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MX-GA77
STK403-070 (FIC01) : Power amp.
2.Block diagram
1.Pin layout
14
Bias Circuit
Pre Driver IC
CH1
13
TR5
TR2
TR1
TR4
TR3
TR6
R6
R5
R8
R7
R3
R4
R1
C1
SUB
C2
R2
3
4
8
9
6
12
5
10
1
11
2
7
Pre Driver IC
CH2
4
1
+Vcc
12
ST-BY
7
+TRE
8
SUB
9
GND
-Vcc
2
Ch1
out
3
Ch1
out
5
Ch2
out
10
Ch1
IN
11
Ch1
NF
13
Ch2
NF
14
Ch2
IN
6
Ch2
out
STK412-020 (WIC01) : Power amp.
1.Block diagram
1
3
13
10
12
14
TR1
TR3
TR5
TR7
TR17
TR8
TR9
TR19
TR18
TR20
TR10
TR4
TR2
TR12
TR6
TR16
D2
D12
D1
C2
C12
C1
R1
TR11
TR13
TR14
C11
R11
R4
R14
R5
R51
D51
D41
R41
Comaprator
Comaprator
SUB
TR41
D43
D42
D52
D53
R15
R6
R16
R7
R17
R2
TR15
TR51
R12
R3
R13
15
16
9
11
8
18 17
5
4
6
2
7
Содержание MX-GA77
Страница 25: ...1 25 MX GA77 Troubleshooting 1 Amplifier Power malfunction No output ...
Страница 26: ...MX GA77 1 26 2 Tuner malfunction FM AM 3 Tape ...
Страница 27: ...1 27 MX GA77 4 CD ...
Страница 28: ...MX GA77 1 28 5 CD MP3 parts ...
Страница 43: ...1 43 MX GA77 M E M O ...
Страница 50: ...MX GA77 2 4 A B C D 1 2 3 4 5 To CW101 Sheet 1 5 MX GA77 fornt FL display System control section UCW03 UCW05 ...
Страница 51: ...2 5 MA GA77 E F G SHEET 2 5 To CW105 Sheet 4 5 UCW04 UCW02 ...
Страница 52: ...MX GA77 2 6 A B C D 1 2 3 4 5 Amp section To CW106 Sheet 1 5 To CW105 Sheet 1 5 MX GA77 JUS amp ...
Страница 54: ...MX GA77 2 8 A B C D 1 2 3 4 5 CD section To Switc To CW2 Sensor board ...
Страница 55: ...2 9 MA GA77 E F G SHEET 4 5 CD signal To CW104 SHEET 1 5 To UCW04 SHEET 2 5 To CW3 Switch board ...
Страница 56: ...MX GA77 2 10 A B C D 1 2 3 4 5 Tuner section To CW103 SHEET 1 5 ...
Страница 57: ...2 11 MA GA77 E F G FM TUNER signal AM signal SHEET 5 5 ...
Страница 58: ...MX GA77 2 12 A B C D 1 2 3 4 5 Main board M Printed circuit boards ...
Страница 59: ...2 13 MA GA77 E F G Main board ...
Страница 60: ...MX GA77 2 14 A B C D 1 2 3 4 5 CD switch boa Front board Front board ...
Страница 61: ...2 15 MA GA77 E F G h board oard ...
Страница 62: ...MX GA77 2 16 A B C D 1 2 3 4 5 Amp board ...
Страница 63: ...2 17 MA GA77 E F G ...
Страница 64: ...MX GA77 2 18 A B C D 1 2 3 4 5 CD servo board ...
Страница 65: ...2 19 MA GA77 E F G Fuse board Trans board Power supply board ...
Страница 87: ...MX GA77 3 21 M E M O ...