FE generated in the RF IC is sent to the
Digital servo IC.
For a DVD, the servo is turned on during
the transition from “Up” to “Down” of
the first-order sine wave. For a CD, it
turns on during the transition from
“Down” to “Up” of the first-order sine
wave.
When the servo is turned on, the level of
PH (the envelope of the bright side of RF)
increases, and DRF becomes H. The
kick-brake pulses, such as those for
FOCUS jump, are also output from pin
49 of IC201.
Yes
• FOCUS SERVO
PICKUP
OEIC
FOCUS
COIL
MIRR Modulation
SLDR Servo ON
(Auto Focus Bias)
RF
B1
B2
B3
B4
LD
MD
Measurement
T Servo ON
F Gain Adj.
T Gain Adj.
AFB Adj.
Layer Det.
Lead-in Search
PLAY
3
5
IC101
RFIC
6
7
8
11 1222
1
IC151
DRIVER
2
58
31
13
4
PH
FE
LASER
SGC
FDO
32
35
SERVO IC
54
44
49
IC201
DIGITAL
26
OEIC GAIN
ADDRESS
&
BUS
DRF
54
IC501
MECH.
CONTROL
27
• FOCUS LOCK TIMING
CDDVD
LDON
UP
FDO
FE
DRF
(FOK)
UP
6
Page 7
1.2.3 Tracking / Slider Servo
DV-505, DVL-909, DV-S9
ATB: The tracking balance compensation is
achieved by outputting the offset from
the TBAL output at pin 46 of the digital
servo IC, and by biasing the charge pump
resistor for phase-difference error of
RFIC.
The difference is detected by processing
TE at pin 34 of IC 201 with an internal
digital equalizer.
TDO: In addition to the servo output, the low-
band components, such as the kick-brake
for jump, are added for TDO output.
SLDO: The low-band components of TE are
processed by the internal digital
equalizer, and deadband is added for
SLDO output. The offset voltage for
pickup movement is also included in the
SLDO output.
1.2.4 SPINDLE SERVO
• SPDL SERVO
• TRACKING / SLIDER SERVO
PICKUP
OEIC
TRKG
COIL
TE RF
B1
B2
B3
B4
M
SLDR
4
5
6
7
8
IC101
RFIC
26
27
16
17
IC151
DRIVER
ATC
TE
TBAL
TDO
SLDO
34
SERVO IC
46
50
IC201
DIGITAL
47
ADDRESS
&
BUS
IC501
MECH.
CONTROL
26
28
CP
24
19
OEIC
RF
IC101
3
RFIC
RFO
50
CLK
32
RF
41
(27M)
12
VCO
IC201
57
25
DIGITAL
SERVO
48
SPDO
31
SPDO
(Compatible)
SPDL +
SPDL
M
SPDL -
FG
12
IC161
DRV
13
(Base)
For a CD, the RF signal output from pin 32 of the RF IC is converted
to binary in IC201. By comparing the binary value with the reference
CLK (clock), the SPDL ERR signal is output from pin 48.
For a DVD, the SPDL ERR signal is generated from the PWM signal
output from LSI-ΙΙ. Upon receiving this signal via pin 31, IC201
also outputs it from pin 48, switching from the CD SPDL ERR
signal.
IC301
A/D
10
IC302
(1/2)
IC271
(2/2)
3
|
V165
8 bit
IC271
(1/2)
APC
AFC
ASC
200
|
207
176
178
180
177
161 163 166 167
FPWM
VPWM
PPWM
RPWM
DUTY50
179
IC701
LSI II
159
95
FG
7
Page 8
DV-505, DVL-909, DV-S9
1.2.5 Disc Determination
Determination is achieved by checking the sine wave by sweeping
the lens with the OE IC gain at L and the FSC error amplifier (SGC)
at the default setting. If no sine wave is detected, checking is retried
after switching the OE IC gain to H and increasing the gain of the
FSC error amplifier (SGC). If no sine wave is detected again, it is
regarded as the NO DISC condition.
If one half of the sine wave detected at the first lens sweep is of a
value less than 0.5 V, the OE IC gain is set to H and the peak-topeak value of the sine wave is roughly adjusted to 1.8 Vp-p.
By sweeping the lens around the height where the sine wave has
been detected, disc determination is performed, and the sine wave
is finely adjusted to 1.8 Vp-p.
Offset compensation
Lens sweep
Checking
the sine wave
None
Yes
Level check
Less than 0.5V
OEIC gain = H
FCS AMP gain up
Lens sweep
Checking
the sine wave
None
NO DISC
More than 0.5V
OEIC gain = H
Yes
Roughly adjust to
1.8Vp-p sine wave
Disc determination
Finely adjust to 1.8Vp-p
sine wave
END
8
Page 9
1.2.6 System Control (DVL-909)
FLPB, KEYBDVD MAIN
DV-505, DVL-909, DV-S9
IC101
PD4890A
Mode Control
(FL Cont.)
Remote
KEY
Sensor
13 16
22
21
POWER ON
POWER SUPPLY
ASSY
SI1,SO1
SCK1,XRDY
XRESET
IC601
PD3381A
System
Cont.
102,107,108,111
DATA,ADDRESS
MAIN BUS
IC701
PD4833A
LSI-11
Slider
Position
SW
Loading
Position
SW
IC604
Work
RAM
142 151
SLDPOS
SW1–3
IC603
FLASH
ROM
MAD0–MAD7
IC501
PD4889A
Mech. Cont.
