Sony DVP-NS72HP / DVP-NS77H / DVP-NS77HP / DVP-NS78H / DVP-NS78HP Service Manual ▷ View online
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
3-7. AUDIO BLOCK DIAGRAM
3-13
3-14
L
R
R426
R427
MV-55 BOARD (DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND,SP,KR,TH/NS78HP: E,BR)
(SEE PAGE 4-21 to 4-22)
MV-56 BOARD (DVP-NS78H: AEP,UK,RUS)
(SEE PAGE 4-23 to 4-24)
(SEE PAGE 4-21 to 4-22)
MV-56 BOARD (DVP-NS78H: AEP,UK,RUS)
(SEE PAGE 4-23 to 4-24)
SYSTEM CONTROL/
SIGNAL PROCESSOR
(SEE PAGE 3-5 to 3-6)
AL
AR
SPDIF
J301
J302
OPTICAL
COAXIAL
XA MUTE
+
–
+
–
D IN
1
7
R
L
1
SYSTEM CONTROL/
SIGNAL PROCESSOR
(SEE PAGE 3-5 TO 3-6)
AUDIO
AMPLIFIER
IC401
2
3
5
6
SW+3.3V
XMAMUTE
MUTE
Q413
MUTE
Q412
D402
Voltage
Detector V out
IC402
MUTE DRIVER
MUTE
Q407
BUFFER
Q411
MUTE
Q408
IC406
DIGITAL
OUTPUT
OUTPUT
1
LINE OUT ANALOG
AUDIO
LINE OUT ANALOG
AUDIO
(DVP-NS78H:
AEP,RUS,UK)
AEP,RUS,UK)
J401
(DVP-NS78H: AEP,RUS,UK)
(DVP-NS72HP/NS77H: US/NS77HP: MX/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
(DVP-NS72HP/NS77H: US/NS77HP: MX/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
Q402, Q405, Q417
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
3-8. INTERFACE CONTROL BLOCK DIAGRAM
3-15
3-16E
ND402
FLUORESCENT
INDICATOR
TUBE
3.3V
REGULATOR
IC407
IR
VCC
VDD
/RST
VKK
53
69
70
77
EVER+3.3V
EVER+3.3V
EVER+3.3V
SW-10V
1~2
31~32
SEG 1-17
DIG 1-8
AD1
AD2
XIN
XOUT
SYSRST
/CS
SI
SO
/SC
/AMUTE
/VMUTE
BUSY
PCONT
POWER
O/C
SYSRST
EVER+5V
SW-10V
XIFCS
SOO
SIO
SCO
A-MUTE
V-MUTE
XIFBUSY
PCONT
POWER-SWITCH
CN402
CN402
CN001
X401
8MHz
8MHz
4
5
7
CEC 19
78
5
11
8
40
14
15
16
17
23
24
27
26
37
35
34
36
2
3
IF-154 BOARD
(SEE PAGE 4-7 to 4-8)
CEC
IR
RECEIVER
IC406
3
1
RESET
VFD DRIVER
CIRCUIT
IC408
2
1
5
15
16
14
11
12
9
4
8
13
6
3
1
SYSTEM CONTROL
MV-55/56
(SEE PAGE 3-5 to 3-6)
~
~
IC404
IF MICON
4,6,7,9,10,12,13,16,17,
19,20,22,23,24,26,27,29
5,8,11,14,18,
21,25,28
OPEN/CLOSE
STOP
5
4
3
PLAY
SW-512 BOARD
(SEE PAGE 4-27 to 4-28)
PROG
1
2
3
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
1
A
B
C
D
E
F
G
H
I
2
12
13
11
10
9
8
7
6
5
4
3
14
15
SECTION 4
PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
4-1
4-2
FRAME SCHEMATIC DIAGRAM
4-1. FRAME SCHEMATIC DIAGRAM
(SRV2019UC)
(DVP-NS72HP/NS77H: US/NS77HP: MX/NS78H: CND)
(SRV2020WW)
(DVP-NS78H: EXCEPT CND/NS78HP: E,BR)
MV-55
(DVP-NS72HP/NS77H: US/NS77HP: MX/
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
NS78H: CND,SP,KR,TH/NS78HP: E,BR)
MV-56
(DVP-NS78H: AEP,UK,RUS)
DVP-NS72HP/NS77H/NS77HP/NS78H/NS78HP
For printed wiring boards:
•
•
: indicates a lead wire mounted on the component
side.
•
: indicates a lead wire mounted on the printed side.
