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6-20
1-3-2.
When the 33 MHz signal appears at CPUCK
• WAIT signal check
Observe XWAIT (pin-yj) of SYSCON (IC104) with an os-
cilloscope.
If it is fixed to “L” (0V).
cilloscope.
If it is fixed to “L” (0V).
t Observe CS2X to CS5X (pins-
y;
to yd).
If CS2X or CS3X is “L”.
t AVD (IC403) has defective sol-
dering or AVD is defective.
If CS4x or CS5X is “L”.
If CS4x or CS5X is “L”.
t ARP & SERVO (IC301) has
defective soldering or ARP & SERVO is defective.
If any one of the above is not “L”.
If any one of the above is not “L”.
t XWAIT or CSnX is
short-circuited or has the defective soldering or AVD (IC403)
is defective or ARP & SERVO (IC301) is defective.
Center voltage
is defective or ARP & SERVO (IC301) is defective.
Center voltage
t The XWAIT line has defective soldering
or is short-circuited or AVD (IC403) is defective or ARP &
SERVO (IC301) is defective or SYSCON (IC104) is defec-
tive.
SERVO (IC301) is defective or SYSCON (IC104) is defec-
tive.
• CSnX signal check
Observe CS0X to CS5X (pins-tk to yd) of SYSCON (IC104)
with an oscilloscope.
If they are fixed to “L” (0V) or if to center voltage
with an oscilloscope.
If they are fixed to “L” (0V) or if to center voltage
t Check
that the ICs do not have the defective soldering or is short-
circuited with the other signal lines or SYSCON (IC104) is
defective.
circuited with the other signal lines or SYSCON (IC104) is
defective.
CS0X: ROM (IC106 or IC107)
CS2X, CS3X: AVD (IC403)
CS4X, CS5X: ARP & SERVO (IC301)
CS2X, CS3X: AVD (IC403)
CS4X, CS5X: ARP & SERVO (IC301)
If the trouble symptom does not apply to any of the above phe-
nomenon, SYSCON (IC104) or ROM (IC106 or IC107) is defec-
tive.
nomenon, SYSCON (IC104) or ROM (IC106 or IC107) is defec-
tive.
2. Test mode menu is displayed but the machine stops
when menu is selected
2-1. AVD (IC403) check
when menu is selected
2-1. AVD (IC403) check
Observe SDCLKO (pin-<zxm ) of AVD (IC403) with an oscillo-
scope.
95 MHz
scope.
95 MHz
t No problem
27 MHz
t Observe the XRST, HA, HD, XRD, XWRH INT
and CS signal waveform at the respective pins of AVDEC,
AVD (IC403) is defective.
If the signal is other than the above frequencies
AVD (IC403) is defective.
If the signal is other than the above frequencies
t AVD
(IC403) 27MHz signal line (CLKI (pin-<zb, ), SCLKIN (pin-
<zn/
<zn/
)) is short-circuited, IC mount is defective, AVD (IC403) is
defective, PLL (IC103) is defective.
2-2. INT signal check
Observe INT0 to 2 (pins-qh to qk) of SYSCON (IC104) with
an oscilloscope.
If they are fixed to “L” (0V) or fixed to the center voltage
an oscilloscope.
If they are fixed to “L” (0V) or fixed to the center voltage
t
Check that the ICs do not have the defective soldering, or are
short-circuited, SYSCON (IC104) is defective, or the follow-
ing ICs are not defective.
short-circuited, SYSCON (IC104) is defective, or the follow-
ing ICs are not defective.
INT0: AVD (IC403)
INT1, INT2: ARP & SERVO (IC301)
INT1, INT2: ARP & SERVO (IC301)
2-3. If any abnormality cannot be confirmed by the
above-described checks, check the CS signal that
is currently output.
is currently output.
The CS signal other than CS0X is being output.
t IC mount
is defective or the IC is defective depending on the moving
CS signal.
CS signal.
CS2X, CS3X: AVD (IC403)
CS4X, CS5X: ARP & SERVO (IC301)
CS4X, CS5X: ARP & SERVO (IC301)
If the trouble is not applicable to any of the above phenomenon,
SYSCON (IC104) or ROM (IC106 or IC107) is defective.
SYSCON (IC104) or ROM (IC106 or IC107) is defective.
3. If the message “SDSP No Ack” appears after the menu
is displayed.
