Sony KDL-32BX359 Service Manual ▷ View online
KDL-32BX359 9
SECTION 3 - FLOW CHARTS AND DIAGRAMS
BLOCK DIAGRAM
PANEL
Tuner
DDR3 x 2
NAND Flash
MT5366
COMPOSITE
KEYPAD
IR/ LED
HDMI1
Head PHONE
/ AUDIO OUT
AMP
STA339BWTR
SPDIF OUT
VGA/HDMI AUDIO
USB
HDMI2
COMPONENT+COMPOSITE + AUDIO
Side I/O
Side I/O
VGA
．
IF 1
UART
SIL9185ACTU
RJ45
RTL8201CP
ETHERNET
ETHERNET PHY
CXD2828
DEMOD
MAX9728
IF 2
OVERALL BLOCK DIAGRAM
KDL-32BX359 10
SECTION 3 - FLOW CHARTS AND DIAGRAMS
NO POWER
UNREG24V
ON/OFF
GND
DET
1
5~9
3
4
STBY5.2V
AC_OFF_DET
POWER_ON
1
2, 3
4
BL_ERR
GND
AUDIO_24V
5, 6
7, 9
10,11
10
DET
DIMMER
N/C
12
13
14
14
ON/OFF
15
AC IN (N)
AC IN (L)
1
2
2
CN9301
A
N/C
DIMMER
2
10~14
CN9302
REG12V
GND
11,12
8, 9,10
DIMMER
1
CN701
5
6, 7
13
STBY5.2V
3, 4
2
GT32
INVERTER
CN901
LCD PANEL &
CCFL BACKLIGHTS
REG12V
14
AC_OFF_DET
AUDIO_24V
DET
POWER_ON
ON/OFF
POWER SUPPLY
MAIN BOARD
POWER AND CONTROL BLOCK DIAGRAM
KDL-32BX359 11
SECTION 3 - FLOW CHARTS AND DIAGRAMS
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
No Power
Is standby LED
blinking?
No
Yes
No
See
Protection Shutdown
flowchart
Yes
Does red standby
LED on front panel
light?
Press power
button while
monitoring pin 4 of
CN9301 on power
supply board
High (3.3V)
on pin 4?
Yes
No
Main Board*
Power Supply
Board*
High (3.3V)
on pin 1?
Yes
No
Power Supply
Board*
Power Supply
Board*
NO POWER FLOWCHART
KDL-32BX359 12
SECTION 3 - FLOW CHARTS AND DIAGRAMS
*For Part Number information, refer to
“Section 4 - Disassembly/Part Number Information” on page 15
.
STANDBY LED BLINKING
Protect
Shutdown.
Standby LED
Blinking
No
Yes
No
Yes
2X
3X
5X
No
Yes
LCD Panel*
6X
Yes
7X
No
Immediately
After a While
Check room
temperature and
ventilation around
unit
Power Supply
Board*
Main Board*
“SONY” logo
appears before
shutdown?
Yes
No
LCD Panel*
Power Supply
Board*
Main Board*
PROTECTION SHUTDOWN FLOWCHART
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