Sony KE-42TS2E / KE-42TS2U Service Manual ▷ View online
18
Setting [hex]
Sub
Address
Data
bit
Symbol
Item
Function
RANGE
INITIAL value
3-0
-
<no use>
-
7
-
<no use>
-
50
6-0
GAM16
[14:
8]
00~FF 40
7-5
GAM16
[7: 5]
Reverse
γ
correction 16
Reverse
γ coefficient
Input Output value of 256 [LSB]
51
4-0
-
<no use>
-
00~FF 00
E5
7-0
UVrs USER
Vrs
Setting Vrs voltage Standard
equation: Vrs=2.99*UVrs/255
00
~
AA
Adjusted in
factory
E6
7-0
UVra USER
Vra
Setting Vra voltage Standard
equation: Vra=2.99*UVra/255
00
~
AA
Adjusted in
factory
7-3
－
－
Be sure to use the display with
the setting fixed to 0.
0 0
2
RCLVr
UVrs/UVra
RECALL
Resetting the UVrs, UVra in both of
register and EEPROM to the initial value
by setting RCLVr to 1.
This setting automatically returns to 0
after resetting the UVrs,Uvra.
0:Normal
1: UVrs,UVra
initialized
0
1
EWRVr
UVrs/UVra
Write
Storing the UVrs,UVra in register to
EEPROM by setting EWRVr to 1.
This setting automatically returns to 0
after resetting the UVrs,UVra.
0:Normal
1: UVrs,UVra
stored in
EEPROM
0
FE
0
－
－
Be sure to use the display with
the setting fixed to 0.
0 0
7-1
－
－
Be sure to use the display with
the setting fixed to 0.
the setting fixed to 0.
0 0
FF
0 DSET
Data
setup
When the DSETEN setting is 1, setting
this bit causes all the register setups that
have been set up to now, to be reflected to
the operation status of this product. They
are reflected from the next field after this
bit is accepted.
0: Normal
1: Execute
0
19
3.3.2 Function of X-SUS Board
(1) DC/DC power supply block
Vs (+60V) →Vw (+185V)/Vx (+45V)
Vcc (+5V) →XFvcc (+5V, floating)/XFve (+18V, floating)/Ve (+17V)/Vb(-5)
(2) X switching block
Switching during address period
Switching during sustain period
Switching during reset period
(3) Current detector block
Isx (sustain) current detection
3.3.3 Function of Y-SUS Board
(1) DC/DC power supply block
Vcc (+5V) →Y Fvcc (+5V, floating)/Y Fve (+18V, floating)/Ve (+17V)
(2) Switching block
Switching during address period
Switching during sustain period
Switching during reset period
(3) Current detector block
Isy (sustain) current detection
Isp (SDM) current detection
3.3.4 Function of PSU Board
(1) Standby power supply block
AC100–200 →Vpr1 (+5V)/Vpr2 (+3.3v)
(2) PFC block (AD/DC power supply block)
AC100–200 →+380V
(3) AD/DC power supply block
+380V → Vcc (+5V) / Vs (+80V)/Va (+60V)
(4) Current detection block
Ia (address) current detection
(5) Abnormal voltage monitoring
Vs excess voltage monitoring
Va excess voltage monitoring
20
３
３
３
３．
．
．
．５
５
５
５
Protection
function
Protection function
Protection function
Protection function
Overvoltage
Latch
×
×
×
×
×
×
×
×
×
○
Vaux
Overcurrent
(Note 2)
(Note 2)
Voltage pendency
（no latch）
×
×
×
×
×
×
×
PSU
Heat
sink
Heat
sink
Temperature
Latch
×
×
×
×
×
×
×
×
×
○
State of protection operation（×:State change、There is no change at the blank.）
Reactivation
condition when
abnormal content is
excluded
Abnormality part
State
Vw,
Vx
Vs
Va
Vex
Vey
Vcc
Vpr
V
au
x
x
AC
Re-turni
ng on
PFCgo
Reset
Reset
Overvoltage Stop（no latch）
×
×
×
×
×
×
×
○
○
Vw
Overcurrent Delay
Latch
×
×
×
×
×
×
×
○
○
Overvoltage Stop（no latch）
×
×
×
×
×
×
×
○
○
Vx
Overcurrent Delay
Latch
×
×
×
×
×
×
×
○
○
Overvoltage Latch
×
×
×
×
×
×
×
○
○
Low voltage
Latch
×
×
×
×
×
×
×
○
○
Vs
Overcurrent Delay
Latch
×
×
×
×
×
×
×
○
○
Overvoltage Latch
×
×
×
×
×
×
×
○
○
Low voltage
Latch
×
×
×
×
×
×
×
○
○
Va
Overcurrent Delay
Latch
×
×
×
×
×
×
×
○
○
Overvoltage Stop（no latch）
×
×
×
×
×
×
×
○
○
Vex
Vey
Vey
Overcurrent
Voltage pendency
（no latch）
（no latch）
×
×
×
×
×
×
×
○
○
Overvoltage Latch
×
×
×
×
×
×
×
○
○
Vcc
Overcurrent Delay
Latch
×
×
×
×
×
×
×
○
○
Overvoltage Latch
×
×
×
×
×
×
×
×
×
○
Vpr1
Overcurrent
Delay Latch
×
×
×
×
×
×
×
×
×
○
Vpr2
Overcurrent
Delay Latch
×
×
×
×
×
×
×
×
×
○
21
4. Problem
Analysis
4. 1
Outline of Repair Flow
Operation normal ?
PC board
unacceptable (NG) ?
Client claim
Product block/PDP module block
Locating cause of problem
Is PDP module block
Defective ?
Is the Panel defective ?
PC board replacement/Parts
replacement
Panel replacement/IC
module replacement
PC board
replacement/Parts
replacement
Processing to prevent recurrence
Packing/Shipment
Recheck the problem description
Recheck problem
description
Installation in product
Product problem analysis/Repair
Return of repaired product
End of repair
N
Y
Heat run
Y
N
Product
manufacturer
(Repair center)
Repair center
Product
manufacturer
(Repair center)
Client
Client
N
Repair product
and Claim contents match
PDP module sent to factory
Operation normal ?
Repair product and
claim contents match
Is the panel faulty?
N
N
Y
N
Y
Product runs normally ?
Y
Y
Y
Y
N
N
Y
Click on the first or last page to see other KE-42TS2E / KE-42TS2U service manuals if exist.