Sony KF-42WE610K / KF-50WE610K / KF-60WE610K Service Manual ▷ View online
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KF-42WE610K/50WE610K/60WE610K
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RM-Y913K
RM-Y913K
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6. ELECTRICAL PARTS LIST
............................ 137
• A Board ............................................................ 137
• AU Board ......................................................... 141
• F Board ............................................................. 142
• G1 Board .......................................................... 143
• H1 Board .......................................................... 145
• H2 Board .......................................................... 145
• H3 Board .......................................................... 146
• HM Board ........................................................ 146
• T Board ............................................................. 147
• U Board ............................................................ 147
• UD Board ......................................................... 151
Section
Title
Page
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KF-42WE610K/50WE610K/60WE610K
K
RM-Y913K
RM-Y913K
RM-Y913K
SECTION 1
SELF DIAGNOSIS FUNCTION
1. Summary of Self-Diagnosis Function
- This device includes a self-diagnosis function.
- In case of abnormalities, the
- In case of abnormalities, the
/STANDBY indicator automatically blinks. It is
possible to predict the abnormality location by the number of blinks. The Instruction
Manual describes blinking of the
Manual describes blinking of the
/STANDBY indicator.
- If the symptom is not reproduced sometimes in case of a malfunction, there is recording of
whether a malfunction was generated or not. Operate the remote command to confirm the
matter on the screen and to predict the location of the abnormality.
matter on the screen and to predict the location of the abnormality.
2. Diagnosis Items and Prediction of Malfunction Location
- When a malfunction occurs the
/STANDBY indicator only blinks for one of the
following diagnosis items. In case of two or more malfunctions, the item which first
occurred blinks. If the malfunctions occurred simultaneously, the item with the lower
blink count blinks first.
occurred blinks. If the malfunctions occurred simultaneously, the item with the lower
blink count blinks first.
- The screen display displays the results regarding all the diagnosis items listed below.
The display "0" means that no malfunctions occurred.
- Power does not come on.
- No power is supplied to the
unit.
- AC power supply is faulty.
- No power is supplied to the
unit.
- AC power supply is faulty.
- Temperture is high.
-IIC-E line connector
(CN8023:A
board,CN44:H3 board) is
not attached securely.
-IIC-E line connector
(CN8023:A
board,CN44:H3 board) is
not attached securely.
Lamp error
- LED flashes
-
No picture/No sound
Audio error
7 times
- No picture/No sound
Fan stopped
4 times
- Fan1 or Fan2 or Fan3
power is not supplied.(A
board)
- Fan connector is not
attached securely.
power is not supplied.(A
board)
- Fan connector is not
attached securely.
- No picture/No sound
D-OVP error
8 times
- +3.3V or +2.5V or +1.8V is
over voltage.(G3 board)
over voltage.(G3 board)
- No picture/No sound
6 times
- +17V is not
supplied.(G1 board)
supplied.(G1 board)
- No picture/No sound
- Lamp for the light
source burns out.
source burns out.
- No picture/No sound
- Audio line is shorted.(A,G1
board)
- IC8504(A board) or
IC4704(AU board) is faulty.
- PS1601 or 1602 is
opened.(G1 board)
board)
- IC8504(A board) or
IC4704(AU board) is faulty.
- PS1601 or 1602 is
opened.(G1 board)
- No picture/No sound
Temp error
4 times
Lamp driver error
5 times
- Lamp driver is faulty.
- No picture/No sound
+B OVP error
Defected symptoms
Lamp cover error
3 times
- Lamp cover is not
attached securely.
attached securely.
Diagnosis Item
Number of times
/STANDBY
indicator blinks
Probable Cause
Location
Power does not
turn on
0
- Power cord is not
plugged in.
- Fuse is burned out.
(F1901:F board)
plugged in.
- Fuse is burned out.
(F1901:F board)
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3. Blinking count display of
/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
/STANDBY indicator blinking
The
/STANDBY indicator blinking display is released by removing the plug from
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
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
5
-
LED OFF
3.0sec
1
KF-42WE610K
KF-50WE610K/
60WE610K
/ STANDBY
/ STANDBY
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KF-42WE610K/50WE610K/60WE610K
K
RM-Y913K
RM-Y913K
RM-Y913K
- 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
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.
5
-
8
4. Wait until appearing the initial setup display.
5. Disconnect AC plug and connect it again.
1
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