Sony KV-29FV15A Service Manual ▷ View online
— 29 —
KV-29FV15A/34FV15A/38FX250A
V1
V2
V3
V4
H. SIZE ADJUSTMENT (HSIZ)
1. Input a monoscope signal.
2. Set to Service Adjustment Mode.
2. Set to Service Adjustment Mode.
3. Select HSIZ with
and
.
4. Adjust with and
for the best Horizontal size.
5. Write into the memory by pressing
then
.
H. SIZE
V. SIZE ADJUSTMENT ( VSIZ)
1. Input a monoscope signal.
2. Set to Service Adjustment mode.
2. Set to Service Adjustment mode.
3. Select VSIZ with
and .
4. Adjust with
and
for the best vertical size.
5. Write into the memory by pressing
then
.
V. SIZE
V. POSITION ADJUSTMENT (VPOS)
1.Input a monoscope signal.
2.Set to Service Adjustment Mode.
2.Set to Service Adjustment Mode.
3.Select VPOS with
and
.
4.Adjust with
and
for the best vertical center.
5.Write into the memory by pressing
then
.
V. POSITION
H. POSITION ADJUSTMENT (HPOS)
HPOS data range is from 0
∼
15.
1. Input a monoscope signal.
2. Set the Service adjustment Mode.
2. Set the Service adjustment Mode.
3. Select HPOS with and
.
4. Adjust with and
for the best horizontal center.
5. Write into the memory by pressing
then
.
H. POSITION
SUB BRIGHT ADJUSTMENT (SBRT)
1. Set to Service adjustment Mode.
2. Input a gray scale pattern signal.
3. Set the PICTURE to minimum, and BRIGHT to normal.
2. Input a gray scale pattern signal.
3. Set the PICTURE to minimum, and BRIGHT to normal.
4. Select SBRT with and
.
5. Adjust SUB BRIGHT level with and
so that the stripe
second from the right is faintly visible.
6. Write into the memory by pressing
then
.
white
black
second from the right
SUB CONTRAST ADJUSTMENT (RDRV)
1. Input a 75% color-bar signal.
2. Set to VIDEO mode = STANDARD, COLOR = minimum,
2. Set to VIDEO mode = STANDARD, COLOR = minimum,
PICTURE = 100%.
GON = 0 (OFF), BON = 0 (OFF).
3. Set to Service adjustment Mode and Connect an oscilloscope
pin 1 of CN351 on A Board.
4. Select RDRV with
and
.
5. Adjust with and
for the 1.85
±
0.05Vp-p of level.
6. Write into the memory by
then
.
White
Black
(29")1.85
±
0.05Vp-p
(34"/38")1.95
±
0.05Vp-p
SUB HUE, SUB COLOR ADJUSTMENT
(2SHU, 2COL, 4SHU, 4COL)
(2SHU, 2COL, 4SHU, 4COL)
NOTE:
4SHU and 4COL are for Video 4 input (38" NTSC Only).
2SHU and 2COL are for all other inputs (34"/38" NTSC/
PAL M/PAL N).
SCOL and SHUE are for all other inputs (29" NTSC/
PAL M/PAL N).
1. Input a color bar signal.
2. Set to Service Adjustment Mode and set to
2. Set to Service Adjustment Mode and set to
VIDEO mode = STANDARD
PICTURE = 100%
COLOR = 50%
HUE = 50%.
PICTURE = 100%
COLOR = 50%
HUE = 50%.
3. Connect an oscilloscope to CN351 Pin 3 of A Board.
4. Select SHUE and SCOL with
and
.
5. Adjust with and for the V1 = V4 (2COL) and V2 =
V3 (2SHU).
6. Write SHUE data 1 step down from even condition to
NVM. 2COL is adjusted by 2SHU compensation.
7. Write into the memory by pressing
then
.
NOTE: Procedure for 4SHU and 4COL is same as above.
— 30 —
KV-29FV15A/34FV15A/38FX250A
SERVICE VP AFC 0
1000 0000
1000 0000
|||||||||||||||------------
OSD POSITION ADJUSTMENT (DISP)
1. Input a color bar signal.
2. Set to Service adjustment Mode.
2. Set to Service adjustment Mode.
3. Select DISP with
and
.
4. Adjust with
and
for the bar center.
5. Write into the memory by pressing
then
.
ROTATION COIL ADJUSTMENT
1. Input a monoscope signal.
2. Push Menu button on the Remote (RM-Y171).
3. Select "Set Up" Mode.
4. Select "Tilt Correction". Confirm that number (0) color
2. Push Menu button on the Remote (RM-Y171).
3. Select "Set Up" Mode.
4. Select "Tilt Correction". Confirm that number (0) color
changes to red.
5. Push
> (+) on the Remote (RM-Y171). Confirm that number
increases up to +5 and picture rotates clockwise.
6. Push
. (+) on the Remote (RM-Y171). Confirm that number
decreases up to -5 and picture rotates counterclockwise.
