DOWNLOAD Sony DVP-PQ2 (serv.man2) Service Manual ↓ Size: 6.1 MB | Pages: 79 in PDF or view online for FREE

Model
DVP-PQ2 (serv.man2)
Pages
79
Size
6.1 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-pq2-sm2.pdf
Date

Sony DVP-PQ2 (serv.man2) Service Manual ▷ View online

6-9
– The following commands are valid for DVD-DL disc only –
5
 Fj (L1 
t L0)
Focus jump forward.
(Trk/Sled Servo OFF)
%
 Fj (L0 t L1)
Focus jump reverse.
(Trk/Sled Servo OFF)
$
 Lj (L1 
t L0)
Layer jump forward.
(Trk/Sled Servo ON)
4
 Lj (L0 
t L1)
Layer jump reverse.
(Trk/Sled Servo ON)
4. Manual Adjustment
Manual Adjustment:Up/Down
1. TRK. Offset
2. Focus Gain
3. TRK. Gain
4. Focus Offset
5. Focus Balance
6. L.F. Offset
7. Analog FRSW
8. PLL Dac Gain
9. EQ BOOST
0. GD ADJ
Adjustment: Up/Down
SA. ------ SI. -- EMG. 00
DVD SL 12cm            Jitter FF
On this screen, each item can be adjusted manually. Select the
desired number 
[1]
 to 
[0]
 from the remote commander, and cur-
rent setting for the selected item will be displayed, then increase
or decrease numeric value with 
$
 key or 
4
 key. This value is
stored in the EEPROM. If CLV has been applied, the jitter is dis-
played for reference for the adjustment.
[1]
TRK. Offset
Adjusts tracking offset.
[2]
Focus Gain
Adjusts focus gain.
[3]
TRK. Gain
Adjusts track gain.
[4]
Focus Offset
Adjusts focus offset.
[5]
Focus Balance
Adjusts focus balance.
[6]
L.F. Offset
Adjusts loop filter offset.
[7]
Analog FRSW
Sets the shifting switch for analog feed-
back circuit.
[8]
PLL Dac Gain
Adjusts PLL D/A converter gain.
[9] EQ BOOST
Adjusts amount of boost of equalizer.
[0]
 GD ADJ
Adjusts amount of group delay
5. Auto Adjustment
Auto Adjustment
1. Auto TRK. Offset
2. Auto Focus Balance
3. Auto Focus Offset
4. Auto Focus Gain
5. Auto TRK. Gain
6. Auto EQ
7. Auto L.F. Offset
8. Auto Group Delay
SA.------ SI.-- EMG. 00
DVD SL 12 cm
On this screen, each item can be adjusted automatically. Select the
desired number 
[1]
 to 
[8]
 from the remote commander, and se-
lected item is adjusted automatically.
[1]
Auto TRK. Offset
Adjusts tracking offset.
[2]
Auto Focus Balance Adjusts focus balance.
[3]
Auto Focus Offset
Adjusts focus offset.
[4]
Auto Focus Gain
Adjusts focus gain.
[5]
Auto TRK. Gain
Adjusts track gain.
[6]
Auto EQ
[7]
Auto L.F. Offset
Adjusts loop filter offset.
[8]
Auto Group Delay
6. Memory Check
Display images are shown as follows, and all three screens are
able to switch.
EEPROM DATA 1
-– DL -–
CD LCD
SL
L0
L1
Focus Gain
xx xx
xx
xx
xx
TRK. Gain
xx xx
xx
xx
xx
FCS Balnce
xx xx
xx
xx
xx
Focus Bias
xx xx
xx
xx
xx
TRV Offset
xx xx
xx
xx
xx
L.F. Offset
xx xx
xx
xx
xx
EQ. Boost
xx xx
xx
xx
xx
_
UP
: Last Data
DOWN : Next Data
CLEAR : Default
Set
page.1/3
EEPROM DATA 2
-– DL -–
CD LCD
SL
L0
L1
RF Jitter
xx --
xx
xx
xx
RF Level
xx --
xx
--
--
FE Level
xx --
xx
--
--
FE Balance
xx --
xx
--
--
TRV.Level
xx --
xx
--
--
TE Gain
xx xx
--
--
--
PI Level
xx --
xx
xx
--
_
UP
: Prev Data
DOWN : Next Data
CLEAR : Default
 Set
page.2/3
6-10
EEPROM DATA 3
-– DL -–
CD LCD
SL
L0
L1
Analog FRSW
xx xx
xx
xx
xx
PLL Dac Gain
xx xx
xx
xx
xx
Mirror Time
xx xx
xx
xx
xx
_  THR A&L
xx xx
xx/xx xx
xx
UP
: PREV Data
DOWN : First Data
CLEAR : Default
Set
page.3/3
On this screen, current servo adjusted data stored in the EEPROM
are displayed. The adjusted data are initialized by pressing the
[CLEAR]
 key, but be careful that they are not recoverable after
initialization.
Before clearing the adjusted data, make a note of the set data. This
screen will also appear if 
[0]
 All is selected in the Drive Auto
Adjustment. In this case, default setting cannot be made.
Data of “THR A & L” on page 3/3 can not be changed if default
set is done.
6-6.
EMERGENCY  HISTORY
### EMG. History ###
Laser Hours
CD
xxhxxm
DVD
xxhxxm
 1.
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
 2.
00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00
Select: 1-9
Scroll: UP/DOWN
(1: Last EMG.)
Exit: RETURN
On the Test Mode Menu screen, selecting 
[4]
 displays the infor-
mation such as servo emergency history. The history information
from last 1 up to 10 can be scrolled with 
$
 key or 
4
 key. Also,
specific information can be displayed by directly entering that
number with ten keys.
The upper two lines display the laser ON total hours. Data below
minutes are omitted.
Clearing History Information
Clearing laser hours
Press 
[DISPLAY]
 and 
[CLEAR]
 keys in this order.
Both CD and DVD data are cleared.
Clearing emergency history
Press 
[TOP MENU]
 and 
[CLEAR]
 keys in this order.
Initializing set up data
Press 
[MENU]
 and 
[CLEAR]
 keys in this order.
The data have been initialized when “Set Up Initialized” mes-
sage is displayed. The EMG. History screen will be restored
soon.
6-11
6-7.
VERSION  INFORMATION
### Version Infomation ###
IF con.
Ver.x.xxx(xxxx)
Group
xx
SYScon.
Ver.x.xxx(xxxx)
Model
xx
Region
0x
 Servo DSP Ver: x.xxx
 AVD ucode Ver: xxxxxxxx
 OPT TYPE : x LASER
Exit : RETURN
The ROM version, region code, OPT type, etc. are displayed if
[5]
 is selected in the Test Mode Menu.
The parenthesized hexadecimal number in the version number field
indicates the checksum value of the ROM.
Note : After down loading ROM data, sometimes it happens that
checksum is not the same as that of ROM data which has
been down loaded. In such a case, go back to the menu
and select “0. Syscon Diagnosis”, then select “1. All” in
“2. Version”. If the result of this operation does not give
an agreement, it must be either Down Load error or ROM
error.
6-8.
VIDEO  LEVEL  ADJUSTMENT
On the Test Mode Menu screen, selecting 
[6]
 displays color bars
for video level adjustment. During display of color bars, OSD dis-
appears but the menu screen will be restored if pressing any key.
6-9.
TROUBLE  SHOOTING
6-9-1. Faults in Test Mode (MB-108 board)
1.  The test mode menu is not displayed.
1-1. Board visual check
Check that the ICs of SYSCON (IC104), ROM (IC106 or
IC107), AVD (IC403), ARP & SERVO (IC301) are working
correctly.
Check that outside appearance of the ICs is normal.
Check that IC pins are not short-circuited.
Check that there is no soldering error.
Check that outside appearance of the capacitors and resistors
is normal.
1-2. Power supply voltage check
Check the power voltage of the power connector (CN102).
Check the power voltage of SYSCON (IC104).
Check the power voltage of ROM (IC106 or IC107).
Check the power voltage of AVD (IC403).
Check the power voltage of ARP & SERVO (IC301).
If the power voltage has any abnormality 
t
Check that the power supply lines are not shorted.
Check that there is no soldering error.
If any abnormality cannot be found still 
t
Check that each IC is working normally.
1-3. Clock signal check
Measure the clock signal frequency at CPUCK (CL101) of
SYSCON (IC104) with an oscilloscope.
If the 8.25 MHz signal appears. 
t Check the machine ac-
cording to section 1-3-1
If the 33 MHz signal appears. 
t Check the machine accord-
ing to section 1-3-2.
If other frequencies are output.
R110 and R113 have defective soldering, X101 crystal os-
cillator is defective.
If the measurement point is fixed to either “H” or “L”. 
t
Observe XFRRST (pin-uh) of SYSCON (IC104) with an
oscilloscope.
If the measurement point is “L”, check the following items.
If the IC has defective soldering, if the IC is short-circuited.
If the measurement point is “H”,
 
