28 FOD O Focus drive output
29 VREF I D/A (drive) output (TVD,ECS,TRD,FOD,FBAL,TBAL) Reference voltage input
30 FBAL O Focus balance adjustment output
31 TBAL O Tracking balance adjustment output
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 input (“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 O EFM signal output
53 PCK O PLL extraction clock output (fPCK = 4.321 MHz during normal playback)
54 VCOF2 I/O VCO loop filter for 33.8688 MHz conversation terminal for 16.9344 MHz crystal mode, must use
other circuit
55 SUBC O Sub-code serial data output
56 SBCK I Clock input for sub-code serial data
57 VSS I GND
58 X1 IN I Crystal oscillating circuit input (f = 16.9344MHz)
59 X2 OUT O Crystal oscillating circuit input (f = 16.9344MHz)
50 VDD I Power supply input (for oscillating circuit)
61 BYTCK O Byte clock output
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