Service Manual

15
23 XOUT O Oscillator
24 VSS I Grounding
25 SHIFT O Clock frequency deviation H: unlock
26 PABC O MOS FET power H: unlock
27 WNRC O Audio referential sensitivity L: narrow
28 WNTC O Max deviation H: narrow
29 NC I NC
30 SDA I/O EEPROM data cable
31 SCL O EEPROM clock cable
32 UL I Lock circuit detector L: unlock
33 DT O Common data output
34 CK O Common clock output
35 LE O PLL IC H: lock up
36 5MC O Power control except CPU and EEPROM L: unlock
37 AFCO O AF amplifier H: unlock
38 RX O TX/RX VCO H: receive
39 GLED O Green light control H: light
40 RLED O Red light control H: light
41 SAVE O Power saving control H: power saving OFF
42 MUTE O Squelch control H: mic squelch L:AF squelch
43 5RC O Receiver power control L: unlock
44 5TC O Transmitter power control H: unlock
45 NC I NC
46 NC I NC
47 NC I NC
48 NC I NC
49 NC I NC
50 NC I NC
51 NC I NC
52 NC I NC
53 NC I NC
54 NC I NC
55 VCCN O Frequency output
56 APC O TX:auto frequency output RX:BPF tune output
57 VCC I CPU input power 5V
58 VREF I Connect with VCC
59 AVSS I Connect with VSS
60 NC I NC
61 NC I NC
62 NC I NC
63 NC I NC
64 TIBI I QT/DQT exterior circuit central point input