JVC FS-A52 Service Manual page 33

3. Pin function (2/2)
Pin No. Symbol
I/O
51 AVREF I
52 AVREF0 I
53 SEFTY2 I
54 SEFTY3 I
55 LDCK I/O
56 FKEY1 I
57 VERSION I
58 FKEY2 I
59 KEY1 I
60 SEFTY1 I
61 VSS I
62 RCDL O
63 BCDL O
64 AVREF1 I
65 RXD I
66 TXD O
67 NC -
68 CDRXD I
69 CDTXD O
70 CDRST O
71 GCDL O
72 NC -
73 TUDATA 1 I
74 TUDATA O
75 TUCK O
76 NC -
77 NC -
78 NC -
79 NC -
80 NC -
81 NC -
82 NC -
83 NC -
84 NC -
85 NC -
86 NC -
87 NC -
88 SCL O
89 CS O
90 RESET O
91 SDA I/O
92 NC -
93 RS I
94 NC -
95 NC -
96 SDATA I/O
97 SCK I/O
98 STTA I/O
99 PLAY O
100 VSS I
Reference power supply +5 V
Reference power supply +5 V
Current detection
Current detection
Function switch key input
Destination switch input
Function switch key input
Cassette key input
Current detection
GND
LED color display control
LED color display control
Reference power supply +5 V
Digital input
Digital output
Not connected
CD digital input
CD digital output
CD reset
LED color display control
Not connected
Tuner data
Tuner data
Tuner clock
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
LCD clock
LCD power supply
LCD reset
LCD serial data
Not connected
LCD start
Not connected
Not connected
Cassette control serial data
Cassette control serial clock
Cassette control status signal
Cassette PB switch detection
GND
Description
FS-A52
UPD784216AGF(2/2)
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