PANASONIC SA-PM17, SA-PM27 Schematics
SCHEMATIC DIAGRAM-5
FM EXT ANT
UNBALANCED
75 OHM
JK101
AM LOOP
ANT
AM EXT
ANT
MAIN (TUNER) CIRCUIT
TUNER PACK CIRCUIT
Z120
ENV17290G1Y
1
2
3
4
5
L101
1.0µH
3
L102
1.0µH
4
2.7K
R110
1K
5.6P
100K
RLA2Z007-T
AM ANT COIL
3
2
2
1
1
Z101
C107
0.047
100K
2SK544
RF AMP
2.2P
4
5
6
: +B SIGNAL LINE
: FM OSC SIGNAL LINE
2SC2786M
390
3.3P
FM MIXER
10P
2SC1675L1L2
BUFFER AMP
LOCAL OSC
2.2P
C136
1000P
2.2P
1.2u
100K
180P
4
5
6
820K
560K
0.001
220
4.7P
3
3
2
1
AM OSC COIL
8
7
9
C108
R112
8P
100K
: AM SIGNAL LINE
: FM SIGNAL LINE
0.47u
390
0.001
390
10P
680K
7
6
8
: AM OSC SIGNAL LINE
C103
0.01
CF201
J0B1075A0086 (GD)
J0B1075A0061 (GN)
3
C101
0.01
1
2
C102
16V10
C104
1000P
R105
470
R103
100 (GD)
270 (GN)
R118
3.3K
C127
16V22
((0.05V))
R107
330
R106
R101
470K
0
((0.06V))
Q101
((0.06V))
Q101
2SC2058SPTA
SWITCHING
C114
50V3.3
R119
12K (GD)
33.3K (GN)
C126
10
C110
0.01
R114
5.6K
R152
R117
68K (GD)
47K (GN)
R111
390
R128
R113
C125
10K
16V22
C112
0.01
C133
27P
0
X103
C134
27P
R138 3.3K
R130 10K
H0H720400005
(2.61V)
<2.611V>
20 19
Xout
Xin
(2.586V)
<2.6V>
R137
1K
((2.638V))
VSS
CE
21
((2.614))
CE
(0.02V)
<0.028V>
(0.559V)
<0.558V>
R136
1K
C111
50V4.7
R115
((0.05V))
(1.272V)
18
AOUT
DI
3
(0.038V)
((0.586V))
R135
PLLDA
560
<8.19V>
((14.57V))
<0.038V>
((0.042V))
1K
D101
17
AIN
CL
4
PLLCLK
C132
R116
1K
(0.972V)
<0.815V>
(0.039V)
<0.04V>
R134
470
1000P
((0.05V))
16
PD
IC102
DO
((4.68V))
/ST
DO
C130
(0.972V)
<0.815V>
(5.18V)
<5.18V>
6.3V100
((0.05V))
15
VDD
AM
65
((5.09V))
R151
82
(5.19V)
<5.19V>
(0.185V)
<4.37V>
((5.22V))
14
FMIN
LW
7
((4.53V))
(0.021V)
(0.023V)
82
C113
1000P
(0.03V)
<0.037V>
((0.055V))
(2.483V)
<0.032V>
((2.599V))
<2.545V>
((0.051V))
13
AMIN
SDC
8
(4.37V)
<0.031V>
((0.05V))
LC72131MDTRM
PLL IC (TUNER)
12
<4.02V>
((4.18V))
IC102
MONO
STRQ
9
(0.043V)
<0.052V>
11
IFIN
FM
10
(14.55V)
<0.09V>
((14.55V))
((4.47V))
(0.021V)
R129
27K
C124
100P
<0.032V>
((0.055V))
SCHEMATIC DIAGRAM-6
R108
C105
470K
1000P
Q102
2SC2058SPTA
SWITCHING
FOR GD ONLY
C109
1000P
2
1
MAIN (TUNER) CIRCUIT
R104
10K (GD)
1K (GN)
R109
330
Q102
(4.42V)
<4.07V>
((4.23V))
24
OSC OUT
FM IF in
1
(2.073V)
<2.073V>
Z102
RLI2Z021M-T
J0B1075A0077 (GD)
J0B1075A0061 (GN)
(5.83V)
<5.48V>
((5.64V))
23
OSC
AM MIX out
2
(5.81V)
<5.46V>
((5.62V))
((2.111V))
3
6
22
3
1
(2.072V)
AFC
REG
(2.079V)
C106
0.01
5
CF202
2
R120
47K
<2.488V>
((2.517V))
21
4
<2.089V>
((2.117V))
4
C129
6.3V100
3
(2.071V)
<2.484V>
AM RF in
AM IF in
(2.066V)
<2.076V>
(0.758V)
((2.517V))
20
AGC
GND
5
(0.02V)
((2.105V))
C119
560P (GD)
680P (GN)
C115
C116
50V4.7
0.033
<0.212V>
((0.298V))
19
AM OUT
IC101
SD
6
<0.027V>
((0.05V))
R126
C119
(1.26V)
<0.002V>
(5.22V)
<5.21V>
1K
C139
50V4.7
560P
R102
4.7K
(2.34V)
((0.001V))
18
DET OUT
ST
7
((5.19V))
(5.19V)
0.01
C148
R125
470
R143
<2.357V>
((2.395V))
17
8
<5.18>
((5.07V))
C147
1000P
22K
(2.071V)
<2.08V>
PILOT IN
FM DET
(4.3V)
<3.34V>
R124
33
X102
R121
22K
C120
16V10
C138
C131
100P (GD)
150P (GN)
R123
(2.08V)
((2.109V))
16
MPX IN
CC
V
9
(4.3V)
((3.5V))
22DD
RLFDFT
C149
0.01
68K
<2.09V>
<3.35V>
0.1
((2.118V))
15
PILOT OUT
STRQ
10
((3.51V))
(2.017V)
<2.026V>
(0.041V)
<0.049V>
R127
470
: +B SIGNAL LINE
C117
C118
0.01
0.01
C137
3300P
((2.054V))
(1.654V)
<1.647V>
((1.683V))
(1.666V)
<1.665V>
((1.699V))
14
13
Lch
Rch
LA1833NMNTLM
Mono
FM/AM
12
11
(4.07V)
<3.245V>
((3.12V))
(1.123V)
<4.39V>
((4.56V))
((3.7V))
C122
50V1
R122
2.7K
C123 50V1
C121 50V0.47
C142
50V1
C141
50V1
IC101
IF & MPX IC
(TUNER)
: AM SIGNAL LINE
: FM SIGNAL LINE
Q106
((14.52V))
((14.56V))
100K
R145
((0.6V))
R142
6.8K
R141
6.8K
Q106
KRA102MTA
TUNER SUPPLY
SWITCH
C143
100K
R146
4700P
R131
68
: AM OSC SIGNAL LINE
: FM/AM SIGNAL LINE
C144
4700P
RCH
CE
LCH
PLLDA
DO/ST
PLLCLK
TGND
15V
DO/ST
SD
7.5V
A
B
C
D
TO
E
MAIN CIRCUIT
F
(1A) ON
SCHEMATIC
G
DIAGRAM-3
H
I
J
K
(1B)
R132
10K
SD
DO/ST
R133
1K
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