Diagrams; Ic Pin Description - Sony CDX-4240R Service Manual

SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTION
¢ (C801 MBS0574APMT-G-199-BND (SYSTEM CONTROL)
Pin Name Pin Description
LD ON Laser ON/OFF control output
FOK Focus OK signal detection input
XLAT25 CD signal processing latch output
DATA25 CD signal serial data output
XRST Reset output to CD signal processor IC.
GFS GFS signal detection input
NIL Not used. (Connect to ground in this set.)
VCC Power supply pin (+5 V)
NIL Not used. (Open)
FLS SI/NOSEI Front panel attachment detection input
LCD SO/FLS SO LCD serial data output
LCD CKO LCD serial clock output
BEEP BEEP output
NIL Not used. (Open)
SQSI Sub Q data input
NIL Not used. (Connect to ground in this set.)
SQ CKO Sub Q read clock output
UNI SI BUS system serial interface input (Not used in this set.)
UNI SO BUS system serial interface output (Not used in this set.)
BUS system serial clock input/output (Not used in this set.)
Track jump No. count input
Remote commander input
CD-TEXT data input (Not used in this set.)
Not used. (Connect to ground in this set.)
TXT CKO
CLOK25 CD signal processing serial clock output
SYSRST System reset output (Not used in this set.)
DEEMPH De-emphasis output
AMP ATT Power amplifier attenuator control output
T
MD ON CD mechanism power control output
VSS Ground
Cc Power stabilization capacitor pin
CD ON CD power control output
'BUS ON BUS ON control output (Not used in this set.)
NIL Power control output of A/D conversion.
DVCC VREF input of D/A converter.
DVSS Ground of D/A converter.
NIL Not used. (Open)
ANGLE LCD view angle alignment output (Not used in this set.)
AVCC Analog power supply pin (+5 V)
AVRH VREF + input of A/D converter.
AVRL VREF — input of A/D converter.
AVSS Analog ground
KEY INO - 2 Key input 0 - 2
RC INO Rotary commander input 0
QUALITY Noise detection input
NIL Not used. (Connect to ground in this set.)
MPDH Tuner multi path input
S-METER S-meter voltage detection input
Vcc Power supply pin (+5 V)
NS MASK Noise detection output