3
DETAILED CIRCUIT EXPLANATIONS
1. THE POWER AMPLIFYING BOARD
MAIN PARTS LIST OF THE MAIN POWER AMPLIFYING BOARD
NO
LOCATION SPECIFICATIONS
DESCRIPTION
SPECIFICATIONS / PA RT NUMBER
1
R405
Carbon-film Resistor
1/6W680
¦ ¸
±5% SHAPED 7.5
2
R406~R412,R451,R455,R470
Carbon-film Resistor
1/6W1.5K±5% SHAPED 7.5
3
R415,R419,R421,R424,R425,R428
Carbon-film Resistor
1/6W4.7K±5% SHAPED 7.5
4
R404,R434,R437,R440,R443,R466
Carbon-film Resistor
1/6W10K±5% SHAPED 7.5
5
R435,R438
Carbon-film Resistor
1/6W12K ±5% SHAPED 7.5
6
R450,R458,R452,R454,R456,R416,R418,
R422,R423,
R426,R427,R441,R444,R459,R465
Carbon-film Resistor
1/6W22K±5% SHAPED 7.5
7
R446,R467
Carbon-film Resistor
1/6W47K±5% SHAPED 7.5
8
R432,R433,R439,R442,R447,R448,R464,
R445,R436
Carbon-film Resistor
1/6W100K±5% SHAPED 7.5
9
R417,R420,R429~R431
Carbon-film Resistor
1/6W150K±5% SHAPED 7.5
10 R413,R414,R453,R457,R463
Carbon-film Resistor
1/4W10
¦ ¸
±5% SHAPED 10
11 R462
Carbon-film Resistor
1/6W2.2
¦ ¸
±5% SHAPED 7.5
12 R401,R402
Carbon-film Resistor
1/2W220
¦ ¸
±5% SHAPED 12.5
13 R449
Carbon-film Resistor
1/6W220
¦ ¸
±5% SHAPED 7.5
15 R460
Carbon-film Resistor
1/6W47
¦ ¸
±5% SHAPED 7.5
16 R403
Carbon-film Resistor
1/4W180
¦ ¸
±5% SHAPED 10
17 R461
Carbon-film Resistor
1W220
¦ ¸
±5
£ ¥
18 C459
Porcelain Capaci tor
50V 33P ±10% NPO 2.5mm
19 C462,C428,C430,C460,C461
Porcelain Capaci tor
50V 151 ±10% 2.5mm
20 C417,C418
Porcelain Capaci tor
50V 20P ±10% NPO 2.5mm
21
C405,C406,C409,C410,C413,C416,C456,
C458
Porcelain Capaci tor
50V 104 ±10% 5mm
22 C424,C436
Terylene Capacitor
100V 103 ±10% 3.5mm
23 C440,C442,C445
Terylene Capacitor
100V 104 ±10% 7mm
24 C401,C402
Terylene Capacitor
100V 224 ±10% 8mm
25 C425,C437
Terylene Capacitor
100V 182 ±5% 3.5mm
26 C447~C450
Metal Polyester Film
Capacitor
CL21X 100V224±10% 7.5
27 C415,C432,C457
CD
CD11 16V10U±20%5×11 2
28 C414,C451
CD
CD11 16V47U±20%5×11 2
29 C412
CD
CD11 16V220U±20%6×12 2.5
30 C407,C408,C444
CD
CD11 16V470U±20%8×123.5
31 C439,C441
CD
CD11 25V22U±20%5×11 2
32
C419~C423,C426,C427,C429,C431,C433,
C434,C435,C438,C443
CD
CD11 50V2.2U±20%5×11 2
33 C403,C404,C411
CD
CD11 25V4700U±20%16×35 7.5
34 C446,C452~C455
CD
CD11 25V220U±20%8×12 3.5
35 VD412,VD413
Diode
1N4004
36 VD401~VD406
Diode
RL254
37 VD411
Voltag e Regul ator Di ode 5.1V 1/2W
38 VD409,VD410
Voltag e Regul ator Di ode 12V 1/2W
39 N402
Software Program CPU ,
AT89C2051 DIP
CPUHT60(EN)-0
40 N404~N406
IC
4558C DIP
SP550S SERVICE MANUAL
