Sony XBR-65HX925 Service Manual ▷ View online
XBR-65HX925 31
SECTION 4 - TROUBLESHOOTING
VIEWING THE SELF CHECK DIAGNOSTIC HISTORY
It is possible to bring up past occurrences of a failure for confirmation
on the Self Check diagnostic history screen. This feature is useful for
failures which are intermittent or when the customer is not sure what
is causing the television to shut down.
1. TV must be in standby mode. (Power off).
2. Press the following buttons on the Remote Commander
within a second of each other:
DISPLAY
Channel
5
Volume
-
POWER
.
* NOTE: This differs from accessing Service Adjustments Mode
(Volume +)
Total operation time by hour (MAX:65535)
Boot count (MAX:65535)
Panel operation time by hour (MAX:65535)
Total operation time by hour (MAX:65535)
Boot count (MAX:65535)
Panel operation time by hour (MAX:65535)
-------------- -------------- -------------- 01
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
002 MAIN_POWE
003 DC_ALERT
003 AUD_PROT
004 BALANCER
005 HFR_ERR
005 P_ID_ERR
12345-00333-06789
12345
-
00333
-
06789
-
-
-------------- -------------- -------------- 00
006 VLED
-------------- -------------- -------------- 00
005 TCON_ERR
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
006 BACKLITE
007 TEMP_ERR
010 EMITTER
-------------- -------------- -------------- 00
007 FAN_ERR
-------------- -------------- -------------- 00
012 IA
-------------- -------------- -------------- 00
SELF CHECK
StandBy LED Flash Count
Diagnostic Item
Diagnostic Item
Error Count
(00-99)
-------------- -------------- -------------- 00
-------------- -------------- -------------- 00
101 VPC_WDT
-------------- -------------- -------------- 00
102 MEPS_WDT
-------------- -------------- -------------- 00
103 HOST_WDT
-------------- -------------- -------------- 00
104 STBY_WDT
-------------- -------------- -------------- 00
000 RGB_SEN
000 RESERVED
000 RESERVED
FIGURE 4-3. SAMPLE SELF CHECK DIAGNOSIS PAGE
CLEARING THE SELF CHECK DIAGNOSTIC LIST
Since the diagnostic results displayed on the screen are not
automatically cleared, always check the self-diagnostic screen after
you have completed the repairs to be sure you have cleared the
result display to “0”.
1. To clear the Error history and Error count
press
8
0
.
RESETTING THE LCD PANEL OPERATING HOURS
The 3 sets of numbers displayed on the lower left corner of the screen
indicates the total accumulated operating hours of the television and
the operating hours of the LCD panel. Total operating hours is on the
left, boot count in the center and panel hours in the right group (The
center numbers are not used.)
1. To clear the LCD Panel operating hours of the LCD
Panel after replacing the panel, press
7
0
.
EXITING THE SELF CHECK DIAGNOSTIC SCREEN
1. To exit the Self TCON tconDiagnostic screen, turn off
the power to the TV by pressing the
POWER
button on
the remote or the
POWER
button on the TV.
XBR-65HX925 32
SECTION 5 - FLOW CHARTS AND DIAGRAMS
OVERVIEW
The following flow charts provide information to determine what repair parts to order based on the TV error.
XBR-65HX925 33
SECTION 5 - FLOW CHARTS AND DIAGRAMS
NO POWER
POWER_ON
AC_OFF_DET
GND
1
2
3
5
2
3
5
AC IN (N)
AC IN (H)
AC IN (N)
AC IN (H)
1
2
2
1
2
2
CN6150
CN6101
TCON_VCC
AUDIO_GND
REG_12V
REG_12V_GND
1
2, 3
4, 5
6, 7
4, 5
6, 7
AUDIO_12V
STBY3.3V
8, 9
10
GND
POWER_ON
TCON_ON
BL_ERR
1
3
7
8
7
8
AC_OFF_DET
9
CN6002
CN6001
ENERGY
SAVING
SWITCH
BATV
G11
CN6003
CN6001
PFC_OUT
2
PFC_GND
1
PRI_GND
2
PRI_VCC
1
1
2
3
5
2
3
5
CN6501
CN6502
CN6702
2
1
2
1
CN6600
CN6601
VLED_VCC
GL_CTRL
VLED_GND
LD_ERR
1~4
6~10
11
13
13
LED_ON
14
G12
TO LD
BOARD
1
2
2
AC OUT (H)
AC OUT (N)
CN6002
STBY3.3V
CN6700
1
6
7
8
AU_GND
9
10
11, 13
12, 14
TCON_12V
AU_12V
26, 28
AU_GND
STBY3.3V
GND
TCON_ON
AC_OFF_DET
BL_ERR
PFC_ON
3
POWER_ON
GND
REG_12V
15, 17
16, 18
TO
TCON
PFC_PWR
2
FIGURE 5-1. POWER SUPPLY DIAGRAM
XBR-65HX925 34
SECTION 5 - FLOW CHARTS AND DIAGRAMS
No Power
No
Yes
Is energy
Saving switch on
side of unit turned
off?
Does red standby
LED on front panel
light?
High (3.3V)
on pin 2 of CN6150
on G11 board?
Yes
No
Yes
Turn switch on
No
ENERGY SAVING
SWITCH
Press power
button while
monitoring pin 1
of CN6701 on
G12 board
High (3.3V)?
Yes
No
Unplug AC
power for at least
30 seconds and
re-apply
G11 Board
Is standby LED
blinking?
See protection
flowchart
Yes
G11 Board
G12 Board
Main Board
No
FIGURE 5-2. NO POWER FLOWCHART
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