Sony Ba5 Service Manual

							— 11 —
KV-25FS12 / 25FS12C
2-2.  CONVERGENGE
Before starting convergence adjustments:
1  Perform FOCUS, VLIN and VSIZE adjustments.
2.  Set BRIGHTNESS control to minimum.
3.  Feed in dot pattern.
VERTICAL STATIC CONVERGENCE
1.  Adjust V. STAT magnet to converge red, green and blue dots in the 
center of the screen (Vertical movement adjust V.STAT RV701 to 
converge).
B G R
Center dot
R   G   B
V.STAT magnet
RV701
V.STAT
2.  Tilt the V. STAT magnet and adjust static convergence to open or close 
the V. STAT magnet.
  When the V. STAT magnet is moved in the direction of arrow a and b, 
red, green, and blue dots move as shown below:
B
RGB
RG
RG B
G
R
B
G B
R
BG R
1
2
3
ababb
b
aa
b
ba
b
ab
HORIZONTAL STATIC CONVERGENCE
If the blue dot does not converge with the red and green dots, peform 
the following:
1.  Move BMC magnet (a) to correct insuffi cient H.Static convergence.
2.  Rotate BMC magnet (b) to correct insuffi cient V.Static convergence.
3.  After adjusting the BMC magnet, repeat Beam Landing Adjustment.
BMC MAGNET
PURITYV. S TAT
b
BMC magnet
a 
						

							— 12 —
KV-25FS12 / 25FS12C
DYNAMIC CONVERGENCE  ADJUSTMENT
Before performing this adjustment, perform Horizontal  and Vertical Static 
Convergence Adjustment.
1.  Slightly loosen defl ection yoke screw.
2.  Remove defl ection yoke spacers.
3.  Move the defl ection yoke for best convergence as    
shown below:
RGB
BGR
RGB
RR
R GB
G
BG
B RG B BGR
R
G
BR GB
BGR RGB
4.  Tighten the defl ection yoke screw.
5.  Install the defl ection yoke spacers.
TLH PLATE A DJUSTMENT
1.  Input crosshatch pattern.
2.  Adjust PICTURE QUALITY to standard, PICTURE and BRIGHTNESS 
to 50%, and OTHER to standard.
3  Adjust the Horizontal Convergence of red and blue dots by tilting the 
TLH plate on the defl ection yoke.
(TLV) YCH
XCV TLV
CB Board
VB
Board RV701
  V. S TAT
TLH Plate
  B R              R B
(R)(B)          (B)(R)TLH+
TLH-
4.  Adjust XCV core to balance X axis.
5.  Adjust YCH VR to balance Y axis.
6.  Adjust vertical red and blue convergence with V.TILT (TLV VR.) 
  Note: Perform adjustment 3-6 while tracking items 1 and 2.
SCREEN-CORNER CONVERGENCE
1.  Affi x a permalloy assembly corresponding to the misconverged areas: 
b a
cd
ab
d
a-d: screen-corner
misconvergence
c
2-3.  FOCUS
1.  Adjust FOCUS control for best pictures.
2-4.  SCREEN (G2)
1.  Input a dot pattern.
2.  Set the PICTURE and BRIGHTNESS controls at minimum and 
COLOR control at normal.
3.  Adjust SBRT, GCUT, BCUT in service mode with an oscilloscope as 
shown below so that voltages on the red, green, and blue cathodes 
are 170 ± 2VDC.
pedestal
GND
 170 ±
 2.0 VDC
Focus (FV)
Screen (G2) 
						

