Description Of Major Ics - JVC MX-G500 Service Manual

MX-G500

Description of major ICs

5L9290 (IC201) : Digital signal processor for CDP
1. Pin layout
VSSA_PLL
VCO1LF
VSSD_PLL
VDDD_PLL
VDDD1_5V
VSSD1_5V
2. Block diagram
VCO1LF
EFMI
LOCK
SMEF
SMDP
SMDS
WDCK
WFCK
RFCK
C4M
XIN
ISTAT
MLT
MDAT
MCK
MUTE
1-28
48 47 46 45 44
1
2
3
4
5
S5L9290X
XIN 6
XOUT 7
48-LQFP-0707
8
EFMI 9
LOCK 10
SMEF 11
SMON 12
13 14 15 16 17
SQCK
SBCK
Subcode
Out
DPLL
EFM
Demodulator
CLV
ECC
Servo
Timing 16K
Generator SRAM
Micom Address
Interface
Generator
JITB
43 42 41 40 39 38 37
DSP+DAC
18 19 20 21 22 23 24
SOS1
SQDT
SBDT C2PO
Interpolator
I/O
Interface
SADTO
LRCKO
BCKO
36 BCKO
35 LRCKO
34 SADTO
33 DATX
32 C2PO
31 JITB
30 SBCK
29 VDDD3-5V
28 VSSD2-3V
27 VDDD2-3V
26 MUTE
25 SQDT
DATX
Digital
Out
Digital
Filter
1-bit
DAC
PWM
LPF
SADTI
VHALF
LCHOUT
LRCKI
VREF
RCHOUT
BCKI