JVC UX-A52 Service Manual page 35

2. Pin function (2/2)
Pin
Symbol I/O
No.
-
P10/AN10
33
-
AVREF
34
-
AVDD
35
I
/RESET
36
-
XT2
37
-
XT1
38
O
IC
39
-
X2
40
-
X1
41
-
VSS1
42
I
FLAG
43
I
BLKCK
44
I
45 /RFDET
O
46 EQx2
O
47 EQx4
-
48 VCOx4
I
49 OPEN
I
50 /CLOSE
O
51 IREFx4
-
52 P75/BUZ
O
53 /RESET
I
54 STAT
O
55 /DMUTE
O
56 /P.ON
O
57 MLD
O
58 MDATA
O
59 MCLK
-
60 CLKSW
-
61 JIG
-
62 JIG
-
63 JIG
-
64 JIG
Function
Connected to GND
Analog circuit reference voltage. Connected with analog circuit power supply
Analog circuit power supply
CD control reset input from IC801
Not used
Connected with power supply
Flash memory control
Connected with external crystal oscillator
Connected with external crystal oscillator
GND
Flag signal input from IC651
Sub-code block clock signal input from IC651
RF signal amplitude detection input
2 equalizer switch output
4 equalizer switch output
Not used
Open door detection
Closed door detection
4 DSP current switch output
Not used
Reset signal output to IC651 (L: Reset)
Status signal input from IC651
Muting output to IC651
Power on/off switch signal output to IC291
Microcomputer command load signal output to IC651
Microcomputer command data output to IC651
Microcomputer command clock signal output to IC651
Not used
Not used
Not used
Not used
Connected to GND
UX-A52
1-35