SONY KLV-26NX400 - SONY KLV-32NX400
SONY KLV-32NX500 - SONY KLV-40NX500
SERVICE MODE LED BLINKING CODE AND TROUBLESHOOTING
SELF DIAGNOSTIC
Standby LED Error Display
Accessing Self Diagnostic Menu
1. While TV on standby mode, press the following sequence on the Remote commander.
< Display--> <5>--> <Vol Down>--> <Power>
1. While TV on standby mode, press the following sequence on the Remote commander.
< Display--> <5>--> <Vol Down>--> <Power>
2. To Reset Error Count &
Error History
Press < 8 > --> < 0 > key
3. To Reset Panel Operation Time
Press < 7 > --> < 0 > key
4. To exit, turn the power off using Remote.
Press < 8 > --> < 0 > key
3. To Reset Panel Operation Time
Press < 7 > --> < 0 > key
4. To exit, turn the power off using Remote.
STANDBY LED ERROR CODES
Blinking
times
|
Error
|
Countermeasure
(Replace either/all according to sequence) |
2
|
Main
Power Error
|
1)
Power Unit(26”), G2LE Unit(32”),
G2HE Unit(40”) board. 2) BAA board. |
3
|
DC_ALERT
1/ Audio Error/ Motionflow Error
|
1) BAA
board.
2) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board. 3) TCON. 4) Speaker. |
4
|
Balancer
Error
|
1)
Inverter board.
2) Panel. 3) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board. 4) BAA board. |
5
|
T-CON
Error / Panel ID NVM Error
|
1)
T-CON.
2) BAA board. 3) LVDS Cable. 4) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board. |
6
|
Backlight
Error
|
1)
Inverter board
2) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board. 3) BAA board. |
7
|
Temp.
Error
|
1) BAA
board.
2) Power Unit(26”), G2LE Unit(32”), G2HE Unit(40”) board. |
SERVICE MODE
HOW TO ACCESS SERVICE MODE
1. While TV on standby mode, press the following sequence on the Remote commander.
< Display--> <5>--> <Vol Up>--> <Power>
1. While TV on standby mode, press the following sequence on the Remote commander.
< Display--> <5>--> <Vol Up>--> <Power>
2. Use the UP or DOWN button to select the item you want to refer and
press for details.
GAISOU Adjustment (For Board
Replacement)
1) When new board is replaced, please confirm the color ornamental of the TV set.
2) While TV on standby mode, press the following sequence on the Remote commander.
<Display> p <5> p <Vol Up> p <Power>
1) When new board is replaced, please confirm the color ornamental of the TV set.
2) While TV on standby mode, press the following sequence on the Remote commander.
<Display> p <5> p <Vol Up> p <Power>
3) Use the UP or DOWN button to select the GAISOU item.
4) For example if color is Red
than should select 03 in the service mode of the TV set.
TROUBLESHOOTING
NO POWER
Check AC voltage at AC IN connector.
88 -132V for 110V models 176 – 264V for 220 – 240V Models.
Check Standby3.3V at CN6200 pin 3 on
BAA board 3.3V? > Check Between G* Board to BAA Board Harness > G* Board
Check REG12V at CN6200 pin 10 on BAA
board > Check Power_On at CN6200 pin 5 on BAA board 3.3V? > BAA Board
STANDBY
LED BLINK
3 times
blinking
Check JL6315 Voltage on the BAA
Board. 5.25V? > Check F6304. BAA board
Check Speaker Impedance at SP
Connector > Speaker
Check +12.5V at pin 1 of CN6200 on the
BAA Board > G* Board
Check +12.5V_AU1 at F4001 on the BAA
Board > F4001, IC4002,etc (BAA Board) > AZ1A: 3x Blinking For Audio Error
IC9000,etc (BAA Board)
4 times
blinking
Check PANEL_DET at JL5601 on the BAA
Board > BAA Board
Check harness to Balancer Board >
Replace G*/D* Board > PANEL (Balancer)
5 times
blinking
Check TCON_ON at FB5619 on the BAA
Board > BAA Board
Check TCON_VCC_12V
1) at JL6217 (non-motionflow models)
2) TCON_12V At G*Board (Motionflow models) > G* Board
1) at JL6217 (non-motionflow models)
2) TCON_12V At G*Board (Motionflow models) > G* Board
Check F6200 for non-motionflow models
> BAA Board
Harness check:
1) TCON to BAA board
2) TCON to G* board
3) LVDS cable
1) TCON to BAA board
2) TCON to G* board
3) LVDS cable
Change BAA
Panel (T-con)
6 times
blinking
Check PANEL_DET at JL5601 on the BAA
Board > BAA Board
Check all harness
Check D* Board > Inverter (D*
Board)
*Check G* Board output or Change G*
Board > G* Board
Panel
*Check G* Board output:
a) G2** UNREG24V = +24.0V
b) G5 PFC out Pin 5 CN6301 = +396.0V
c) G1LS UNREG24V = +24.0V
a) G2** UNREG24V = +24.0V
b) G5 PFC out Pin 5 CN6301 = +396.0V
c) G1LS UNREG24V = +24.0V
7 times
blinking
Set location is OK? > Place Set
to another location
Change BAA Board, and Aging a few
hours > Panel
BAA Board
SONY TV SERVICE TIPS
SONY KV35S26
CHROMA PROBLEM
Unit has random chroma phase shifting.
The tint will vary radically. NTSC color bars are not stable. "Barber
Polling" effect of colors on bars.
SOLUTION
Look very close to the connection s to
IC351(4) This the Chroma AFDC filter. Components R354, C355, C355 are in the
AFCFIL circuit. It is possible the trouble is a Jungle IC but Before replacing
it is recommended to check the aforementioned components first. Note: when
checking the components it was found that C366 has glue touching each end of
the device. The glue effectively changed the value of the device. Cleaning the glue
and reinstalling the device corrected the problem.
SONY KV27V20
CLOSED CAPTION PROBLEM
No closed caption on premium channels
SOLUTION
Needs to set the ID codes to the
following ID0=25, ID1=19, ID2=47, ID3=0, ID4=27, ID5=3, ID6=0, ID7=0. If these
are OK then need to replace the IC001 with an upgraded version per bulletin
329R1 Original generic is CXP85640-004S, the new generic is CXP856P40S-1
SONY KV32V15
COLOR BANDS
Unit has horizontal banding of
purple and red at top of screen. If the color was reduced the banding would disappear.
Color bar did not have a normal appearance.
SOLUTION
Resistor R354 was not soldered in
correctly. The resistor is in the Color AFC circuitry. It had a .15 ms ripple
on it causing a phase shift in the chroma in the first 4 to 5 inches on the picture.
Problem was caused by a glue used to secure the surface mounted resistor. The
glue prevented a good connection of the resistor to the pad. Cleaning the glue
away and resoldering corrected the symptom.
