Harman Kardon FL 8370, Technical Manual

Page: 22 / 101

FL8370
KB9223
M/M-97-P006
1997. 10. 17
27 FS3 The pin for high frequency gain change of focus loop with internal FS3 switch
28 FGD Reducing high frequency gain with capacitor between FS3 pin
29 LOCK Sled runaway prevention pin
30 TRCNT Track count output pin
31 ISTAT Internal status output pin
32 ASY The input pin for asymmetry control
33 EFM EFM comparator output pin
34 VSSA Analog VSS for servo part
35 MCK Micom clock input pin
36 MDATA Micom data input pin
37 MLT Micom data latch input pin
38 RESET Reset input pin
39 MIRROR The mirror output for test
40 FOK The output pin of focus OK comparator
61 TGU The capacitor connection pin for high frequency tracking gain switch
62 TG2 The pin for high frequency gain change of tracking servo loop with internal TG2 switch
63 FEBIAS Focus error bias voltage control pin
64 DVEE The DVEE pin for logic circuit
65 PD1 The negative input pin of RF I/V amplifier1(A+C signal)
66 PD2 The negative input pin of RF I/V amplifier2(B+D signal)
67 F The negative input pin of F I/V amplifier (F signal)
68 E The negative input pin of E I/V amplifier(E signal)
69 PD The input pin for APC
70 LD The output pin for APC
71 VR The output pin of (AVEE+AVCC)/2 voltage
72 VCC VCC for RF part
73 RF- RF summing amplifier inverting input pin
74 RFO RF summing amplifier output pin
Table 1. PIN DESCRIPTION (Continued)
Pin No. Symbol Description
22