Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
29
HCD-C770/C990
2-7. Disc Check Memory
Disc Check Memory
1. SL Disc check
2. SL Disc check
3. SL Disc check
Exit: RETURN
On this screen, measure the mirror time of chucked disc, and write
to the EEPROM.
to the EEPROM.
2-8. Error Rate Display
Error Rate Display
UC
CR
ADD
PI1 Err
Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PI2 Err
Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
PO Err
Now xx xxxx xxxxxxxx
Max xx xxxx xxxxxxxx
Avg xx xxxx xxxxxxxx
Exit: RETURN
On this screen, measure and display the error rate.
UC : Incorrect value
CR : Correct value
Add : Address
CR : Correct value
Add : Address
2-9. SACD Water Mark Check
SACD Water Mark Check
PSP AMP
PSN
Start: ENTER
Exit: RETURN
On this screen, measure the PSP AMP value and PSN value of SACD
water mark.
water mark.
3.
MECHA AGING
On the Test Mode Menu screen, selecting
[3]
executes the aging of
the mechanism deck.
### Aging Test MENU ###
Operation Menu
1. Open/Close Test
Exit: RETURN
1)
On the Aging Test MENU screen, press the
[1]
key on the
remote commander to display the Open/Close Test screen.
2)
Insert discs and press the
[ENTER]
key on the remote
commander.
3)
Is starts the aging.
During aging, the disc number, operating status and repeat cycle
are displayed. Aging can be aborted at any time by pressing
the
During aging, the disc number, operating status and repeat cycle
are displayed. Aging can be aborted at any time by pressing
the
x
key. After the operation is stopped, press the
x
key or
[RETURN]
key aging to return to the Aging Test MENU.
4. EMERGENCY HISTORY
On the Test Mode Menu screen, selecting
[4]
displays the
information such as servo emergency history.
The history information from last 1 up to 10 can be scrolled with
the O key or o key. Also, specific information can be displayed
by directly entering that number with ten keys.
The history information from last 1 up to 10 can be scrolled with
the O key or o key. Also, specific information can be displayed
by directly entering that number with ten keys.
### EMG. History ###
Laser Hours
CD
xxxxhxxm
DVD
xxxxhxxm
a.
bb xx xx xx xx xx xx xx
xx xx xx xx xx xx xx xx
a.
bb xx xx xx xx xx xx xx
xx xx xx xx xx xx xx xx
Select:1-9
Scroll:UP/DOWN
(1.Latest EMG.)
Exit: RETURN
xxxxhxxm : The laser on total hours. Data below minutes are
omitted.
a.
: Error number.
bb
: Error code.
xx
: Not used.
• Clearing History Information
Clearing laser hours:
Press the
[DVD DISPLAY]
and
[CLEAR]
keys in this order.
Then both CD and DVD data are cleared.
Clearing emergency history:
Press the
[DVD TOP MENU]
and
[CLEAR]
keys in this order.
Initializing set up data:
Press
[DVD MENU]
and
[CLEAR]
keys in this order.
The data have been initialized when “Set Up Initialized”
message is displayed. The EMG. History screen will be restored
soon.
message is displayed. The EMG. History screen will be restored
soon.
30
HCD-C770/C990
• Code list of Emergency History
10: Communication to RF AMP (IC001) failed.
11: Each servo for focus, tracking, and spindle is unlocked.
12: Check sum error of EEPROM (IC203).
14: Communication to servo DSP (IC401) failed, or servo DSP
11: Each servo for focus, tracking, and spindle is unlocked.
12: Check sum error of EEPROM (IC203).
14: Communication to servo DSP (IC401) failed, or servo DSP
decoder (IC801) is faulty.
15: Communication to DVD decoder (IC701) failed, or DVD
decoder (IC801) is faulty.
16: Communication to DSD decoder (IC801) failed, or DSD
decoder (IC801) is faulty.
20: Initialization of sled servo failed. It is not placed in the ini-
tial position.
23: Sled servo operation error.
24: Made a request to move the sled servo to wrong position.
30: Tracking balance adjustment error.
31: Tracking gain adjustment error.
33: Focus bias adjustment error.
34: Focus gain adjustment error.
35: Equalizer adjustment error.
40: Focus servo does not operate.
41: With a DVD dual layer disc, focus jump failed.
50: CLV (spindle) servo does not operate.
51: Spindle does not stop.
60: Made a request to seek nonexistent address.
61: Seek error of retry more than regulated times.
70: Control data could not be read.