19 26
(DVD)
77
810
19 21
IC101
PD0260A2
33 35
Mech. Cont.
(CLD)
24925
IC602
GUI
4M ROM
39
SO1,SI1
SCK1
56
55
54
IC171IC803
DVDP PK
XLPO
XTurn A
XTurn B
IC801
MB86371
AV-Dec.
IC201
LC78650E-P
Digital
65 72
Servo
LD/DVD
Carriage
Out position SW
Turn
A/B SW
Tilt /
Loading
Motor
1) Interface between Mode Cont. and System Cont.
XRDY
LT1
SCK1
SO1
SI1
102
65
111
107
108
IC601
PD3381A
System
Cont.
IC101
PD4890A
Mode Control
(FL Cont.)
13
46
14
15
16
Tilt / Loading
Drive
CLD MAIN
XRDY
LT1
SCK
SI
DATA
SO
Timing Chart
If there is no communication for 2 sec.,
Mode Cont. turn off the power and reset.
Turn
Drive
MM
9
Page 10
DV-505, DVL-909, DV-S9
2. CIRCUIT DESCRIPTIONS FOR DV-S9 AND DV-09
2.1 VIDEO SIGNAL PROCESSING BLOCK
2.1.1 PD0259A Block
The major purposes of the PD0259A block are;
(1) Frame-correlative cyclic digital noise reduction
(2) Horizontal and vertical contour compensation
(3) Y/C timing adjustment
(4) Frame freezing
(1) Frame-Correlative Cyclic Digital Noise Reduction
For eight-bit digital video data input to the PD0259A, noise reduction
is performed through subtraction between the data and those of the
corresponding points 1 frame before, delayed for the subtraction
via a 4-bit DRAM by 1 frame.
The noise signal detected as a result is sent to a non-linear circuit. If
the difference is larger than a specific value, it is regarded as “a
change in picture,” and no canceling calculation is made.
This function is the same as that which has been performed in
conventional laser-disc players. The only difference is that the input
video signal here is a DVD digital component signal (4:2:2), while
it is an LD digital composite signal in conventional laser-disc players.
DATA
ON/OFF
SW
Non-linear
circuit
1-frame delay
(3) Y/C-timing Adjustment
This function changes the output phase of the Y signal with respect
to the Cb and Cr signals in units of the 13.5-MHz clock cycle (approx.
74 ns).
(4) Frame Freezing
In response to a command sent from the system control computer
by serial transmission, data for one frame are frozen, and the frozen
picture is output.
This function is specific to the DV-S9 and is used only for pictureby-picture reversing by jog/shuttle operation or “Slow 1” playback
operation.
2.1.2 M65677FP Block
The M65677FP block functions as an NTSC encoder that converts
digital component signals to analog Y, C, Cb and Cr signals. While
our popular models other than the DV-S9 use the built-in encoder in
the MB86371 block, an external NTSC encoder is added to the DVS9, as it performs digital processing in the PD0259A block.
In addition to NTSC encoding, the M65677FP also performs:
(1) D.EXT(DV-S9)/BLACK LVL(DV-09)
(2) C.LEVEL adjustment
(1) D.EXT(DV-S9)/BLACK LVL(DV-09)
Setup of –7.5 IRE is added to the Y signal. D.EXT(DV-S9)/BLACK
LVL(DV-09) processing using analog signals in conventional laser
disc players is achieved by using digital signals.
(2) Horizontal and Vertical Contour Compensations
For data after digital noise reduction, horizontal and vertical contour
compensations are made only for the Y-signal.
Horizontal compensation is performed by detecting edge components
from the information of the reference picture elements and those
that horizontally proceed and succeed by several pixels, and then
generating edge-emphasizing components through non-linear
processing of the detected components.
Vertical compensation is performed by detecting edge components
from information on the reference picture elements and those which
vertically proceed and succeed by one line, and then generating edgeemphasizing components through non-linear processing of the
detected components.
These edge-emphasizing components are added to the main-line
digital data to achieve contour compensations.
Vertical edge generation
Non-linear
circuit
Non-linear
circuit
10
1H
Delay
1H
Delay
Delay
HPF
BPF
Horizontal edge generation
(2) C.LEVEL Adjustments
The burst level of the C signal can be varied centering around 40
IRE.
Therefore, it is performed for the S-connector and CVBS-connector
outputs, but not for the color-difference output.
This function is also not available if the connected TV receiver has
no AGC circuit.
Page 11
2.1.3 Analog Video Signal Processing Block
The video signals output from the built-in 10-bit DA converter of
the M65677FP pass through a low-pass filter and amplifier, and are
output from the DVD MAIN Assy and sent to the VOUT Assy.
In the VOUT Assy, analog noise-reduction processing having three
levels (OFF, low, and high) is initially applied only to the Y signal.
This analog noise reduction is the same as that performed by
conventional laser-disc players. The register port output in serial
communication that the PD0259A receives from the system-control
computer is used as the control signal for analog noise reduction.
After analog noise reduction, a CVBS signal is generated by
composing the Y and C signals (no clamping is performed for the C
signal). The timing pulse BF to be used for pedestal clamping is
supplied from the PD0259A. This signal is adjusted within the
PD0259A so that it provides the timing for the burst portions of the
output video signals.
