DVP-K88P
/K88PM
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1
3-2
FLASH
MEMORY
EEPROM
RESET IC
P-CONT
O/I POWER
TRANSFORMER
SECONDARY
PRIMARY
SW+8V
SW+5V
SW+3.3V
EVER-10V
EVER+5V
EVER+11V
FOCUS
TRACKING COIL
DRIVE
SPINDLE/SLED
/LOADING
MOTOR DRIVE
IC401
AUDIO AMP
GAIN
CONTROL
VIDEO
BUFFER
MICROPROCESSOR
RF AMP
SERIAL BUS
3.3V
REGULATOR IC
VFD DRIVER
CIRCUIT
KEY
FUNCTION
SW-10V
SWITCHING REGULATOR
SRV1872WW
EVER +5V
SPINDLE
MOTOR
SLED MOTOR
M
M
M
LOADING
MOTOR
DVD/CD
PDIC
FOCUS
COIL
TRACKING
COIL
CHUCK/TRAY
DETECT
INLIMIT
SENSOR
Vkk
EVER 3.3V
IF-150 BOARD
(SEE PAGE 4-5 to 4-8)
BASE UNIT
(DEVICE, OPTICAL
KHM-313CAA/C2RP)
POWER LINE
(SEE PAGE 3-3 to 3-4)
MV-52 BOARD
(SEE PAGE 3-5 to 3-12)
IC201
IC101
IC102
IC103
RESET IC
IC408
IR RECEIVER
VFD
ND401
IC407
IF
MICON
IC404
IC304
MUTE DRIVER
Q402
D402
IC405
J301
IC108
SDRAM
IC104
IC406
J301
AUDIO/VIDEO
OUTPUT
IC402
AUDIO MIX
AMP
MUTE DRIVER
Optical out
Coaxial out
!
!
SW-493 BOARD
(SEE PAGE 3-13 to 3-14)
MIC
LIMITTER
AMP
MC-174 BOARD
(SEE PAGE 3-11 to 3-12)
MIC VR
RV501
RV502
MIC VOL
AMP
MIC MIX
AMP
IC503
IC504
IC502
MIC AMP
IC501
MIC 1
MIC 2
The components identified by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.
Notes:
MV-52 mounted PWB must be replaced if
IC103 (EEPROM IC) is damaged or not functioning.
The old MV-52 mounted PWB must be completely disposed.