							— 13 —
KV-25FS12 / 25FS12C
2-5. METHOD OF SETTING THE SERVICE 
ADJUSTMENT MODE
SERVICE MODE PROCEDURE
1.  Standby mode (power off).
2.  Press 
Display  Channel 5  Sound Volume +  Power 
on the Remote Commander (press each button within a second).
SERVICE ADJUSTMENT MODE ON
1.  The CRT displays the time being adjusted.
ModeCategoryDisplay
ItemDisplay
Item
Signal
Typentscservice
defl
vchp
00000000
00000000 hsiz 16
2.  Press 1
 or 4
 on the Remote Commander to select the time.
3.  Press 
3
 or 6
 on the Remote Commander to change the data.
4.  Press 
MUTING then ENTER
 to save into the memory.
SERVICE ADJUSTMENT MODE MEMORY
Turn the set off then on to exit Service Adjustment Mode.
service     defl     hsiz 16
ntsc
vchp     00000000    00000000CategoryDisplay 
Item
ModeItem 
Data
Signal
Typewrite
ENTERGreen
Red MUTING
2-6.  WHITE BALANCE ADJUSTMENTS
1.  Input an entire white signal with burst.
2.  Set to Service Adjustment Mode.
3.  Set the PICTURE and BRIGHTNESS to minimum.
4.  Adjust with SBRT if necessary.
5.  Select GCUT and BCUT with 
1
 and 4
 .
6.  Adjust with 
3
 and 6
 for the best white balance.
7.  Set the PICTURE and BRIGHTNESS to maximum.
8.  Select GDRV and BDRV with 
1
 and  4
.
9.  Adjust with 
3
 and 6
 for the best white balance.
10. To write into memory, press 
MUTING then ENTER. 
						

							— 14 —
KV-25FS12 / 25FS12C
HOLD-DOWN READJUSTMENT
If the setting indicated in Step 2 of Hold-Down Operation Confi rmation 
cannot be met, readjustment should be performed by altering the 
resistance value of R564 component marked with 
X. 
+
IABL ABLT505
FBT
range
-
ammeter
3.0 mA  DC
A
3-2. B+ VOLTAGE CONFIRMATION AND 
ADJUSTMENT
Note: The following adjustments should always be performed when 
replacing the following components, which are marked with 
Y on the 
schematic diagram on the A Board:
  
 A BOARD: IC601, PH601
1.  Using a Variac, apply AC input voltage: 130 ± 2 VAC
2.  Input a dot signal.
3.  Set the PICTURE  and the BRIGHTNESS controls to minimum.
4.  Confi rm the voltage of A Board TP-600 is 
						

