Sharp CD-XP120 Service Manual page 36

CD-XP120
IC401 VHiMN6627482W: CD Signal Control (MN6627482WA) (1/2)
Pin No. Terminal Name
1* BCLK
2* LRCK
3* SRDATA
4 DVDD1
5 DVSS1
6* TX
7 MCLK
8 MDATA
9 MLD
10* SENSE
11* /FLOCK
12* /TLOCK
13 BLKCK
14 SQCK, GIO0
15* SUBQ
16 DMUTE
17 STAT
18 /RST
19* SMCK
20* PMCK, PLAY
21 TRV
22 TVD
23* PC
24 ECM
25 ECS
26 KICK
27 TRD
28 FOD
29 VREF
30 FBAL
31 TBAL
32 FE
33 TE
34 RFENV
35 VDET
36 OFT
37 TRCRS
38 /RFDET
39 BDO
40 LDON
41 PLLF2
42* TOFS
43* WVEL
44 ARF
45 IREF
46* DRF
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Input/Output
Output SRDATA bit clock output.
Output L/R identification signal output.
Output Serial data output.
Input Digital circuit power supply.
Input Digital circuit GND.
Output Digital audio interface output signal.
Input Microcomputer command clock signal input. (Data latch at the rising edge.)
Input Microcomputer command data input.
Input Microcomputer command load signal input. L: Load
Output Sense signal output. (OFT, FESL, NACEND, NAJEND, SFG)
Output Focus servo lead-in signal. (L: Lead-in)
Output Tracking servo lead-in signal. (L: Lead-in)
Output Subcode block clock signal. (fBLKCK=75 Hz)
Input Default: external clock input for subcode Q resistor.
Command execution: general purpose I/O port.
CD-TEXT mode 2: TEXT data read clock input.
Output Subcode Q data output.
CD-TEXT mode 2: TEEXT data output.
Input Muting input. (Effective only at bit rate 64fs output.) H: Mute
Output Status signal. (CRC, STCNT, CLVS, TTSTOP, JCLVS, SQOK, FLAG6, SENE, FLOCK,
TLOCK, revolving speed data, FCLV, SUBQ, SYFLG)
CD-TEXT mode 3: subcode Q and TEXT data output.
Input Reset input (L: Reset)
Output MSEL=H: 8.4672 MHz clock signal output.
MSEL=L: 4.2336 MHz clock signal output.
Output Default: 88.2 kHz clock signal output.
Command execution: Play signal output. H: play
Output Traverse forcing transmission output. 3-State
Output Traverse drive output.
Output Spindle motor ON output. L: ON (Default)
Output Spindle motor drive signal. (Forcing mode output.) 3-State
Output Spindle motor drive signal. (Servo error signal output.)
Output Kick pulse output. 3-State
Output Tracking drive output.
Output Focus drive output.
Input DA output section (TVD, ECS, TRD, FOD, FBAL, TBAL, TOFS) reference voltage.
Output Focus balance adjustment output.
Output Tracking balance adjustment output.
Input Focus error signal input. (Analog input)
Input Tracking error signal input. (Analog input)
Input RF envelope signal input. (Analog input)
Input Oscillation detection signal input. H: Detection
Input Off track signal input. H: Off track
Input Track cross signal input. (Analog input)
Input RF detection signal input. L: Detection
Input Drop out signal input. H: Drop out
Output Laser ON signal output. H: ON
Input/Output Loop filter characteristic switch terminal for PLL.
Output Tracking offset adjustment output. (Shared with general purpose DA output terminal.)
Output Double-speed status signal output. H: Double-speed
Input RF signal input.
Input Reference current input terminal
Input DSL bias terminal.
Function
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