Sony KDL-32BX311 Service Manual ▷ View online
KDL-32BX311
28
SECTION 5 - FLOW CHARTS AND DIAGRAMS
POWER SUPPLY INFORMATION
No Power
Is standby LED
blinking?
No
Yes
No
See protection
flowchart
Yes
Does red standby
LED on front panel
light?
Press power
button while
monitoring pin 3 of
CN6401 on power
supply board
High (3.3V)
on pin 3?
Yes
No
High (3.3V)
on pin 2?
Yes
Power Supply
Board
No
Main Board
Power Supply
Board
Power Supply
Board
FIGURE 5-3. POWER SUPPLY FLOWCHART
KDL-32BX311
29
SECTION 5 - FLOW CHARTS AND DIAGRAMS
PROTECTION INFORMATION
Protect
Shutdown.
Standby LED
Blinking
No
Yes
No
Yes
2X
Main Board
3X
5X
No
Yes
LCD Panel
6X
Yes
7X
No
Immediately
After a While
Check room
temperature and
ventilation around
unit
“SONY” logo
appears before
shutdown?
Yes
No
LCD Panel
Power Supply
Board
Power Supply
Board
Main Board
FIGURE 5-4. PROTECTION SHUTDOWN FLOWCHART
KDL-32BX311
30
SECTION 5 - FLOW CHARTS AND DIAGRAMS
UNREG24V
BL-ON
GND
BL_ERR
1~5
6~10
11
12
12
STBY3.3V
AUDIO_12V
AC_OFF_DET
POWER_ON
1
2
3
4
2
3
4
AUDIO_GND
BL_ERR
REG12V_GND
REG12V
5
6, 7
8, 9
8, 9
10
BL_ON
TCON_12V
DIMMER
N/C
11
12
13
14
12
13
14
TCON_ON
15
AC IN (N)
AC IN (H)
1
2
2
CN6401
A
N/C
DIMMER
13
14
14
CN6402
TO
INVERTER
REG 12V
N/C
GND
AUDIO_12V
1,3
2, 4, 6
5
7
7
DIMMER
BL_ERR
8
9
9
CN202
TCON_12V
11
AC_FF_DET
TCON_ON
12
13
13
BL_ON
10
STBY 3.3V
14
N/C
15
POWER_ON
16
G13
FIGURE 5-5. POWER AND CONTROL BLOCK DIAGRAM
KDL-32BX311
31
Components not identified by a part number or
description are not stocked because they are seldom
required for routine service.
The component parts of an assembly are indicated by the
reference numbers in the far right column of the parts list
and within the dotted lines of the diagram.
*
Items marked with an asterisk are not stocked since
they are seldom required for routine service. Expect
some delay when ordering these components.
NOTE: The components identified by shading
and
!
mark are critical for safety. Replace only
with part number specified.
NOTE: The components identified by a red outline and a mark contain
confidential information. Specific instructions must be adhered to whenever
these components are repaired and/or replaced.
See Appendix A: Encryption Key Components in the back of this manual.
SECTION 6 - DISASSEMBLY/PART NUMBER INFORMATION
TABLE-TOP STAND ASSEMBLY REMOVAL
A Remove 4 screws from Table-Top Stand Assembly
B Lift up TV set to detach from Table-Top Stand Assembly
REF. NO.
PART NO.
DESCRIPTION
[ASSEMBLY INCLUDES]
REF. NO.
PART NO.
DESCRIPTION [ASSEMBLY INCLUDES]
1
X-2546-143-1
BASE (M3B) ASSEMBLY
2
4-175-850-01
COVER, NECK (M3B)
3
4-175-852-01
NECK(M3B)
4
2-580-608-01
SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV
CAUTION: These screws cannot be used to secure the TV to
the Wall Mount Brackets
2-580-608-01
SCREW, +PSW M5X16
(SCREWS TO ATTACH TABLE-TOP STAND TO LCD TV)
For product protection and safety reasons, Sony strongly recommends
that you use the screws provided with the TV
CAUTION: These screws cannot be used to secure the TV to
the Wall Mount Brackets
C Gently place the TV set face down onto a soft cloth
A
B
Soft Cloth
C
4
1
2
3
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