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Model
KD-27FS170
Pages
118
Size
11.76 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kd-27fs170.pdf
Date
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KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170 
38
80 + 2Vpp
12.  Repeat steps 5 thru 8 to reset GON and BON values to “1”.
 R 
ON: 
ON 
(1)
 G 
ON: 
ON 
(1)
 B 
ON: 
ON 
(1)
13. Press MUTING  then  ENTER  to write into memory.
Display Position Adjustment (DISP)
1. Input 
a 
color-bar 
signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the Microprocessor category.
4. Press 
1  or  4  to display the DISP item.
5. Press 
3  or  6  to adjust characters to the center.
6. Press 
MUTING  then  ENTER  to write into memory.
7.   Check to see if the text is displayed on the screen.
Sub Bright Adjustment (SBRT)
1.  Input a monoscope signal.
2. Access 
Service 
Adjustment 
Mode.
3.  Set the PICTURE and BRIGHTNESS to minimum.
4. Press 
2  or  5  to select the VP1 category.
5. Press 
1  or  4  to display the SBRT item.
6. Press 
3  or  6  to obtain a faintly visible 20 IRE mark, after that 
increase +3 steps.
7. Press 
MUTING  then  ENTER  to write into memory.
4-4. WHITE BALANCE ADJUSTMENTS
1.  Input an entire white signal with burst.
2. Access 
Service 
Adjustment 
Mode.
3.  Set the PICTURE and BRIGHTNESS to minimum.
4.  Adjust with SBRT if necessary.
5. Press 
2  or  5  to select the VP1 category.
6. Press 
1  or  4  to display the GCUT item.
7. Press 
3  or  6  to adjust for the best white balance.
8. Press 
1  or  4  to display the BCUT item.
9. Press 
3  or  6  to adjust for the best white balance.
10.  Set the PICTURE and BRIGHTNESS to maximum.
11. Press 1  or  4  to display the GDRV item.
12. Press 3  or  6  to adjust for the best white balance.
13. Press 1  or  4  to display the BDRV item.
14. Press 3  or  6  to adjust for the best white balance.
15. Press MUTING  then  ENTER  to save into the memory.
4-5. A BOARD ADJUSTMENTS
H. Frequency (Free Run) Check
1.  Input a TV mode (RF) with no signal.
2.  Connect a frequency counter to base of Q501 
(TP-25 H. DRIVE) on the A Board.
3.  Check H. Frequency for 15735 ± 200 Hz.
V. Frequency (Free Run) Check
1.  Select video 1 with no signal input.
2.  Set the conditions for a standard setting.
3.  Connect the frequency counter to TP-27 (V OUT) or CN501 pin  6
(V DY+) and ground on the A Board .
4.  Check that V. Frequency shows 60 ± 4 Hz.
Drive (SCON)
1.  Input a color-bar signal and set the level to 75%.
2.   Set in Pro mode + PICTURE MAX.
3. Access 
Service 
Adjustment 
Mode. 
4. Press 
2  or  5  to select the VP1 category.
5. Press 
1  or  4  to display the GON item.
6. Press 
3  or  6  to adjust to 0.
7. Press 
1  or  4  to display the BON item.
8. Press 
3  or  6  to adjust to 0.
 
Note: Leave RON set to “1”.
 R 
ON: 
ON 
(1)
 G 
ON: 
OFF 
(0)
 B 
ON: 
OFF 
(0)
9.  Connect an oscilloscope probe to C Board, CN705 pin3 (KR).
10. Press 1  or  4  to display the SCON item.
11. Press 3  or  6  to adjust the value of SCON to 80 ± 2Vpp.
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170 
39
Sub Hue, Sub Color Adjustment (SHUE, SCOL)
1.  Input color-bar signal at 75%.
2. Access 
Service 
Adjustment 
Mode.
3.  Set (PIC) to Max and (COL) to 50%. 
4.  Connect an oscilloscope probe to C Board, CN705 pin  4  (Blue 
Out). 
5. Press 
2  or  5  to select the VP1 category.
6. Press 
1  or  4  to display the SHUE or SCOL item.
7.   While showing the SHUE item, adjust the waveform by pressing  3  
or  6  until the second and third bars show the same level 
(V2 = V3 < 0.15Vp-p). Set Sub Hue -2 Step.  
8.  While showing the SCOL item, adjust the waveform by pressing  3  
or  6  until the fi rst and fourth bars show the same level 
(V1 = V4 < 0.15Vp-p).  Set Sub Col + 2 Step.
V1 V2 V3 V4
9. Press 
MUTING  then  ENTER  to write into memory.
V. Size Adjustment (VSIZ)
1. Input 
a 
crosshatch 
signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the VSIZ item.