							— 15 —
KV-25FS12 / 25FS12C
R438
R438R438 R438
R522
R522R522 R522
R541
R541R541 R541 R450
R450R450 R450
R445
R445R445 R445
C611
C611C611 C611
C448
C448C448 C448R449
R449R449 R449
R454
R454R454 R454
C213
C213C213 C213R527
R527R527 R527
R525
R525R525 R525
R514
R514R514 R514R567
R567R567 R567R225
R225R225 R225 R529
R529R529 R529C530
C530C530 C530
C546
C546C546 C546R563
R563R563 R563R218
R218R218 R218R227
R227R227 R227C542
C542C542 C542 C541
C541C541 C541
C518
C518C518 C518R231
R231R231 R231 R232
R232R232 R232
R557
R557R557 R557
C552
C552C552 C552R554
R554R554 R554
R555
R555R555 R555 R543
R543R543 R543
C532
C532C532 C532
R537
R537R537 R537
C523
C523C523 C523
R540
R540R540 R540
C543
C543C543 C543
C519
C519C519 C519
R535
R535R535 R535
CN504
CN504CN504 CN504
L507
L507L507 L507 R546
R546R546 R546
R534
R534R534 R534R545
R545R545 R545
C551
C551C551 C551L510
L510L510 L510R533
R533R533 R533
R515
R515R515 R515R516
R516R516 R516
C503
C503C503 C503
C536
C536C536 C536
C504
C504C504 C504
C513
C513C513 C513 R507
R507R507 R507
T503
T503T503 T503
T502
T502T502 T502
R
6
59 R
6
59
R
6
59
R
6
59
C629
C629C629 C629L602
L602L602 L602R447
R447R447 R447
D507
D507D507 D507
C
6
5
9 C
6
5
9 C
6
5
9
C
6
5
9
T504
T504T504 T504
F
B
6
1
0 F
B
6
1
0 F
B
6
1
0
F
B
6
1
0
C524
C524C524 C524
C550
C550C550 C550
R539
R539R539 R539R518
R518R518 R518 FB502
FB502FB502 FB502
R505
R505R505 R505L505
L505L505 L505R506
R506R506 R506
L501
L501L501 L501
C517
C517C517 C517 L509
L509L509 L509C510
C510C510 C510
R615
R615R615 R615 R601
R601R601 R601
IC502
IC502IC502 IC502
CN502
CN502CN502 CN502
Q411
Q411Q411 Q411
CN511
CN511CN511 CN511
CN506
CN506CN506 CN506
CN515
CN515CN515 CN515
Q501
Q501Q501 Q501
JR503
JR503JR503 JR503
JR502
JR502JR502 JR502
R573
R573R573 R573
R531
R531R531 R531
Q505
Q505Q505 Q505
C654
C654C654 C654IC501
IC501IC501 IC501
L502
L502L502 L502R532
R532R532 R532D233
D233D233 D233 D232
D232D232 D232
D520
D520D520 D520
R561
R561R561 R561 D234
D234D234 D234 D235
D235D235 D235
R565
R565R565 R565
FB503
FB503FB503 FB503
R558
R558R558 R558
R559
R559R559 R559
TH501
TH501TH501 TH501
R511
R511R511 R511
R503
R503R503 R503
C554
C554C554 C554C525
C525C525 C525
C511
C511C511 C511
D616
D616D616 D616
D521
D521D521 D521
R502
R502R502 R502
R547
R547R547 R547R504
R504R504 R504
C505
C505C505 C505
D506
D506D506 D506
C
N
5
0
1 C
N
5
0
1 C
N
5
0
1
C
N
5
0
1
R568
R568R568 R568T505
T505T505 T505 D511
D511D511 D511
D514
D514D514 D514D517
D517D517 D517 D518
D518D518 D518
D516
D516D516 D516
R226
R226R226 R226
D236
D236D236 D236
D510
D510D510 D510
R407
R407R407 R407
C211
C211C211 C211D620
D620D620 D620
R403
R403R403 R403
Q201
Q201Q201 Q201Q503
Q503Q503 Q503
Q206
Q206Q206 Q206Q205
Q205Q205 Q205
Q
5
0
2 Q
5
0
2 Q
5
0
2
Q
5
0
2
R553
R553R553 R553C555
C555C555 C555
C515
C515C515 C515C509
C509C509 C509 C624
C624C624 C624
R804
R804R804 R804R803
R803R803 R803
R801
R801R801 R801
11 1
1
22 2
2
66 6
6 77 7
7
BB B
BEE E
E
1
11 1
7
77 7
BB B
B
EE E
E
1
11 19
99 9
10
1010 10 18
1818 18
11 1
1
66 6
6
1
11 15
55 5
1
11 14
44 4
EE E
E
135V
135V135V 135V
++ +
+
1
11 14
44 45
55 5 8
88 8
CC C
C
BB B
B
22 2
2
66 6
6 44 4
4
H DY +
H DY +H DY + H DY +H DY -
H DY -H DY - H DY -V DY +
V DY +V DY + V DY +V DY -
V DY -V DY - V DY -
H DY +
H DY +H DY + H DY +H DY -
H DY -H DY - H DY -1
11 1 2
22 23
33 3 4
44 45
55 56
66 6
H
-
OU
T H
-
OU
T
H
-
OU
T
H
-
OU
T
H.PROT
H.PROTH.PROT H.PROT
HEATER
HEATERHEATER HEATER
-13V
-13V-13V -13V
200V
200V200V 200V
H.PULSE
H.PULSEH.PULSE H.PULSE
H.DRIVE
H.DRIVEH.DRIVE H.DRIVE
+B
+B+B +B
JUMPER-ID
JUMPER-IDJUMPER-ID JUMPER-ID
57-DS9T1
3C9AA
X R564
C546
+
- DIGITAL
MULTIMETER+
- POWER
SUPPLY
1SS119
T505 FBT
+
- AMMETER
3mA dc range
A 
						

