Sony KDL-40W590B / KDL-40W600B / KDL-48W590B / KDL-48W600B Service Manual ▷ View online
KDL-40W590B/40W600B/48W590B/48W600B 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
LD
HDMI 2 /ARC
HDMI 3
USB
TUNER
AUDIO
AMP
TUNER
DEMODULATOR
ADC / DACAMP
MAIN BOARD
TUNER BOARD
LCD PANEL
LED BACKLIGHTS
LOCAL DIMMING
AC ADAPTOR
SWITCH
UNIT
BAXL
USB
HUB
HUB
ETHER
PHY
AUDIO
AMP
RF
KDL-40W590B/40W600B/48W590B/48W600B 7
SECTION 2 - TROUBLESHOOTING
POWER AND CONTROL BLOCK DIAGRAM
LOCAL DIMMING
LD
DC IN
MAIN BOARD
BAXL
PANEL
MODULE
CN2001
PWM0
20
2
PWM1
19
3
IP_REF
18
8
PWM2
17
4
AC_MON
16
12
MAIN_PWR
15
11
GND
14
25
STBY_+3.3V
13
14
GND
12
24
REG+12V
11
17
GND
10
23
19.5V_HOLD
9
18
GND
8
22
19.5V_SS
7
19
GND
6
16
GND
5
15
+19.5V
4
21
+19.5V
3
20
LD_ERR
2
28
LD_STBY
1
9
AC_IN
1
DC-IN
2
DC_GND
CN9101
2
28
BL_ERR
14
25
GND
12
24
GND
10
23
GND
8
22
GND
4
21
+19.5V(12V)
3
20
+19.5V(12V)
7
19
+19.5V_SS(12V)
9
18
+19.5V_HOLD(12V)
11
17
REG+12V
6
16
GND
5
15
GND
13
14
STBY+3.3V
16
12
AC_OFF_DET
15
11
POWER_ON
1
9
LD_STBY
18
8
IP_REF
17
4
LD_PWM_2 / SPI0_2(DATAF)
19
3
LD_PWM_1 / SPI0_1(LATF)
20
2
LD_PWM_0 /SPI0_0(EMIT IN)
NC
30
GND
NC
29
GND
NC
27
BL_ON
NC
26
DIGITAL_STBY
NC
13
TCON_ON
NC
10
SA_MODE
NC
7
FB_REF
NC
6
LD_PWR_4 / SPI0_RDATA / BLU_TEMP
NC
5
LD_PWM_3 / SPI0_3(CLKF)
NC
1
LD_MODE_SW
KDL-40W590B/40W600B/48W590B/48W600B 8
SECTION 2 - TROUBLESHOOTING
NO POWER FLOWCHART
No Power
Yes
No
See Standby LED
Blinking chart
Does TV turn ON?
Is red light blinking
on front of TV?
Yes
No
AC Adaptor*
Substitute 19.5V AC
Adaptor with another.
Main Board*
Check STBY 3.3V
Pin 13 CN2001
LD Board.
Is Pin 13 CN2001
on 3.3 volts?
Yes
LD Board*
*For Part Number information, refer to
“Section 4 - Exploded View/Part Number Information” on page 17
.
KDL-40W590B/40W600B/48W590B/48W600B 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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