C1
15
50V4.7
C121 50V0.47
C122
50V1
C123 50V1
C129
6.3V100
C141
50V1
C120
16V10
C142
50V1
R131
68
R124
33
R125
470
R126
1K
R120
47K
R104
10K
R127
470
R142
6.8K
R132
10K
R102
4.7K
R121
22K
R141
6.8K
R145
100K
R146
100K
R123
68K
R133
1K
R143
22K
R122
2.7K
X102
RLFDFT
22DD
Z102
RLI2Z021M-T
2
1
3
Q106
KRA102MTA
TUNER SUPPLY
SWITCH
C149
0.1
C106
0.01
C109
1000P
C148
0.01
C138
0.01
C147
1000P
C143
6800P
C144
6800P
C116
0.033
C139
50V4.7
C137
3300P
C118
0.01
C117
0.01
C1
19
PLLCLK
DO/ST
PLLDA
CE
SD
DO/ST
LCH
15V
RCH
1
2
3
4
5
6
Q106
SD
SCHEMATIC DIAGRAM - 4
: +B SIGNAL LINE
: AM SIGNAL LINE
: FM SIGNAL LINE
: FM/AM SIGNAL LINE
TO
MAIN CIRCUIT
(1A) ON
SCHEMATIC
DIAGRAM - 5
A
B
(1B)
TGND
R108
470K
MAIN (TUNER) CIRCUIT
CF202
J0B1075A0077
560P
: AM OSC SIGNAL LINE
DO/ST
C
D
E
F
G
H
I
J
Q102
Q102
2SC2058SPTA
SWITCHING
R109
330
Q110
Q110
2SC3311ARTA
SWITCH
R139
22K
R140
22K
+7.5V
DET_OUT
7.5V
+7.5V
K
L
DET_OUT
FM IF in
OSC
OUT
STRQ
V
CC
FM DET
SD
GND
AM IF in
REG
AM MIX out
AGC
AM
RF
in
AFC
OSC
FM/AM
Mono
Lch
Rch
AM OUT
ST
DET OUT
PILOT
IN
MPX IN
PILOT
OUT
IC101
C131 100P
1
13
14
15
16
17
21
20
19
18
24
23
22
10
9
11
12
8
7
6
5
3
4
2
Summary of Contents for SA-PM28E
Page 5: ...4 Caution for AC Main Lead 5 Front Panel Controls 5 ...
Page 6: ...6 ...
Page 11: ...Step 1 Remove all the screws Step 2 Remove side panel Checking for Main P C B 11 ...
Page 14: ...Step 2 Release 2 claws Disconnect CN505 CN506 Step 3 Remove 2 screws 14 ...
Page 21: ...21 ...
Page 23: ...23 ...
Page 24: ...8 5 Procedure for Replacing Parts on Mechanism PCB Follow the Step 1 Step 4 of Item 8 1 1 24 ...
Page 27: ...27 ...
Page 28: ...28 ...
Page 29: ...29 ...
Page 33: ...33 ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 36: ...8 10 3 Replacement for the traverse deck Follow the Step 1 Step 10 of item 8 10 2 36 ...
Page 37: ...37 ...
Page 39: ...39 ...
Page 40: ...40 ...
Page 41: ...41 ...
Page 42: ...42 ...
Page 43: ...43 ...
Page 45: ...45 ...
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Page 50: ...50 ...
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Page 60: ...60 ...
Page 61: ...61 ...
Page 62: ...62 ...
Page 63: ...63 ...
Page 64: ...64 ...
Page 65: ...65 ...
Page 66: ...66 ...
Page 67: ...8 12 Disassembly for traverse mechanism Follow the Step 1 Step 14 of Item 8 1 67 ...
Page 69: ...69 ...
Page 83: ...83 ...
Page 98: ...20 1 2 Deck Mechanism Parts List 98 ...
Page 100: ...100 ...
Page 101: ...101 ...
Page 102: ...102 ...
Page 103: ...20 2 2 CD Loading Mechanism Parts List 103 ...
Page 106: ...106 ...
Page 107: ...20 3 2 Cabinet CD Loading Mechanism Parts List 107 ...
Page 134: ...PRT0304 D E J N S A 134 ...