Sony KF-42WE610 / KF-50WE610 / KF-60WE610 Service Manual ▷ View online
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KF-42WE610/50WE610/60WE610
K
RM-Y913
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3. Blinking count display of POWER/STANDBY indicator
- One blink is not used for self-diagnosis.
- Example
Diagnosis item
Diagnosis item
LED blinks
Lamp cover
3 times
Fan
4 times
LED ON : 0.3sec
LED OFF : 0.3sec
LED OFF : 0.3sec
- Release of POWER/STANDBY indicator blinking
The POWER/STANDBY indicator blinking display is released by removing the plug from
the power or leaving for 2 minutes.
the power or leaving for 2 minutes.
4. Self-diagnosis screen displays
- In cases of malfunctions where it is not possible to determine the symptom such as when
the power goes off occasionally or when the screen disappears occasionally, there is a
screen display on whether the malfunction occurred or not in the past (and whether the
detection circuit operated or not) in order to allow confirmation.
screen display on whether the malfunction occurred or not in the past (and whether the
detection circuit operated or not) in order to allow confirmation.
<Screen Display Method>
- Quickly press the remote command button in the following order from the standby state.
Channel
Vol
Be aware that this differs from
the method of entering the
service mode (Vol +).
the method of entering the
service mode (Vol +).
Self Diagnosis
SELF DIAGNOSIS
6 : +B OVP
0
1 : LAMP
0
7 : AUDIO
0
3 : LAMP COVER
0
8 : D-OVP
1
4
: FAN
1
101 : WDT
0
Move the joystick
4 : TEMP
0
5 : LAMP DRIVER
0
201 : WDT-ENGINE
0
- Numeral "1" means a fault was detected one time or more.
- Numeral "0" means that no fault was detected.
- Numeral "0" means that no fault was detected.
MAIN
LCD ENGINE
DISPLAY
5
-
POWER
LED OFF
3.0sec
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- The results display is not automatically cleared. In case of repairs and after repairs, check
the self-diagnosis screen and be sure to return the results display to "0".
- If the results display is not returned to "0" it will not be possible to judge a new malfunction
after completing repairs.
<Method of Clearing Results Display>
1. Power off (Set to the standby mode)
2.
Channel
Vol
3. Channel
<Method of Ending Self-Diagnosis Screen>
- When ending the self-diagnosis screen completely, turn the power switch OFF on the
remote commander or the main unit.
5. Self-Diagnosis function operation
-
3 : Lamp cover
When lamp cover SW is opened then pin 3 of CN8014 on the A
board is high, LCD Engine u-com (pin 27 of IC3208 on the C2
board) detects it and make turn off the lamp.
board is high, LCD Engine u-com (pin 27 of IC3208 on the C2
board) detects it and make turn off the lamp.
-
4 : Fan
When Fan1 or Fan2 or Fan3 is stopped then pin 2 or 5 or 8 of
CN8022 on the A board is high, LCD Engine u-com (pin 24 of
IC3208 on the C2 board) detects it and make turn off the lamp.
CN8022 on the A board is high, LCD Engine u-com (pin 24 of
IC3208 on the C2 board) detects it and make turn off the lamp.
-
4 : Temp
When a temperature sensor on the H3 board detects a high
temperature or IIC-E line connector (CN8023:A board,CN44:H3
board) is not attached securely, LCD Engine u-com IIC-E line
detects it and make turn off the lamp.
temperature or IIC-E line connector (CN8023:A board,CN44:H3
board) is not attached securely, LCD Engine u-com IIC-E line
detects it and make turn off the lamp.
-
5 : Lamp driver
When lamp is not turned on then pin 29 of LCD Engine u-com
(IC3208 on the C2 board) is high, checks pin 28 of LCD Engine
u-com. If pin 28 is low, it is judged no high voltage.
(IC3208 on the C2 board) is high, checks pin 28 of LCD Engine
u-com. If pin 28 is low, it is judged no high voltage.
-
6 : +B OVP
When +17V line drop then pin 53 of MAIN u-com (IC3405 on the
C2 board) is low, it turns off the main power.
C2 board) is low, it turns off the main power.
-
7 : Audio
When DC is appeared by audio amp failure at speaker line.
Then it is detected by MAIN u-com (pin 59 of IC3405 on the C2
board) and it turns off the main power.
Then it is detected by MAIN u-com (pin 59 of IC3405 on the C2
board) and it turns off the main power.
-
8 : D-OVP
When +3.3V or +2.5V or +1.8V line over then pin 49 of MAIN
u-com (IC3405 on the C2 board) is low, it turns off the main
power.
u-com (IC3405 on the C2 board) is low, it turns off the main
power.
-
LAMP : Lamp
When lamp is not turned on then pin 29 of LCD Engine u-com
(IC3208 on the C2 board) is high, checks pin 28 of LCD Engine
u-com. If pin 28 is high, it is judged lamp is burned out.
(IC3208 on the C2 board) is high, checks pin 28 of LCD Engine
u-com. If pin 28 is high, it is judged lamp is burned out.
DISPLAY
5
-
POWER
8
ENTER
4. Wait until appearing the initial setup display.
5. Disconnect AC plug and connect it again.
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<Self-Diagnosis block diagram>
IC41
27
IIC-E
LAMP COV
28
29
24
LAMP DRV
LAMP PROT
FAN PROT
4:Temp
IC3208
LCD Engine u-com
IC3405
MAIN u-com
49
59
53
SP-DC-PROT
LOW-B-ERR
D-OVP
H3/A board
8:D-OVP
6:+B OVP
G3/A board
G1/A board
17V-DET
CN8014
3:Lamp
cover
5:Lamp
driver
Lamp
4:Fan
Lamp
HV-DET
SW
S3999
T/A board
LAMP-PRT
Fan1
Fan2
Fan3
CN8003
FAN1-PRT
FAN2-PRT
FAN3-PRT
CN8022
Audio
amp
Audio
amp
7:Audio
IC4704
IC8504
C2 board
AU board
A board
Lamp driver
Temp
sensor
+3.3V
+2.5V
+1.8V
+2.5V
+1.8V
+17V
1
2
3
1
2
8
5
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KF-42WE610/50WE610/60WE610
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SECTION 2
DISASSEMBLY
2-1. REAR COVER
2-3. SERVICE POSITION
2-2. CENTER PILLAR
5 Rear cover
1 Eleven screws
(+BVTP 4x16)
(+BVTP 4x16)
5 Center
pillar
1 Three screws
(+BVTP 4x16)
(+BVTP 4x16)
4 Three
fasten tags
fasten tags
2 Two screws
(+PSW 3x8)
(+PSW 3x8)
3 Two screws
(+BVTP 4x16)
(+BVTP 4x16)
Chassis assembly
Note: In case of the model 60WE610,
first remove reinforcement plates (R)/(L).
first remove reinforcement plates (R)/(L).
1
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