Yamaha CRX-E500 Service Manual page 31

IC202 : MN35511AL
Pin Description
Pin No. Name I/O
1 BCLK O Bit clock output for SR DATA
LRCK
2 O L/R identification signal output
SRDATA O Serial data output
3
4 DVDD1 I Power supply for digital circuit
5 DVSS1 I GND for digital circuit
TX O Digital, audio, interface output signal
6
7 MCLK I Microprocessor command clock signal input (data latched at leading edge)
8 MDATA I Microprocessor command data input
Microprocessor command load signal input
MLD
9 I
SENSE O Sense signal output (OFT, FESL, NACEND, NAJEND, SFG, NWTEND)
10
11 FLOCK O Focus servo drawing signal (L : when drawn)
12 TLOCK O Tracking servo drawing signal (L : when drawn)
BLKCK
13 O Sub code block clock signal (BLKCK=75Hz)
14 SQCK I Clock input for sub-code Q register
15 SUBQ O Sub-code Q code output
DMUTE
16 I Muting input (H : MUTE)
STAT O Status signal (CRC, STCNT, CLVS, TTSTOP, SQOK, RESY, FCLV, FLAG6, SENSE ,/FLOCK, /RFDET, /TLOCK)
17
18 RST I Reset input (L : RESET)
19 SMCK/ O 4.2336MHz clock signal output SMCK when command is defaulted. (Note 1)
FCLK
SMCK (8.4672MHz), FCLK (7.35kHz) or "L" fixed is selected when command is switched.
20 CLVS/ O With command defaulted : CLVS when IOSEL=H, FLAG6 when IOSEL=L
FLAG6 These settings can be reversed by command (FLAG6 when IOSEL=H).
TRV
21 O Traverse (Feed) forced feed output
TVD O Traverse (Feed) drive output
22
23 PC O Spindle motor ON signal
ECM
24 O Spindle motor drive signal (forced mode output)
ECS
25 O Spindle motor drive signal (servo error signal output)
26 KICK O Kick pulse output
27 TRD O Tracking drive output
FOD
28 O Focus drive output
VREF I Reference voltage for DA output block (TVD, ECS, TRD, FOD, FBAL, TBAL)
29
30 FBAL O Focus balance adjustment output
TBAL
31 O Tracking balance adjustment output
FE
32 I Focus error signal input (analog input)
33 TE I Tracking error signal input (analog input)
34 RFENV I RF envelope signal input (analog input)
VDET
35 I Oscillation detect signal input (H : DETECT)
OFT I Off track signal input (H : OFF TRACK)
36
37 TRCRS I Track cross signal input (analog input)
38 RFDET I RF detect signal input (L : DETECT)
BDO
39 I Drop out signal input (H : DROP OUT)
LDON O Laser ON signal output (H : ON)
40
41 TOFS O Tracking offset adjustment output
PLAY/TRVSTOP
42 O Switched by command. PLAY (Play signal output) when command is defaulted.
WVEL O Double speed status signal output (H : double speed)
43
44 ARF I RF signal input
45 IREF I Reference current input terminal
DRF
46 I Bias terminal for DSL
Note: At the SMCK/FCLK pin, output does not stop while /RST=L.
Function
(L : LOAD)
3-State
L : ON (default)
3-State
3-State
CDC-E500
(NC)
(NC)
(NC)
(+5)
(NC)
(NC)
(NC)
(GND)
(NC)
(NC)
(NC)
(NC)
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