7. Push
> (+) on the Remote (RM-Y171). Return to 0.
SET-UP
+5
0
-5
Channel Set-up
Favorite Channel
Video Label
Language: English
Tilt Correction : 0
Menu
Menu
X
V LINEARITY (VLIN), V CORRECTION (VSCO), PIN AMP
(PAMP) AND TRAPEZIUM (TRAP) ADJUSTMENTS
(PAMP) AND TRAPEZIUM (TRAP) ADJUSTMENTS
1. Input a cross-hatch signal.
2. Set to Service adjustment Mode.
3. Select VLIN, VSCO, PAMP, and TRAP with and
.
4. Adjust with and
for the best picture.
5. Write the memory by Pressing
then
.
V LINEARITY(VLIN)
VS CORRECTION (VSCO)
PIN AMP (PAMP)
TRAPEZIUM (TRAP)
V ANGLE (VANG), V BOW (VBOW), UPPER PIN (UCPN)
AND LOW PIN (LCPN) ADJUSTMENTS
AND LOW PIN (LCPN) ADJUSTMENTS
1. Input a cross hatch signal.
2. Set to Service Adjustment Mode.
2. Set to Service Adjustment Mode.
3. Select VVANG, VBOW, UCPN, and LCPN with
and .
4. Adjust with and
for the best picture.
5. Write the memory by Pressing
then
.
Please use VANG data from 3
∼
12. Adjust from 3
to
12 only.
V ANGLE (VANG)
V BOW (VBOW)
UPPER PIN (UCPN)
LOW PIN (LCPN)
— 31 —
KV-29FV15A/34FV15A/38FX250A
ELECTRICAL ADJUSTMENT BY REMOTE COMMANDER
NOTE : Test Equipment Required:
1. Pattern Generator
2. Frequency Counter
3. Digital Multimeter
4. Audio OSC
2. Frequency Counter
3. Digital Multimeter
4. Audio OSC
5-1. Method of Setting the Service
Adjustment Mode
SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2.
on
the Remote Commander.
(Press each button within a second.)
(Press each button within a second.)
SERVICE ADJUSTMENT MODE IN
3. The CRT displays the item being adjusted.
4. Press
2
or
5
on the Remote Commander to select the device
item.
5. Press
1
or
4
on the Remote Commander to select the item.
6. Press
3
or
6
on the Remote Commander to change the data.
7. If you want to recover the latest values press
-
then
to read the memory.
8. Press
then
to write into memory**.
NOTE: If the NVM is replaced, perform test and reset, then
download from microprocessor to NVM to prevent loss of picture.
SERVICE ADJUSTMENT MODE MEMORY
Green
9. Press then
on the Remote Commander to reset.
SECTION 5
CIRCUIT ADJUSTMENTS
Use Remote Commander (RM-Y170, RM-Y171) to perform the following circuit adjustments:
RM-Y171
10. Turn set off and on to exit.
5.3. Adjust Buttons and Indicator
5-2. Memory Write Confirmation Method
1. After adjustment, pull out the plug from the AC outlet, then
replace the plug in the AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm they were adjusted.
3. Call the adjusted items again to confirm they were adjusted.
**WARNING: Do NOT turn off the power or AC immediately after pressing
then
. Wait at least 10 seconds
.
SERVICE VP VPOS 30
1000 0
1000 0
Device Item
Register Item
Data Item
SERVICE VP VPOS 30
1000 0
1000 0
Device Item
Register Item
Data Item
Red
SERVICE WRITE
1000 0000
1000 0000
Carry out step 9) when adjusting
IDs 0 to 4 and when replacing and
adjusting IC102.
IDs 0 to 4 and when replacing and
adjusting IC102.
Factory original setting
1
2
3
4
5
6
7
8
0
9
CH
VOL
CODE SET
RESET
MENU
GUIDE
JUMP
SLEEP
CH
–
+
TV/SAT
ENTER
DISPLAY
MTS/SAP
TV/VTR
POSITION
FREEZE
AUDIO
SWAP
PIP
TV/VIDEO
PICTURE
MODE
TV/VIDEO
ANT
VTR/DVD
VTR/DVD
POWER
SAT/CABLE
TV
MUTING
TV
SAT/CABLE
FUNCTION
TV
SYSTEM
OFF
RM-Y171
MUTING
(Write into memory)
(Write into memory)
(Read out of memory)
DISPLAY
(Service mode)
(Service mode)
(Device item down)
(Data up)
(Data down)
(Item up)
(Item down)
(Initialize)
(Service mode)
(Device item up)
ENTER
VOL (+)
POWER
1
4
2
3
6
5
0
8
— 32 —
KV-29FV15A/34FV15A/38FX250A
5-4. Service Data
No.
