Panasonic CQDF401U - AUTO RADIO/CD DECK, Service Manual

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54 /MUTE Mute control O 5.0
55 CD DATA CD data I/O 4.7
56 CD CLK1 CD clock O 5.0
57-
61
N.C. No connection - -
62 SUB80/
120
Sub woofer cutoff freq.
(Note 2) O 0
63 SUB CLK Sub. woofer clock O 0
64 SUB
DATA
Sub. woofer data O 0
65 /HDB HDB control (Note 2) O 4.9
66 N.C. No connection - -
67 /CD RST CD reset O 5.0
68 /CD ON CD power on O 0
69 CD CLK2 CD clock O 4.9
70 CD MUTE CD mute I 0
71 REM IN Remocon data I 5.1
72 CHC STB CD changer strobe (Note
1)
O 0
73 /TUNER Tunner power control O 0.3
74 FM FM power control O 0.2
75 /MONO Mono/Stereo selection O 8.0
76 SSC Search stop clear O 0.2
77 ACC SEN ACC detection I 3.9
78 N.C. (Connecting to ground) - 0
79 INIT A Initial value I 0
80 INIT B Initial value (Note 3) I (#1)
81 ADC VSS ADC ground - 0
82 LV L Lch level detection I 1.4
83 LV R Rch level detection I 1.4
84 N.C. (Connecting to ground) -
0
85 SD B/S detection I 0.6
86 /RESET (Connecting to VDD) - 5.0
87 HOLD (Connecting to VDD) - 5.0
88 SNS (Connecting to VDD) - 5.0
89 LCTR (Connecting to ground) - 0
90 IFC Radio IF control O 2.6
91 E03 Not used - -
92 /ST FM stereo detection I 4.5
93 PLL VDD +5V power supply - 5.0
94 AM IN (Connecting to ground) - 0
95 OSC Radio oscillator I 2.4
96 PLL VSS PLL ground - 0