Sony MEX-BT2500 Servis Kılavuzu - Sayfa 36

Stereo sistemi Sony MEX-BT2500 için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Sony MEX-BT2500 48 sayfaları. Bluetooth audio system
Ayrıca Sony MEX-BT2500 için: Kurulum/Bağlantılar (2 sayfalar), Hızlı Kılavuz (2 sayfalar), Hızlı Kılavuz (2 sayfalar), Hızlı Kılavuz (2 sayfalar), Kurulum/Bağlantılar (2 sayfalar)

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Sony MEX-BT2500 Servis Kılavuzu
MEX-BT2500
• IC Pin Function Description
MAIN BOARD IC501 MB90F045PF-G-9044-SPE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
AREASEL0 to
1 to 3
AREASEL2
4
B-OUT SEL
5
BEEP
6
NCO
7
DIAG
8
AMPSTB
9
VOLATT
10
NCO
11
VSS
12
TUATT
13
NSMASK
14
ILLUMI_SEL
15 to 22
NCO
23
VCC5
24
EEP_SIO
25
EEP_CKO
26
RDS_ON
27
LCD_CE
28
LCD_SO
29
LCD_CKO
30
NCO
31, 32
RE-IN0, RE-IN1
33
I2C_SCK
34
I2C_SIO
35
DAVDD
36
AVRH
37
DAVSS
38
QUALITY
39
VSM
KEYIN1,
40, 41
KEYIN0
42
VSS
43 to 46
NCO
47
BT_INT-HF
48
AD_ON
49 to 51
MD0 to MD2
52
KEY ACK
53
TUATTIN
54
BUIN
55
NCO
56
DAVN
57
NCO
36
I/O
I
Model destination signal input terminal
I
Blackout setting terminal "H": blackout effective
O
Beep sound drive signal output to the power amplifier
-
Not used
I
Diagnostic signal input from the power amplifier
O
Standby control signal output to the power amplifier
O
Muting on/off control signal output to the electrical volume "H": muting on
-
Not used
-
Ground terminal
O
Tuner muting on/off control signal output terminal
Discharge control signal output for the noise detection circuit
O
"H": discharge (AEP, UK models only)
I
Illumination voltage setting terminal "L": 10.4V, "H": 12.5V Fixed at "L" in this set
-
Not used
-
Power supply terminal (+3.3V)
I/O
Two-way data bus with the tuner unit
O
Serial data transfer clock signal output to the tuner unit
O
Power on/off control signal output terminal for the RDS section (AEP, UK models only)
O
Chip enable signal output to the liquid crystal display driver
O
Serial data output to the liquid crystal display driver
O
Serial data transfer clock signal output to the liquid crystal display driver
-
Not used
I
Jog dial pulse input from the rotary encoder
O
IIC data transfer clock signal output terminal
I/O
IIC two-way data bus
-
Power supply terminal (+3.3V)
I
Reference voltage (+3.3V) input terminal (for A/D conversion)
-
Ground terminal
I
Noise level detection signal input at SEEK mode
I
FM and AM signal-meter voltage detection signal input from the tuner unit (A/D input)
I
Front panel key input terminal (A/D input)
-
Ground terminal
-
Not used
I
HF operation notification signal input from the bluetooth section "H": active
A/D converter power control signal output
O
When the KEYACK (pin 52) that controls reference voltage power for key A/D conversion input
is active, "L" is output from this terminal to enable the input
I
Setting terminal for the CPU operational mode
Acknowledge signal (wake up signal) input terminal for the key entry Acknowledge signal is
I
input to accept any function key in the standby status On at input of "H"
I
Attenuate request signal input from the tuner unit
I
Back up power supply detection signal input terminal "L" is input at low voltage
-
Not used
I
Synchronize detection signal input of RDS data block (AEP, UK models only)
-
Not used
Description