							— 16 —
KV-25FS12 / 25FS12C
4-1. SETTING THE SERVICE ADJUSTMENT 
MODE
1.  Standby mode (Power off).
2.  Press the following buttons on the remote commander within a 
second of each other: 
 
Display  Channel 5  Sound Volumne +  Power
SERVICE ADJUSTMENT MODE ON
1.  The CRT displays the item being adjusted.
service     defl     hsiz 16
ntsc
vchp     00000000    00000000CategoryDisplay 
Item
ModeItem 
Data
Signal
Type
2.  Press 1
 or 4
 on the Remote Commander to select the item.
3.  Press 
3
 or 6
 on the Remote Commander to change the data.
4.  Press 
MUTING then ENTER to write into memory.
SERVICE ADJUSTMENT MODE MEMORY
service     defl     hsiz 16
ntsc
vchp     00000000    00000000CategoryDisplay 
Item
ModeItem 
Data
Signal
Typewrite
ENTERGreen
Red MUTING
1.  Press 8
 then ENTER
 on the Remote Commander to initialize.
service     defl     hsiz 16
ntsc
vchp     00000000    00000000CategoryDisplay 
Item
ModeItem 
Data
Signal
Typewrite
ENTERGreen
Red MUTING
Carry out Step 1 when adjusting
IDs 0-6 and when replacing and 
adjusting IC1003
2.  Turn set off then on to exit service adjustment mode.
4-2. 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 confi rm they were adjusted.
4-3. REMOTE ADJUSTMENT BUTTONS AND 
INDICATORS
SECTION 4:  CIRCUIT ADJUSTMENTS
ELECTRICAL ADJUSTMENTS BY REMOTE COMMANDER
Use the Remote Commander (RM-Y173) to perform the circuit adjustments in this section.
Test Equipment Required:  1. Pattern generator   2. Frequency counter   3. Digital multimeter  4.  Audio oscillator
RM-Y173
MUTING
DISPLAY
1
2
3
4
5
6
8
0
VOLUME (+)
POWER
ENTER
(Enter into 
memory
(Service Mode)
Disp. (Item up)
(Device Item Up)
Disp. (Item down)
(Initialize)(Service Mode)
Item (Data up)
Item (Data down)
(Device item down)
(Enter into 
memory
(Remove from 
memory)
(Service Mode) 
						

