Pioneer DEH-P90DAB, Service Manual

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88
DEH-P90DAB
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Pin Functions (U2730B-BFS)
Pin No. Pin Name I/O Function and Operation
1 NC Not used
2 C I Control input
3 VCC1 Supply voltage
4 VREF Reference pin of VCO
5 TANK Tank pin of VCO
6-8 GND Ground
9 VCC2 Supply voltage
10 TMD O Test output of main divider
11 TRD O Test output of reference divider
12 CD O Active filter output
13 PD O Three state charge pump output
14 PLCK O Lock indication output (open collector)
15 REF I Reference divider input
16 NREF I Reference divider input (inverted)
17 TH Threshold voltage of comparator
18 AGC I/O Charge pump output of comparator, AGC input for amplifier and mixer
19 IF O Intermediate frequency output
20 VCC3 Voltage supply
21-24 GND Ground
25 NRF I RF input (inverted)
26 RF I RF input
27 S I Control input
28 VCC4 Voltage supply