DOWNLOAD Sony DVP-K370 (serv.man2) Service Manual ↓ Size: 17.35 MB | Pages: 104 in PDF or view online for FREE

Model
DVP-K370 (serv.man2)
Pages
104
Size
17.35 MB
Type
PDF
Document
Service Manual
Brand
Device
DVD
File
dvp-k370-sm2.pdf
Date

Sony DVP-K370 (serv.man2) Service Manual ▷ View online

6-9
3. Track/Layer  Jump
On this screen, track jump, etc. can be performed. Only for the
DVD-DL, the focus jump and layer jump are displayed in the right
field.
[1] 1Tj FWD:
1-track jump forward.
[2] 1Tj REV:
1-track jump reverse.
[3] 2Tj FWD:
2-track jump forward.
[4] 2Tj REV:
2-track jump reverse.
[5] NTj FWD:
N-track jump forward.
[6] NTj REV:
N-track jump reverse.
[7] 500Tj FWD:
Fine search forward.
[8] 500Tj REV:
Fine search reverse.
[9] 10k/20k FWD: Direct search forward.
[0] 10k/20k REV: Direct search reverse.
– The following commands are valid for DVD-DL disc only –
5
  (L1 
t L0): Focus jump (Trk/Sled Servo OFF) forward.
%
  (L0 
t L1): Focus jump (Trk/Sled Servo OFF) reverse.
$
  (L1 
t L0): Layer jump (Trk/Sled Servo ON) forward.
4
  (L0 
t L1): Layer jump (Trk/Sled Servo ON) reverse.
4. Manual Adjustment
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 
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 select switch of analog feedback circuit.
[8] PLL Dac Gain: Adjusts D/A converter gain of PLL.
[9] EQ BOOST:
Adjusts boost amount of equalizer.
[0] GD ADJ:
Adjusts group delay amount.
Track/Layer Jump
1. 1Tj FWD
R. Fj (L1->L0)
2. 1Tj REV
L. Fj (L0->L1)
3. 2Tj FWD
U. Lj (L1->L0)
4. 2Tj REV
D. Lj (L0->L1)
5. NTj FWD
6. NTj REV
7. 500Tj FWD
8. 500Tj REV
9. 10k/20k FWD
0. 10k/20k REV
SA.
 SI. EMG.00
DVD DL 12cm
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
6-10
5. Auto Adjustment
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
The display image is shown below and three screens in total can
be selected.
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.
“THR A&L” data on the second page cannot be changed if default
setting is once made.
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.04EF905 SI.00 EMG.00
DVD SL 12cm
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
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
6-11
6-6. MECHA AGING
On the Test Mode Menu screen, selecting [3] executes the aging
of mechanism. First, open the tray and load a disc. Press the  H
key, and the aging will start. During aging, the number of the re-
peat cycle is displayed. Aging can be aborted at any time by press-
ing the  x  key. After the operation has stopped, unload the disc
and press again the  x  key or the O  key to return to the Test
Mode Menu.
6-7. EMERGENCY HISTORY
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 the ten-key pad from [1] to [9].
(Emergency history code is shown separately.)
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 setup 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 display screen will be restored soon.
6-8. VERSION INFORMATION
The ROM version, region code, OPT type, etc. are displayed if [5]
is selected in the Test Mode Menu. The parenthesized hexadeci-
mal number in the version number field indicates the checksum
value of the ROM.
* Note after Downloading
After downloading ROM data, sometimes it happens that checksum
is not the same as that of ROM data that has been downloaded.
In such a case, go back to the menu screen 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 Download
error or ROM error.
6-9. 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.
6-10. IF  CON  SELF  DIAGNOSTIC  FUNCTION
1. IF-92  BOARD  (IF  CON)  TEST  MODE
The front board test mode is the IF CON self diagnostic mode.
The IF CON can diagnose the functions of the front panel boards
that the IF CON controls. Normally, the IF CON makes a serial
communication with the SYSTEM CONTROL and operates fol-
lowing the commands from the SYSTEM CONTROL, but in the
Test mode, the IF CON operates independently from the SYS-
TEM CONTROL.
In the Test mode, the following functions can be checked.
1. Button function
2. Remote commander receiving function
3. SYSTEM CONTROL-IF CON serial communication
4. Click shuttle function
5. Fluorescent display tube lighting check
Grid check
Anode check
6. LED control function
In the Test mode, the set operates same as usual, except voltage
monitoring, communication monitoring, display of fluorescent
display tube, and LED control.
1. The routine that monitors +3.3 V (P-CONT) of MB-103 board
is not provided.
2. The monitoring timer for serial communication with the SYS-
TEM CONTROL is not provided. The set is not placed in the
Standby mode, even if the communication with SYSTEM
CONTROL is normal.
3. Display of fluorescent display tube (normally, display is made
following the commands from SYSTEM CONTROL)
4. LED control (normally, control is made following the com-
mands from SYSTEM CONTROL)
### Mecha Aging ###
Press OPEN key
Abort : STOP key
### 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
### 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
6-12
2. OPERATION  OF  SELF  CHECK  MODE
The Self Check mode is the function to conduct the basic test to
the FL display and DVD panel section.
2-1. Self Check Mode Transition Processing
At the AC Power ON after IF CON (IC404) was reset, the input to
10pin (SELF CHECK) is judged and if “Low” is entered, the main
unit transits to the Self Check mode. In this port input judgment,
the result of 3-time attempts must be same (assuming that the MB-
103 board is not connected). While pressing the 
[STOP]
 key on the
main unit with the IF CON in STANDBY mode, enter 
[RETURN]
 
[DISPLAY]
 (or 
[SET UP]
) on the remote commander, and the unit
transits to the Self Check Mode. The Self Check mode terminates
when the IF CON transits to the STANDBY mode.
2-2. Operation of Auto Self Check
When the Self Check mode becomes active at the AC Power ON
or by key input, the test display of the following steps (1) to (4) is
repeated.
(1) FLD and LED all ON (for 5 seconds)
(2) MODEL display (for 2 seconds)
(3) Version display (for 2 seconds)
(4) ROM creation date display (for 2 seconds)
Page of 104
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