DV-505, DVL-909, DV-S9
IC801
MB86371
(AV1)
4M DRAM
× 2
V DATAV DATA
H
V
FLD
CLK
µ-COM
IC901
PD0259A
(DNR)
ANR1
BF
H
V
CLK
ANR2
µ-COM
IC951
M65677FP
NTSC
ENCODER
IC952
M65677FP
NTSC
ENCODER
Cb
Cr
Y
C
LPF
LPF
LPF
LPF
Amp.
Amp.
Amp.
Amp.
Analog
NR
V OUT ASSYDVD MAIN ASSY
CLAMP
CLAMP
CLAMP
CLAMP
CLAMP
Cb
Cr
Y
Y
C
CVBS
11
Page 12
DV-505, DVL-909, DV-S9
2.2 DIRB BLOCK (DIRB ASSY)
(DV-S9 ONLY)
The two major purposes of the DIRB block are the following:
(1) Switching between data reproduced from a disc and a data signal
in DAC mode
(2) Data decoding in external input mode (DAC mode)
(1) Switching Between Data Reproduced from a
Disc and a Data Signal in DAC Mode
The signal switching is performed at IC811, sending 3-line data
(LRCK, BCK and DATA) to the AUDIO Assy. The switching
control line (DAC MODE) is supplied from the DVD MAIN Assy.
The master clock (MCK) is generated by a crystal on the AUDIO
Assy when reproducing a disc, and by IC861 in DAC mode. MCK
is sent to the AUDIO Assy via RXP.
(2) Data Decoding in External Input Mode (DAC
Mode)
When the user selects DAC mode, the DAC MODE port is set to H
and VCO in IC861 starts oscillating. (VCO does not oscillate in
any other modes than DAC mode.) When there is a toss link of an
external input or a coaxial digital input, the digital input signal is
sent to IC861 from RXP of CN801, generating 3-line data
corresponding to the input sampling frequency. At the same time,
the master clock (MCK) to be used in DAC mode is also generated.
For a 96kHz input, the MCK frequency is divided by 2 by IC831.
When the user selects the internal clock as the system clock, the
clock generated by the crystal on the AUDIO Assy is sent to the
DVD MAIN Assy. When the user selects an external sync as the
system clock, the following parameters are used.
2.3 96K, 24-Bit, HIBIT LEGATO S
SYSTEM (AUDIO ASSY)
All 16-bit and 20-bit sources are converted to 24-bit data by IC101,
which lets a 24-bit data pass through.
As PCM1702P is a 20-bit D/A converter, processing of the upper
20 bits is assigned to it by the shift register.
The lower 4 bits are converted from serial to parallel, then the
significance of each bit is converted digital to analog, functioning
as a 4-bit D/A converter for the lower 4 bits.
By adding the lower 4 bits to the upper 20 bits in the low-pass &
ADD block, D/A conversion is achieved for 24 bits.
Hi Bit
IC101
Legato S
IC111
Shift Register
TC74HC164AF
D/A Converter
PCM1702P
Low-pass
& ADD
Analog Output
Serial to Parallel
and Significance
Conversion
TC74HC163AF
If there is no external input or locking onto the input digital signal
cannot be achieved, the ERR signal at pin 43 of IC861 is set to H,
and the crystal in the AUDIO Assy immediately starts oscillating.
In such cases, the clock sent to the DVD MAIN Assy will always be
a crystal clock.
IC901 16M Selector
IC902 18M Selector
IC811 Data Selector
IC831
Clock Selector
IC861
DIR
CN801
IC835
1/2 Divider
CN811
12
Page 13
3. TEST MODE
DV-505, DVL-909, DV-S9
3.1 HOW TO ENTER THE TEST MODE
There is the three following methods in an enters of the test mode.
1. Short-circuit the terminals (TP6006 and TP6007) for test mode
entry at the side of the system control IC (IC601) of DVDM ASSY,
and turn the power on.
2.Input [ESC] key and [TEST/RANDOM] key of the test mode
remote control unit in order under the power on condition.
3. Connect a personal computer with the RS232C terminal (CN106),
and input entry command (TE) of test mode from the personal
computer.
Note: FL indication and LED come all to light until key operation
is done when entering the test mode.
3.2 RELEASE THE TEST MODE
There is the three following methods in a release of the test mode.
1. Turn the power off.
2. Press [ESC] key of the remote control unit. At this time, reset it
for a while except for during the LD and CDV set.
3. Connect a personal computer with the RS232C terminal (CN106),
and input normal mode entry command (NE) from the personal
computer.
3.3 THE EXPLANATION OF EACH
FUNCTION
The function that can be operated in the test mode is as the following.
Use a LD remote control unit in the test mode.
(1) Door Open/Close
1. Press [REPEAT A-B] (48) key of the remote control unit.
2. Press [OPEN/CLOSE] key of the player from the stop condition.
(5) Pause
1.It becomes pause condition by pressing [CX] (0E) key of the
remote control unit in the play.
2.Pause ON/OFF changes alternately by pressing [PAUSE] (18)
key in the play.
(6) Search Address Input Entry
It becomes the address input mode when [+10] key (1F) is pressed.
(indication for the most significant digit : > )
Indicate the last address as the initial condition in this time.
Only in case of DVD, addition search (indication for the most
significant digit : + ) and subtraction search (indication for the most
significant digit : – ) are able to select in order by pressing [+10]
key continuously.
The address where input value was added to the present address is
make to search with addition search.
The address where input value was subtracted to the present address
is make to search with subtraction search.