3-1. ARP & SERVO clock signal check
Check frequency of CLKIN (pin-<zb/ )
33 MHz
33 MHz
t Normal
Frequency other than 33 MHz
t CLKIN is short-circuited
or defective soldering or PLL (IC103) is defective or ARP &
SERVO (IC301) is defective
SERVO (IC301) is defective
3-2. ARP & SERVO (IC301) PLL oscillation check
Observe PLCKO (pin-ij) of ARP & SERVO (IC301) with an
oscilloscope.
If the pin is fixed to either “L” (0V) or “H” (3.3V).
oscilloscope.
If the pin is fixed to either “L” (0V) or “H” (3.3V).
If XRST if fixed to “L”. XRST has the defective solder-
ing, In all other cases. ARP & SERVO (IC301) is defec-
tive
ing, In all other cases. ARP & SERVO (IC301) is defec-
tive
If it is oscillating.
HA [0 to 7] are HD [8 to 15] are short-circuited, check
XSDSPIT and XSDSPCS or ARP & SERVO (IC301) is
defective.
XSDSPIT and XSDSPCS or ARP & SERVO (IC301) is
defective.
4. If trouble occurs at the specific item of the “Diag All
Check”.
IC mount of the NG item is defective or IC is defective.
5. Picture and audio are not output.
Check connection of CN601
Check for the defective connection of flat cable and check of
damage of the flat cable.
Check for the defective connection of flat cable and check of
damage of the flat cable.
6. Picture is output but audio is not output.
Check the audio data output (at pins-wf, wk, and wl) of AVD
(IC403)
(IC403)
The audio data is not output.
t AVD (IC403) or audio
DAC (IC601) mount is defective or power supply is defec-
tive or AVD (IC403) or audio DAC (IC601) is defective.
tive or AVD (IC403) or audio DAC (IC601) is defective.
PLL (IC103) 512fs output check
If the frequency or waveform has abnormality.
t The sig-
nal line has defective soldering or the signal line is short-
circuited with other signal lines or PLL (IC103) is defec-
tive.
circuited with other signal lines or PLL (IC103) is defec-
tive.
7. Audio is output but picture is not output.
Observe pins-tg, tj, tl, ya, yd and yg of AVD (IC403) with
an oscilloscope.
If the analog signal is not output.
an oscilloscope.
If the analog signal is not output.
t The signal line has the
defective soldering or is short-circuited or parts are defective
or AVD (IC403) is defective.
or AVD (IC403) is defective.
6-11-3. Drive Auto Adjustment stops due to error.
The ARP & SERVO (IC301) analog circuit of MB-103 board is
defective or RF-Amp (IC201) or M-Driver (IC202) peripheral cir-
cuit is defective or optical pickup block is defective or flat cable
connection is defective
The ARP & SERVO (IC301) analog circuit of MB-103 board is
defective or RF-Amp (IC201) or M-Driver (IC202) peripheral cir-
cuit is defective or optical pickup block is defective or flat cable
connection is defective
6-21
6-11-4. The product itself is defective.
• If MB103 does not have any problem,
• If MB103 does not have any problem,
The board other than MB-103 board is defective or connec-
tion is defective or optical pickup block is defective or mecha-
nism deck is defective
tion is defective or optical pickup block is defective or mecha-
nism deck is defective
1. Power LED does not light in Red when the AC power
is turned on.
Check the EVER –13V (pin-3), EVER+3.3V (pin-qa),
EVER+11V (pin-qd) voltage of the power supply block
CN201.
If voltage is abnormal.
EVER+11V (pin-qd) voltage of the power supply block
CN201.
If voltage is abnormal.
t The power supply block is defec-
tive.
2. Power LED does not light in green after transmitting
the POWER on command. It remains lighting in red (in
the STANDBY mode).
the STANDBY mode).
2-1. Check the EVER -13V (pin-3), EVER+3.3V (pin-qa),
EVER+11V (pin-qd) voltage at CN201 of the power
supply block/
supply block/
If voltage is abnormal.
t The power supply block is defec-
tive.
2-2. Check if the fuse on the IF board has blown of not.
If the fuse has blown
t Replace the fuse.
2-3. Check the P-CONT (pin-2) at CN401 of the IF-89
board when the POWER button is pressed.
If it remains at “L”,
t The signal line has the defective soldering or it is short-
circuited with other signal lines or capacitor or resistor is de-
fective or IFCON is defective or connection between the power
supply block and the IF-89 board is defective, or connector
installation is defective, or the power supply block is defec-
tive.
t The signal line has the defective soldering or it is short-
circuited with other signal lines or capacitor or resistor is de-
fective or IFCON is defective or connection between the power
supply block and the IF-89 board is defective, or connector
installation is defective, or the power supply block is defec-
tive.
