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Model
MHC-V6D
Pages
108
Size
9.71 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
mhc-v6d.pdf
Date

Sony MHC-V6D Service Manual ▷ View online

MHC-V6D
37
•  Execute IOP Measurement
 
In order to execute IOP measurement, the following standard 
procedures must be followed.
1.  From the Top Menu of Remocon Diagnosis Menu, select “2. 
Drive Manual Operation” by pressing the [2] button on the 
remote commander. The following screen appears on the on-
screen display.
Drive Manual Operation
1. Servo Control
2. Track/Layer Jump
3. Manual Adjustment
4. Tray Aging Mode
5. MIRR time Adjust
0. Return to Top Menu
2.  Select “3. Manual Adjustment” by pressing the [3] button on 
the remote commander. The following screen appears on the 
on-screen display.
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop:
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
O
 
o Change Value
[RETURN] Return to previous menu
3.  Select “6. Iop:” by pressing the [6] button on the remote com-
mander.
4.  Wait until a hexadecimal number appears in the on-screen dis-
play as below:
Manual Adjust
1. Track Balance Adjust:
2. Track Gain Adjust:
3. Focus Balance Adjust:
4. Focus Gain Adjust:
5. Eq Boost Adjust:
6. Iop: ED
7. TRV. Level:
8. S curve(FE) Level:
9. RFL(PI) Level:
0. MIRR Time:
O
 
o Change Value
[RETURN] Return to previous menu
 
(Displayed values in the above fi gure are example)
5.  Convert data from hexadecimal to decimal by using conver-
sion table.
6. Please 
fi nd the label on the rear of the BU (Base Unit).
 
The default IOP value is written in the label.
7.  Subtract between these two values.
8.  If the remainder is smaller than 93 (decimal), then it is OK.
 
However if the value is higher than 93, then the BU is defec-
tive and need to be change.
9.  Press the [RETURN] button on the remote commander to re-
turn to previous menu.
10. Press the [0] button on the remote commander to return to the 
Top Menu of Remocon Diagnosis Menu.
11.  Press the [
?/1
] button to turn the power off.
•  Check Emergency History
 
To check the emergency history, please follow the following 
procedure.
1.  From the Top Menu of Remocon Diagnosis Menu, select “3. 
Emergency History” by pressing the [3] button on the remote 
commander. The following screen appears on the on-screen 
display.
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
[0]  Return to Top Menu
 
(Displayed values in the above fi gure are example)
2.  You can check the total time when the laser is turned on during 
playback of DVD and CD from the above menu. The maxi-
mum 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 the [
.
] button or [
>
] button 
 
on the remote commander. The error code consists of “Error 
Code”, “Parameter of error code” and “Time of error code”.
• Error 
Code
Example of Error code
01.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
 
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
 
51: Spindle stop error
 
52: Open kick spindle 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
MHC-V6D
38
•  Parameter of error code
 
This is the detail of error code.
Example of Error code
01.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
•  Time of error code
 
This is the laser time when an error occurred.
Example of Error code
01.  01  05  04  04
00  92  46  00
00  00  00  00
00  00  23  45
To clear the Laser Hours
While pressing the [SHIFT] button on the remote commander, 
press the [
 DISPLAY] button on the remote commander and then 
press the [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
[0]  Return to Top Menu
To clear the Emergency History
Press the [DVD TOP MENU] button on the remote commander. 
And then while pressing the [SHIFT] button on the remote com-
mander, press the [CLEAR] button on the remote commander.
The error code for all emergency history would be reset.
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
[0]  Return to Top Menu
To clear the Initialize Setup Data
Press the [DVD/TUNER MENU] button on the remote command-
er. And then while pressing the [SHIFT] button on the remote com-
mander, press the [CLEAR] button on the remote commander.
Emg. History Check
Initialiez setup data ...
Laser Hours
CD
999h
59min
DVD
999h
59min
[Next]Next Page [Prev]Prev Page
[0]  Return to Top Menu
To return to the Top Menu of Remocon Diagnosis Menu
Press the [0] button on the remote commander.
•  Check Version Information
 
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.
[0]  Return to Top Menu
Version Information
Firm(Main): Ver. x.xxx
Firm(Sub): xx.xx
RISC: xxxxxx
8032: xxxxxx
Audio DSP: xx.xx.xx.xx
Servo DSP: xx.xx.xx.xx
 
To return to the Top Menu of Remocon Diagnosis Menu, press 
the [0] button on the remote commander.
MHC-V6D
MHC-V6D
39
39
SECTION  4
ELECTRICAL  CHECK
TUNER SECTION      0 dB = 1 V
FM  TUNE  LEVEL  CHECK
signal 
generator
unit
Procedure:
1.  Press the [
?
/
1
] button to turn the power on.
2.  Input the following signal from signal generator to FM antenna 
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation 
: 75 kHz
Modulation 
: 1 kHz
ANT input 
: 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the unit. 
You cannot use video cable for checking.
 
