Technics SL-PD647

L-PD647 |
e
1C102
(MN66271/MN662712RA):
Servo
processor/digital
signal
processor/digital
filter
&
D/A
converter
vO F
Function
Le | Traverse drive signal
Turntable motor drive. signal
(“L": ON) é
Turntable motor drive signal .
(Forced mode)
4 BCLK Serial bit clock terminal
LRCK L/R discriminating signal
SRDATA Serial data (Not used, open)
TVD
PC
ECM
Power supply (digital circuit)
ECS
Voo! terminal
je] elale
(Servo error signal)
[= ane
2 | oem
x
Vsg1 GND (digital circuit) terminal
KICK
4 <
Digital audio interface signal
iw)
“I
Nh
=
T
CLK
F
Command clock signal
R
fe)
D/A drive output (TVD, ECS,
TRD, FOD, FBAL, TBAL)
normal voltage input terminal
=
EET ELELELE ELE
DATA Command data signal
VREF
LD Command load signal
Chis HAP) Focus balance adj. output
j. outpu
F
Sense signal 30 BAL. (Not used, open)
(OFT, FESL, NACEND, NAJEND,
POSAD,
SFG)
31
BAL
Tracking
balance
adj.
output
Optical servo condition
"1 (focus) (“L”: lead-in)
IFLOCK
Optical servo condition
ITLOCK
(tracking)
(“L”:
lead-in)
TE
Tracking error signal
(analog input)
RF envelope signal
, | Oscillation det. signal
; (“H": det.)
Sub-code block clock (f=75Hz)
BLKCK
(Not
used,
open)
34 RFENV
Focus error signal
(analog input)
SQCK
I
Sub-code
Q
register
clock
VDET
15 UBQ Sub-code Q data
Off frack signal
(“H": Off track)
Track cross signal input
RF detection signal
(“L”: detection)
oO Lo7)
Muting input (“H”: MUTE)
18 (Not used, connected to GND)
DMUTE
37
Status signal (CRC, CUE, CLVS,
rie el TTSTOP, FCLV, SQCK)
38 | /RFDET
2 | o 9) 3 n
IRST Reset signal (“L”: reset)
Dropout detection signal
BDO (“H”: dropout)
System clock (f=4.2336MHz) —
(Not used, open)
19 ”
MCK
40 DON Laser power control (“H”: ON)
ii
Frequency division clock signal
(Not used, open)
raf iN Me
(f= 1.92 x ck=88.2kHz)
PMCK Tracking error shunt output
TES (“H”: dropout)
>
Traverse
servo
contro!
42
PLAY
Play
signal
(“H”:
play)
to
(se
Sal R <