Sony DVP-NS72HP / DVP-NS77H / DVP-NS77HP / DVP-NS78H / DVP-NS78HP Service Manual ▷ View online
2-7
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
2-7. INTERNAL VIEWS
MS-203 MOUNT
Optical Pick-Up
(Device, Optical
KHM-313CAA/C2RP/
Service Assembly)
(Device, Optical
KHM-313CAA/C2RP/
Service Assembly)
TOP VIEW
BOTTOM VIEW
2-8
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
2-8. CIRCUIT BOARDS LOCATION
IF-154 Board
(INTERFACE)
(INTERFACE)
SW-512 Board
(SWITCH BOARD)
(SWITCH BOARD)
MV-55 Board
(SYSTEM, DRIVE, VIDEO, AUDIO, POWER)
(DVP-NS72HP/NS77H/NS77HP/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56 Board
(SYSTEM, DRIVE, VIDEO, AUDIO, POWER)
DVP-NS78H: AEP,UK,RUS)
(SYSTEM, DRIVE, VIDEO, AUDIO, POWER)
(DVP-NS72HP/NS77H/NS77HP/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56 Board
(SYSTEM, DRIVE, VIDEO, AUDIO, POWER)
DVP-NS78H: AEP,UK,RUS)
Power Board
SRV2019UC (DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND)
SRV2020WW (DVP-NS78H: EXCEPT CND/NS78HP)
SRV2019UC (DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND)
SRV2020WW (DVP-NS78H: EXCEPT CND/NS78HP)
2-8E
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
E
: Latin America Model
KR : Korea Model
MX : Mexican Model
RUS : Russian Model
SP
MX : Mexican Model
RUS : Russian Model
SP
: Singapore Model
TH : Thailand Model
The components identified by
mark or dotted line with mark
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.
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
SRV2020WW
(DVP-NS78H: EXCEPT CND/NS78HP)
SRV2019UC
(DVP-NS72HP/NS77H: US/
NS77HP: MX/NS78H: CND)
NS77HP: MX/NS78H: CND)
EVER +5V
CEC
SPINDLE
MOTOR
MOTOR
SLED MOTOR
M
M
M
LOADING
MOTOR
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)
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)
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.
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.
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
3-2. POWER LINE BLOCK DIAGRAM
The components identified by
mark or dotted line with mark
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.
specified.
3-3
3-4
Transformer
PC101
Photo Coupler
GND
FG001
IC611
Shunt Reg
L312
P312
SW801
L512
D511
D311
L211
Q211
Q712
Q311
P.CONT
SW-10V
SW+11V
(DVP-NS78H: AEP,UK,RUS)
SW + 5V
SW + 3.3V
AU-10V
CN106
CN403
11
VCC
OPTICAL
DEVICE
EVER + 5V
POWER
EVER-10V
SW+5V
SW+3.3V
EVER+5V
EVER+11V
AU+11V
SW+8V
CN501
CN201
Q611
L421
D411
D211
2 Line
fiters
D
S
C
Bridge
Rectifier
Diode
F101
CN101
L101, L102
ACIN
1
2
T101
3
1
8
9
10
17 13 12
1
+5V POWER
6
5
4
3
1
8
9
10
6
5
4
P311
SWITCHING REGULATOR
(SRV2020WW) (DVP-NS78H: EXCEPT CND/NS78HP: E,BR)
(SEE PAGE 4-35 to 4-36)
(SRV2019UC) (DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND)
(SEE PAGE 4-31 to 4-32)
(SEE PAGE 4-35 to 4-36)
(SRV2019UC) (DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND)
(SEE PAGE 4-31 to 4-32)
MV-55 BOARD
(DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56 BOARD
(DVP-NS78H: AEP,UK,RUS)
(SEE PAGE 4-13 to 4-14)
Video Buffer
IC304
Video Buffer
IC305
3.3V Reg
IC105/107/111
MTK IC
IC101
1.8V Reg
IC110
5V Reg
IC109
SDRAM
IC104
EEPROM
IC103
RESET IC
IC108
Coaxial Out
Q411
Coaxial Out
IC406
FLASH ROM
IC102
MUTE DRIVER
D401
Q501
-5V Reg
IC303
Motor Driver
IC201
FLD
ND401
F1
F2
VKK
DC-DC CONV
Audio AMP
IC401
Q401
Q416
(DVP-NS78H: AEP,UK,RUS)
IPD
IC101
5
T401
IR RECEIVER
IC406
RESET IC
IC408
3.3V Reg IC
IC407
IF MICON
IC404
Q401,402
IF-154 BOARD
(SEE PAGE 4-7 to 4-8)
SW-10V
EVER+5V
PCONT
GND
FG002
6 7
PS501
PS502
Q377
VOLTAGE
DETECTOR
MV-55 (IC402)
MV-56 (IC402)
MV-56 (IC402)
18
CN101
CN102
BLUE LED
D401
Click on the first or last page to see other DVP-NS72HP / DVP-NS77H / DVP-NS77HP / DVP-NS78H / DVP-NS78HP service manuals if exist.