							— 17 —
KV-25FS12 / 25FS12C
ADJUSTMENT ITEMS (1 OF 2)
Reg # ITEM FUNCTION RANGEFIX    
DATA NTSC VIDEO RFAVERAGE 
DATA
1 HSIZ  Horizontal Size Adjustment 0-63 35
38
2 HPOS Horizontal Position Adjustment 0-63 3321
3 VBOW Vertical Line Bowing Adj. 0-15 59
4 VANGVertical line Bowing Slant Adj. 0-15 75
5 TRAP Horizontal Trapezoid Adj. 0-15 77
6 PAMP Horizontal PIN  Distortion Adj. 0-63 732
7 UPIN Upper PIN Distortion Adj. 0-63 3639
8 LPIN Lower PIN Distortion Adj. 0-63 3639
9 VM Velocity Modulation On/Off 0,10
10 BLKOVertical Blanking On/Off 0,1 00
11 VMLV Velocity Modulation Level 0-32
12 AGN2 Aging 2 0,1 00
13 REFP Reference Pulse Position 0,1 00
14 VBLKVertical Blanking On/Off 0,1 00
15 JPSW 0,1 00
16 VSIZ Vertical Size Adjustment 0-63 4049
17 VPOS Vertical Position Adj. 0-63 3232
18 VLIN Vertical Linearity Adj. 0-15 76
19 SCOR Vertical "S" Correction Adjustment 0-15 68
20 VZOM 16:9 CRT Z Mode On/Off 0,1 00
21 EHT Vertical High-Voltage Correction 0-15 66
22 ASP Aspect Ratio Control 0-63 4747
23 SCRL  16:9 CRT Z Mode Trans. Scroll 0-63 3131
24 HBLKHorizontal Blanking On/Off 0,1 11
25 LBLK Left Blanking Adjustment 0-15 1112
26 RBLK Right Blanking Adjustment 0-15 85
27 VUSN V Saw Waveform Compress 0,1 00
28 HDW Horizontal Drive Pulse Width 0,1 11
29 EWDC "Parabola" EW/ D.C. Adjustment 0.1 00
30 LVLN Lower Screen BTM Vertical Line Adj. 0-15 00
31 UVLN Upper Screen BTM Vertical Line Adj. 0-15 00
32 HTRP Horizontal Trapezoid Adj. 0,1 00
33 RDRV R Output Drive Control0-63 3136
34 GDRV G Output Drive Control 0-63 2126
35 BDRV B Output Drive Control 0-63 2125
36 RCUT R Output Cutoff Control 0-15 108
37 GCUT G Output Cutoff Control 0-15 66
38 BCUT B Output Cutoff Control 0-15 67
39 DCOL Dynamic Color On/Off 0,1 01
40 SHUE Sub HUE 0-31 1515
41 SCOL Sub Color  0-31 1515
42 SBRT Sub BRIGHTNESS  0-31 1615
43 RON R Output On/Off 0,1 11
44 GON G Output On/Off 0,1 11
45 BON B Output On/Off 0,1 11
46 AXPL Axis PAL 0,1 00
47 AXNT Axis NTSC 0,1 10
48 CBPFChroma BPF On/Off 0,1 11
49 CTRP Y TRAP FILTER On/Off 0,1 11
50 COFF Color On/Off 0,1 00
51 KOFF Set Color Killer 0,1 00
52 SSHP Sub SHARPNESS 0-15 57
Palette mode controls this register
Palette mode controls this register 
						

							— 18 —
KV-25FS12 / 25FS12C
ADJUSTMENT ITEMS (2 OF 2)
service     id’s      id5 19
ntsc
M37280MK-00SP VERB.OFunctionID
Number
ModeData
Signal
Type00010011
Chip 
Version
Reg # ITEM FUNCTION RANGEFIX 
DATA NTSC VIDEO RFAVERAGE 
DATA
53 SHPF SHARPNESS Circuit Fo 0,1
1
54 PREL Pre-Shoot / Over-Shoot 0,1 11
55 Y-DC DC Transmission Ratio Switching 0,11
56 GAMMGamma Correction Amnt 0-31
57 ABLM ABL Mode Switching 0,1 11
58 VTH ABL CD VHT Switching 0,1 11
59 YDEL Y Delay Time Control 0-15 77
60 NCOL No Color ID 0,1 11
61 FSC FSC Out On/Off 0,1 11
62 K-ID Killer ID Control On/Off 0,1 00
63 HOSC Horizontal VCO Oscillation Freq. 0-15 77
64 VSS Vertical Sync Slice Level 0,1 0 0
65 HSS Horizontal Sync Slice Level 0,1 0 0
66 HMSK 0,1 0 0
67 VTMS Select Signal VTIM Pin 0-3 0 0
68 CDMDVertical Count Down Mode Switching 0-3 3 0 0
69 AFC AFC Loop Gain Switching 0-3 0 0 0 0
70 FIFR Field Frequency 0-3 3 3 3
71 SBAL Sub Balance 0-15 5 7
72 SBAS Sub Bass 0-15 0 9
73 STRE Sub Treble 0-15 3 9
74 BBEL BBE Low 0-15 4 12
75 BBEH BBE High 0-15 5 9
76 SRND Surround0,63 0 13
77 BBE BBE On/Off 0,1 0 1
78 DISP O.S.D Display Position 0-63 15 15
79 TROT Tilt Correction 0-63 31 31
80 HCLW Horizontal Count Lower Limit 0-127 16 16
81 HCHGHorizontal Count High Limit 0-127 64 64
82 ABL0 0,1 4 1
83 ABL1 0-7 Palette mode controls this register 7
84 SYSC Color System 0-7 0 6
85 VENH Vertical Enhancement 0-7 0 4
86 CBPC 0,1 3 0
87 BYCF 0,1 0 0
88 KILC 0,1 Palette mode controls this register 0
89 LDOT 0,1 1 0
90 CORE 0,1 1 0
91 CHTR 0,1 0
92 CHPF 0,1 1
93 ENHO 0,1 0
94 ID0 0,255 25 17
95 ID1 0,255 3 19
96 ID2 0,255 91 223
97 ID3 0,255 2 2
98 ID4  0,255 233 233
99 ID5 0,255 17 19
100 ID6 0,255 0 0Palette mode controls this register Palette mode controls this register
Palette mode controls this register
Notes:
No. 1-100 show the order that each adjustment mode may be selected while in Service Mode.
Data Range shows the range of possible setting for each Adjustment Mode.
Initial Data shows the standard settings for each Adjustment Mode. 
						

