Sony DAV-C770 / HCD-C770 / HCD-C990 Service Manual ▷ View online
21
HCD-C770/C990
4-5.
HOW TO INSTALL THE ROTARY ENCODER (S702), GEAR (STOCKER COMMUNICATION)
4-6.
HOW TO INSTALL THE CAM (STOCKER U/D)
2
five solders
6
two gears
(stocker communication)
(stocker communication)
4
gear
(stocker communication)
(stocker communication)
relay board
7
two screws
(PTPWH2.6
×
8)
5
screw
(PTPWH2.6
×
8)
3
screw
(PWH2
×
6)
rotary encoder
(S702)
(S702)
gear
(stocker
communication)
(stocker
communication)
– rear –
1
rotary encoder
(S702)
(S702)
Engage the rotary encoder (S702)
and the gear (stocker communication)
as shown below in the figure.
and the gear (stocker communication)
as shown below in the figure.
2
two cams
(stocker U/D)
2
cam (stocker U/D)
3
two screws
(PTPWH2.6
×
8)
3
screw
(PTPWH2.6
×
8)
rotary encoder
(S702)
(S702)
hole
gear
(stocker communication)
(stocker communication)
– rear –
screw
1
Position the hole on the gear
(stocker communication) on the
screw of the rotary encoder (S702).
(stocker communication) on the
screw of the rotary encoder (S702).
To install three cams (stocker U/D), align each groove
of the cam (stocker U/D) with each
of the cam (stocker U/D) with each
f
mark on the
chassis as shown in the figure.
f
mark
f
mark
f
mark
cam (stocker U/D)
cam (stocker U/D)
cam (stocker U/D)
Ver 1.5
22
HCD-C770/C990
4-7.
HOW TO INSTALL THE STOCKER ASSY
Ver 1.5
1
Fit three shafts of the stocker assy in respective slits
of the cams (stocker U/D).
of the cams (stocker U/D).
cam (stocker U/D)
cam (stocker U/D)
cam (stocker U/D)
cam (stocker U/D)
shaft
shaft
shaft
stocker assy
cam (stocker U/D)
Note: For the location of slits of the cams (stocker U/D),
see 4-6. HOW TO INSTALL CAM (STOCKER U/D).
2
Making sure that three shafts of the stocker assy fit in
respective slits of the cams (stocker U/D), rotate the
pulley (stocker) in the direction of arrow
respective slits of the cams (stocker U/D), rotate the
pulley (stocker) in the direction of arrow
A
by hand to
store the stocker assy.
A
pulley (stocker)
pulley (stocker)
stocker assy
23
HCD-C770/C990
A
A
A
A
A
A
1
As shown in the following figure, adjust the portion
A
of each slider to the boss with the
slider-1 to 5 (L) and the slider-1 to 5 (R) pushed in the arrow directions respectively (see Fig. 1).
2
Paying attention to the up/down direction of the pinion (slider) (see Fig. 2), install each pinion (slider)
so that the portion
so that the portion
B
of each pinion (slider) meshes with the portion
A
of each slider (see Fig. 3).
Note: Push in the pinion (slider) until the claw of the boss comes out above the pinion (slider) to lock.
pinion (slider)
pinion (slider)
pinion (slider)
pinion (slider)
pinion (slider)
pinion (slider)
pinion (slider)
portion
B
slider
portion
A
slider
portion
A
boss
boss
boss
slider-5 (L)
slider-5 (R)
slider-4 (L)
slider-4 (R)
slider-3 (L)
slider-3 (R)
slider-2 (L)
slider-2 (R)
slider-1 (L)
slider-1 (R)
(Fig. 1)
(Fig. 2)
(Fig. 3)
A
A
A
A
boss
boss
boss
boss
claw
claw
pinion (slider)
portion
B
4-8.
PHASE ADJUSTMENT BETWEEN PINIONS (SLIDER) AND SLIDER-1 TO 5 (L/R)
Ver 1.5
24
HCD-C770/C990
SECTION 5
TEST MODE
[GENERAL DESCRIPTION]
The Test Mode allows you to make diagnosis and adjustment easily
using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
using the remote commander and monitor TV. The instructions,
diagnostic results, etc. are given on the on-screen display (OSD).
[TEST DISC LIST]
Use the following test disc on test mode.