t Component X101 or SYSCON (IC104) is defective.
6-12
1-3-1. When the 8.25 MHz signal appears at CPUCK
• Check the XRD, XWRH and CS0X signal.
Observe XRD (pin-u;), XWRH (pin-ua), and CS0X (pin-tk)
of SYSCON (IC104) with an oscilloscope.
If these pins are fixed to either “L” (0V) or “H” (3.3V), or if
these pins stay in the center voltage, check the followings.
Check if the signal line does not have the defective solder-
ing.
Check if the signal line is short-circuited with other signal
lines.
If you cannot find any problem 
t SYSCON (IC104) is
defective.
• HA [0 to 21] signal and HD [0 to 15] signal check
Observe HA [0 to 21] (pins-<z/x  to <z/. , <zzz  to <zz, , <zx/ , 1 to 5)
of SYSCON (IC104) and HD [0 to 15] (pins-ig to <z// ) with
an oscilloscope.
If these pins are fixed to either “L” (0V) or “H” (3.3V), or if
the HA pin stays in the center voltage, check the followings.
(HD stays in the center voltage when it is normal.)
t Check if the signal line does not have the defective
soldering, or is short-circuited with other signal line or
SYSCON (IC104) is defective.
• Reset signal check
Check if XFRRST (pin-uh) of SYSCON (IC104) normal or
not.
The signal starts up at the same time as Vcc 
t Defective
soldering.
If the trouble does not apply to any of the above-described phe-
nomenon, SYSCON (IC104) or ROM (IC106 or IC107) is defec-
tive.
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). 
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”. 
t ARP & SERVO (IC301) has
defective soldering or ARP & SERVO is defective.
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 
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.
• 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 
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.
CS0X:  ROM (IC106 or IC107)
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.
2. Test mode menu is displayed but the machine stops
when menu is selected
2-1. AVD (IC403) check
Observe SDCLKO (pin-<zxm ) of AVD (IC403) with an oscillo-
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 
t AVD
(IC403) 27MHz signal line (CLKI (pin-<zb, ), SCLKIN (pin-
<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 
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.
INT0: AVD (IC403)
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.
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.
CS2X, CS3X: AVD (IC403)
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.
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 
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
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).
If XRST if fixed to “L”.  XRST has the defective solder-
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.
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.
Page of 79
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