In case of CD is only absolute time search.
Also address clear and release from the address input mode are able
to perform by 2 steps by pressing [CLEAR] (45) key.
(7) Search Address Input
Press [0] to [9] keys of the remote control unit.
Set up the address by the hexadecimal number with DVD.
When [PROGRAM] (4C) key is pressed in the address input mode,
input mode changes to hexadecimal number input (Indicates "∗"
mark), and [1] to [6] keys are input as [A] to [F].
At this time, [7], [8], [9] and [0] keys are not accepted.
Also the hexadecimal number input and the decimal number input
can be changed with toggle.
(2) Stop
1. Press [REPEAT] (44) key of the remote control unit.
2. Press [STOP] key of the remote control unit or the player from
the stop condition.
(3) Play 1 (Demultiplex exist which it tries to output
the playback screen)
1. Press [PLAY] (17) key of the remote control unit.
• CLD rise up at the tracking open condition. However, it becomes
tracking close when entering the test mode during the play.
• DVD rise up at the tracking close. Playback screen may not
appear because the NAVI information isn't read in the test mode.
(4) Play 2 (Demultiplex is absent which performing
trace only)
1. Press [TV/LDP] (0F) key of the remote control unit.
• It is equal to the play 1 with CLD.
• Perform only tracing with DVD, and there are no video and
audio output.
(8) Search Practice
1. Press [CHP/TIM] (13) key of the remote control unit.
Practice the on screen no playback (Doesn't demultiplex) after
the search with DVD.
2. Press [PLAY] (17) key of the remote control unit.
Practice the on screen playback (demultiplex exists) after the
search with DVD.
(9) Side Change
This function becomes effective when a set disk is LD.
1. Change a side on the side A from the side B when pressing [SIDE
A] (4D) key of the remote control unit.
2. Change a side on the side B from the side A when pressing [SIDE
B] (4E) key of the remote control unit
(10) Tracking Open
1. Press [STEP FWD] (54) key of the remote control unit in the play
condition.
2.Switch the open/close by pressing [PLAY] key of the remote
control unit or the player during the play (CD only).
13
Page 14
DV-505, DVL-909, DV-S9
(11) Tracking Close
1. Press [STEP RVS] (50) key of the remote control unit in the play
condition.
2.Switch the open/close by pressing [PLAY] key of the remote
control unit or the player during the play (CD only).
(12) Slider In
1.Press [SCAN RVS] (11) key of the remote control unit in the
tracking off condition.
2. Turn the shuttle of the remote control unit in the REV direction
(2C to 2F) in the tracking off condition. (DVD only)
(13) Slider Out
1.Press [SCAN FWD] (10) key of the remote control unit in the
tracking off condition.
2. Turn the shuttle of the remote control unit in the FWD direction
(28 to 2A) in the tracking off condition. (DVD only)
(14) Scan In
1.Press [SCAN RVS] (11) key of the remote control unit in the
tracking on condition.
2. Turn the shuttle of the remote control unit in the REV direction
(2C to 2F) in the tracking on condition.
• DVD can be scanned only in the case of the play 2 (playback
without demultiplex).
(15) Scan Out
1.Press [SCAN FWD] (10) key of the remote control unit in the
tracking on condition.
2. Turn the shuttle of the remote control unit in the FWD direction
(28 to 2A) in the tracking on condition.
• DVD can be scanned only in the case of the play 2 (playback
without demultiplex).
(20) Tilt Up
A manual moves in the going up direction when [SKIP FWD] (52)
key of the remote control unit is pressed during the play at the time
of tilt off.
(21) Focus Jump +
Focus jumps in 1 layer from 0 layer when [MULTI FWD] (58) key
of the remote control unit is pressed. (DVD only)
(22) Focus Jump –
Focus jumps in 0 layer from 1 layer when [MULTI REV] (55) key
of the remote control unit is pressed. (DVD only)
(23) The First And The Second Screen Switching
Every time [DISPLAY] (43) key of the remote control unit is pressed,
the contents of the version indication part (the bottom right of the
screen) change. (Refer to page 17.)
(24) Screen Display On
1. Press [DISPLAY] (43) key of the remote control unit.
2. Display on/off switches every time [PROGRAM] (4C) key of the
remote control unit is pressed.
• When [DISPLAY] key is pressed in the display on, change the
part number indication of the microprocessor and revision
indication.
• Initial state is screen display on and it becomes the part number
indication of the microprocessor.
(25) Screen Display Off
1. Press [AUDIO] (1E) key of the remote control unit.
2. Display on/off switches every time [PROGRAM] (4C) key of the
remote control unit is pressed.
(16) Loading In/Out
When pressing [SKIP REV] (53) key of the remote control unit in
the open condition, it loads in the clamp direction. Then it loads in
the open direction when pressing [SKIP FWD] (52) key.
• This function can practice only when it is indicated with "OPEN"
in FL.
(17) Tilt Neutral
Press [SPEED DOWN] (46) key of the remote control unit.
(18) Tilt Servo On/Off
a. On
Press [SPEED UP] (47) key of the remote control unit.
b. Off
Press [SKIP REV] (53) key and [SKIP FWD] (52) key of the
remote control unit at the tilt servo on or the tilt neutral.
(19) Tilt Down
A manual moves in the going down direction when [SKIP REV]
(53) key of the remote control unit is pressed during the play at the
time of tilt off.
