JVC KS-FX621 Service Manual page 25

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Pin No. Symbol
45 TAPE IN
46 STAND BY
47 REEL
48 MODE
49 F/R
50 MS IN
51 SD/ST
52 DETACH
53 JOG-0
54 JOG-1
55 JBUS INT
56 REMOCON
57 BAND
58 DOLBY
59 IFRQ/AGC
60 MUTE
61 P.SAVE2
62 LEVEL
63 S.METER
64 KEY2
65 KEY1
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L 13942296513
66 KEY0
67 P.SAVE1
68 SNS
69 NC
70 FM IF COUNT
71 NC
72 NC
73 Vdd
74 NC
75 FM OSC
76 Vss
77 NC
78 EO
79 TEST1
80 XOUT
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I/O
I Detect cassette in SW. [H] at cassette in
I Detect stand by SW position.
I Pulse input
I Detect mode position.
O Output F/R ( Forward:L Reverse:H)
I Detect MS. [H] at no music.
I Station detect and FM stereo signal input [H] at SD
I Front panel detect
I Rotary encoder input 0
I Rotary encoder input 1
I J-BUS interrupt (to 74HC126)
I Remocon input
O FM/AM band selection ("H" : FM, "L" : AM)
O Output DOLBY mode ("H" : DOLBY on)
O During FM auto search IF request output 'H' after SD detected.
During AM auto search AGC output ("H" : auto search)
O Muting switch
I Power save 2 : +B detect
I Level meter input
I S meter input
I Key 2 data input (AD)
I Key 1 data input (AD)
I Key 0 data input (AD)
I Power save 1, ACC power detect
I Voltage sense
-
I FM IF counter data input
-
-
- 5V supply
-
I FM input frequency
- Ground
-
O PLL error output signal
- Connect to ground
O 4.5MHz crystal oscillation
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(No.49825)1-25
KS-FX621
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