* RF amplifier & RF equalizer
* Focus error amplifier & servo control
* Tracking error amplifier & servo control
* Mirror & defect detector circuit
* .

It consist of blocks for RF signal processing ,focus, tracking, sled and spindle servo.Also this IC has adjustment free .

Table 1. PIN DESCRIPTION Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Symbol MCP DCB FRSH DCC2 DCC1 FSET VDDA VCCP GC2I GC2O CH2I CH2O CH1O CH1I GC1O GC1I RRC VSSP MUTEI ISET VREG WDCK SMDP SMON SMEF FLB RF AMP & SERV.

KB9223-L

KB9224

KB926D

KB9012

KB910

KB-058

KB-076

KB-170

KB-190

KB-240

KB-2965EGW-B

KB-380

KB-430