(26) Background Color Switching
1. Change the background color (eight colors) prepared for in
advance every time [2/R] (49) key of the remote control unit is
pressed in order.
[Blue→Green→Light blue→Red→Purple→Yellow→
Gray→Black→Blue ....]
2. Change the background color (eight colors) prepared for in
advance every time [1/L] (4B) key of the remote control unit is
pressed in order.
[Blue→Black→Gray→Yellow→Purple→Red→
Light blue→Green→Blue ....]
(27) Video Output Switching
1. It becomes component output when pressing [DIGITAL EFFECT]
(5C) key of the remote control unit.
2. It becomes composite output when pressing [STILL WITH
SOUND] (5B) key of the remote control unit.
14
Page 15
DV-505, DVL-909, DV-S9
3.4 EXPANSION FUNCTION 1
Set the reception mode of expansion function by pressing [TEST]
(5E) key of the test mode remote control unit, then expansion function
is able to execute by pressing the key of [0] to [9].
Indication for the most significant digit becomes "T" during the
reception mode of expansion function. (This mode can on and off
with toggle.)
(1) LD On
Turn the laser diode to on by pressing [TEST] and [1] keys in order.
(2) Focus On
Focus locks by pressing [TEST] and [2] keys in order.
(3) Focus Sweep
Repeat focus sweep by pressing [TEST] and [3] keys in order.
(4) Spindle FG Servo
Rising up the spindle and FG servo becomes on by pressing [TEST]
and [5] keys in order.
(5) AGC On/Off
Switch the AGC on and off with toggle by pressing [TEST] and [7]
keys in order.
(6) Jitter Value Indication.
It becomes the jitter-value indication mode by pressing [TEST] and
[DIG/ANA] keys in order.
3.5 EXPANSION FUNCTION 2
Set the reception mode of expansion function 2 by pressing [HILITE/
INTRO] (55) key of the remote control unit, then expansion function
2 is able to execute by pressing the key of [0] to [9].
(1) Forced DVD Setting
In the checker mode, set up the condition that DVD is attached
forcibly except for the result of disc distinction by pressing [HILITE/
INTRO] and [1] keys in order.
In the no checker mode (normal test mode), once execute the setting
but abandan it soon.
Therefore, perform the disc distinction again for the safety when
rising up the player in this condition.
(2) Forced CD Setting
In the checker mode, set up the condition that CD is attached forcibly
except for the result of disc distinction by pressing [HILITE/INTRO]
and [3] keys in order.
In the no checker mode (normal test mode), once execute the setting
but abandan it soon.
Therefore, perform the disc distinction again for the safety when
rising up the player in this condition.
(3) Execute The Disk Distinction
In the checker mode, execute the disc distinction result by pressing
[HILITE/INTRO] and [0] keys in order.
(7) DSP coefficient indication of FTS system.
Set up the address (four digits) of the coefficient that it wants to see
by the point of search address input, then real time indicates the
coefficient in OSD by pressing [TEST] and [9] keys in order.
(8) CD Error Rate Indication
Indicate the value in OSD after measuring is completed by pressing
[TEST] and [0] keys in order after set up the measuring time (1 to 8
seconds) by the point of search address input.
3.6 List of Test Mode Function
Contents of CommandCondition
OpenSTOPREPEAT AA8-48
CloseOPENREPEAT AA8-48
StopPLAYREPEAT BA8-44
Play (DVD is only tracing.)STOPTV/LDPA8-0F
Play (DVD is with decode.)STOPPLAYA8-17
Pause onPLAYCXA8-0E
Pause on/offPLAY/PAUSEPAUSEA8-18
Search address input (0 to 9)0 to 9A8-00 to 09
∗Use for other numerical value input
Key Name ofMode of
Remote Control UnitRemote Control Unit
15
Page 16
DV-505, DVL-909, DV-S9
Contents of CommandCondition
Search address input (A to F)During address inputPGM+1 to 6
Screen indication on/Switching of the first screen and second screenOSD Off/OnDISPLAYA8-43
Screen indication offOSD : OnAUDIOA8-1E
Screen indication on/offPROGRAMA8-4C
Switching of ID display methods (decimal/hexadecimal)DIG/ANAA8-0C
DISC type designationSTOPHILITE/INTROA8-5A
• Forced designation to DVD+1 +A8-01
• Forced designation to CD+3 +A8-03
• Request for Disk sensing+0 +A8-00
Tray close of disk sense inhibitionChecker modeREPEAT AA8-48
Background color (eight colors) switching2/RA8-49
Background color (eight colors) switching (reverse toggle)1/LA8-4B
Video : component outputDIGITAL EFFECTA8-5C
Video : composite outputSTILL WITH SOUNDA8-5B
Key Name ofMode of
Remote Control UnitRemote Control Unit
Shuttle REVA8-2C to 2F
Shuttle FWDA8-28 to 2B
SKIP FWDA8-52
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Special Mention Item
(1) Indications for the spindle status are as follows:
(2) The movement of loading in/out starts from the tray open status.
After that, this function is executed unless a play and close
operation are done.
DV-505, DVL-909, DV-S9
(4) If you turn the power on while short-circuiting the short-circuit
terminal at the side of the system controller, the player will
forcibly enter the test mode. If the FL controller is set to Checker
mode, disc sensing will not be started, even if a disc is loaded.
Disc sensing will also not be performed if the tray is opend/
closed by your pressing [REPEAT A] key while in Checker
mode.
