Sony KDL-60W605B Service Manual ▷ View online
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
.
KDL-60W605B 9
SECTION 2 - TROUBLESHOOTING
STANDBY LED BLINKING FLOWCHART
No
Yes
No
2X
3X
4X
No
5X
Yes
6X
No
7X
LCD Panel /
LD Board *
TCON
(LCD Panel)*
Yes
No
10X
HEM3 Board
8X
LCD Panel *
No
Yes
Placa Principal*
Yes
No
10X
HEM3 Board
9X
Tuner Board*
Placa Principal*
Yes
No
10X
HEM3 Board
10X
Main Board*
Yes
Main Board*
Yes
Main Board
*
TCON
(LCD Panel)*
Main Board /
Wireless LAN Card*
Protect
Shutdown.
Standby LED
Blinking
Check ventilation
After a while
Immediately
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 17
.
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