JVC UX-G6 Service Manual page 33

UX-G6/FS-G6
UPD784214AFG501 (IC501) : Sysem controller
1.Pin layout
80 ~ 51
81
100
1 ~ 30
2. Pin function
Pin
Symbol I/O
No.
1 PERIODO Tuner PLL control output
O
2 MPX I Stereo indicator signal input
3 TCLOCK Tuner PLL control output
O
4 TDATA I/O Tuner PLL control
5 NC
-
6 RDS DATA RDS Data input
I
7,8 NC - Non connect
9 VDD Power supply terminal
-
10 fout O fx/n Output
11 BAND0
I
12 BAND1
13 BAND2
14 SDA Electric volume control data output
O
15 SCL I/O Electric volume control (clock)
16 NC Non connect
-
17 DATA I Data input from source selector
18 CLOCK Clock input from source selector
I
19 STB I Strobe input from source selector
20,21 NC Non connect
-
22 TEST/VDD Connect to GND
-
23 TEST1 - Connect to GND
24,26 NC Non connect
-
27 DCSIN I DCS Signal input from TAPE
28 DCSOUT DCS Signal output to TAPE
O
29 NC - Non connect
30 INH I Power failure detect
31 TEST2 Connect to GND
-
32~36 NC - Non connect
37 VDD Power supply
-
38,39 X2,X1 I/O Oscillation terminal (10MHz)
40 Vss Connect to GND
-
41 XT2 - Non connect
42 XT1 I Sub clock
43 RESET Reset input
I
44 REM I Remote control signal input
45 RDSCLK RDS Clock input
I
46 BLKCK I CD Q-code block clock input
47~50 NC Non connect
-
51 AVDD Power supply
-
52 AVREF0 - Power supply
53 MD KEY Key control signal input from MD
I
54 KEY0 I Key control signal input from CD
55,56 NC Non connect
-
57 NC - Connect to GND
58 SAFETY0 When power is ON (INH)=detection "H"
I
59 SAFETY1 Non connect
-
60 NC - Connect to GND
2-28
50
31
Description
Non connect
0 E 1 J 0 U 1UX 0UR 1EE 0 A
0 0 1 1 0 0 1
0 0 0 0 1 1 1
Pin
Symbol I/O
No.
-
61 AVSS
O
62 CD/OPT
O
63 MDRESET
-
64 AVREF
I
65 MD Rx
O
66 MD Tx
-
67 NC
I
68 SUBQ
-
69 NC
O
70 SQCK
1 U
O
71 AXRESET
1
1
O
72 READY
I
73 STATUS
O
74 COMMAND
O
75 CLK
-
76 NC
O
77 MCLCK
I
78 REST SW
O
79 LSI RST
I
80 STAT
O
81 MLD
O
82 MDATA
-
83 NC
O
84 MDRECLED
O
85 FCD
O
86 SMUTE
O
87 HPMUTE
O
88 LED0
O
89 MDINLED
-
90 NC
I
91 CLOSESW
I
92 OPENSW
O
93 CLOSE
O
94 OPEN
-
95 NC
O
96 FTU
I/O
97 TUNERTEST
-
98 NC
O
99 SPK
-
100 Vss
Description
Connect to GND
Digital input selector
MD Reset signal output
Power supply
MD Unit I/F input
MD Unit I/F output
Non connect
CD Q-code input
Non connect
CD Q-code clock output
Reset signal output to AX-UXG6
Micom I/F output to IC701 (AX-UXG6)
Micom I/F input to IC701 (AX-UXG6)
Micom I/F output to IC701 (AX-UXG6)
Micom I/F output to IC701 (AX-UXG6)
Non connect
CD LSI control signal output to IC461
Rest switch detection terminal
CD LSI reset signal output to IC461
Status signal input from IC461
Command load signal output to IC461
Command data output to IC461
Non connect
MD REC LED control signal output
Function CD
System mute output
Headphone mute output
Power lighting when it is on always
(CD/TUNER LED)
MD IN Indicator control output
Non connect
CD tray close switch detection terminal
CD tray open switch detection terminal
CD tray close control signal output
CD tray open control signal output
Non connect
Function tuner
Tuner reset
Non connect
Speaker relay control H=ON
Connect to GND