Sony KDL-60W605B Service Manual ▷ View online
KDL-60W605B 5
SECTION 2 - TROUBLESHOOTING
TRIAGE CHART
Use this general Triage Chart to determine what may possibly be causing the error before going out to the customers location.
1. Confirm the symptom from the customer.
Red Dot: (Primary) Most likely defective part.
2. Select that symptom from the chart.
Blue Triangle: (Secondary) Possible defective part.
3. Bring the primary component listed for that symptom.
5. Chart Color Code.
No
Power
Remote
Audio Smart
Core
2X 3X 4X 5X 6X 7X 8X 9X 10X
No White
Power
LED
Steady
lines or
dots
No Video
One of
Inputs
No Video
All Inputs
No Remote
Wireless
can't
connect
Bluetooth
can't
connect
No
Audio
No LED
MAIN BOARD
▲
▲ ▲
▲
▲
▲
▲
▲
▲
TUNER BOARD
▲
▲
▲
▲
▲
▲
▲
LCD PANEL
▲
▲
TCON
▲
▲
▲
▲
▲
LVDS FFC
▲ ▲
▲
▲
H BOARD
SPEAKER
▲
LD BOARD
▲
BT BOARD
WIFI
Problem
POWER
AUDIO/
POWER
POWER
LD
TCON
BACK-
LIGHT
TEMP
SOFT-
WARE
4. Follow the associated flowcharts in the Training Manual to isolate the board.
Board Reference
Symptoms - Shutdown. Power LED blinking
red diagnostics sequences
Video
Network
*NOTE: REFER TO LCD PANELS SERVICE MANUAL IN REFERENCE LIBRARY DATABASE
FOR CORRECT REPLACEMENT PARTS BASED ON SERIAL NUMBER.
POWER SUPPLY
EMIT-
TER
KDL-60W605B 6
SECTION 2 - TROUBLESHOOTING
FLOWCHARTS AND DIAGRAMS
OVERALL BLOCK DIAGRAM
VIDEO 2 CVBS/COMP
VIDEO 1 CVBS
HDMI 1 / MHL
SWITCH
UNIT
HFR
TCON
L
R
HEADPHONES
OUT
OPTICAL
AUDIO OUT
HDMI
SWITCH
EQ
ETHERNET
USB
HDMI 4
LVDS
AC IN
A/V
DECODER
VIDEO
PROCESS
WIFI
IR RX
LED’s
HJM
HDMI 2 /ARC
HDMI 3
USB
TUNER
AUDIO
AMP
TUNER
DEMODULATOR
ADC / DACAMP
MAIN BOARD
TUNER BOARD - TUS
LCD PANEL
LED BACKLIGHTS
POWER SUPPLY
GL2
SWITCH
UNIT
BAXL
USB
HUB
ETHER
PHY
AUDIO
AMP
ANTENA
CABLE
KDL-60W605B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
POWER_ON
28
11
12
30
GND
AC_OFF_DET
27
12
11
29
GND
STBY3.3V
23
14
3
28
BL_ERR
REG12V
17
21
5
27
BL_ON
REG12V
16
20
10
25
GND
REG12V
15
19
9
24
GND
REG12V
14
18
8
23
GND
REG12V
13
17
7
22
GND
GND
12
30
17
21
+19.5V(12V)
GND
11
29
16
20
+19.5V(12V)
GND
10
25
15
19
+19.5V_SS(12V)
GND
9
24
14
18
+19.5V_HOLD(12V)
GND
8
23
13
17
REG+12V
GND
7
22
23
14
STBY+3.3V
BL ON
5
27
27
12
AC_OFF_DET
BLINKING
4
3
28
11
POWER_ON
BL_ERR
3
28
1
8
IP_REF
PWM_DIMMER
2
2
4
3
LD_PWM_1/SPI0_1(LATF)
DC_DIMMER
1
8
2
2
LD_PWM_0/SPI0_0(EMIT IN)
T-CON_ON
26
NC
NC
26
DIGITAL_STBY
NC
25
NC
NC
16
GND
GND
24
NC
NC
15
GND
GND
22
NC
NC
13
TCON_ON
GND
21
NC
NC
10
SA_MODE
T-CON_VCC12V
20
NC
NC
9
LD_STBY
T-CON_Vcc12V
19
NC
NC
7
FB_REF
REG12V
18
NC
NC
6
LD_PWR_4/SPI0_RDATA/BLU_TEMP
DIGITAL_STBY
6
NC
NC
5
LD_PWM_3/SPI0_3(CLKF)
NC
4
LD_PWM_2/SPI0_2(DATAF)
+OUT1
1
1
NC
1
LD_MODE_SW
+OUT2
2
9
+OUT3
3
17
+OUT4
4
25
1
1
1
LED 1+
1
8
2
LED 4 -
2
9
1
LED 5+
-OUT1
1
8
2
16
2
LED 8-
-OUT2
2
16
3
17
1
LED 9+
-OUT3
3
24
3
24
2
LED 12-
-OUT4
4
32
4
25
1
LED 13+
NC
5
NC
4
32
2
LED 16 -
AC_IN
1
AC-N
2
AC-L
CN6401
CN6801 (CN3)
CN6802 (CN4)
CN6101
POWER SUPPLY
CN9101
MAIN BOARD
KDL-60W605B 8
SECTION 2 - TROUBLESHOOTING
NO POWER FLOWCHART
No Power
Is Standby LED
blinking?
No
Yes
No
See Stanby
LED Blinking
Flowchart
Yes
Does red
Standby LED on
front panel light?
High (>2.5V)
on pin 28 of CN6401
on Power Supply?
Yes
No
Main Board*
Press power button while
monitoring pin 27
of CN6401 on
Power Supply
Board.
High (3.3V)
appears
momentarily?
Yes
No
Power Supply
Board*
Power Supply
Board*
Power Supply
Board*
Remove AC power and
wait at least 30
seconds before
reapplying.
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 17
.
Click on the first or last page to see other KDL-60W605B service manuals if exist.