• a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen
from
(Side A)
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
THIS NOTE IS COMMON FOR WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block)
(In addition to this, the necessary note is printed in each block)
WAVEFORMS
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)
MV-56 BOARD (DVP-NS78H:AEP,UK,RUS)
4-3
4-4
WAVEFORMS
MV-55/56
0.7Vp-p
IC101 C/BAR PB
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
10
183
0.7Vp-p
IC101 C/BAR PB
(For MV-56 BOARD ONLY)
(For MV-56 BOARD ONLY)
11
182
0.7Vp-p
IC101 C/BAR PB
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
9
185
H
0.7Vp-p
IC101 C/BAR PB
8
182
0.7Vp-p
H
IC101 C/BAR PB
7
183
200nsec
(0.5Vp-p to
1.1Vp-p)
IC101 (CD PB)
1
10
100nsec
(0.65Vp-p to
1.48Vp-p)
IC101 (DVD PB)
2
10
H
286 mVp-p
(NTSC)
300 mVp-p
(PAL)
(NTSC)
300 mVp-p
(PAL)
IC101 C/BAR PB (For MV-55/56,
If MV-56 BOARD, change to S-Video Mode)
If MV-56 BOARD, change to S-Video Mode)
3
189
1Vp-p
H
IC101 C/BAR PB (For MV-55/56,
If MV-56 BOARD, change to S-Video Mode)
If MV-56 BOARD, change to S-Video Mode)
4
191
1Vp-p
H
IC101 C/BAR PB
5
187
1Vp-p
H
IC101 C/BAR PB
6
185
IC101
12
238
3.3Vp-p
135MHz
IC101
13
146
1.4Vp-p
H
IC304 C/BAR PB (MV-55 BOARD ONLY)
14
21
IC305 C/BAR PB (MV-56 BOARD ONLY)
21
IC305 C/BAR PB (MV-56 BOARD ONLY)
23
1.4Vp-p
H
IC304 C/BAR PB (MV-55 BOARD ONLY)
15
23
H
2.0Vp-p
IC304 C/BAR PB (MV-55 BOARD ONLY)
16
25
IC305 C/BAR PB (MV-56 BOARD ONLY)
25
H
2.0Vp-p
IC304 C/BAR PB (MV-55 BOARD ONLY)
17
27
IC304 C/BAR PB (S-VIDEO MODE)
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
32
H
2.0Vp-p
IC304 C/BAR PB (MV-55 BOARD ONLY)
18
29
IC305 C/BAR PB (MV-56 BOARD ONLY)
29
IC304 C/BAR PB (VIDEO MODE &
RGB MODE) (MV-56 BOARD ONLY)
RGB MODE) (MV-56 BOARD ONLY)
32
H
572mVp-p (NTSC)
600mVp-p (PAL)
600mVp-p (PAL)
IC304 C/BAR PB (MV-55 BOARD ONLY)
19
31
IC304 C/BAR PB (S-VIDEO MODE)
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
30
IC304 C/BAR PB (RGB MODE)
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
1.4Vp-p
21
27
IC304 C/BAR PB (RGB MODE)
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
1.4Vp-p
22
25
IC304 C/BAR PB (RGB MODE)
(MV-56 BOARD ONLY)
(MV-56 BOARD ONLY)
1.4Vp-p
20
30
1.9Vp-p
27MHz
For schematic diagrams:
• All capacitors are in µF unless otherwise noted. pF : µµF.
• All capacitors are in µF unless otherwise noted. pF : µµF.
50V or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in ohms, 1/4W (Chip resistors : 1/10W)
un-less otherwise specified.
k
k
Ω = 1000Ω, MΩ = 1000kΩ.
• Caution when replacing chip parts.
New parts must be attached after removal of chip.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
Be careful not to heat the minus side of tantalum capacitor,
because it is damaged by the heat.
• All variable and adjustable resistors have characteristic
curve B, unless otherwise noted.
•
: non flammable resistor.
•
: fusible resistor.
•
: panel designation.
•
f
: internal component.
•
: adjustment for repair.
• Circled numbers refer to waveforms.
• Voltages are dc between measurement point.
• Readings are taken with a color-bar signal on DVD refer-
• Voltages are dc between measurement point.
• Readings are taken with a color-bar signal on DVD refer-
ence disc and when playing CD reference disc.
• Readings are taken with a digital multimeter (DC 10M
Ω).
• Voltage variations may be noted due to normal production
tolerances.
When indicating parts by reference
number, please include the board
name.
Note:
The components identified by
mark or dotted line with mark
The components identified by
mark or dotted line with mark
are critical for safety.
Replace only with part number
specified.
specified.
• Abbreviation
BR : Brazilian Model
CND : Canadian Model
E
: Latin America Model
MX : Mexican Model
KR : Korea Model
RUS : Russian Model
SP : Singapore Model
TH : Thailand Model
KR : Korea Model
RUS : Russian Model
SP : Singapore Model
TH : Thailand Model
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