Tape Mechanism; Ic Block Diagram & Description - Sanyo DC-DA370 Service Manual

PARTS LIST(TAPE MECHANISM)
2
※
※
※
※
4
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
5
TB
TE
TE- 6
TE 7
8
TESI
T.SERVO & T.LOGICK
9
SCI
TH 10
11
TA
TD- 12
F.SERVO & F.LOGICK
13
TD
14
JP
15
TO
FD 16
17 18 19
FD- FA FA-
1
3
※
5
6
7
※
※
LF2 VR REF1 Vcc2 FSS DRF CE DAT CL CLK DEF
59 58 57 56 55 54 53 52 51 50
REF
μ-com
INTER FACE
RF Amp
SPINDLE SERVO
SLED SERVO
20 21 22 23 24 25 26 27 28 29 30
FE FE- AGND SP SPI SPG SP- SPD SLEQ SLD SL-

TAPE MECHANISM

REF.NO. PART NO.
614 315 4839 ASSY,MECHA,TM-DA370TN-SH
1 645 045 1799 R/P,E HEAD KC-9142EA-0321
2 645 010 9454 PINCH ROLLER(R) ASSY
3 645 010 9447 PINCH ROLLER(F) ASSY
4 645 045 1751 ASSY,MOTOR
5 645 045 1959 RF BELT
6 645 045 1997 MAIN BELT
7 645 045 2048 DETECT SWITCH MXS01190
IC103 LA6541 (Pick-up Actuator & Motor Driver)
Vcc Vref VIN4 VG4
24 23 22
11k
49
Level
Sift
48 NC
47 TBC
46 FSC
Level
Sift
45 DGND
SLI
44
11k
SLC 1 2 3
43 SLC
Vcc Mute VIN1 VG1
42 RFS-
41 RFSM
IC104 TA7291S( Bridge Driver)
40 CV+
39 CV- Vcc
38 SLOF 2
37 HFL
TES
36
35 TOFF
34 TGL
33 JP+
Protective Circuit
(Heat Interception)
31 32
SL+ JP-
9
IN1
- 11 -
DESCRIPTION
※N.S.P : Not supplied as service parts.
Vo8 Vo7 GND Vo6
21 20 19 18
Vcc
BTL
Driver
BTL
Driver
4 5 6 7
Vo1 Vo2 GND Vo3
Vref
8
REG
1 5
IN2 GND
Vo5 VG3 VIN3 CD RES
17 16 15 14 13
11k
BTL Level
RESET
Driver Sift
BTL Level
Regulator
Driver Sift
11k
8 9 10 11 12
Vo4 VG2 VIN2 Reg OUT Reg IN
6 Vs
OUT1
7
3 OUT2