Sanyo DC-DA170 Service Manual page 12

IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9241M (Servo Signal Processor)
Vcc1 LDS LDD BH1 PH1
64 63 62 61 60
APC
RF DET
FIN2
1
VCA
2
FIN1
I/V
E 3
BAL VCA
F 4
TB 5
TE
TE- 6
7
TE
8
TESI
T.SERVO & T.LOGICK
9
SCI
10
TH
11
TA
TD- 12
F.SERVO & F.LOGICK
13
TD
14
JP
TO 15
FD 16
17 18 19
FD- FA FA-
IC412 TA8229K ( AF Main Amplifier)
IC103 LA6541 (Pick-up Actuator & Motor Driver)
Vcc Vref VIN4 VG4 Vo8
24 23 22 21 20
11k
Level BTL
Sift Driver
Level BTL
Sift Driver
11k
1 2 3 4 5
Vcc Mute VIN1 VG1 Vo1
LF2 VR REF1 Vcc2 FSS DRF CE DAT CL CLK DEF
59 58 57 56 55 54 53 52 51 50 49
REF
-com
INTER FACE
SLC
RF Amp
SPINDLE SERVO
SLED SERVO
20 21 22 23 24 25 26 27 28 29 30 31
FE FE- AGND SP SPI SPG SP- SPD SLEQ SLD SL- SL+
Vo7 GND Vo6 Vo5
19 18 17
Vcc
BTL
Driver
BTL
Driver
6 7 8
Vo2 GND Vo3 Vo4
IC410 BA3314 ( MD Rec. Amplifier)
48 NC
47 TBC
46 FSC
45 DGND
44 SLI
43 SLC
42 RFS-
41 RFSM
40 CV+
CV-
39
38 SLOF
37 HFL
TES
36
35 TOFF
TGL
34
IC411 LC75392 (Pick-up Actuator & Motor Driver)
33 JP+
L1
(R1)
L2
32
(R2)
JP-
L3
(R3)
L4
(R4)
Vref
CL
DI
CE
IC415 MM1453XF (Q Xpander with Spread Control)
V
CC
VG3 VIN3 CD RES
18
16 15 14 13
11k
Level
RESET
Sift
Level
Regulator
Sift
11k
9 10 11 12
1
VG2 VIN2 Reg OUT Reg IN
R
IN
- 14 -
LATCH
DECODER
CONTROL
SHIFT REGISTER
QF1 QF2
L V
IN REF
17 16 15 14
VIRTUAL AUDIO
QXpander
Bias
PROCESSOR
2 3 4 5
PNR S/Q DET Q
IN
V V
DD SS
QF3 QF4 QF5 QF6
13 12 11 10
6 7 8 9
SPC R L GND
OUT OUT