TDV-520CSO (DVD-SL): PART No. J-2501-236-A
LIV-P01 (CD):
TDV-520CSO (DVD-SL): PART No. J-2501-236-A
LIV-P01 (CD):
PART No. 4-999-032-01
TDV-540C (DVD-DL):
PART No. J-2501-235-A
Note:
Do not use exiting test disc for DVD.
[STARTING TEST MODE]
1.
Press the
[POWER]
button to turn the power on, and set the
function to DVD.
2.
While pressing the
x
and
[DISPLAY]
button, turn the
[VOLUME]
knob clockwise to enter the test mode.
3.
It displays “TEST MODE” on the fluorescent indicator tube,
and displays the Test Mode Menu on the monitor screen as
follows. (At the bottom of the menu screen, the model name
and revision number are displayed)
and displays the Test Mode Menu on the monitor screen as
follows. (At the bottom of the menu screen, the model name
and revision number are displayed)
Test Mode Menu
0. Syscon Diagnosis
1. Drive Auto Adjustment
2. Drive Manual Operation
3. Mecha Aging
4. Emergency History
5. Version Information
6. Video Level Adjustment
Exit: POWER Key
Model :DAV-Cxxx
Revision :x.xx
4.
To execute each function, select the desired menu and press its
number on the remote commander (RM-SS880J).
number on the remote commander (RM-SS880J).
5.
To release from test mode, press the
[POWER]
button and turn
the power off.
[OPERATING TEST MODE]
0.
SYSCON DIAGNOSIS
The same contents as board detail check by serial interface can be
checked from the remote commander operation.
On the Test Mode Menu screen, press
checked from the remote commander operation.
On the Test Mode Menu screen, press
[10/0]
key on the remote
commander, and the following Check Menu will be displayed.
### Syscon Diagnosis ###
Check Menu
0. Quit
1. All
2. Version
3. EEPROM
4. SPIO
5. SD Bus
6. Video
7. Audio
0-0. Quit
Quit the Syscon Diagnosis and return to the Test Mode Menu.
0-1. All (All items continuous check)
This menu checks all diagnostic items continuously. Normally, all
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is displayed
for the key entry.
items are checked successively one after another automatically
unless an error is found, but at a certain item that requires judgment
through a visual check to the result, the following screen is displayed
for the key entry.
• Example display
### Syscon Diagnosis ###
Diag All Check
No.2 Version
2-3. ROM Check Sum
Check Sum = 2320
Press NEXT Key to Continue
Press PREV Key to Repeat
For the ROM Check, the check sum calculated by the Syscon is
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the
output, and therefore you must compare it with the specified value
for confirmation.
Following the message, press the
[NEXT ]
button to go to the
next item, or press the
[ PREV]
button to repeat the same
operation again.
To quit the diagnosis and return to Check Menu screen, press the
To quit the diagnosis and return to Check Menu screen, press the
[RETURN]
key on the remote commander to display Check Menu.
• Error occurred
If an error occurred, the diagnosis is suspended and error is displayed.
Press the
Press the
[RETURN]
key on the remote commander to quit the
diagnosis, or press the
[ PREV]
button to repeat the same check
where an error occurred, or press the
[NEXT ]
button to continue
the check from the item next to faulty item.
General Description of Checking Method
Selecting 2 and subsequent items calls the submenu screen of each
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
item. And selecting 2 and subsequent items executes respective
menus and outputs the results.
For the contents of each submenu, see “Check Items List” as below.
Check Items List:
0-2. Version
0-2-1. All
0-2-2. Revision
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-2-2. Revision
0-2-3. ROM Check Sum
0-2-4. Model Type
0-2-5. Region
0-3. EEPROM Check
0-3-1. Sampling Check
0-3-2. Detail Check
0-3-2. Detail Check
0-4. GP I/O Check
0-5. SD Bus Check
0-6. Video Check
0-7. Audio Check
0-5. SD Bus Check
0-6. Video Check
0-7. Audio Check
0-2. Version
0-2-2. Revision
The revision number of ROM (IC204) that the program for
the DVD system processor (IC206) is stored.
(4 digits hexadecimal number)
the DVD system processor (IC206) is stored.
(4 digits hexadecimal number)
>
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>
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Ver 1.4
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