Pioneer XR-P270C Service Manual page 56

XR-P270C,XR-P170C
@ LA9240ML (IC8101 : CD ASSY)
@ SERVO SIGNAL PROCESSOR IC FOR CD PLAYER
® Block Diagram
vcci LDS
OLDD OBH1 OPH1 OLF2
REF1 vcc2
OFSS Oo DRF OCE © DAT OCL OCLK O DEF
6 6) 55) 54) 53) 52) 51) 50) 49
tas,
—2o
1486 no
lero r56
FIN2 0 las, FSC
FIN d Has san
. lessons
F le3, 516
ts
42, RFS.
TE- las, RFSM
TE l49, CVs
TESI Iso, cv-
sc 385 sioF
TH
So HEL
TA 85TEs
TD- 380 TOFF
TD o
94, 7aL
JP O 335 jp,
ae
Fp ol6 |
17) 184 194 20) 21 zal 29 24 25 26, 27) 281 291 30) 31) 32
SPG
SP- SPD
SLEQ
SLD o
SL-
SL+
JP-
@ Pin Function
No.
FIN2
FI
Function
Pin for connection of the photodiode of the pickup. Generates RF signal by addition with the FIN 1 pin, and FE signal by subtraction.
Pin for connection of the photodiode of the pickup.
Pin for connection of the photodiode of the pickup. Generates TE signal by subtraction with the F pin.
Pin for connection of the photodiode of the pickup.
Le
ma
fe
feOr
Ra Input pin for shock detection.
Ba Pin for setting tracking gain time constant.
ee ae Pin to form the tracking phase compensation constant between the TD and VR pins.
ww
=|S
3/4] = iil
_ las]
TA amplifier output pin
Pin for setting tracking phase compensation
Pin for setting tracking jump signal (kick pulse) amplitude.
Tracking control signal output pin.
=
56