JVC KS-FX490 Service Manual page 31

Pin No. Symbol
42 IFC
43 VDDPLL
44 OSC INPUT
45 NO USE
46 GNDPLL
47 AM E.OUT
48 FM E.OUT
49 IC(VPP)
50 RESET
51 NC
52 NC
53 MONO
54 SD/ST
55 FM/AM
56 NC
57 DETACH
58 NC
59 NC
60 LCD DA
61 LCD CLK
62 LCD CE
63 to 68 NC
69 RX
70 TX
71 IFC CONT
72 OPEN
73 to77 NC
78 REMOCON
79 NC
80 J-BUS INT
81 NC
82 GND1
83 STAGE1
84 NC
85 MUTE
86, 87 NC
88 TEL MUTE
89 UNLOOK
90 DIMMER OUT
91 VOL-1
92 VOL-2
93 DIMMER IN
94 ANT REMOTE
95 to 98 NC
99 VDDPORT
100 GNDPORT
I/O
I IF count input
- -
I FM/AM local osc input
- PLL disable & Pull down to GND
- Connect to ground
O AM error output
O FM error output
- SETTING TO WRITE FOR FLASH
I System reset input
- Not connect
- Not connect
O Mono control output
I Signal detector/Stereo signal input
O FM/AM selecting output
- Not connect
I Detach detecting input
- Not connect
- Not connect
O LCD driver DATA output
O LCD driver CLK output
O LCD driver CE output
- Not connect
O
O
O IFC control output
I Door open detection input
- Not connect
I Remote control signal input
- Not connect
I J-BUS interrupt input
- Not connect
- Ground
O Setting for model
- Not connect
O Mute output
- Not connect
I Tel mute detection signal input
O Tuner lock signal output
O Dimmer control output (Dimmer on: L)
O Volume encoder pulse input 1
O Volume encoder pulse input 2
O Dimmer detector input L: dimmer on
O ANTENNA CONT. OUTPUT
- Not connect
- Connect to FLASH PRO
- Connect to FLASH PRO
Function
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