							— 19 —
KV-25FS12 / 25FS12C
4-4. MB 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-500 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-508 (V OUT) or CN501 pin 
6
(V DY+) and ground on the A Board .
4.  Check that V. Frequency shows 60 ± 4 Hz.
DRIVE (RDRV)
1.  Input a color-bar signal and set the level to 75%.
2.  Set in Standard mode.
3.  Activate the Service Adjustment Mode.
4. Set both GON and BON items. Using 
3
 and 6
 set each to the 
following values. Leave RON set to “1”.
service     video     rdrv 26
ntsc
vchpCategoryDisplay 
Item
ModeItem 
Data
Signal
Type
00000000 00000000
  R ON: ON  (1)
  G ON: OFF  (0)
  B ON:  OFF  (0)
5.  Connect an oscilloscope probe to CB Board, J701 Pin 12 (KR) (Red 
Out) .
6.  Select RDRV with 
1
 and 4
 .
7.  Adjust the value of RDRV with 
3
 and 6
 for
  92.0 ± 2 VDC.
 
92.0 ± 2VDC
8.  Reset GON and BON values to “1”.
  R ON: ON  (1)
  G ON: ON  (1)
  B ON:  ON  (1)
9.  Press 
MUTING then ENTER to save into the memory.
DISPLAY POSITION A DJUSTMENT (DISP)
1.  Input a color-bar signal.
2.  Set to Service Adjustment Mode.
3.  Select DISP with 
1
 and 4
 .
4.  Adjust values of DISP with 
3
 and 6
 to adjust characters to the center.
5.  Write to memory by pressing 
MUTING
 then ENTER
 .
6.  Check to see if the text is displayed on the screen.
service   micro     disp   48
ntsc
vchpCategoryDisplay 
Item
ModeItem 
Data
Signal
Type
00000000 00000000
SUB BRIGHT ADJUSTMENT (SBRT)
1.  Input a monoscope signal.
2.  Activate the Service Adjustment Mode.
3.  Set the PICTURE and BRIGHTNESS to minimum.
4.  Select the SBRT item with 
1
 and 4
 .
5.  Adjust the values of SBRT with 
3
 and 6
 to obtain a faintly visible 
crosshatch.
6.  Press 
MUTING then ENTER
 to save into the memory.
SUB HUE, SUB COLOR ADJUSTMENT (SHUE, 
SCOL)
1.  Input a color-bar signal.
2.  Activate the Service Adjustment Mode.
3.  Connect an oscilloscope probe to CB Board, CN705 Pin 
4
 Blue Out. 
4.  Select the SHUE and SCOL item with 
1
 and 4
 .
5.  While showing the SHUE item, adjust the waveform with 
1
 and 4
 
