Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-PM28 Viewing SGML_VIEW_DATA ALL SA-PM28E SVC sch3_4
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SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE : AM SIGNAL LINE
MAIN (TUNER) CIRCUIT : FM OSC SIGNAL LINE : FM SIGNAL LINE : AM OSC SIGNAL LINE
Z120 ENV17290G1Y
22 C103
0.01 R107
2SK238 2SC2620 CF201 330
22P 15P 8P 10K J0B1075A0086 R106
HVM27 HVM27 IFT 470K
1
FM EXT ANT 7 1 3
1P C104
1uH
0.47uH
1000P
2 100K 7P 4P 22P 1P
UNBALANCED R105
220P
75 OHM 2
33K
33K
1.5M 470
33K
18P
8P Q101
3
100uF
0.022 16V 0.022
4 0.022 6 R103
16V10
0.022
C102
100 330 150 C101 100
220
0.01
10K
470K
2SK360 Q101
330
5
8P 15P 2SC2058SPTA
2.7K 8P 8 SWITCHING
HVM27 2SC2996 2P
JK101
1.2K
10K
3P 100K 18P 2SC2996
47P
L101
3 RLQBR39KT-1Y
C136 C114
Z101 1000P 50V3.3
AM LOOP
ANT L102 RLA2Z007-T
RLQBR39KT-1Y 3
4
AM ANT COIL
3 R118 R119
2 3 4 4 3.3K 12K
AM EXT
ANT 2 5 2
5
1 1 6 1 6
AM OSC COIL
9 8 7
R110
1K C127 C126
16V22 10
C107 R112 C108
0.047 100K 8P
R117
68K
D101
UDZSTE175R1B
R111
390
R128
6.3V100
82
1000P
C132
D101
C130
C125 R113
16V22 10K
R114 C111 R129
5.6K 50V4.7 27K
R115 R116 C124
C112 560 1K R151 C113 100P
0.01 82 1000P
C133
27P
C110
0.01 13
20 19 18 17 16 15 14 12 11
PD
AOUT
VDD
FMIN
MONO
VSS
AIN
AMIN
IFIN
Xout
H0H720400005
R152
X103
0
IC102
STRQ
SDC
AM
DO
FM
Xin
LW
CE
CL
DI
C134 1 2 3 4 5 6 7 8 9 10
27P
R138 3.3K
R130 10K
IC102
R137 R136 R135 R134
1K 1K 1K 470 LC72131MDTRM
PLL IC (TUNER)
PLLCLK
PLLDA
DO/ST
CE
SCHEMATIC DIAGRAM - 4
: AM SIGNAL LINE : AM OSC SIGNAL LINE
MAIN (TUNER) CIRCUIT : +B SIGNAL LINE : FM SIGNAL LINE : FM/AM SIGNAL LINE
R104
10K
Q110
R109
C105 R108
330 CF202 2SC3311ARTA
J0B1075A0077 SWITCH +7.5V
1000P 470K
1 3
R139
22K
Q110
2 DET_OUT
Q102 R121
22K
R140
C120 22K Q106
16V10
Q102
2SC2058SPTA R143 C138
Q106
SWITCHING 22K 0.01
KRA102MTA
TUNER SUPPLY
SWITCH
560P
C119
C139 C142
100P
50V4.7 C118 C117 R142
50V4.7
50V1
C115
R120 0.01 0.01 6.8K
47K R123
C116
3300P
68K
C137
C131
0.033 R102 C141 R141
4.7K 50V1 6.8K
1000P
C109
24 23 22 21 20 19 18 17 16 15 14 13
6800P
6800P
C143
C144
R145
R146
AM OUT
MPX IN
OSC OUT
100K
DET OUT
100K
PILOT OUT
Rch
OSC
AFC
PILOT IN
Lch
AGC
AM RF in
IC101
IC101 LA1833NMNTLM
AM MIX out
IF & MPX IC
FM DET
AM IF in
FM IF in
FM/AM
(TUNER)
STRQ
Mono
GND
REG
VCC
SD
ST
1 2 3 4 5 6 7 8 9 10 11 12
R124
C106
50V0.47
Z102 33
0.01 C122
50V1
RLFDFT22DD
RLI2Z021M-T 50V1
3
X102
2 4
C123
C121
1 R122 RCH
2.7K
A (1B)
6 5 R131 CE
68 +7.5V B
LCH C
C148
0.01
C129 C147 C149 PLLDA
1000P D
6.3V100 0.1
DO/ST
E TO
PLLCLK
F MAIN CIRCUIT
TGND
(1A) ON
G SCHEMATIC
15V
H
DIAGRAM - 5
R126 R125 R127
1K 470 470 DO/ST
I
SD J
7.5V
K
DET_OUT
L
R132 R133
10K 1K
DO/ST
SD
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