Sony DAV-DZ20 / HCD-DZ20 Service Manual ▷ View online
21
HCD-DZ20
7-4. EMERGENCY HISTORY
To check the emergency history, please follow the following
procedure.
procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “3.
Emergency History Check” by pressing the 3 button on the
remote commander. The following screen appears on the on-
screen display.
remote commander. The following screen appears on the on-
screen display.
(2) You can check the total time when the laser is turned on during
playback of DVD and CD from the above menu. The maximum
time, which can be displayed are 999h 59min.
time, which can be displayed are 999h 59min.
(3) You can check the error code of latest 10 emergency history
from the above menu. To view the previous or next page of
emergency history, press . or > button on the remote
commander. The error code consists of the following three
blocks. The first block indicates the error code. The second
block indicates the parameter and the third block indicates the
time of error code as shown below.
emergency history, press . or > button on the remote
commander. The error code consists of the following three
blocks. The first block indicates the error code. The second
block indicates the parameter and the third block indicates the
time of error code as shown below.
• Error Code
*1 : Error Code
*2 : Parameter of error code
*3 : Time of error code
*2 : Parameter of error code
*3 : Time of error code
The meaning of error code is as below:
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 Changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33: TE sensor adjustment error
34: TE loop gain adjustment error
35: FE loop gain adjustment error
36: Bad jitter after adjustment
40: Focus NG
42: Focus layer jump NG
01: Communication error (No reply from syscon)
02: Syscon hung up
03: Power OFF request when syscon hung up
19: Thermal shutdown
24: MoveSledHome error
25: Mechanical move error (5 Changer)
26: Mechanical move stack error
30: DC motor adjustment error
31: DPD offset adjustment error
32: TE balance adjustment error
33: TE sensor adjustment error
34: TE loop gain adjustment error
35: FE loop gain adjustment error
36: Bad jitter after adjustment
40: Focus NG
42: Focus layer jump NG
Emg. History Check
01. 01 05 04 04
Laser Hours
CD
999h
59min
DVD
999h
59min
00 92 46 00
00 00 00 00
00 00 23 45
02. 02 02 01 01
00 A9 4B 00
00 00 00 00
00 00 23 45
[Next] Next Page [Prev] Prev Page
[O] Return to Top Menu
[O] Return to Top Menu
Emg. History Check
01. 01 05 04 04
Laser Hours
CD
999h
59min
DVD
999h
59min
00 92 46 00
00 00 00 00
00 00 23 45
02. 02 02 01 01
00 A9 4B 00
00 00 00 00
00 00 23 45
[Next] Next Page [Prev] Prev Page
[O] Return to Top Menu
[O] Return to Top Menu
*
1
*
2
*
3
52: Open kick spindle error
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type
51: Spindle stop error
60: Focus on error
61: Seek fail error
62: Read Q data/ID error
70: Lead in data read fail
71: TOC read time out (CD)
80: Can’t buffering
81: Unknown media type
7-4-1. Clear the Laser Hour
Press
DISPLAY button and then press CLEAR button on the
remote commander. The data for both CD and DVD data are reset.
Emg. History Check
01. 01 05 04 04
Laser Hours
CD
0h
0min
DVD
0h
0min
00 92 46 00
00 00 00 00
00 00 23 45
02. 02 02 01 01
00 A9 4B 00
00 00 00 00
00 00 23 45
[Next] Next Page [Prev] Prev Page
[O] Return to Top Menu
[O] Return to Top Menu
Emg. History Check
01. 00 00 00 00
Laser Hours
CD
999h
59min
DVD
999h
59min
00 00 00 00
00 00 00 00
00 00 00 00
02. 00 00 00 00
00 00 00 00
00 00 00 00
00 00 00 00
[Next] Next Page [Prev] Prev Page
[O] Return to Top Menu
[O] Return to Top Menu
7-4-2. Clear the Emergency History
Press DVD TOP MENU button and then press CLEAR button on
the remote commander. The error code for all emergency history
would be reset.
the remote commander. The error code for all emergency history
would be reset.
7-4-3. Clear the Initialize Setup Data
Press DVD MENU button and then press CLEAR button on the
remote commander.
remote commander.
Emg. History Check
initialize setup data...
Laser Hours
CD
999h
59min
DVD
999h
59min
[Next] Next Page [Prev] Prev Page
[O] Return to Top Menu
[O] Return to Top Menu
22
HCD-DZ20
Version information
[O] Return to Top Menu
Firm (Main) : Ver. xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
Firm (Sub) : xxxxx
RISC : xxxxx
8032 : xxxxx
Audio DSP : xxxxx
Servo DSP : xxxxx
7-4-4. Return to the Top Menu of Remocon Diagnosis
Menu
Press 0 button on the remote commander.
• Check Version Information
To check the version information, please follow the following
procedure.
To check the version information, please follow the following
procedure.
(1) From the Top Menu of Remocon Diagnosis Menu, select “4.