until the second and third bars show the same level (V2 = V3 < 0.1 
Vp-p).
6.   While showing the SCOL item, adjust the waveform with 
3
 and 6
 
until the fi rst and fourth bars show the same level (V1 = V4 < 0.1 
Vp-p).
 
V1V2 V3
V4
7.  Press MUTING then ENTER to save into the memory.
V. SIZE ADJUSTMENT (VSIZ)
1.  Input a crosshatch signal.
2.  Activate the Service Adjustment Mode.
3.  Select the VSIZ item with 
1
 and 4
 .
4.  Adjust value of VPOS with 
1
 and 4
 for the best vertical center.
5.  Press 
MUTING then ENTER to save into the memory.
  
						

							— 20 —
KV-25FS12 / 25FS12C
V. CENTER ADJUSTMENT (VPOS)
Perform this adjustment after performing H. Frequency 
(Free Run) Check.
1.  Input a crosshatch signal.
2.  Activate the Service Adjustment Mode.
3.  Select the VPOS item with 
1
 and 4
 .
4.  Adjust value of VPOS with 
3
 and 6
 for the best vertical center.
5.  Press 
MUTING
 then ENTER
 to save into the memory.
H. CENTER ADJUSTMENT (HPOS)
Perform this adjustment after performing H. Frequency 
(Free Run) Check.
1.  Input a crosshatch signal.
2.  Activate the Service Adjustment Mode.
3.  Select the HPOS item with 
1
 and 4
 .
4.  Adjust the value of HPOS with 
3
 and 6
 for the best horizontal center.
5.  Press 
MUTING then ENTER
 to save into the memory.
H. SIZE ADJUSTMENT (HSIZ)
1.  Input a monoscope signal.
2.  Activate the Service Adjustment Mode.
3.  Select HSIZ with 
1
 and 4
 .
4.  Adjust with 
3
 and 6
 for the best horizontal size.
5.  Press 
MUTING then ENTER
 to save into the memory.
V. LINEARITY (VLIN), V. CORRECTION 
(SCOR), PIN AMP (PAMP), AND HORIZONTAL 
TRAPEZOID (HTRP) ADJUSTMENTS
1.  Input a crosshatch signal.
2.  Activate the Service Adjustment Mode.
3.  Select VLIN, SCOR, PAMP, and HTRP with with 
1
 and 4
.
4.  Adjust with 
3
 and 6
 for the best horizontal size.
5.  Press 
MUTING then ENTER to save into the memory.
V LINEARITY (VLIN)
V CORRECTION (SCOR)
PIN AMP (PAMP)
HORIZONTAL TRAPEZOID (HTRP)
V. ANGLE (VANG), V. BOW (VBOW), UPPER 
PIN (UPIN) AND LOW PIN (LPIN) 
ADJUSTMENTS
1.  Input a crosshatch signal.
2.  Activate the Service Adjustment Mode.
3.  Select VANG, VBOW, UPIN, and LPIN with 
1
 and 4
.
4.  Adjust with 
3
 and 6
 for the best picture.
5.  Press 
MUTING then ENTER
 to save into the memory.
V ANGLE (VANG)
V BOW (VBOW)
UPPER PIN (UPIN)
LOW PIN (LPIN)
SERVICE ADJUSTMENT MODE MEMORY
1.  After completing all adjustments, press 0
 then ENTER
 .
Read From Memory
Green
Red
ENTER
0service     defl     vbow    7
ntsc
vchpCategoryDisplay 
Item
ModeItem 
Data
Signal
Type
00000000 00000000