Panasonic SA-AK500P, Руководство по обслуживанию

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TUNER/MAIN CIRCUIT
SCHEMATIC DIAGRAM - 3
C147
1000P
JK101
Z101
RLA2Z007-T
IC102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
IC101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
CF201
RLFFETWND01M
L102
RLQB1R0KTD-D
X103
RSXC7M20S05T
D101
UDZSTE175R1B
Q106
Q106
KRA102MTA
TUNER 15V
SUPPLY SWITCH
R134
470
R135
1K
R136
1K
R137
1K
Q101
Q101
2SC2058SPTA
FM IF AMP
+7.5V
SD
DO/ST
15V
TGND
PLLCLK
DO/ST
PLLDA_2
LCH
CE
RCH
DO/ST CE
PLLDA_2 PLLCLK
DO/ST SD
C103
0.01
C104
1000P
R104
1K
R106
470K
R107
330
R101
0
R105
470
CF202
RLFFETWND01M
C101
0.01
C102
16V10
R103
270
TUNER PACK Z120 (RAL0029)
C107
0.047
R110
1K
R112
100K
C108
8P
C136
1000P
R114
5.6K
R152
0
C110
0.01
TO
MAIN
CIRCUIT
(2B) ON
SCHEMATIC
DIAGRAM-4
R138
3.3K
R130
10K
C134
27P
C133
27P
C112
0.01
R115
560
R116
1K
C111
50V4.7
R113
10K
C125
16V22
C132
1000P
C130
6.3V100
R151
82
C1
13
1000P
R119
3.3K
R111
390
R128
82
R117
47K
R118
3.3K
C127
16V22
Z102
RLI2Z021M-T
C126
16V10
C106
0.01
C114
50V3.3
C109
1000P
C1
15
50V4.7
C1
16
0.033
R120
47K
R143
22K
C138
0.01
R123
68K
C120
16V10
R121
22K
R102
4.7K
C139
50V4.7
C119
680P
C131
150P C137
3300P
C118
0.01
C117
0.01
C142
50V1
R142
6.8K
C141
50V1
R141
6.8K
R126
1K
R125
470
R129
27K
R127
470
C124
100P
R132
10K
C148
0.01
R124
33
X102
RLFDFT22DD
C122 50V1
R122
2.7K
C121
50V0.47
R131
120
R144
120
R133
1K
C129
6.3V100
C149
0.1
C123
50V1
R145
100K
C143
6800P
C144
6800P
R146
100K
TO
MAIN
CIRCUIT
(2A) ON
SCHEMATIC
DIAGRAM-4
1A
1B
<2.08V> ((2.09V))
<6.1V>
((6.27V))
<2.08V> ((2.07V)) <2.06V>
((2.08V))
<0V>
((0V))
<5.15V> ((4.22V)) <5.15V>
((5V))
<3.97V>
((4.13V))
<6.1V>
((6.17V))
<0.02V> ((3.68V)) <5.01V> ((5.19V)) <3.66V> ((3.76V))
<1.69V>
((1.78V))
<1.7V> ((1.76V)) <2V> ((2.02V)) <2.07V> ((2.08V)) <2.06V> ((2.07V)) <2.39V> ((2.36V)) <2.02V> ((2.02V)) <0.16V> ((0.25V)) <2.42V> ((2.46V)) <2.42V> ((2.46V)) <6.1
1V>
((6.27V)) <4.68V> ((4.85V))
<2.6V>
((2.61V))
<2.59V> ((2.6V))
<0.55V> ((0.77V)) <0.02V> ((0.23V)) <0.02V> ((4.75V)) <5.15V> ((5.03V)) <5.01V> ((5.19V))
<0V>
((0V))
<4.66V> ((4.83V)) <0.02V>
((4.43V))
<0.05V>
((12.31V))
<0V> ((0V)) <0V> ((0V)) <0V> ((2.59V)) <2.58V> ((0V)) <5.15V> ((5.16V)) <0.81V> ((0V)) <0.81V> ((0V)) <5.64V> ((12.33V)) <0V> ((0V))
1
2
3
4
8
7
1
3
4
2
5
6
100K
5.6P
0.001
100K
390
1.2u
2.2P
180P
820K
3.3P
10P
0.001
0.47u
100K
2.7K
220
390
2.2P
4.7P
560K
390
680K
2.2P
10P
2SK544
RF AMP
2SC2786M
FM MIXER
2SC1675L1L2
BUFFER AMP
LOCAL OSC
D
S
G
3
2
1
5 6
4
1
2
3
4
5
6
7
8
9
AM ANT COIL
AM OSC COIL
2
1 3
STRQ SDC L
W
AIN
PD
AOUT
VDD
FMIN AMIN
IFIN
MONO
FM AM CE DI CL DO
VSS
XOUT
XIN
1 2 3 4
17 18 19 20
5
16
6
15
7
14
8
13
9
12
10
11
IC101
PILOT OUT
MPX IN
PILOT IN
DET OUT
ST
AM OUT
RCH
LCH
MONO FM/AM
OSC
AFC
AM RF IN
AGC
AM MIX OUT
REG AM IF IN GND SD FM DET VCC STRQ
OSC OUT
FM IF IN
1 2 3 4
21 22 23 24
5
20
6
19
7
18
8
17
9
16
10
15
11
14
12
13
AM LOOP ANT
AM EXT
ANT
75 OHM
FM EXT
ANT
GND
2
1 3
: +B SIGNAL LINE
: FM/AM SIGNAL LINE
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
<2.91V>
((0.02V))
<0.02V>
((0.02V))
<0.02V>
((0.02V))
<13.6V>
((0.02V)) <13.64V>
((13.75V))
<0.07V>
((13.72V))