Panasonic SA-AK600GC, Service Manual, Page: 38 / 134

Pin No. Mark I/O Function
32 FE I Focus error signal
input (analog input)
33 TE I Tracking error signal
input (analog input)
34 RFENV I RF envelope signal
input
35 VDET I Vibration detection
signal input ("H" :
detection)
36 OFT I Off-track signal input
("H" : off track)
37 TRCRS I Track cross signal
input
38 /RFDET I RF detection signal
input ("L" : detection)
39 BDO I Dropout signal input
("H" : Dropout)
40 LDON O Laser on signal
output ("H" : ON)
41 PLLF2 I/O N.C.
42 DSLF2 O Tracking Offset
alignment output/DSL
Balance Output (DA
Output)
43 WVEL O N.C.
44 ARF I RF signal input
45 IREF I Reference current
input
46 DRF I DSL bias terminal
(Not used, open)
47 DSLF I/O DSL loop filter
terminal
48 PLLF I/O PLL loop filter
terminal
49 VCOF I/O VCO loop filter
terminal
50 AVDD2 I Power supply input
(for analog circuit)
51 AVSS2 I GND (for analog
circuit)
52 EFM - EFM signal output
53 PCK - PLL extraction clock
output (fPCK = 4.321
MHz during normal
playback)
38