However, disc sensing will be started if the [OPEN/CLOSE]
key on the player or on the remote control unit is pressed.
(3) There are three methods for entering a search address:
Absolute address designation
→ Searching for the address entered (indication for the most
significant digit :>)
Additional input
→ Searching for the address with the current ID number plus
an entered number
(indication for the most significant digit :+)
Subtractive input
→ Searching for the address with the current ID number minus
an entered number(indication for the most significant digit :–)
The above modes can be changed by pressing [10] key.
Note : A number for addition or subtraction must be entered in
hexadecimal.
(5) If disc-type designation is forcibly executed during a mode other
than Checker mode, the system controller will abandon disctype designation after setting the mechanism controller.
Therefore, after startup of the player, disc sensing will be
performed again for safety.
If disc-type designation is forcibly executed during Checker
mode, as disc-type designation is not abandoned, playback will
be immediately started.
(6) A background color change in order of blue → green → light
blue → red → purple → yellow → gray → black → with the [2/
R] key.
It changes in order of gray → yellow → purple → red → light
blue → green → blue → black → in the case of the [1/L] key.
(7) In case of PD0260A∗, tilt servo on function may not move with
DVD.
3.7 Test Mode Screen Display (The Second Generation)
Consecutive double-OSD display is supported during test mode. The screen is composed 10 lines with a maximum of 32 characters per line.
It can't be used with the debugging display mode together.
• Screen Composition
Address
Tilt error value, Tilt servo status
Tracking status
Spindle status
AGC setting
FTS servo IC information
Character in bold : Item name
: Information display
Remote control code
Key code
Mechanical position value
Slider position
Output video system
AV1 classification and
Flash ROM size
FL controller version
Region setting for the player
C1 error value of CD and DVD
Internal operation mode of
the mechanism control
Disc judgment
Pickup
Caution :
The first screen and second screen switch by
pressing [DISPLAY] key of the remote control
unit.
It is only a version display part on the lower
right of the screen those contents of display
change.
ATB : ON/OFF information display and AGC
manual establishment display deleted with the
second generation.
Flash ROM version
System controller revision
DVD mechanism controller revision
AV-1 chip version
First screen display
FL controller version
GUI-ROM number
Part No. of flash ROM and system controller
Part No. of DVD mechanism controller
Part No. of CLD mechanism controller
Second screen display (at lower right portion of the screen)
CLD mechanism controller revision
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DV-505, DVL-909, DV-S9
• Description of Each Item on the Display
(1) Address indication
The address being traced is displayed in number.
DVD: ID indication (hexadecimal number, 8 digits)
[∗∗∗∗∗∗∗∗]
CD/LD (CLV) : A-TIME (min. sec.)[
LD (CAV): FRAME[
(Note : For DVDs, decimal-number indication is possible.)
(2) Code indication of the remote control unit [R-∗∗∗∗]
The code for the key pressed on the remote control unit, which is
received by the FL controller, is displayed while the key is pressed.
In the case of the double code, the second code will be displayed.
(3) Key code indication for the main unit [K-∗∗]
The code for the key pressed on the main unit, which is received by
the system controller, is displayed while the key is pressed.
(4) Tilt error value, Tilt servo status [TILT-∗:∗∗∗]
Tilt error value :[0] to [F]
Tilt servo status :
Tilt neutral[N]
Tilt servo on[ON]
Tilt servo off[OFF]
(5) Tracking status [TRKG-∗∗∗]
Tracking on[ON]
Tracking off[OFF]
∗∗∗∗]
∗∗∗∗∗]
(11) FTS servo IC information
Indications for the following two types of information can be
switched:
DSP coefficient indication[KS-[∗∗∗∗] ∗∗∗∗]
Displays the address (four digits) of the specified coefficient
and the setting value (four digits) with [TEST] and [9] keys.
Jitter value indication[JT-[]∗∗∗∗]
Displays the jitter value (four digits) with [TEST] and [DIG/
ANA] keys.
(12) Error rate indication
C1 error value of CD[ER-C1 ∗∗∗∗ ]
C1 error value of DVD[ER-∗∗∗∗∗∗∗∗]
(13) Internal operation mode of mechanism controller
[MM-∗∗:∗∗]
Internal mechanism mode (2 digits) and internal mechanism step (2
digits) of the mechanism controller
Note : For details, see the specifications of the mechanism controller.
(14) Disk sensing [DSC-∗∗∗]
The type of discs loaded is displayed.
[DVD], [CD ], [CDV], [LD ], [VCD], [ ]
(15) Pickup [PU-∗∗∗]
The pickup being operating is displayed.
DVD[DVD]
CLD[CLD]
CD TOC area[IN ]
CD active area[CD ]
CDV video area[CDV ]
LD active area[LD ]
Side B inside[B IN]
(9) AGC setting [AGC-∗∗]
AGC on[ON]
AGC off[OFF]
(10) Output video system [V-∗∗∗∗]
NTSC system[NTSC]
PAL system[PAL ]
Auto-setting[AUTO]
(16) Destination setting of the FL controller
[F:∗∗∗/∗∗∗]
Three characters in front represent the type of model:
505: DV-505, S9: DV-S9
606 : DV-606D, EDU: for education
909: DVL-909, K88: DVL-K88.
Three characters that follow represent the destination code.
J : /J, K: /KU, /KC, /KU/KC, RAM: /RAM (China)
RL : /RL, WY: /WY, RD: /RD.