80: Disc reading failed.
24: Made a request to move the sled servo to wrong position.
30: Tracking balance adjustment error.
31: Tracking gain adjustment error.
33: Focus bias adjustment error.
34: Focus gain adjustment error.
35: Equalizer adjustment error.
40: Focus servo does not operate.
41: With a DVD dual layer disc, focus jump failed.
50: CLV (spindle) servo does not operate.
51: Spindle does not stop.
60: Made a request to seek nonexistent address.
61: Seek error of retry more than regulated times.
70: Control data could not be read.
80: Disc reading failed.
5. MECHA ERROR HISTORY
On the Test Mode Menu screen, selecting
[5]
displays the information
of mechanism deck error history.
The history information from last 1 up to 8 can be scrolled with the
The history information from last 1 up to 8 can be scrolled with the
O key or o key. Also, specific information can be displayed by
directly entering that number with ten keys.
### Mecha Error History ###
1. aa bb cc dd xx xx xx xx
2. aa bb cc dd xx xx xx xx
3. aa bb cc dd xx xx xx xx
4. aa bb cc dd xx xx xx xx
5. aa bb cc dd xx xx xx xx
6. aa bb cc dd xx xx xx xx
7. aa bb cc dd xx xx xx xx
8. aa bb cc dd xx xx xx xx
Scroll:UP/DOWN
(1.Latest Err.)
Exit: RETURN
aa : The error in the midst of initializing the mechanism deck.
bb : The error in the midst of loading operation.
cc : The error in the midst of up/down the stocker.
dd : The error in the midst of switching the mechanism deck mode.
xx : Not used.
bb : The error in the midst of loading operation.
cc : The error in the midst of up/down the stocker.
dd : The error in the midst of switching the mechanism deck mode.
xx : Not used.
• Error code (aa)
FF : Complete the initializing. (normal operation)
11 : Stocker movement (to chucking position) failing in the midst
11 : Stocker movement (to chucking position) failing in the midst
of initializing the mechanism deck.
12 : Stocker movement (to chucking position) failing in the midst
of initializing the mechanism deck.
1x : Initializing the mechanism deck.
2x : Initializing the mechanism deck.
3x : Initializing the mechanism deck.
41 : Disc eject failing in the midst of initializing the mechanism
2x : Initializing the mechanism deck.
3x : Initializing the mechanism deck.
41 : Disc eject failing in the midst of initializing the mechanism
deck.
4x : Initializing the mechanism deck.
50 : Disc eject failing in the midst of initializing the mechanism
50 : Disc eject failing in the midst of initializing the mechanism
deck.
5x : Initializing the mechanism deck.
A2 : Disc eject failing in the midst of initializing the mechanism
A2 : Disc eject failing in the midst of initializing the mechanism
deck.
Ax : Initializing the mechanism deck.
D3 : Disc eject failing in the midst of initializing the mechanism
D3 : Disc eject failing in the midst of initializing the mechanism
deck.
Dx : Initializing the mechanism deck.
Ex : Initializing the mechanism deck.
Ex : Initializing the mechanism deck.
•
Error code (bb)
00 : Initializing the mechanism deck.
10 : Retry over of eject and loading.
30 : Open operation in no disc status.
60 : Retry over of eject and loading.
70 : Disc is chucking position.
81 : Retry failed of disc movement from chucking position to
10 : Retry over of eject and loading.
30 : Open operation in no disc status.
60 : Retry over of eject and loading.
70 : Disc is chucking position.
81 : Retry failed of disc movement from chucking position to
stocker.
83 : Retry preparation failed of disc movement from chucking
position to stocker.
90 : Disc is stored in the stocker.
A1 : Retry failed of disc movement from stocker to chucking
A1 : Retry failed of disc movement from stocker to chucking
position.
A3 : Retry preparation failed of disc movement from stocker to
chucking position.
B0 : Just before the release operation.
B1 : Retry failed of the release operation.
B1 : Retry failed of the release operation.
• Error code (cc)
10 : Under a stop.
22 : Retry preparation failed.
23 : Retry failed.
22 : Retry preparation failed.
23 : Retry failed.
• Error code (dd)
10 : Under a stop.
22 : Retry preparation failed.
23 : Retry failed.
22 : Retry preparation failed.
23 : Retry failed.
HCD-C770/C990
31
31
6.
VERSION INFORMATION
On the Test Mode Menu screen, selecting
[6]
displays the ROM
version and region code.
