Sony KV-HW21M80 (serv.man2) Service Manual ▷ View online
– 29 –
KV-HW21M80/HW21M83
RM-W101
3-3.
PICTURE QUALITY ADJUSTMENTS
PMX/CONTRAST ADJUSTMENT
1. Select Video Mode.
2. Input PAL CB to TV set.
3. Set PICT 03 "PWL" to 00h and WHBL 21 "BLBG" to 01h.
4. Set the following condition:
2. Input PAL CB to TV set.
3. Set PICT 03 "PWL" to 00h and WHBL 21 "BLBG" to 01h.
4. Set the following condition:
PICTURE 100%, COLOR 0%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin 4 (R output) of CN004.
6. Set to Service Mode "PWL" to 00h, "BLBG" to 01h.
7. Select SADJ00 "PMX" with
6. Set to Service Mode "PWL" to 00h, "BLBG" to 01h.
7. Select SADJ00 "PMX" with
1
and
4
of the
commander then adjust VR within spec with
3
and
6
.
8. Then press [MUTING]
t
-
to write the data
9. Set "PWL" and "BLBG" back to initial data repectively.
(PWL: 01h and BLGG: 00h)
SUB COLOR ADJUSTMENT
1. Select Video and set Picture mode.
2. Input PAL 100% CB to TV set.
3. Set PICT 06 "WTS" to 00h.
4. Set the following condition:
2. Input PAL 100% CB to TV set.
3. Set PICT 06 "WTS" to 00h.
4. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%.
5. Connect an oscilloscope to pin 2 (B output) of CN004.
6. Select to Service Mode and adjust SADJ04 "SCOL"
6. Select to Service Mode and adjust SADJ04 "SCOL"
with
1
and
4
of commander then adjust to
VB2 = VB3 = VB4 with
3
and
6
.
7. Then press [MUTING]
t
-
to write the data.
8. Set "WTS" back to original data.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58 Color Bar to TV set.
3. Set the following condition:
2. Input a NTSC 3.58 Color Bar to TV set.
3. Set the following condition:
PICTURE 100%, COLOR 50%, BRIGHTNESS 50%
4. Connect an oscilloscope to pin 2 (B output) of CN004.
5. Set to Service and adjust SADJ01 "SHUE" with
5. Set to Service and adjust SADJ01 "SHUE" with
1
and
4
of commander then adjust to VB1 = VB2 =
VB3 = VB4 with
3
and
6
.
6. Then press [MUTING]
t
-
to write the data.
The highest level of VB1, VB2, VB3, VB4 must be
aligned at the same time.
The ideal difference between VB2 and VB3 is within
±110mV.
aligned at the same time.
The ideal difference between VB2 and VB3 is within
±110mV.
For single system with NTSC 4.43 select TV channel
with NTSC 4.43 and repeat 4
with NTSC 4.43 and repeat 4
t 6.
3-4.
DEFLECTION ADJUSTMENT
H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dotsignal.
2. Adjust on to make H-Trapezoid distortion best.
2. Adjust on to make H-Trapezoid distortion best.
NORMAL MODE (50Hz)
1. Set to Service Mode.
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the
2. Input SPCB Signal (Select Video Mode for USA).
3. Using the
1
and
4
button select GEO (Service
Mode).
4. Rasie/lower data using the
3
and
6
buttons adjust
the following items:-
GEOM :
000
HPOS
Horizontal Shift (HS)
001
HPAR
Horizontal Parallelogram
002
HBOW
Horizontal Bow
003
VLIN
Vertical Linearity
004
VSCR
Vertical Scroll
005
HSIZ
EW Width (EW)
006
EWPW
EW Parabola/Width (PW)
007
UCOP
EW Upper Corner Parabola
008
LCOP
EW Lower Corner Parabola
009
EWTZ
EW Trapezium
010
VSLP
Vertical Slope (VS)
011
VSIZ
Vertical Amplitude
012
SCOR
S-Correction (SC)
013
VPOS
Vertical Shift (VSH)
014
HBL
RGB Blanking Mode
015
WBF
Timing of Wide Blanking (WBF)
016
WBR
Timing of Wide Blanking (WBR)
017
SBL
Service Blanking
018
COPY
Copy the GEO data to all
50/60Hz NVM area
50/60Hz NVM area
5. Write into memory by pressing [MUTING] then
-
on
the remote commander.
VB2 = VB3 = VB4
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VR
Black
1.46
± 0.03 Vp-p = without VM models
1.65
± 0.03 Vp-p = with VM models
VB1
VB2
VB3 VB4
– 30 –
KV-HW21M80/HW21M83
RM-W101
WIDE MODE (50Hz)
(V-Compression Adjustment)
1. Input SPCB signal.
2. Adjust condition change to WIDE MODE : ON
3. Copy (Item from normal mode 50Hz) all Normal
1. Input SPCB signal.
2. Adjust condition change to WIDE MODE : ON
3. Copy (Item from normal mode 50Hz) all Normal
Mode adjusted data.
NORMAL MODE (60Hz)
1. Input 525/60Hz signal.
2. They can copy 50Hz first.
2. They can copy 50Hz first.
("COPY" under GEOM is set to
1
, then [MUTE] +
-
)
3. Using the
1
and
4
button, select category GEO
(Service Mode).
