Panasonic SA-AK520E Service Manual page 76

Pin No. Mark
34 RFENV I
35 OFT I
36 NRFDET I
37 BDO I
38 LDON O
39 ARF I
40 IREF I
41 ADPVCC I
42 DSLF O
43 RFSW I
44 PLLF O
45 PLLFO O
46 AVDD2 -
47 AVSS2 -
48 OUTL O
49 AVSS1 -
50 OUTR O
51 AVDD1 -
52 DVSS3 -
53 DVDD3 -
54 TMOD2 I
55 FLAG O
56 EXT2 I/O
57 EXT0 I/O
I/O Function
RF envelope signal
input (analog input)
Off-track signaL input
High: Off-track)
RF detection signal
input
Low: detection
Dropout signal input
High: Dropout
Laser ON signal
output
High: ON
RF signal input
Reference current
input
Voltage input for
supply voltage
monitor (analog input)
DSL loop filter
DSL loop filter
PLL loop filter
PLL loop filter
Power supply for
analog circuits (for
DSL, PLL and A/D)
Ground for analog
circuits (for DSL, PLL
and A/D)
L-ch audio output
Ground for analog
circuits (for audio
output stage)
R-ch audio output
Power supply for
analog circuits (for
audio output stage)
Ground for digital
circuits
Power supply for
digital circuit
Test input pin Low:
Normal
Flag signal output
Expansion I/O port 2
Expansion I/O port 0
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