2-4. Check if the button is kept depressed in the IFCON
self mode.
If the button is kept depressed.
t The front panel is defec-
tive, or IF-89 board is defective.
2-5. Check PONCHK (pin-e;) of IFCON (IC404) on the IF-
89 board.
If it is 0.5 V or more.
t The power supply is defective, or IF-
89 board is defective.
3. Power LED becomes red (STANDBY mode) in at once
through Power LED lights in Green once when the
POWER button is pressed.
POWER button is pressed.
3-1. Check CN201 voltage of the power supply block
when the LED lights in green.
If voltage is abnormal.
t The power supply block is defec-
tive, or the IF-89 board is defective, or MB103 is defective
3-2. Check XFRRST (pin-8) at CN101 on the MB-103
board.
If it is fixed to “L”.
t The signal line has defective solder-
ing, or is short-circuited with other signal lines, or parts are
defective.
defective.
3-3. Check IFBSY (pin-5), XIFCS (pin-6), SI0 (pin-4),
SO0 (pin-1) and SC0 (pin-3) at CN101
If they are fixed to “H” or “L”.
t The signal line has defective soldering, or is short-cir-
cuited with other signal line, or parts are defective, or
SYSCON (IC104) is defective
If they change between “L/H”.
Connector installation is defective, or the IF-89 board is de-
fective, or SYSCON (IC104) is defective.
If they stay in the center voltage.
Poor connection of flexible wiring board such as it is inserted
in an angle diagonally, or defective soldering, or is short-cir-
cuited with other signal line.
t The signal line has defective soldering, or is short-cir-
cuited with other signal line, or parts are defective, or
SYSCON (IC104) is defective
If they change between “L/H”.
Connector installation is defective, or the IF-89 board is de-
fective, or SYSCON (IC104) is defective.
If they stay in the center voltage.
Poor connection of flexible wiring board such as it is inserted
in an angle diagonally, or defective soldering, or is short-cir-
cuited with other signal line.
3-4. Check PONCHK (pin-e;) of IFCON (IC404) on the
IF-89 board.
If rise-up time from 0.5 V to 1.5 V or more takes longer time,
or it does not exceed 1.5 V or more.
or it does not exceed 1.5 V or more.
t The IF board is defec-
tive.
4. The LED lights in green but the FL display does not
light when the POWER button is pressed.
Connection between the power supply block and the IF-89
board is defective, or connector installation is defective, or
the IF-89 board is defective.
board is defective, or connector installation is defective, or
the IF-89 board is defective.
5. Both picture and audio are not output.
Connection between the power supply block and the IF-89
board is defective, or connection between the IF-89 board and
the AV-61 board is defective, or connection between the AV-
61 board and the MB-103 board is defective, or connector
installation is defective, or AV-61 board is defective.
board is defective, or connection between the IF-89 board and
the AV-61 board is defective, or connection between the AV-
61 board and the MB-103 board is defective, or connector
installation is defective, or AV-61 board is defective.
6. Picture is not normal. (Block noise or others appear.)
The MB-103 board AVD (IC403) or SDRAM (IC404, IC405)
is defective, or ARP & SERVO (IC301) is defective.
is defective, or ARP & SERVO (IC301) is defective.
7-1
DVP-NS305/NS310/NS315/NS405/NS410/NS415
SECTION 7
ELECTRICAL ADJUSTMENT
In making adjustment, refer to 7-3. Adjustment Related
Parts Arrangement.
Parts Arrangement.
This section describes procedures and instructions necessary for
adjusting electrical circuits in this unit.
adjusting electrical circuits in this unit.
