- 4 -
General operation diagram
PCK UP
SPINDLE
MOT
OR
SLED
MOT
OR
LOADING
MOT
OR
Mechanism SW (OPEN, CLOSE,
The internal circumferenceLIMIT)
MLD1, 2
SLD1, 2
F0
±
, TR
±
LCD1, LCD2
LD, MD, VR, HFM
A, B, C, D, E, F
VCC, VC, GND
ACT
.
I / V
LD
RF
AMP
SpindleDR
V
.
4ch DR
V
.
IC501
T
A1254AF
IC602
BA6849
IC601
BA5931
5V
VR
2VR
2.1V
4.2V
9V
9V
AMP
AMP
FOO, TRO,
FMO
DVR
2.1 / 1.65
LD1, LD2
EQB, EQF (Equalizer
Ajust.)
TE, RPO, RPZ, L
V
L
RF (CD)
DMO
_
CD
IC701
TC9461F
16.9 MHz
5V
5V
IC801
TC90A41F
27 MHz
3.3V
Servo, DSP
CDdecoder
DVDdecoder
RF (DVD)
DVR
PWM Out
DVO
_
DVD
MICOM
FLASH
MEMOR
Y
VCD
16.9 MHz
384 Fs
HRST
from BACK END
from BACK END
FE
SCD, SCL, SCB,
*
FRST
,
CD/
*
DVD, DPCTL, LCSW
DVD/
*
CD,
*
FRST
,
SPDL-FG
IC802
TC6815
*
CS3, (
*
CS2),
*
SWR,
*
INTDEC,
*
RD,
*
FRST
,
(
*
RDY), (BCLK),
D0 - D1,
A0 -
A1
FLGA, FLGB, FLGC, FLGD,
*
CCE,
BUCK, BUS0, BUS1, BUS2, BUS3,
*
FRST(
*
RST), SLD-LK, SBOK,
SBSY
, SLD-LOCK
*
ROM,
*
RD
D0 - D7,
A0 -
A1
1
DVD P.W.BOARD OPERATION
This is a basic explanation.
Summary of Contents for FISHER DVD-1500 AU
Page 44: ... 57 MPEG P W BOARD CHECK WAVEFORM 8 9 10 11 12 ...
Page 65: ... 82 WIRING DIAGRAM DVD A SIDE ...
Page 66: ... 83 WIRING DIAGRAM DVD B SIDE ...
Page 67: ... 86 WIRING DIAGRAM MPEG A SIDE for AU ...
Page 68: ... 87 WIRING DIAGRAM MPEG B SIDE for AU ...
Page 69: ... 90 WIRING DIAGRAM MPEG A SIDE for US ...
Page 70: ... 91 WIRING DIAGRAM MPEG B SIDE for US ...
Page 72: ... 97 AMP for AU WIRING DIAGRAM AMP AMP for US ...
Page 74: ...SANYO Technosound Co Ltd Osaka Japan Jun 00 2550 BB Printed in Japan ...