Sony SCD-XB940, Service Manual

Page: 52 / 73

2
1. TEST MODE
Jigs
• Disc
Model Type
*
1 Category Application
HLX-503/
SL 12 cm adjustment and check
HLX-504
HLX-501/
DL 12 cm adjustment and check
HLX-505
PATD-012 CD 12 cm adjustment and check
HYBRID
12 cm adjustment and check
-L1
HYBRID
12 cm adjustment and check
-L0
SL 8 cm Check
CD 8 cm Check
HYBRID
8 cm Check
-L1
*1 SL: Single Layer
DL: Dual Layer
*2 Normally do not use.
• Remote Commander
• Extension cable (MAIN board (CN601)
↔
DISPLAY board
(CN202)) (Part No. J-2501-195-A)
How to Enter the Test Mode
With
[ AMS ]
controller pressed, turn the
[POWER]
switch
ON. Then, immediately press x button. If x button is not
pressed, the set will start in normal mode. When the Test mode is
activated, “Test Mode Menu” is displayed.
How to Exit the Test Mode
Turn the
[POWER]
switch OFF, and the Test mode is deactivated.
Selection of Test Mode
To select “Test Mode Menu”, perform as follows.
(1) Rotating
[ AMS ]
controller, select the menu and press
[ AMS ]
controller to enter. (If the remote commander
is available, select and enter the number directly.)
(2) To return to the previous step, press
X
button.
Contents of “Test Mode Menu”
DISPLAY Contents of Menu
0. Syscon Diag Self diagnosis
1. Auto Adjust Servo adjustment (Auto)
2. Manual Opr Manual operation adjustment
3. Mecha Aging Mechanism aging
4. Emg History
Servo emergency history information
display
5. Ver Info Version information display
6. RF Jit Disp RF jitter measured value display
7. PDM Mode Normally do not use
8. CDM Adjust Normally do not use
9. Set Up Init Initializing and restart
10. Sld Ship Pos Sled ship position
Execution of Test Mode Menu
0. Syscon Diag menu
From the “Test Mode Menu”, rotate
[ AMS ]
controller
counterclockwise to select “0. Syscon Diag”. Press
[ AMS ]
controller, and “SELF DIAG Menu” will be displayed. Rotating
l L
*2
l L
[ AMS ]
controller can select the following menu.
DISPLAY Contents of Menu
0. All (SELF) Self diagnosis of all items 1. – 7.
1. SRAM Self diagnosis of SRAM
2. EEPROM Self diagnosis of EEPROM
3. HGA Self diagnosis of HGA
4. Servo DSP Self diagnosis of servo DSP
5. ARP Self diagnosis of ARP
6. SACD Chip Self diagnosis of SACD chip
7. SD Bus Self diagnosis of SD Bus
8. Diag Hist Self diagnosis emergency history display
(1) 0. All (SELF)
From the “SELF DIAG Menu” display, rotate
[ AMS ]
controller clockwise to select “0. All (SELF)”, and press
[ AMS ]
controller. Then, the self diagnosis of items 1. –7.
will be executed in the following order. At successful completion,
“All Success” is displayed and the set returns to the first step.
“0. All (SELF)”
→
“SRAM Check”
→
“ExSRAM Start”
→
“ExRAM OK”
→
“EEPROM Check”
→
“EEPROM Start”
→
“Check 00”
→
“Check 10”
→
“Check 20”
→
“Check 30”
→
“Check 40”
→
“Check 50”
→
“Check 60”
→
“Check 70”
→
“Check 80”
→
“Check 90”
→
“Check A0”
→
“Check B0”
→
“Check C0”
→
“Check D0”
→
“Check E0”
→
“Check F0”
→
“ EEPROM OK”
→
“HGA Check”
→
“HGA Start”
→
“HGA
OK”
→
“Servo DSP”
→
“SDSP Start”
→
“SDSP OK”
→
“ARP
Register”
→
“ARP Reg Start”
→
“ARP Reg OK”
→
“ARP Data”
→
“ ARP DBus Start”
→
“ARP DBus OK”
→
“ARP Address”
→
“ ARP ABus Start”
→
“ARP ABus OK”
→
“ARP DRAM”
→
“ARP DRAM Start”
→
“Wait ...”
→
“ARP DRAM OK”
→
“DSD
Chp Bus”
→
“DSD Bus Start”
→
“DSD Bus OK”
→
“DSD Chp
DRAM”
→
“DSD DRAM Start”
→
“Wait ...”
→
“DSD DRAM
OK”
→
“SDBus Check”
→
“SDBus Start”
→
“Wait ...”
→
“SDBus
OK”
→
“All Success”
→
“ 0. All (SELF)”
In case of an error in the Self Diag mode, the diagnosis restarting
method can be selected in three ways, “QUIT”, “REPEAT” and
“CONTINUE”, which function as follows:
QUIT : Quit diagnosis and return to the menu.
REPEAT : Restart diagnosis from the address where an
error occurred.
CONTINUE : Restart diagnosis from the address next to the
one where an error occurred.
• The error codes are listed in Self diagnosis error code list. (see
page 8)
(2) 1. SRAM
From the “SELF DIAG Menu” display, rotate
[ AMS ]
controller clockwise to select “1. SRAM” and press
[ AMS ]
controller.
Then, “ExSRAM Start”
→
“ExRAM OK”
→
“1. SRAM” will be
displayed and the check will finish.
(3) 2. EEPROM
From the “SELF DIAG Menu” display, rotate
[ AMS ]
controller clockwise to select “2. EEPROM” and press
[ AMS ]
controller.
Then, the following will be displayed and the check will finish.
“EEPROM Start”
→
“Check 00”
→
“Check 10”
→
“Check 20”
→
“Check 30”
→
“Check 40”
→
“Check 50”
→
“Check 60”
→
“Check 70”
→
“Check 80”
→
“Check 90”
→
“Check A0”
→
“Check B0”
→
“Check C0”
→
“Check D0”
→
“Check E0”
→
l L
l L
l L
l L
l L
l L
l L
l L
l L
l L