Sony HCD-WZ8D / MHC-WZ8D Service Manual ▷ View online
21
HCD-WZ8D
3.
MECHA AGING
On the Test Mode Menu screen, selecting
[3]
executes the aging of
the mechanism deck.
### Aging Test MENU ###
**
Pls use over 40min. CD
**
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
[RETURN]
key. After the operation is stopped, press the
[RETURN]
key 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.
• 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 (IC204).
14: Communication to servo DSP (IC509) failed, or servo DSP
11: Each servo for focus, tracking, and spindle is unlocked.
12: Check sum error of EEPROM (IC204).
14: Communication to servo DSP (IC509) failed, or servo DSP
(IC509) is faulty.
15: Communication to DVD decoder (IC701) failed, or DVD
decoder (IC701) is faulty.
16: Communication to DSD decoder (IC801) failed, or DSD
decoder (IC801) is faulty. (Not used)
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 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 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 xx xx xx xx xx
2. aa bb cc xx xx xx xx xx
3. aa bb cc xx xx xx xx xx
4. aa bb cc xx xx xx xx xx
5. aa bb cc xx xx xx xx xx
6. aa bb cc xx xx xx xx xx
7. aa bb cc xx xx xx xx xx
8. aa bb cc xx xx xx xx xx
Scroll:UP/DOWN
(1.Latest Err.)
Exit: RETURN
22
HCD-WZ8D
aa: Initialization is completed or not.
FF
: Complete.
other number : Not complete.
bb: Operating status of mechanism deck at an error occurred.
(lod sq jcp)
00
00
: Initializing.
10 to 15 : Open operating.
16 to 19 : Kicking cause open failed.
1A to 1F : Open operating.
20 to 27 : Complete the open operation.
28
16 to 19 : Kicking cause open failed.
1A to 1F : Open operating.
20 to 27 : Complete the open operation.
28
: No disc and complete the open operation.
29 to 2F : Complete the open operation.
30 to 3F : Close requesting.
40 to 4F : Open requesting.
50 to 5F : Close operating.
60 to 6F : Complete the chucking operation.
80 to 8F : Complete the release operation.
30 to 3F : Close requesting.
40 to 4F : Open requesting.
50 to 5F : Close operating.
60 to 6F : Complete the chucking operation.
80 to 8F : Complete the release operation.
(BU is home position)
90 to 9F : BU down operating.
A0 to AF : Opening/closing the shutter. Or stationary state in
A0 to AF : Opening/closing the shutter. Or stationary state in
open/close the shutter is enablement.
B0 to BF : BU up requesting.
C0 to CF : BU down requesting.
D0 to DF : BU upping.
E0 to EF : No disc checking in disc loading.
C0 to CF : BU down requesting.
D0 to DF : BU upping.
E0 to EF : No disc checking in disc loading.
cc: Operating status of mechanism deck at an error occurred.
(lod oq jcp)
00
00
: Complete the operation.
10 to 1F : Open operating.
20 to 2F : Close operating.
30 to 3F : Release operating.
60 to 6F : Chucking operating.
70 to 7F : Kicking operating.
80 to 8F : Returning the BU to home position. (after kicking)
20 to 2F : Close operating.
30 to 3F : Release operating.
60 to 6F : Chucking operating.
70 to 7F : Kicking operating.
80 to 8F : Returning the BU to home position. (after kicking)
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
MHC-WZ8D_6D
Region
0x
Config
xxxxxxxx
Front End Ver.x.xx
Exit: RETURN
IF con.
: The version of system controller (IC501).
SYScon. : The version of DVD system processor (IC207).
Front End: The version of mechanism controller (IC901).
Front End: The version of mechanism controller (IC901).
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
disappears but the menu screen will be restored if pressing the
disappears but the menu screen will be restored if pressing the
[RETURN]
key.