∗ Furthermore DVL-91/KU/CA indicates as L91/K.
(17) Region setting of the player [REG:∗]
Setting value [1] to [6]
(18) Version of the flash ROM [V:∗.∗∗]
(19) Revision of the system controller [S:∗.∗∗∗/∗.∗∗]
Revision number of the external ROM part (flash ROM) of the
system controller<Front>
Revision of the internal ROM part of the system controller
<Rear>
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(20) Revision of the DVD mechanism controller
[M:∗.∗∗∗/∗.∗∗∗]
Revision number of the external ROM part (flash ROM) of the
DVD mechanism controller<Front>
Revision of the internal ROM (core part) of the DVD mechanism
controller<Rear>
(21) Revision of the CLD mechanism controller
[L:∗.∗∗∗]
DV-505, DVL-909, DV-S9
Using the Function in Test Mode (The Remote
Control Keys to be Used are Indicated in Brackets)
(1) Set the CD to trace (playback) state.
(2) Set the player to Number input mode by pressing [+10] and
enter the measurement time in a range of 1 to 5 (sec.).
(3) Start measurement by pressing [TEST] + [0]. The SubQ counter
stops during measurement, but this is not a malfunction. When
the specified measurement time has elapsed, the result is
indicated to the right of “ER C1 –” on the screen.
If you skip step 2, the measurement time is set to 5 (sec).
The jitter values of DVDs and CDs can be displayed on basic models,
such as the DV-505, and those of DVDs can be displayed on DVD/
LD-compatible models, such as the DVL-909.
The displayed value shows a voltage in three-digit decimal as
For example, the indication “0278” means 2.78 V. The larger the
value, the worse the jitter. The worst value is 3.25 V. When playing
a DVD or a video CD with which the jitter value is extremely high,
mosaics may be seen. As with the error rate, the jitter depends on
the disc and pickup. The jitter value to be displayed has no close
correlation with a jitter measuring device, and is to be regarded just
for reference.
Reference :When the jitter value is 2.9 V or more with a DVD, or
3.0 V or more with a CD (or a video CD), it may cause
a problem (mosaic, audio distortion, etc.) in playback.
Using the Function in Test Mode (The Remote
Control Keys to be Used are Indicated in Brackets)
(1) Set the DVD or CD to trace (playback) state with AGC OFF.
(2) Press [TEST] and [DIGITAL/ANALOG].
The current jitter value appears to the right of “JT:” on
the display. The jitter value keeps changing unless any additional
key operation is made.
Note : Although a value may be displayed on the screen even with
AGC ON,
The jitter value with AFB ON cannot be displayed (see the
next section). The jitter value with AFB ON can be obtained
only by directly measuring the voltage at the JV connector
(pin 94) of the servo DSP (LC78650).
this is NOT a jitter value.
. V.
3.8.1 Error Rate
Overview
The error rate of CDs can be measured on basic models, such as the
DV-505, and that of CDs as well as LDs with sub-Q codes can be
measured on DVD/LD-compatible models, such as the DVL-909.
The value is displayed in decimal and indicates the number of C1
errors (including the corrected ones) counted during the specified
measurement time.
An indeterminate measurement result may be caused by a dirty disc,
decentering, surface deflection, birefringence (double reflection),
or a pickup problem (dirty lens, etc.), misadjustments of the pickup,
improper automatic adjustment, or incomplete adjustments. On the
manufacturing line, the value is used for yes/no decision of pickups.
Normally, for a measurement for 5 seconds, the value may be less
than 10 with a clean disc and less than 100 with a disc with some
damage.
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DV-505, DVL-909, DV-S9
3.8.3 Startup Sequence
The basic flow is shown below. The parentheses indicate a limitation:
“base” represents base models, such as the DV-505 and DV-S9,
and “compatibles” represents DVD-LD compatible models, such as
the DVL-909.
(1) Closes the tray.
(2) Runs the tilt servo for 1.5 seconds (compatibles).
(3) Detects the peak.
(4) Distinguishes the disc.
(5) SGC
(6) Turns on the focus servo.
(7) Turns on the tilt servo (compatibles).
(8) Starts the spindle rotation.
(9) ATB
(10) Measures the MIRR modulation degree.
(11) Turns on the tracking servo.
(12) Turns on the slider servo.
(13) Turns on the spindle servo.
(14) Focus AGC
(15) Tracking AGC
(16) AFB
(17) Plays AGC (base for CDs)
(18) Plays back.
∗ For a 2-layer DVD, steps (9) through (16) are repeated for each
layer.
∗ When starting up with [TV/LDP] in Test mode, all the steps (1)
to (18) are performed for a DVD, and steps (1) to (10) are
performed for a CD.
3.8.4 Peak Detection
Overview
This is a new function to measure the size and location of the sine
wave related to focus errors at the beginning. The measurement is
performed in the normal startup process and in Test mode, as well.
If the sine wave is small, the OE IC gain is switched. Only the
judgment for NO DISC is accomplished at this time. The operation
is in effect as for judgment for DISC .
Using the Function in Test Mode
This function is not assigned to any remote control keys. Only an
open/close operation can trigger the function.
3.8.5 Disc Distinction
Overview
This function is almost the same as that with the first-generation
models. The only difference is as follows: If an error occurs in the
startup sequence and playback cannot be started, startup is retried
after forcibly switching the disc distinction from DVD to CD or
vice verse by a backup process. If startup fails again, it is canceled,
and an error is generated. The types of error that triggers the backup
process for disc distinction are discussed in the next section.
