Sony KDF-55WF655 / KDF-60WF655 Service Manual ▷ View online
10
KDF-55WF655/60WF655
KDF-55WF655/60WF655
Clearing the Result Display
To clear the result display to “0”, press the buttons on the Remote Commander sequentially when the diagnostic screen is displayed, as shown below:
To clear the result display to “0”, press the buttons on the Remote Commander sequentially when the diagnostic screen is displayed, as shown below:
1. If the screen is already displayed, proceed to step 3. If not, Power off (Set to Standby model).
2. Press Display
Channel 5
Sound Volume -
Power ON
3. Press Channel 8
ENTER
Clearing the Self-Diagnostic Screen
The self diagnosis screen display is cleared by turning off the set using the Remote Commander or the power switch.
The self diagnosis screen display is cleared by turning off the set using the Remote Commander or the power switch.
Self-Diagnostic Circuit
Self-Diagnosis Function Operation
3 : Lamp cover
The rib at the back of the lamp cover closes the SW on the T board to ground pin 3 of CN8001.
It is monitored by the DE-micro (pin 94 of IC6902) and turns off the lamp when it is opened.
It is monitored by the DE-micro (pin 94 of IC6902) and turns off the lamp when it is opened.
4 : Fan
Fan rotation is detected by "FAN-PROT" and the DE-micro (pin 92 of IC6902) turns off the lamp
when it is "high".
when it is "high".
4 : Temp
When the temperature sensor on the H3 board (WE models) or H4 board (WF/XS models)
detects high temperature, or IIC-E line connector (CN6022:G2 board, CN44:H3board/H4board)
is not seated securely, the DE-micro turns off the lamp.
detects high temperature, or IIC-E line connector (CN6022:G2 board, CN44:H3board/H4board)
is not seated securely, the DE-micro turns off the lamp.
5 : Lamp driver
When the "LAMP-PROT" (pin 95) is low, the lamp is not turned on. If the "LAMP-HV-DET"
(pin 96) is low at the same time, it is classified as no high voltage of the lamp driver.
(pin 96) is low at the same time, it is classified as no high voltage of the lamp driver.
6 : Low B error
When no "DD 6V " is detected, pin 129 of TV-micro is low and it turns off the main power.
7 : Audio
When DC voltage is detected at the speaker or woofer outputs, pin 128 of TV-micro is low and it
turns off the main power.
turns off the main power.
8 : D-OVP
When overvoltage of "+3.3V" or "+2.5V" is detected, pin 126 of TV-micro is low and it turns off
the main power.
the main power.
10 : ATSC-OVP
When no "Digital Module 5V" is detected, pin 127 of TV-micro is low and it turns off the main
power.
power.
LAMP : Lamp
When the "LAMP-PROT" (pin 95) is low, the lamp is not turned on. If the
"LAMP-HV-DET" (pin96) is high at the same time, it is classified as no lamp or a dead lamp.
"LAMP-HV-DET" (pin96) is high at the same time, it is classified as no lamp or a dead lamp.
11
KDF-55WF655/60WF655
KDF-55WF655/60WF655
Self-Diagnosis Block Diagram
IC41
94
IIC-E
LAMP-COVER
95
FAN PROT
4:Temp
IC6902
Display Engine u-com
H3(WE)/H4(WF/XS)
board
3:Lamp cover
5:Lamp
driver
4:Fan
SW
S8001
T board
Fan1
Fan2
Fan3
FAN1-PRT
FAN2-PRT
FAN3-PRT
CN6000
7:Audio
G2 board
Temp
sensor
2
8
5
92
Lamp
HV-DET
Lamp driver
Fan4
FAN4-PRT
11
96
LAMP-PROT
LAMP-HV-DET
8
13
CN6022
14
14
A8
A14
B14
16
CN6019
CN6017
B
IC3604 TV u-com
128
D_OVP
SP_DC_PROT
LB_ERROR
126
129
127
ATSC_OVP
KD board
CN6029
23
A board
CN6020
C26
8:D-OVP
+3.3V
+2.5V
+2.5V
Audio
amp
6:LowB
error
G1 board
CN6029
23
DD6V
DTL5
12:ATSC
OVP
CN6023
5
15
CN6006
Digital Box
DTL MDL5V
IIC-TV
IC3801 WE u-com
IIC-WE
IIC-TV
IIC-WE
12
KDF-55WF655/60WF655
KDF-55WF655/60WF655
Reading Lamp and Panel time
Use the following to determine the lamp and panel time of a set.
Use the following to determine the lamp and panel time of a set.
Screen Display Method
In standby mode, press the buttons on the Remote Commander sequentially, in rapid succession, as shown below:
In standby mode, press the buttons on the Remote Commander sequentially, in rapid succession, as shown below:
1. Press Display
Channel 5
Sound Volume +
Power ON
2. To enter the DE-micro service menu, press Jump 3 times.
3. To display the Lamp time, press Channel 2 9 times.
example
PANEL NVM OK 9 OPTION_E
0 LAMP 0 Diff 1
LampTM 14 LampCT 71
0 LAMP 0 Diff 1
LampTM 14 LampCT 71
The screen displays:
“Total lamp time is 14 hours” and “Total lamp ON/OFF cycle is 71 times”
To reset the lamp time press Channel 3
Mute
Enter .
WRI-EXE(Character color is Red) is momemtarily displayed and LampTM is reset to “0”.
4. To display the Panel time, press Channel 1 7 times
example
PANEL NVM OK 9 OPTION_E
7 SH SFT1 10 Diff 1
PanelTM 14h
7 SH SFT1 10 Diff 1
PanelTM 14h
The screen displays:
“Total Panel time is 14 hours”
NOTE: You cannot reset the Panel time with the Service menu.
Exiting Service Mode
After completing the changes exit service mode by turning off the set using the Remote Commander or the power switch.
After completing the changes exit service mode by turning off the set using the Remote Commander or the power switch.
13
KDF-55WF655/60WF655
KDF-55WF655/60WF655
1-1.
REAR COVER REMOVAL
SECTION 1: DISASSEMBLY
1-2.
CENTER PILLAR REMOVAL
Rear cover
Eleven screws
(+BVTP 4x16)
(+BVTP 4x16)
1
2
Center Pillar
3
1
2
4 Gently lift the Center Pillar up then out
from the bottom bracket.
Disconnect
three ground wires
three ground wires
Two screws
(+BVTP 4x16)
(+BVTP 4x16)
Three screws from the top of the center pillar
(+BVTP 4x16)
(+BVTP 4x16)
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