Sony KE-37XS910 / KE-42XS910 / KE-MX37A1 / KE-MX37N1 / KE-MX37S1 Service Manual ▷ View online
– 65 –
(4) When the installation of the board is complete, route the wires as shown below.
Enlarge
– 66 –
6 OPERATION CHECK AND ADJUSTMENT METHOD
6.1 LIST OF CHECK AND ADJUSTMENT ITEMS
Adjustment position
Check and adjustment
Required timing
Labor
required
Adjustment item
(Major item)
(Major item)
Adjustment item
(Minor item)
(Minor item)
(Name of the part)
When PDP
panel is
replaced
panel is
replaced
When
X-SUS
board is
replaced
X-SUS
board is
replaced
When
Y-SUS
board is
replaced
Y-SUS
board is
replaced
When
LOGIC board
is replaced
LOGIC board
is replaced
When ABUS
board is
replaced
board is
replaced
When PSU
board is
replaced
board is
replaced
Jig/tools
Labor
(persons)
(persons)
Time
(minutes)
(minutes)
Is detection adjustment
X-SUS board VR1
1
1
Ve voltage adjustment
X-SUS board VR4
1
1
Vw voltage adjustment
X-SUS board VR3
1
1
Ve voltage adjustment
Y-SUS board VR1
1
1
Is detection adjustment
Y-SUS board VR2
1
1
PFC voltage adjustment
PSU board RV301
1
1
Vs adj1
PSU board RV801
1
1
Vs adj2
PSU board RV802
1
1
Va adj2
PSU board RV803
1
1
Vs f min
PSU board RV901
1
1
Vpr adj
PSU sub-board RV201
1
1
Vcc f min
PSU sub-board RV150
1
1
Vcc adj
PSU sub-board RV270
1
1
Va adj1
PSU sub-board RV860
1
1
Vaa
PSU sub-board RV861
1
1
VR adjustment
Va f min
PSU sub-board RV950
Digital
voltmeter ,
screwdriver
voltmeter ,
screwdriver
1 1
Vs voltage adjustment
LOGIC board(Vsvolt)
〇
〇
1
1
Va voltage adjustment
LOGIC board(Vavolt)
〇
〇
1
1
Vw voltage adjustment
LOGIC board(Vwvolt)
〇
〇
1
1
Parameter
adjustment
adjustment
Vx voltage adjustment
LOGIC board(Vxvolt)
〇
〇
Interface
board,
personal
computer,
Digital
voltmeter
board,
personal
computer,
Digital
voltmeter
1 1
Error history clear
LOGIC board
(EEPROM)
(EEPROM)
〇
〇
〇
〇
〇
〇
1 1
Default setting
Accumulated power-on
time clear
time clear
LOGIC board
(EEPROM)
(EEPROM)
〇
Interface
board,
personal
computer
board,
personal
computer
1 1
: Check, adjustment, or setup
Be sure to keep the default setup set at the factory.
(Do not change the VR control settings.)
(Do not change the VR control settings.)
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6.2 CHECK AND ADJUSTMENT METHOD
6.2.1
Check and adjustment procedure
Check and adjustment
Was Panel
chassis replaced?
Parameter adjustment
(Section 6.2.2)
Default setup (Error history clear)
(Section 6.2.7)
No
abnormality?
Operation/performance
check
Burn-in mode setting
(Section 6.2.4)
Was Panel
chassis replaced?
replaced?
Was LOGIC board
replaced?
Accumulated power-on
time reset
(Section 6.2.6)
End
Heat run
(Section 6.2.4)
Y
N
Re-analysis
To Section 4.2
Abnormal
operation？
Logic board data transfer
(Section 6.2.5)
Y
Y
N
N
N
N
Y
Y
– 68 –
6.2.2
Parameter adjustment
List of parameter adjustment items
Item
Adjustment items
Measurement point
Adjustment value
(conditions)
Remarks
1
Vs voltage adjustment X-SUS board PVS
Voltage setting label indication
value* ; ±1% (all black)
value* ; ±1% (all black)
2
Va voltage adjustment X-SUS board PVA
Voltage setting label indication
value* ; ±1% (all black)
value* ; ±1% (all black)
3
Vw voltage adjustment X-SUS board PVW
Voltage setting label indication
value* ; ±1% (all black)
value* ; ±1% (all black)
4
Vx voltage adjustment X-SUS board PVX
Voltage setting label indication
value* ; ±1% (all black)
value* ; ±1% (all black)
*: Voltage setting label shows the following messages at the top left of the back of the chassis.
< LOT > NNNNNNNNNNNNNN
Vs = XX.X V
Va = XX.X V
Vw = XXX.X V
Vx = XX.X V
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