JVC MX-G500 Service Manual page 30

MX-G500
KB9226 (IC101) : RF amp. & servo signal processor
1. Pin layout
2. Block diagram
3
EQO 4
EFMI 5
Defect Detect Mirror
DCCI 45
DCC0 46
Focus Servo Loop
MCP 44 - Gain & Phase
Compensation
- Focus Search
DCB 43
- Offset Adjust
- FZC Gen.
VCC/
6
VDD
FRSH 7
FSET 8
FLB 9
FGD
10
FSI 11
TGU 12
1-30
36 35 34 33 32 31 30
37 LD
38 PD
39 PDAC
40 PDBD
41 PDF
42 PDE
S1L9226X
43 DCB
44 MCP
45 DCCI
46 DCCO
47 VREF
48 EQC
1 2 3 4 5 6 7
2 1 48
RF AGC & EQ
Control
Focus OK Detect
Gen
Micom Data Interface Logic Decoder
13 14 15 16 17
29 28 27 26 25
SPO 24
SPM 23
ASY 22
EFM 21
LOCK 20
19
WDCK
CLVI 18
RESET 17
MLT 16
15
MDATA
MCK 14
ISTAT 13
8 9 10 11 12
47 42 41
Center
Tracking Error
Voltage
(RW) Error (CD-RW)
I/V AMP
APC. Laser
Control &
LPC
Tracking Servo Loop
- Gain & Phase
Compensation
- Track Jump
- Offset Adjust
- TZC Gen.
Hardware Logic
- Auto-Sequencer
- Fast Search
- Febias, Focus Servo,
Tracking Offset ADJ.
- Tracking Balance & Gain
Adjust
- Interruption Detect
- EFM Muting System
EFM
Comparator
19 18 20 22 21
39
40
RF & Focus
I/V AMP
38 PD
37 LD
35 LPFT
34 TEIO
TZC&
33
SSTOP
36 ATSC
29 TEO
28 TEM
27 SLP
Sled Servo &
Kick Gen
26 SLO
25 SLM
29 FEO
30 FEM
23 SPDLO
Spindle
Servo LPF
24 SPDLM