.1V
5.2V
2.1V
2.1V
: POSITIVE VOLTAGE LINE
: FM SIGNAL LINE
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
ST-HD501V
11
A
1
2
3
4
5
6
A
Ca
A
AM ANT
AM OSC
1
2
3
4
5
6
Z101
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
XI
N
CE
DI
CL
DO
AM
LW
SDC
STRQ
FM
IF
IN
MONO
AM
IN
FM
IN
V
DD
PD
AI
N
A
OUT
Vss
X
OUT
Z120 FM FRONT END (RAL0035)
R110
1K
C107
0.047
R1
12
100K
C108
8.2P
C136
1000P
A
B
C
D
R111
390
R128
82
R129
27K
C124
100P
C112
0.01
R1
15
560
R116
1K
C1
1
1
25V4.7
D101
MA4051MT
A
R1
13
10K
C133
27P
C134
27P
X103
(7.2MHz)
R1
17
68K
C130
6.3V100
C132
1000P
C1
13
1000P
R132
10K
R133
1K
R138
3.3K
R130
10K
R137
1K
R136
1K
R135
1K
R134
470
A
B
C
D
C125
16V22
R114
5.6K
C1
10
0.01
A
B
C
D
E
F
IC102
LC72131MDTLM
PLL FREQUENCY
SYNTHESIZER
AM ANT
EXT
LOOP
FM ANT
(75
)
JK101
SCHEMATIC DIAGRAM 3
TUNER CIRCUIT
R103
100
C101
0.01
C102
16V100
2
3
4
5
6
7
8
2SC2996
BUFFER AMP
2SC2996
BUFFER AMP
2SK360
FM OSC
2SK238
RF AMP
1
22P
15P
1P
18P
8P
100K
0.022
2.7K
47P
3P
33K
100K
8P
8P
10K
10K
22
33K
33K
100K
8P
0.022
100
330
7P
4P
22P
1P
4P
220P
1.5M
10K
220
0.022
0.022
150
2P
18P
1.2K
33P
470K
16V100
15P
330
2SC2620
FM MIXER
L103
0.47
H
0.47
H
1
H
L102
0.68
H
L101
0.68
H
For [GK] area.
FM/AM
F=7.2MHz
2.2V
P-P
FM/AM
F=7.2MHz
2V
P-P
(2V)
0V
(0V)
(2.5V)
(0V)
(14.8V)
(4.2V)
(0V)
:POSITIVE VOLTAGE LINE
:FM SIGNAL LINE
:FM OSC SIGNAL LINE
:AM SIGNAL LINE
:AM OSC SIGNAL LINE
F
522kHz
1629kHz
1V
5.1V
V
F
87.5MHz
108MHz
9.8V
V
2.7V
[ AM ]
[ FM ]
2.6V
2.9V
0.9V
0.9V
5.2V
2.5V
0V
4.1V
2.6V
0V
0V
0V
1.2V
3.7V
3.7V
0V
0V
ST-HD501V
12
1
3
2
CN102B
C
B
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
FM
IF
IN
AM
MIX
OUT
REG
AM
IF
IN
GND
SD
ST
FM
DET
Vcc
STRQ
FM/AM
MONO
OSC
OUT
OSC
AFC
AM
RF
IN
AGC
AM
OUT
DET
OUT
PILOT
IN
MPX
IN
PILOT
OUT
Rch
Lch
Z102
1
2
3
4
6
1
2
3
10K
10K
B A
D
F
C E
R127
470
C122
50V1
R122
2.7K
C121
50V0.47
C123
50V1
R131
68
C149
0.1
C147
1000P
R125
470
R126
1.5K
C148
0.01
R124
270
X102
A
B
C106
0.01
C126
0.047
C127
16V22
C129
6.3V100
R1
19
10K
C1
17
0.018
C141
50V1
R141
1K
R145
100K
C143
4700P
B
A
C144
4700P
R146
100K
R142
1K
C142
50V1
C1
18
0.018
C137
4700P
C131
100P
R123
68K
C138
0.01
C120
16V10
R121
22K
C139
4700P
R102
4.7K
C1
19
390P
C1
16
0.033
R143
22K
C1
15
25V4.7
R120
47K
C109
1000P
C1
14
50V3.3
R1
18
3.3K
A
D
B
C
R104
10K
C103
0.01
R109
330
C104
1000P
R105
470
CF201
R106
470K
1
3
2
CF202
IC101
LA1833MN TLM
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
Q106
UN4111TA
POWER SUPPLY
(FM:ON)
CN101B
1
2
3
4
5
6
7
+B(2)
SD
STEYE
VT
+B(1)
T
.GND
A
B
CL
DO
DI
Lch
OUT
CE
Rch
OUT
B
A
D
A
1
2
3
4
5
6
7
DET
NC
To
CONNECTOR CIRCUIT (CN101A)
on SCHEMATIC DIAGRAM 6
E
To
CONNECTOR CIRCUIT (CN102A)
on SCHEMATIC DIAGRAM 6
E
R140
4.7K
Q110
2SC3311ARSTA
SWITCHING
R139
3.3K
SCHEMATIC DIAGRAM 4
Q102
2SC2787LTA
FM IF AMP
Q101
2SC2787LTA
FM IF AMP
R108
470K
C105
1000P
R107
330
FM
0.12V
P P
(0V)
0.7V
(0V)
12V
(0V)
14.7V
0V
(14.8V)
14.8V
(4.2V)
3.7V
2.4V
2.4V
1.2V
2.1V
2.1V
2.1V
1.9V
1.9V
(5.7V)
5.2V
(2.1V)
0V
(0.3V)
2.7V
2.1V
5.2V
(5.7V)
2.1V
2.1V
0V
0V
0V
(4.7V)
3.4V
(4.1V)
5.2V
(5.7V)
3.7V
(1.1V)
4.2V
(3.5V)
14.8V
7.3V
FM
LINE
+B
:POSITIVE VOLTAGE LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
:AM OSC SIGNAL LINE
7.3V
1.6V
3V
(1.9V)
(1V)
(0V)
0.7V
(0V)
12V
ST-HD501V
13
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