  Use signal generator whose output impedance is 75 ohm. 
3.  Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C signals.
When the selected station signal is received in good condition,
“TUNED” is displayed.
MHC-V6D
MHC-V6D
40
40
SECTION  5
DIAGRAMS
5-1.  BLOCK DIAGRAM - CD/USB Section -
      B
REC/PLAY
5V      500mV
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC401
SYSTEM CONTROLLER
IC101 (1/4)
: DISC PLAY
: AUDIO
: USB
SIGNAL PATH
OPTICAL PICK-UP BLOCK
(CMS-S76RFS7G)
MS-476 BOARD
RF AMP, SERVO/AUDIO PROCESSOR
IC301
VOA/A
RF
VC
MTK-MCK
ASDATA0
ASDATA0, MTK-BCK,
MTK-LRCK, MTK-MCK
ADIN
MTK-BCK
MTK-LRCK
123 RFIP
1 RF_C
VOB/B
128 RF_B
VOC/C
127 RF_A
VOD/D
2 RF_D
VOE/E+G
4 RF_F
VOF/F+H
3 RF_E
10 V20
LD (780)
14 LDO1
PD
13 MDI1
NC (LIMIT)
44 LIMITSW
AUTOMATIC POWER
CONTROL (FOR CD)
Q402
LD (650)
15 LDO2
MSW
VR (780)
11 V14/VREF0
27
BIAS
VR (650)
17 DMO
4
VINSL+
11 VOSL+
12 VOSL–
SP+
SP–
18 FMO
23
VINLD
17 VOLD+
18 VOLD–
SL+
SL–
21 TRO
26
VINTK
16 VOTK–
15 VOTK+
TRK+
TRK–
22 FOO
1
VINFC
45 MUTE
28
MUTE
2 SO
5 SI
SERIAL FLASH
IC302
31
SF_DO
24
USB_DM
25
USB_DP
106
ADIN
100
CVBS
118
ASDATA0
113
ABCK
117
ALRCK
112
ACLK
32
SF_DI
6 SCK
33
SF_CK
1 _CS
30
SF_CS#
RD0 – RD15
17 CAS
DG0, DQ1 – DQ15
RA0 – RA11
A0 – A9, 
A10/AP, A11
18 RAS
SD-RAM
IC306
82
CAS#
83
RAS#
15 LDQM
61
DQM0
39 UDQM
70
DQM1
20 BA0
21 BA1
85
BA0
86
BA1
38 CLK
72
RCLK
16 WE
80
RWE#
14 VOFC+
13 VOFC–
FCS+
122 CD-MOTOR+
6
FWD
124 CD-MOTOR–
3 CDM-UNLOAD-SW
4 CDM-LOAD-SW
7
REV
10 VOTR+
9 VOTR–
FCS–
LOAD+
LOAD–
TRAY-IN
TRAY-OUT
23 MSW
19 CD_VR
20 DVD_VR
AUTOMATIC POWER
CONTROL (FOR DVD)
Q401
40
22
IFSDI
MTK-SDO
35
20
IFSDO
MTK-SDI
34
17
IFSCK
MTK-CLK
42
19
IFCS#
MTK-XIFCS
41
16
IFBSY
MTK-BUSY
38
15
PRST#
MTK-RESET
13
HUB-RESET
2
VIDEO-MUTE
8
XTALO
7
XTALI
X301
27MHz
3
2
D+
D–
CN2204
23 DM0
24 DP0
USB HUB CONTROLLER
IC451
1
DM1
2
DP1
3
2
D+
D–
CN2203
3
DM2
4
DP2
14
RESET
>001B
>002B
      A
PLAY
5V      500mV
8 X2
7 X1
X451
12MHz
4 VIN
VIDEO AMP
IC901
2
VOUT
3
VSAG
1
POWER SAVE
J2400
VIDEO OUT
: VIDEO
5 SDA
6 SCL
EEPROM
IC304
47
SDA
48
SCL
7 WE
46
EEWP
(Page 41)
(Page 41)
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