Register Description
Data
Adj/Fix Initial Data
Average Data
Name
Range
NTSC
TV/AUX
NTSC
TV/AUX
PAL-M
S/VIDEO 1-3
PAL-M
S/VIDEO 1-3
PAL-N
VIDEO 4
PAL-N
VIDEO 4
VP CXA2135S
1
HPOS
Horizontal Position Adjust
0-31
Fix
7
7
2
HSIZ
Horizontal Amp Adjust
0-31
Fix
10
10
3
VBOW
VRT Line Bowing Adjust
0-15
Fix
6
6
6
6
4
VANG
VRT Line Bow Slant Adjust
0-15
Fix
5
5
5
5
5
TRAP
Horizontal Trapezoid Adjust
0-15
Fix
6
6
6
6
6
PAMP
Horizontal Pin Distort Adjust
0-63
Fix
32
32
7
UCPN
Upper Pin
0-63
Fix
36
36
8
LCPN
Lower Pin
0-63
Fix
36
36
9
VSIZ
Vertical Amplitude Adjust
0-63
Fix
0
0
10
VPOS
Vertical Position Adjust
0-63
Fix
31
31
11
VLIN
Vertical Linearity Adjust
0-15
Fix
7
7
12
VSCO
S-Correction
0-15
Fix
7
7
13
VZOM
16:9 CRT Z Mode On/Off
0,1
Fix
0
0
0
0
14
EHT
VRT High Volt Correction
0-15
Fix
4
4
4
4
15
ASP
Aspect Ratio Control
0-63
Fix
47
47
47
47
16
SCRL
16:9 CRT Z Mode Tran Scroll
0-63
Fix
31
31
31
31
17
HBSW
HBLK SW
0,1
Fix
1
1
1
1
18
LBLK
Left Screen H Blk Control
0-15
Fix
15
15
15
15
19
RBLK
Right Screen H Blk Control
0-15
Fix
0
0
0
0
20
HDW
H Drive Pulse Width
0,1
Fix
0
0
1
1
21
EWDC
EW/DC Adjust
0,1
Fix
0
0
0
0
22
LVLN
Screen Bottom VRT Lin Adjust
0-15
Fix
0
0
0
0
23
UVLN
Screen Top VRT Lin Adjust
0-15
Fix
0
0
0
0
24
RDRV
R Output Drive Control
0-63
Adj
31
31
31
31
25
GDRV
G Output Drive Control
0-63
Adj
31
31
31
31
26
BDRV
B Output Drive Control
0-63
Adj
31
31
31
31
27
RCUT
R Output Cutoff Control
0-15
Adj
7
7
7
7
28
GCUT
G Output Cutoff Control
0-15
Adj
7
7
7
7
29
BCUT
B Output Cutoff Control
0-15
Adj
7
7
7
7
30
RDR4
Video 4 R Output Drive Control
0-63
Adj
31
31
31
31
31
GDR4
Video 4 G Output Drive Control
0-63
Adj
31
31
31
31
32
BDR4
Video 4 B Output Drive Control
0-63
Adj
31
31
31
31
33
RCU4
Video 4 R Output Cutoff Control
0-15
Adj
7
7
7
7
34
GCU4
Video 4 G Output Cutoff Control
0-15
Adj
7
7
7
7
35
BCU4
Video 4 B Output Cutoff Control
0-15
Adj
7
7
7
7
36
SHUE
Sub Hue
0-31
Adj
7
7
15
15
37
SCOL
Sub Color
0-31
Adj
15
15
38
SBRT
Sub Brightness
0-63
Fix
15
15
15
15
39
RON
R Output On/Off
0,1
Fix
1
1
1
1
40
GON
G Output On/Off
0,1
Fix
1
1
1
1
41
BON
B Output On/Off
0,1
Fix
1
1
1
1
42
AXPL
Axis Pal
0,1
Fix
0
0
0
0
43
CBPF
Chroma BPF On/Off
0,1
Fix
1
1
44
COFF
Color On/Off
0,1
Fix
0
0
0
0
45
KOFF
Set Color Killer
0,1
Fix
0
0
0
0
46
SSHP
Sub Sharpness
0-15
Fix
7
7
47
SHPF
Sharpness Circuit F0
0,1
Fix
1
1
48
PREL
Pre/Over-Shoot Switching
0,1
Fix
1
1
1
1
49
Y-DC
DC Trans Ratio Switching
0,1
Fix
1
1
1
1
50
ABLM
ABL Mode Switching
0,1
Fix
1
1
1
1
51
YDEL
Y Delay Time Control
0-15
Fix
7
7
52
NCOL
No Color ID
0,1
Fix
1
1
1
1
53
FSC
FSC Out On/Off
0,1
Fix
1
1
1
1
54
K-ID
Killer ID
0,1
Fix
1
1
1
1
55
HOSC
H VCO Oscillation Frequency
0-15
Fix
7
7
7
7
56
VSS
V Sync Slice Level
0,1
Fix
0
0
1
1
57
HSS
H Sync Slice Level
0,1
Fix
0
0
1
1
58
HMSK
H Mask
0,1
Fix
1
1
1
1
59
VTMS
Select Signal VTIM Pin
0-3
Fix
0
0
0
0
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