23
23
HCD-WZ8D
SECTION 4
DIAGRAMS
Circuit Boards Location
REGULATOR board
ENTER-SW board
CD-TC SW board
BACK LIGHT board
MAIN board
PANEL board
4CH-VOL board
DMB03 board
HP AMP board
MIC board
LCD board
MS-128 board
VIDEO board
RF board
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component
•
2
: nonflammable resistor
•
5
: fusible resistor
•
C
: panel designation
Note on Printed Wiring Boards:
• X
: parts extracted from the component side
• Y
: parts extracted from the conductor side
• b
: Pattern from the side which enables seeing
•
A
: B+ Line
•
B
: B– Line
•
H
: adjustment for repair
• Power voltage is fed with DXA-WZ8D from external con-
nector (SYSTEM CONTROL 1, 2).
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path
F
: AUDIO
L
: VIDEO
E
: PB (TAPE)
a
: REC (TAPE)
J
: CD
c
: DVD
d
: TUNER
h
: MD
N
: Y
O
: CHROMA
P
: COMPONENT VIDEO
• Abbreviation
AUS
: Australian model
E2
: 120V AC area in E model
E3
: 240V AC area in E model
E15
: 220-240V AC area in E model
EA
: Saudi Arabia model
KR
: Korean model
MY
: Malaysia model
PH
: Philippines model
RU
: Russian model
SP
: Singapore model
TH
: Thai model
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.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side:
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
• Indication of transistor
B
These are omitted.
C
E
Q
24
24
HCD-WZ8D
5
IC906
8
(XTO)
37 ns
1 V/DIV, 10 ns/DIV
4.2 Vp-p
8
IC906
qd
(SO3)
29.5 ns
1 V/DIV, 10 ns/DIV
4.3 Vp-p
7
IC906
q;
(SO2)
29.5 ns
1 V/DIV, 10 ns/DIV
4.5 Vp-p
37 ns
1 V/DIV, 10 ns/DIV
9
IC906
3
(MO1)
5.1 Vp-p
wa
IC801
wf
(CYOUTA)
ql
IC801
qk
(CROUTA)
ws
IC801
e;
(V OUTA)
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
H
qd
IC207
<zxb
(VDAC 2)
200 mV/DIV, 20
µ
s/DIV
1.1 Vp-p
H
qs
IC207
<zx,
(VDAC 1)
q;
IC901
r;
(XTAL)
50 ns
1 V/DIV, 20 ns/DIV
200 mV/DIV, 20
µ
s/DIV
3.6 Vp-p
990 mVp-p
H
qa
IC207
<zcz
(VDAC 0)
500 mV/DIV, 20
µ
s/DIV
1.3 Vp-p
H
2.6 Vp-p
H
2.1 Vp-p
H
1.5 Vp-p
H
w;
IC801
wa
(CBOUTA)
500 mV/DIV, 20
µ
s/DIV
1
IC001
1
(DVDRFP)
2
IC001
el
(TE)
4
IC001
tj
(RFAC)
3
IC001
r;
(FE)
100 mV/DIV, 1 ms/DIV
200 mV/DIV, 100 ns/DIV
500 mV/DIV, 100 ns/DIV
500 mV/DIV, 1 ms/DIV
800 mVp-p
0.5 Vp-p
0.3 Vp-p
1.3 Vp-p
qj
IC401
qa
(XC-OUT)
qk
IC401
qd
(X-OUT)
3.1 Vp-p
1 V/DIV, 10
µ
s/DIV
62.5 ns
2.6 Vp-p
1 V/DIV, 20 ns/DIV
30.5
µ
s
wd
IC801
wj
(Y OUTA)
500 mV/DIV, 20
µ
s/DIV
2.1 Vp-p
H
wf
IC801
ed
(C OUT)
500 mV/DIV, 20
µ
s/DIV
1.9 Vp-p
H
-RF Board-
-DMB03 Board-
-VIDEO Board-
-MAIN Board-
qg
IC207
<zz.
(VDAC 4)
200 mV/DIV, 20
µ
s/DIV
H
820 mVp-p
H
qf
IC207
<zxx
(VDAC 3)
200 mV/DIV, 20
µ
s/DIV
qh
IC601
<zc.
(MCLK2)
82 ns
3.3 Vp-p
1 V/DIV, 40 ns/DIV
790 mVp-p
1.5 Vp-p
•
Waveforms
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