Block Diagram - Technics SL-HD301 Service Manual

8 Block Diagram
AN8839NSBE2 as ts ine
OPTICAL PICKUP i
ae SERVO AMP a) ae ml ti
Semiconductorl
eS
ee
aaa a LS
Ta 7
aser 6 LLPD
© OFTR jy Abi9 BrENv
| oe
Vref. i i
Vref. Cy L_ Fe]
— B00 A12 B00
=< S DET.
/RFDET 415/RFDET
O
Subtracter
+B2
FEIN 125
O
|
|
|
|
| +B2
|
Photo detector
l
SRa ae i
| AN8739SBE2 =
| g
| * FOCUS COIL/ TRACKING
: ] COIL/ TRAVERSE MOTOR /
| s SPINDLE MOTOR DRIVE
i H
29
(VREF)
| Focus coi ef
17a D4+
VREF C)
ig T5702 | $702
1
F
Ina 124
TRO
| - O
Tracking coil | | |
: T+ 15 03+ |
|
|
pit
IN4 of
FOD
. coll drive
T- 14) ps-
| j °
TRV+ 41 t+ |
palit Y Traverse
TRAVERSE motor IN1 A 6 Tv
MOTOR TRV- 104, O1- drive
SP+ 13
SPINOLE Srindl
MOTOR Sp- 12] b2- drive
Reset
signal
generator
14