DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
SECTION 3
BLOCK DIAGRAMS
3-1. OVERALL BLOCK DIAGRAM
3-1
3-2
• Abbreviation
BR
: Brazilian Model
CND : Canadian Model
E
: Latin America Model
KR : Korea Model
MX : Mexican Model
RUS : Russian Model
SP
: Singapore Model
TH : Thailand Model
The components identified by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.
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
VIDEO
BUFFER
VIDEO
BUFFER
MICROPROCESSOR
RF AMP
SERIAL BUS
3.3V
REGULATOR IC
VFD DRIVER
CIRCUIT
SW-10V
SWITCHING REGULATOR
SRV2020WW
(DVP-NS78H: EXCEPT CND/NS78HP)
SRV2019UC
(DVP-NS72HP/NS77H: US/
NS77HP: MX/NS78H: CND)
EVER +5V
CEC
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-154 BOARD
(SEE PAGE 3-15 to 3-16)
SW-512 BOARD
BASE UNIT
(DEVICE, OPTICAL
KHM-313CAA/C2RP)
POWER LINE
(SEE PAGE 3-3 to 3-4)
MV-55 BOARD
(DVP-NS72HP/NS77H/NS77HP: MX/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56 BOARD
(DVP-NS78H: AEP,UK,RUS)
(SEE PAGE 3-5 to 3-6)
IC201
IC101
IC102
IC103
RESET IC
IC408
LED
INDICATOR
D401
KEY
FUNCTION
IR RECEIVER
VFD
ND401
IC407
IF
MICON
IC404
IC304
MUTE DRIVER
Q402
D402
IC406
J301
J401
IC305
IC108
SDRAM
IC104
IC406
(DVP-NS72HP/NS77H: US/NS77HP: MX/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
(DVP-NS78H: AEP,UK,RUS)
CN301
AUDIO/VIDEO
OUTPUT
J301
AUDIO/VIDEO
OUTPUT
J302
AUDIO/VIDEO
OUTPUT
MUTE DRIVER
Coaxial out
Coaxial out
(DVP-NS72HP/NS77H: US/
NS77HP: MX/
NS78H: CND,SP,KR,TH/
NS78HP: E,BR)
(DVP-NS72HP/NS77H: US/
NS77HP: MX/
NS78H: CND,SP,KR,TH/
NS78HP: E,BR)
CN102
HDMI out
Optical out
!
!
(DVP-NS78H: AEP,UK,RUS)
(DVP-NS78H: AEP,UK,RUS)
DDC
TMDS
Notes:
Special keys have been written in
IC103 (HDCP & CPRM keys) and
therefore the IC103 cannot be replaced.
If this IC is faulty, replace the board entirely.