Using the Function in Test Mode
This function is not assigned to any remote control keys. Only an
open/close operation can trigger the function.
3.8.6 SGC
Overview
This is a new function to maintain the sine wave related to focus
errors to a certain size so that the sine wave shows 1.8 V for the Pto-P value.
This operation is performed each time after judging disc presence
and distinction in the normal startup process and in Test mode, as
well. The operation is achieved by switching the FE gain inside the
RF IC (LA9700) by using the voltage at the SGC connector (pin 22)
of the RF IC.
Using the Function in Test Mode
This function is not assigned to any remote control keys. Only an
open/close operation can trigger the function.
3.8.7 Measurement of MIRR Modulation
Degree
Overview
The slice voltage of the RF signal is measured and used in the
calculation to generate the MIRR signal. This operation is made in
synchronization with ATB ON/OFF in normal startup and in Test
mode, as well.
3.8.8 AFB (Auto Focus Bias) Function
Overview
Among the first-generation models, this function supports only CDs
with the basic models, such as the DV-7. Among the new models,
this function supports DVDs with all models, but CDs only with the
basic models. The operation is executed only once (once for each
layer for a 2-layer DVD) after the focus and tracking AGC at startup.
The operation is accomplished not by centering the focus servo to
Vref (2.5 V), but by gradually changing the center value for the
optimum jitter value. Thus, performance with an improper or dirty
disc (by fingerprints, etc.), or the temperature characteristics (at 0°C,
35°C, etc.) will be improved.
OverviewUsing the Function in Test mode
(the Remote Control Keys to be Used are
Indicated in Brackets)
As the function is to be synchronized with AGC, turn on and off
AFB by pressing [TEST] + [7]. The jitter value measurement cannot
be made with AFB ON.
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DV-505, DVL-909, DV-S9
3.8.9 PLAY AGC
Overview
The SGC voltage is adjusted during playback according to the RF
signal level. (For details on SGC, see section 3.8.6.)
Only for CDs in basic models, such as the DV-505 (including the
DV-S9), this adjustment is made only once immediately after AFB
during startup. In Test mode, it synchronizes with AGC ON/OFF.
The operation is achieved through adjustment in the Servo DSP
(LC78650), and the SGC voltage is output via AUX0 (pin 44).
Using the Function in Test Mode
(the Remote Control Keys to be Used are Indicated
in Brackets)
As the function is to be synchronized with AGC, turn on and off
AFB by pressing [TEST] + [7].
3.9 Additional Descriptions of Error
Generation
This section describes the major errors of the mechanism-control
computer.
(1) DISC Distinction Error (Error 38)
The most common error. The tracking overcurrent error (Error c3),
Defocus error (Error 33), spindle errors (Errors 41 to 4b), auto
sequence errors (Errors 51 to 55) and code misread errors (71 to 74)
often lead to this error.
(2) Search Errors (Errors 11, 12, 19)
Almost all cases where playback suddenly stops may involve these
errors. They may be generated because of defects on the disc, or if
the pickup goes too far over the inner periphery with DVD/LDcompatible models. As with the code misread errors below, they
can also be generated by a dirty disc or bad jitters.
(5) Automatic Sequence Errors (Errors 51 to 55)
If any automatic sequence (auto execution command) of the servo
DSP is not completed, these errors are generated. The causes differ
among error numbers. They may be caused by abnormalities in the
communication line between the mechanism-control computer
(PD4889A) and the servo DSP or instability of the XABUSY
connector (pin 38) of the mechanism-control computer.
(6) DSP Communication Errors (Errors a1 to a6)
These errors will be generated if the mechanism-control computer
cannot properly communicate with the servo DSP. They may be
caused by instability of the XCBUSY connector (pin 8) of the
mechanism-control computer, instability of the communication line
between the mechanism-control computer and the servo DSP, or a
defect in the servo DSP.
(7) DVD Block Noise, etc.
Block noise and momentary picture freeze (∗) with a DVD are not
regarded as errors, but the causes of these symptoms in the Servo
system may be:
(1) A search takes a long time (leading to a search error if it worsens).
(2) Codes cannot be read clearly (leading to a code misread error if
it worsens).
If the value to the right in the “ER:
on the screen by pressing the ESC and DISP keys of the remote
control in Test mode is greater than 5, the cause may be (1). If
the value is less then 3, the cause may be (2).
(∗) With a specific 2-layer disc with which playback continues from
layer 1 to 2 or vice versa, the picture may be seen momentarily
stop. This may be attributed to the performance of the player.
Players of other manufacturers have the same symptoms to
varying degrees.
: e–” indication displayed
(3) Code Misread Errors (Errors 71 to 74)
Almost all cases where the inserted disc does not start or immediately
stops playing may involve these errors. They may be generated
because of a dirty disc or bad jitters. A bad jitter may be caused by
a dirty disc, decentering, surface deflection, birefringence (double
reflection), or a pickup problem (dirty lens, etc.), misadjustments of
the pickup, improper automatic adjustment, or incomplete
adjustments.
(4) Spindle Errors (Errors 48, 49)
An FG transition timeout (Error 48) may be generated because of
instability of the FG signal or unavailability of spindle drive voltage.
A PLL transition timeout (Error 49) can be generated with a dirty
disc.
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DV-505, DVL-909, DV-S9
4. IC INFORMATION
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.