Sony KP-41S5 / KP-41S5B / KP-41S5G / KP-41S5K / KP-41S5R / KP-41S5U Service Manual ▷ View online
– 21 –
KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
SECTION 4
SAFETY RELATED ADJUSTMENT
When replacing the following components marked with
] on
the schematic diagram, always check hold-down voltage and if
necessary re-adjust.
4-1. HV HOLD-DOWN ADJUSTMENT
1. Remove CN810. Connect HV meter to HV Block.
2. Connect External Power Supply to CN810 2 pin
2. Connect External Power Supply to CN810 2 pin
(+135V) and 1 pin (GND).
Part Replaced (
])
E Board
C515,
C516,
C554,
D504,
D507,
L506,
Q502,
R1,
R514,
R516,
R517,
T502,
T504 (FBT)
G Board
IC6008
Part Replaced (
[)
R1
3. Turn on the set.
4. Slowly up the supply voltage from 0V to 135V.
5. Receive dot picture and set PICTURE/BRIGHTNESS to
4. Slowly up the supply voltage from 0V to 135V.
5. Receive dot picture and set PICTURE/BRIGHTNESS to
minimum.
6. Slowly up the voltage until hold-down circuit works (pic-
ture disappear).
7. Read the HV meter of peak HV voltage.
Spec: 34.5
±
0.75KV
8. If Hold-down voltage is less than 33.75KV then solder
R1=820K.
9. If hold-down voltage is over than 35.25KV then take-off
R514 and solder R1=9.1K.
+
–
2
CN810
Power
Supply
Supply
1
E BOARD
– CONDUCTOR SIDE –
CN810
CN505
CN505
R1
Fig. 4-1
Fig. 4-2
Fig. 4-3
Fig. 4-4
Remove the cap off
from the unused
terminal and connect a
static voltmeter there.
from the unused
terminal and connect a
static voltmeter there.
– 22 –
KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
5-1. ELECTRICAL ADJUSTMENTS
HOW TO ENTER INTO SERVICE MODE
1. Turn on the main power switch of the set and enter into
standby mode.
2. Press the following sequcnce of buttons on the Remote
Commander.
Service adjustment to this model can performed with the sup-
plied remote commander RM-862.
plied remote commander RM-862.
“TT—” will appear in the top right comer of the screen.
Other status information wull also be displayed.
Other status information wull also be displayed.
3. Press MENU on the commander to obtain the following
menu on the screen.
5
(ON SCREEN
DISPLAY)
(DIGIT 5)
(VOLUME +)
(TV)
PICTURE ADJUSTMENT
AFC mode
2
REF position
2
SCP BGR
1
SCP BGF
1
Trap Fo
0
Sub contrast
Adj
Sub colour
Adj
Sub brightness
Adj
Green drive
Adj
Blue drive
Adj
Green cutoff
Adj
Blue cutoff
Adj
Gamma
0
Pre / overshoot
0
Y delay
3
GEOMETRY ADJUSTMENT in 4 : 3 mode
UP Corn Pin
Adj
V Size
Adj
V Position
Adj
S Correction
Adj
V Linearity
Adj
H Size
Adj
H Position
Adj
Pin Amp
Adj
Pin Phase
Adj
AFC Bow
Adj
AFC Angle
Adj
EHT V
Adj
EHT H
Adj
Corner Pin
Adj
LO Corn Pin
Adj
WIDE
V Aspect
47
V Scroll
31
Upper V Lin
0
Lower V Lin
0
Left Blanking
1
Right Blanking
11
TEST MENU
> picture adjustment
Geometry
Wide
MSP
IC status
Current TV status
Convergence
Geometry
Wide
MSP
IC status
Current TV status
Convergence
™
1
2
3
4
5
8
6
7
10
9
Standby
TV POWER ON
VOLUME
+
MENU
RM-862
+
–
–
4. Move to the correspondind adjustment using the
button
on the commander.
5. Move the button to the right
to enter the selected
adjustment.
6. Before TURN OFF is neccessary:
[DATA WRITE], [DATA COPY] in 4 : 3 and 16 : 9 mode.
7. Turn off the power to quit the service mode when adjust-
ments are completed.
SECTION 5
CIRCUIT ADJUSTMENTS
*
*
: Adjust only if AE board change.
For change CRT R-G-B is better CONVERGENCE
don't change in 16 : 9 mode.
don't change in 16 : 9 mode.
