Block Diagrams; Overall Block Diagram - Sony DVP-K88P Service Manual

BLOCK DIAGRAMS

3-1. OVERALL BLOCK DIAGRAM

SWITCHING REGULATOR
SRV1872WW
!
!
TRANSFORMER
O/I POWER
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.
SECTION 3
SW-493 BOARD
(SEE PAGE 3-13 to 3-14)
KEY
FUNCTION
ND401
VFD
VFD DRIVER
Vkk
CIRCUIT
IC404
EVER 3.3V
IF
MICON
IC407
3.3V
REGULATOR IC
EVER +5V
MEMORY
EVER-10V
EVER+5V
SW+8V
SW+5V
SW+3.3V
EVER+11V
P-CONT
IC104
SDRAM
3-1
IC406
MC-174 BOARD
(SEE PAGE 3-11 to 3-12)
IR RECEIVER
IC503
MIC MIX
AMP
IC504
MIC
IC408 LIMITTER
AMP
RESET IC
Q402
MUTE DRIVER
IC304
IC102
IC103
VIDEO
BUFFER
FLASH
EEPROM
GAIN
CONTROL
SERIAL BUS
MICROPROCESSOR
IC108
IC101
RESET IC
D402
MUTE DRIVER
RF AMP
IC405 J301
Optical out Coaxial out
MIC 1
IC502 IC501
MIC VOL MIC AMP
AMP MIC 2
RV501
RV502
MIC VR
BASE UNIT
(DEVICE, OPTICAL
KHM-313CAA/C2RP)
J301
AUDIO/VIDEO
OUTPUT
SENSOR
IC402
AUDIO MIX
AMP
IC401
AUDIO AMP
TRACKING
IC201
FOCUS
TRACKING COIL
DRIVE
M
SPINDLE/SLED
/LOADING
MOTOR DRIVE
M
M
CHUCK/TRAY
3-2
DVP-K88P/K88PM
INLIMIT
DVD/CD
PDIC
FOCUS
COIL
COIL
SPINDLE
MOTOR
SLED MOTOR
LOADING
MOTOR
DETECT
The components identified by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.