Version Information” by pressing the 4 button on the remote
commander. The following screen appears on the on-screen
display.
commander. The following screen appears on the on-screen
display.
To return to the Top Menu of Remocon Diagnosis Menu, press
0 button on the remote commander.
0 button on the remote commander.
8. DEMO PLAY OUT
It is a mode to release the demonstration reproduct by the dedicated
demonstration disc.
Setting Procedure:
demonstration disc.
Setting Procedure:
1. Press the
?/1
button to turn the set on.
2. Press the FUNCTION button to set the function “DVD”.
3. During playback the DEMO Disc, press the x and H
3. During playback the DEMO Disc, press the x and H
buttons for five seconds simultaneously.
4. The message “DEMO OFF” is displayed, a mode to reproduct
the demonstration is released.
9. VOLUME TEST
Procedure:
1. Press the
?/1
button to turn the set on.
2. Press three buttons . , H and > simultaneously.
3. The message “VOLUME MIN” is displayed.
4. When the VOLUME control is turned in the direction of (+),
3. The message “VOLUME MIN” is displayed.
4. When the VOLUME control is turned in the direction of (+),
the message “VOLUME MAX” is displayed.
5. When the VOLUME control is turned in the direction of (–),
the message “VOLUME MIN” is displayed.
6. To exit from this mode, press the
?/1
button to turn the set
off, the message “COLD RESET” is displayed.
Note:
The segments of the frame of SPEAKER FORMATION are blinking
while test mode.
10. PROTECTION FACTOR (SD DETECTION/
DC DETECTION) IDENTIFICATION TEST MODE
When an error is detected, the FL tube alternately displays
“PROTECTOR h PUSH POWER”.
“PROTECTOR h PUSH POWER”.
r
Press the
?/1
button.
* Buttons other than the
?/1
button are invalid.
“STANDBY” blinks three times on the FL tube.
r
The protection release state (POWER OFF) is established.
(No FL tube display)
(No FL tube display)
r
Press the
?/1
button.
The power to the system turns on, and the normal operation is
established. (Restore)
established. (Restore)
During the protection state:
1. If the AC plug is connected or disconnected during the
protection state, the protection state is released, and the normal
operation is established. (The protection state is not
maintained.)
operation is established. (The protection state is not
maintained.)
2. The protection factor is displayed by pressing the
FUNCTION , A and > buttons at the same time during
the protection state
(during the “PROTECTOR h PUSH POWER” display).
k When SD is detected: Repeats
the protection state
(during the “PROTECTOR h PUSH POWER” display).
k When SD is detected: Repeats
“SD DETECT h PUSH POWER”.
k When DC is detected: Repeats
“DC DETECT h PUSH POWER”.
PL: SD detection
When the “L” output from the SD (shutdown) port on the S-
MASTER POWER Driver is detected, the power system other
than that of the FL tube is turned off, and the protection state
is established.
DC detection
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube is
turned off, and the protection state is established.
MASTER POWER Driver is detected, the power system other
than that of the FL tube is turned off, and the protection state
is established.
DC detection
When the “L” output from the power/speaker error detection
circuit (DC detection port) is detected for two seconds
continually, the power system other than that of the FL tube is
turned off, and the protection state is established.
23
HCD-DZ20
SECTION 5
ELECTRICAL ADJUSTMENT
DVD SECTION
When the optical pick-up assy is replaced, perform the
“EXECUTING IOP MEASUREMENT”.
“EXECUTING IOP MEASUREMENT”.
EXECUTING IOP MEASUREMENT (See page 20)
[FM Tune Level Check]
Procedure:
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
2. Input the following signal from Signal Generator to FM
antenna input directly.
* Carrier Freq : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
: 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
ANT input : 35 dBu (EMF)
Note:
Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and tune A, B and C signals.
4. Confirm “TUNED” is lit on the display for A, B and C signals.
4. Confirm “TUNED” is lit on the display for A, B and C signals.
The mark of “TUNED” means “The selected station signal is
received in good condition.”
received in good condition.”
TUNER SECTION
generator
OUT (75
Ω
)
SET
24
HCD-DZ20
SECTION 6
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in
Note:
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
THIS NOTE IS COMMON FOR PRINTED 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.)
•
A
: B+ Line.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
no mark : DVD STOP
tolerances.
no mark : DVD STOP
*
: Impossible to measure
• Voltages are taken with VOM (Input impedance 10 M
Ω
).
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
q
: R, G, B
f
: AUDIO IN (TV/VIDEO)
J
: CD PLAY
c
: DVD PLAY
• Abbreviation
AR
: Argentine model
E3
: 220 – 240 V AC area in E model
E12
: 220 – 240 V AC area in E model
E32
: 110 – 240 V AC area in E model
MX
: Mexican model
RU
: Russian model
SP
: Singapore model
TH
: Thai model
For Printed Wiring Boards.
Note:
•
Note:
•
X
: parts extracted from the component side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
Caution:
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
C
B
These are omitted.
E
Q
C E
B
These are omitted
Note: The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Ver. 1.2
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