The parenthesized hexadecimal number in version field is
checksum value of ROM.
The parenthesized hexadecimal number in version field is
checksum value of ROM.
## Version Information ##
IF con.
Ver.x. xx
SYScon.
Ver.x. xx (xxxx)
Model
DAV-Cxxx
Region
0x
Front End Ver.x.xx
Exit: RETURN
IF con.
: The version of system controller (IC901).
SYScon. : The version of DVD system processor (IC206).
Front End : The version of mechanism controller (IC301).
Front End : The version of mechanism controller (IC301).
7. VIDEO LEVEL ADJUSTMENT
On the Test Mode Menu screen, selecting
[7]
displays color bars
for video level adjustment. During display of color bars, OSD dis-
appears but the menu screen will be restored if pressing the
appears but the menu screen will be restored if pressing the
[RE-
TURN]
key.
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) are re-
placed, re-adjusting the servo circuit is necessary. Select “ALL” at
“1. DRIVE AUTO ADJUSTMENT” (Refer to page 25 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
(IC401), motor driver (IC501), EEPROM (IC302) so on) are re-
placed, re-adjusting the servo circuit is necessary. Select “ALL” at
“1. DRIVE AUTO ADJUSTMENT” (Refer to page 25 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
SECTION 6
ELECTRICAL ADJUSTMENTS
Ver 1.6
RF LEVEL CHECK
Connection:
Procedure:
1. Connect an oscilloscope to test point 1 pin and 3 pin of
1. Connect an oscilloscope to test point 1 pin and 3 pin of
CN301 on the DVD board.
2. Turn the power on.
3. Put the disc (LUV-P01) (Part No.: 4-999-032-01) (CD) in to
3. Put the disc (LUV-P01) (Part No.: 4-999-032-01) (CD) in to
playback.
4. Confirm that oscilloscope waveform is clear and check RF sig-
nal level is correct or not.
5. Put the disc (TDV-520CSO) (Part No.: J-2501-236-A) (DVD)
in to playback.
6. Perform confirmation in the same manner as step 4.
Note:
A clear RF signal waveform means that the shape “
◊
” can be clearly
distinguished at the center of the waveform.
Checking Location:
DVD board
oscilloscope
+
–
–
CN301
1
pin
CN301
3
pin
RF signal waveform
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
CD: 1.05
±
0.2 Vp-p
DVD: 1.09
±
0.2 Vp-p
CN301
1
7
– DVD Board (Component Side) –
HCD-C770/C990
32
32
SECTION 7
DIAGRAMS
7-1.
BLOCK DIAGRAM – RF SERVO Section –
DETECTOR
1
63
3
4
5
6
9
10
11
12
14
15
16
13
18
17
62
61
53
52
54
55
59
60
DVDRFP
RFSIN
A2
B2
C2
D2
CD E
CD F
A
B
C
D
C
D
B
A
D
D
C
B
A
D
D
C
CD A
CD B
CD C
CD C
CD D
CDLD
CDPD
DVDLD
V125
DVDPD
ATOP
ATON
FNP
FNN
AIP
AIN
DIP
DIN
57
27
40
39
47
46
48
CD/DVD/SACD RF AMP,
FOCUS/TRACKING ERROR AMP
IC001
OPTICAL PICK-UP
BLOCK
(TDP022W)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
22
24
21
23
36
48
37
1
AUTOMATIC POWER
CONTROL (FOR DVD)
Q001
AUTOMATIC POWER
CONTROL (FOR CD)
Q002
LASER DIODE
SELECT
Q301
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
34
3
35
4
TRACKING COIL
DRIVE
32
31
33
34
20
22
19
8
40
41
39
43
31
32
29
30
SLED MOTOR
DRIVE
FOCUS/TRACKING COIL DRIVER,