5. Adjust 
value of VSIZ by pressing  3  or  6  for the best vertical size.
6. Press 
MUTING  then  ENTER  to write into memory.
 
V. Center Adjustment (VPOS)
Perform this adjustment after performing H. Frequency 
(Free Run) Check.
1. Input 
a 
crosshatch 
signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the VPOS item.
5.  Adjust value of VPOS by pressing  3  or  6  for the best vertical 
center.
6. Press 
MUTING  then  ENTER  to write into memory.
H. Center Adjustment (HPOS)
Perform this adjustment after performing H. Frequency (Free Run) 
Check.
1. Input 
a 
crosshatch 
signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the HPOS item.
5.  Adjust the value of HPOS by pressing  3  or  6  for the best horizontal 
center.
6. Press 
MUTING  then  ENTER  to write into memory.
H. Size Adjustment (HSIZ)
1.  Input a monoscope signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the HSIZ item.
5.  Adjust value of HSIZ by pressing  3  or  6  for the best horizontal 
size.
6. Press 
MUTING  then  ENTER  to write into memory.
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170 
40
V. Linearity (VLIN), V. Correction (SCOR), PIN 
Amp (PAMP), and Trapezoid (TRAP) 
Adjustments
1.  Input a crosshatch signal.
2.   Access Service Adjustment Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the VLIN item.
5.  Adjust the value of VLIN by pressing  3  or  6  for the best horizontal 
size.
6.  Repeat steps 4 and 5 for SCOR, PAMP, and TRAP.
7.   Press  MUTING  then  ENTER  to write into memory.
V LINEARITY (VLIN)
V CORRECTION (SCOR)
PIN AMP (PAMP)
TRAPEZOID (TRAP)
V. Angle (VANG), V. Bow (VBOW), Upper PIN 
(UPIN) and Low PIN (LPIN) Adjustments
1.  Input a crosshatch signal.
2. Access 
Service 
Adjustment 
Mode.
3. Press 
2  or  5  to select the DEF category.
4. Press 
1  or  4  to display the VANG item.
5.  Adjust the value of VANG by pressing  3  or  6  for the best picture.
6.  Repeat steps 4 and 5 for VBOW, UPIN, and LPIN.
7. Press 
MUTING  then  ENTER  to write into memory.
V ANGLE (VANG)
V BOW (VBOW)
UPPER PIN (UPIN)
LOW PIN (LPIN)
Reading Adjustments to Memory
1. After completing all adjustments,  0  then  ENTER  to read into 
memory.
Category
Display
Item
Display
Data
Signal
Type
Channel
Type
NTSC
READ
DEF
M65586MK-056FP
D1.0
HSIZ
1:35                NVM:OK
Text 
changes to 
“READ” and 
changes 
colors from 
green to red
KD-27FS170/32FS170/36FS170
KD-27FS170/32FS170/36FS170 
41
4-6.  SERVICE DATA LISTS
( = ) Means not memorized in NVM
Version
1.0
NTSC
Video YUV
Digital
Init
Init
Init
Init
Data
Data
Data
Data
VERSION
Fix
0
=
=
=
=
VAR
1
HSIZ
H SIZE(EW DC)
24
24
24
26
VAR
2
HPOS
H POSITION
25
25
25
18
VAR
3
VSIZ
V RAMP SIZE
41
41
41
41
VAR
4
VPOS   
V POSITION(RAMP DC)
30
30
30
30
VAR
5
VLIN
V LINEARITY
38
VAR
6
SCOR
S CORRECTION
51
VAR
7
VBOW
BOW
32
VAR
8
VANG
ANGLE
19
VAR
9
TRAP
EW TRAPESIUM
35
VAR
10
PAMP
EW PIN
32
VAR
11
UPIN
UPPER PIN
31
VAR
12
LPIN
LOWER PIN
30
VAR
13
TROT
TROT
109
VAR
14
HBLK
H BLK mode select
0
VAR
15
RBLK
HBLK rear timing
29
31
31
31
VAR
16
LBLK
HBLK front timing
59
60
60
60
VAR
17
VBLK
V BLK width
3
FIX
18
HMSK
TOP VEND(when MACROVISION)prevent OFF
0
FIX
19
HDW
H PULSE WIDTH(25u     19u)
1
FIX
20
AFC
AFC GAIN
0
FIX
21
AFC1
AFC1 TIME CONSTANT
3
FIX
21
AFC1
AFC1 TIME CONSTANT
3
3
3
FIX
22
AFCW
AFC1 PULL IN WIDE
1
FIX
23
CDMD
V DET WINDOW SW TIMING
1
Fix/
Var
No.
Description
Service
Group
DEF
Name
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