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1-31
MX-GA77
3. Pin function (2/2)
I/O
I/O
I/O
I
I
I/O
I
O
Pin name
• Output for VFD display controller segment
• Other functions
High voltage input port: PE0 to PE7
• Output for VFD display controller segment
• Other functions:
High voltage input/output port: PF0 to PF7
• Output for VFD display controller segment
• Other functions:
High voltage input/output port: PG0 to PG3
Reset terminal
• Input for 32.768kHz crystal oscillation
• Other functions:
General purpose input port
When not in use, connect to VDD1.
AD input port: AN10
• Output for 32.768kHz crystal oscillation
• Other functions:
General purpose input port
When not in use, set to oscillation mode and leave open circuit.
AD input port: AN11
Input terminal for ceramic oscillator
Output terminal for ceramic oscillator
Function
I/O
S32 to S39
S40 to S47
S48 to S51
RES
XT1
XT2
CF1
CF2
KA9258D (IC301) : 4-ch Motor driver
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
GND
GND
10K
REGULATOR
10K
10K
VCC
VCC
10K
10K
T • S • D
10K
10K
10K
50K
MUTE
+
-
LEVEL SHIFT
-
+
LEVEL SHIFT
1.Block diagram
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 ...