SPINDLE, SLED MOTOR DRIVER
IC501
27
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
19
47
46
45
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SLED A
SLED B
SLED
AMP
IC402 (1/2)
26
SE
TE
FE
RFDC
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR
IC401
MIRR
FF
FR
FOK
COUT
SCLK
RF
A
B
C
D
F
E
CD LD
PD
DVD LD
FCS+
FCS–
TRK+
TRK–
SW
INLIM
D
C
B
A
RFAC
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
TE
FE
PI
PI
FE
TE
SDATA
SCLK
SDEN
LDON
FCS JMP 2
FCS JMP 1
• SIGNAL PATH
: CD PLAY
: DVD PLAY
: SACD PLAY
50 RFAC
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
40
42
36
42
MNTR
BUFFER
MUTE12
20
MUTE34
21
MUTE5
22
TSD-M
13
7
10
43
FG
62
MUTE 2D
60
SP ON
63
TSD
73
BUFFER
MECHANISM
CONTROLLER
IC301 (1/2)
61
7
LD ON
28
INLIM
LDSEL
76
31
SDEN
2
FE
67
PI
66
COUT CD
30
SDA
5
SCL
6
WP
7
15
SCOR
66
PCMD
CDDOUT
64
DOUT
67
BCLK
65
LRCK
14
C2PO
17
WDCK
10
WFCK
80
EXCK
79
SBSO
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
27M
768FS
SBSO
2
XRST
25
MDP
SCOR
SCOR
26
24
LOCK
LOCK CD
75
13
GFS
GFS CD
71
3
MUTE
MUTE CD
59
7
SENS
SENS CD
9
76
SQSO
SQSO
52
SCLK CD
72
4
DATA
DATA CD
49
63
MD2
71
XTAI
DOCTR/
ISBTEST
ISBTEST
3
77
SQCK
85
XRD
XRD
17
58
GFS DVD
GFS
107
45
109
JIT OFFSET
AEP0
64
JIT
77
SACD/DVD
84
XWR
XWR
18
12
XCS DVD
XCS
19
25
XRST DVD
XRST
164
22
INT0 DVD
XINT0
20
23
INT1 DVD
XINT1
21
SQCK
54
6
CLOK
CLOK CD
50
5
XLAT
LAT CD
27
FOK CD
74
MIRR
29
TE
65
SDCLK RF
82
SDATA RF
83
44
38
42
VC
CE
26 SSTP
AVC
(1.65V)
MIRR
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
26
HDB8
49
XSHD
93
MNT2
48
XDCK
46
XSAK
53
XSRQ
92
MNT1
17 WE
76
WE
33 OE
94
XMOE
18 RAS
78
XRAS
34 UCAS
95
XCAS
117 RFIN
135 SPO
137 MDIN2
170 XTAL
169 XTA2
167 XTA1
DVD DECODER
IC701
16Mbit
D-RAM
IC706
160 MDAT
158 BCK
163 LRCK
155 C2PO
146 GSCOR
163 LRCK
155 C2PO
146 GSCOR
HDB0 – HDB7
MDB0 – MDB9,
MDBA – MDBF
I/O0 – I/O15
A0 – A9
151 WFCK
147 EXCK
148 SBIN
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
SCOR
SBSO
150 SCOR
BUFFER
IC703 (2/2)
COMPARATOR
IC703 (1/2)
CLOCK
GENERATOR
IC303
66-69, 71, 73-75, 96, 97,
99, 101, 102, 104-106
2-5, 7-10,
41-44, 46-49
44, 41, 39, 35,
32, 30, 27, 24
21-24,
27-32
MA0 – MA9
79, 80, 82-87,
89, 91
35 LCAS
TF
8
TR
FF
FR
FF
FR
TF
TR
7
8
XTI
XTO
98
XDRST
D0 – D7
D0 – D7
13 9
SO3
SO1
10 3
SO2
MO1
X302
27MHz
14-21
172-176, 1, 2, 4
A0 – A7
A0 – A7
89-96
5, 7, 9-14
B
(Page 33)
WARFI
A
(Page 33)
AV DATA BUS
SD0 – SD7
(for VIDEO SYSTEM)
SD0 – SD7
(for AUDIO SYSTEM)
C
(Page 33)
XSRQ
K
(Page 33)
XSRQ-ZIVA
L
(Page 35)
M
(Page 33)
WCK
G
(Page 33)
XRST_DSD
J
(Page 33)
768FS
I
(Page 35)
27M
H
(Page 33)
XDCK, XSAC, SDEF, XSHD
(for AUDIO SYSTEM)
XDCK, XSAC,, SDEFF
(for VIDEO SYSTEM)
(for VIDEO SYSTEM)
XDCK
XSAC
SDEF
XSHD
E
(Page 33)
D
(Page 35)
F
(Page 35)
5
EEP SI
99
EEP CLK 100
EEP CS
47
SDIN DSD
46
SDOUT DSD
24
SCK DSD
51
XMSLAT
48
READY DSD
53
MUTE DSD
MSDATO
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
6
EEP RDY
SACD/DVD
SELECT
IC814
EEPROM
IC302
: VIDEO
: AUDIO
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