JVC KS-FX945R Service Manual page 35

Pin No Symbol
47 E2PROM-CLK
48 OPEN
49,50 NC
51,52 NC
53 SD/ST
54 NC
55 MONO
56 to 60 NC
61 DETACH
62 AFCK
63 SEEK/STOP
64 IFC CONT
65 FM/AM
66 PLL-CE
67 PLL-DO
68 PLL-CLK
69 PLL-DI
70 TEL-MUTING
71 NC
72 VSS
73 DIMMER IN
74 PS1
75 POWER
76 NC
77 MUTING
78 to 80 NC
81 VDD
82 NC
83 VOL-DA
84 VOL-CLK
85 to 89 NC
90 STAGE1
91 MOTOR
92 FF/REW
93 HEAD SEL(F/R)
94 TEST
95 DOLBY
96 MS IN
97 REEL
98 SUBMO-
99 SUBMO+
100 MODE
I/O
O E.VOL I2C clock output
I DOOR OPEN SW
- Not use
- Not use
I Station detector or stereo indicator input ;
H means a station is there. L means the program is stereo.
- Not use
O Monaural selection output ; H means monaural
- Not use
I Detach detect input ; H means detaching
O AF check output
O Auto seek and stop selecting output ;
H means seeking L means receiving.
O IFC control output
O FM AM band selecting output ; H = FM L= AM
O CE output for PLL IC
O Data output for PLL IC
O Clock output for PLL IC
I Data input from PLL IC
I Telephone muting detection input ;
Active level can be selected H or L in PSM
- Not use
- GND
I Dimmer detector input L=dimmer on
I Power save1 L= ACC off
O POWER ON/OFF control output
- Not use
O Muting output L=muting on
- Not use
- Micon power supply
- Not use
O Data output for e-vol IC
O Clock output for e-vol IC
- Not use
I Feature selection
O Main motor control H:Motor drive
O Audio level control for MS H:Play mode L:FF/REW mode
O Audio signal selector for head amp H:REV L:FWD
For rewriting flash memory
O Dolby ON/OFF control H:Dolby on
I MS signal input L:no music
I Reel pulse signal input (Pulse signal)
O Sub motor control. Eject direction
O Sub motor control. Loading direction
I Mecha position detection signal
Function
H=power on
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