– 23 –
KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
IC STATUS (CXA2076 / CXA2040)
CXA2076
CXA2076
H lock
1
IKR
1
VNG
0
X•RAY
0
Colour system
3
CV1 Sync
0
CXA2040
Sync sep
1
S1 mode pin
01
S2 mode pin
01
TUNER
Tuner status
01101011
MSP
AGC ON / OFF
ON
Constant gain CDB
1
FM prescale FMP
36
Zwei mono-st WHI
36
Zwei st-mono WLO
18
Zwei mono-bi WMH
36
Zwei bi-mono WLO
18
Time zwei WML
41
Fawct limit
10
Fawct soll init FAW
12
Fawer tol
2
Nicam Err Max CCT
10
Nicam Err Min
0
Nicam Prescale NIP
97
Time Nicam
31
Carrier mute CRM
OFF
Audio clock ACO
HIZ
Scart prescale
25
Scart volume
64
NICAM Prescale I
127
NICAM Prescale L
97
NICAM Prescale BG
97
NICAM Prescale DK
97
CURRENT TV STATUS
Text system
C TEXT / TV TEXT
Dolby
NO / YES
Text language set
WEST / EAST / RUSSIAN
Menu language set
WEST / EAST / RUSSIAN
Destination
B / D / U / K / L / E / A / R
Scart 16 : 9
OFF / ON
RGB priority
OFF / ON
Ageing
OFF / ON
Size
PJ
Colour trap sw
SECAM / ALL
Velocity mod
ON / OFF
AFT STATUS
WINDOW / HIGH / LOW
Lumisponder Mode
OFF
– 24 –
KP-41S5/41S5B/41S5G/
41S5K/41S5R/41S5U
RM-862
5-2. SERVICE LIST
OSD
00
CHSW
0, 1
0
HATCH DISPLAY
0 : Disp, Hatch 1 : No Disp, Hatch
0 : Disp, Hatch 1 : No Disp, Hatch
01
OSDH
1 ~ 32
10
OSD H Position
02
OSDV
1 ~ 32
10
OSD V Position
03
VMRK
0, 1
0
V SIZE MARKER
ON / OFF (cannot write to NVM)
ON / OFF (cannot write to NVM)
Item
number
number
Adjustment
Item
Item
Data
range
range
Initial
data
data
Name / Description
Device
OSD
SFT
SFT
00
SFTE
0, 1
1
SHIFT ENABLE
0 : Disable 1 : Enable
0 : Disable 1 : Enable
01
SFTF
0, 1
0
SHIFT FAST
0 : Normal 1 : Quick (cannot write to NVM)
0 : Normal 1 : Quick (cannot write to NVM)
Item
number
number
Adjustment
Item
Item
Data
range
range
Initial
data
data
Name / Description
Device
GH
00
GSEL
0, 1
0
OSD SELECT FOR GH, GV
CXP86213
0 : Green+Red 1 : Green
01
CENT
–127 ~ +127
0
GREEN H CENTER
02
SKEW
–127 ~ +127
0
GREEN H SKEW
03
BOW
–127 ~ +127
0
GREEN H BOW
04
4 BOW
–127 ~ +127
0
GREEN H 4th BOW
05
SIZE
–127 ~ +127
0
GREEN H SIZE
06
LIN
–127 ~ +127
0
GREEN H LINEARITY
07
M SIZ
–127 ~ +127
0
GREEN H MID SIZE
08
M LIN
–127 ~ +127
0
GREEN H MID LINEARITY
09
KEY
–127 ~ +127
0
GREEN H KEYSTONE
10
SSKW
–127 ~ +127
0
GREEN H SUB SKEW
11
M PIN
–127 ~ +127
15
GREEN H MID PINCUSHION
12
PIN
–127 ~ +127
–12
GREEN H PINCUSHION
13
S BOW
–127 ~ +127
8
GREEN H SUB BOW
14
M BOW
–127 ~ +127
0
GREEN H MID BOW
15
4PIN
–127 ~ +127
0
GREEN H 4th PINCUSHION
16
4 SBOW
–127 ~ +127
0
GREEN H 4th SUB BOW
GV
00
CENT
–127 ~ +127
0
GREEN V CENTER
01
SKEW
–127 ~ +127
0
GREEN V SKEW
02
BOW
–127 ~ +127
0
GREEN V BOW
03
SIZE
–127 ~ +127
0
GREEN V SIZE
04
LIN
–127 ~ +127
0
GREEN V LINEARITY
05
M SIZ
–127 ~ +127
0
GREEN V MID SIZE
06
M KEY
–127 ~ +127
0
GREEN V MID KEYSTONE
07
KEY
–127 ~ +127
0
GREEN V KEYSTONE
08
S SKW
–127 ~ +127
0
GREEN V SUB SKEW
09
M PIN
–127 ~ +127
0
GREEN V MID PINCUSHION
10
PIN
–127 ~ +127
20
GREEN V PINCUSHION
11
S BOW
–127 ~ +127
16
GREEN V SUB BOW
12
WAVE
–127 ~ +127
0
GREEN V WAVE
13
4PIN
–127 ~ +127
25
GREEN V 4th PINCUSHION
DP
Item
number
number
Adjustment
Item
Item
Data
range
range
Initial
data
data
Name / Description
Device
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