Instruments required:
1)
1)
Color monitor TV
2)
Oscilloscope 1 or 2 phenomena, band width over 100 MHz,
with delay mode
with delay mode
3)
Frequency counter (over 8 digits)
4)
Digital voltmeter
5)
Standard commander (RMT-D126J)
6)
DVD reference disc
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
HLX-504 (J-6090-088-A) (single layer)
HLX-505 (J-6090-089-A) (dual layer)
HLX-501 (J-6090-071-A) (dual layer)
HLX-503 (J-6090-069-A) (single layer)
HLX-504 (J-6090-088-A) (single layer)
HLX-505 (J-6090-089-A) (dual layer)
7)
SACD reference disc
HLXA-509 (J-6090-090-A)
HLXA-509 (J-6090-090-A)
8)
Extension Cable (J-6090-107-A)
7-1. POWER SUPPLY CHECK
ETXNY381E2F: NS305:AEP, UK, RU/NS310/
NS405/NS410
ETXNY381N2F: NS305:ME2, EA, ME5, AUS, HK,
SP, KR/NS315:AR/NS415:ME2,
AUS
AUS
HS11S1U:
NS305:TW/NS315:US, CND, MX/
NS415:US, CND
NS415:US, CND
HS11S1F:
NS315:PX, E, BR
Mode
E-E
Instrument
Digital voltmeter
EVER +3.3 V Check
Test point
CN201 (SN845GPU Board: CN920) pin qa
Specification
3.5 ± 0.2 Vdc
SW +3.3 V Check
Test point
CN201 (SN845GPU Board: CN920) pin 8
Specification
3.3 ± 0.2 Vdc
+5 V Check
Test point
CN201 (SN845GPU Board: CN920) pin qs
Specification
5.0 ± 0.3 Vdc
SW +11 V Check
Test point
CN201 (SN845GPU Board: CN920) pin 6, 7
Specification
11.0 ± 1.0 Vdc
EVER +11 V Check
Test point
CN201 (SN845GPU Board: CN920) pin qd
Specification
11.0 ± 1.0 Vdc
EVER –13 V Check
Test point
CN201 (SN845GPU Board: CN920) pin 3
Specification
–13.0 ± 1.0 Vdc
Checking method:
1)
1)
Confirm that each voltage satisfies the specification.
Note
Because the heatsink installed on the power supply board is a part of the
primary side, never touch it to avoid electrical shock.
Because the heatsink installed on the power supply board is a part of the
primary side, never touch it to avoid electrical shock.
•
Abbreviation
CND : Canadian model
RUS : Russian model
HK
CND : Canadian model
RUS : Russian model
HK
: Hong Kong model
KR
: Korea model
TW
: Taiwan model
EA
: Saudi Arabia model
SP
: Singapore model
ME
: Middle East model
AUS : Australian model
MX : Mexico model
AR
MX : Mexico model
AR
: Argentina model
BR
: Brazilian model
7-2
7-2. ADJUSTMENT OF VIDEO SYSTEM
1.
Video Level Adjustment (MB-103 BOARD)
<Purpose>
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or too small.
This adjustment is made to satisfy the NTSC standard, and if not
adjusted correctly, the brightness will be too large or too small.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
LINE OUT (VIDEO) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Adjusting element
RV501
Specification
1.0
+0.04
Vp-p
–0.02
Adjusting method:
1)
1)
In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
so that color bars are generated.
2)
Adjust the RV401 to attain 1.0
+0.04
Vp-p.
–0.02
Fig.7-1.
2.
Checking S Video Output S-Y
<Purpose>
Check S-terminal video output. If it is incorrect, pictures will not
be displayed correctly in spite of connection to the TV with a S-
terminal cable.
Check S-terminal video output. If it is incorrect, pictures will not
be displayed correctly in spite of connection to the TV with a S-
terminal cable.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-Y) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Checking method:
1)
1)
In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
so that color bars are generated.
2)
Confirm that the S-Y level is 1.0 ± 0.05 Vp-p.
Fig. 7-2.
3.
Checking S Video Output S-C
<Purpose>
This checks whether the S video output S-C satisfies the NTSC
standard. If it is not correct, the colors will be too dark or too light.
This checks whether the S video output S-C satisfies the NTSC
standard. If it is not correct, the colors will be too dark or too light.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
S VIDEO OUT (S-C) connector
(75
(75
Ω terminated)
Instrument
Oscilloscope
Specification
286 ± 30 mVp-p
Checking method:
1)
1)
In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
so that color bars are generated.
2)
Confirm that the S-C burst is 286 ± 30 mVp-p
Fig. 7-3.
4.
Checking Component Video Output Y
<Purpose>
This checks component video output Y. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
This checks component video output Y. If it is incorrect, correct
brightness will not be attained when connected to, for instance,
projector.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
COMPONENT VIDEO OUT (Y)
connector, D1 VIDEO OUT connector,
Pin 1 (75
connector, D1 VIDEO OUT connector,
Pin 1 (75
Ω terminated)
Instrument
Oscilloscope
Specification
1.0 ± 0.05 Vp-p
Checking method:
1)
1)
In the test mode initial menu “6” Video Level Adjustment, set
so that color bars are generated.
so that color bars are generated.
2)
Confirm that the Y level is 1.0 ± 0.05 Vp-p.
Fig. 7-4.
1.0 Vp-p
+0.04
–0.02
–0.02
1.0
±
0.05 Vp-p
286
±
30 mVp-p
1.0
±
0.05 Vp-p
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