4. Raise/lower data using the
3
and
6
buttons to
obtain optimum image.
GEOM :
000
HPOS
Horizontal Shift (HS)
001
HPAR
Horizontal Parallelogram
002
HBOW
Horizontal Bow
003
VLIN
Vertical Linearity
004
VSCR
Vertical Scroll
005
HSIZ
EW Width (EW)
006
EWPW
EW Parabola/Width (PW)
007
UCOP
EW Upper Corner Parabola
008
LCOP
EW Lower Corner Parabola
009
EWTZ
EW Trapezium
010
VSLP
Vertical Slope (VS)
011
VSIZ
Vertical Amplitude
012
SCOR
S-Correction (SC)
013
VPOS
Vertical Shift (VSH)
014
HBL
RGB Blanking Mode
015
WBF
Timing of Wide Blanking (WBF)
016
WBR
Timing of Wide Blanking (WBR)
017
SBL
Service Blanking
018
COPY
Copy the GEO data to all
50/60Hz NVM area
50/60Hz NVM area
WIDE MODE (60Hz)
(V-Compression Adjustment)
1. Input mono scope signal.
2. Adjust condition change to WIDE MODE : ON
3. "COPY" is set to
1. Input mono scope signal.
2. Adjust condition change to WIDE MODE : ON
3. "COPY" is set to
1
, then [MUTE] +
-
3-5.
DRIVE ADJUSTMENT
1. Input signal
70% Color Bar (USA)
100% Color Bar (Other)
100% Color Bar (Other)
2. Make sure only red is active.
3. Set following condition :-
3. Set following condition :-
PICTURE 100%, COLOR 0%, Other 50%
4. Select SADJ00 "PMAX" with
1
and
4
then adjust
until voltage in R out X gain
[recorded]
= SPEC
5. Then press [MUTING]
t
-
to write data.
X
±2VDC (R Cathode on C or CV board)
6. Set VIDP 36 BLBG back to 00.
Model
14”
21”
GA
83.0
88.0 - Non VM Models
99.0 - VM Models
– 31 –
KV-HW21M80/HW21M83
RM-W101
3-6.
PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
1. Input NTSC Monoscope 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
vertical center.
5. Press [MUTING] then
-
to save into the memory.
H. SIZE ADJUSTMENT (HSIZ)
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
1. Input NTSC 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
-
to save into the memory.
V. SIZE ADJUSTMENT (VSIZ)
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
V. CENTER ADJUSTMENT (VPOS)
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
1. Input NTSC Monoscope 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
-
to save into the memory.
V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
1
and
4
.
4. Adjust with
3
and
6
for the best horizontal size.
5. Press [MUTING] then
-
to save into the memory.
V. ANGLE (HPAR), H. BOW (HBOW), UPPER PIN
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input NTSC Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
1
and
4
.
4. Adjust with
3
and
6
for the best picture.
5. Press [MUTING] then
-
to save into the memory.
HORIZONTAL TRAPEZOID (EWTZ)
PIN AMP (EWPW)
V CORRECTION (SCOR)
V LINEARITY (VLIN)
UPPER PIN (UCOP)
LOW PIN (LCOP)
V ANGLE (HPAR)
V BOW (HBOW)
–
32
–
KV
-HW21M80/HW21M83
-HW21M80/HW21M83
RM-W101
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF SAW
SIF SAW
MAIN
Power
Supply
FSS TUNER
AGCin
12C
Video
L(Mono)
R
Video
L(Mono)
R
CV/YC
L(Mono)
R
CV/YC
L(Mono)
R
G/Y
B/P
B
R/P
R
L
R
Fbl(RGBin)
24.576MHz
DVD/RGB
AV2
AV1
Audio Amp
Audio Amp
TV
out
TV
out
Mon
out
AV1
in
AV2
in
RGB/
DVD
in
5V
30V
IF
24-5.VIF1~2
29~30.SIF1~2
115.P3.0
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
3.3V
RESET
3.3V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
10W
R
10W
L,R
I
HP
mute
EHT, ABL
Hp
1k
EW, Hd
L, R
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
DAC
Stereo,
DSP
A
D
C
C
ONE CHIP
Micro
Text
CC & V-chip
11.Xtalout
10.Xtalin
74~76.YUVout
70-72.RGB2 in
119.ADC2
126.INT2
98, 99. SDA1, SCL1
08, 109. SDA0, SCL0
102.P0.4
122~3.P2.4~5
77.Fbl3
78~80.RGB3
34.InL5
34.InL5
120.P3.3(S2)
31.AGCout
33.SNDIF
44.Intco
43.IFVO
62,63.HPL, R
48.SV0
36,37.OutL, R1
111.P2.0(S1)
85~87
RGBout
84.lk
65.SVM
23. V+
22. V-
112.PWMO
113.P2.2
21.EWD
67.Hout
66.Fbiso
32.EHTO/OVP
83.BCKin
60,61
LSL,R
106.P0.2
105.P0.1
105.P0.1
58.CV/Y3
59.C3
56, 57InL,R3
55.CV/Y2
53,54.InL,R2
59.C3
56, 57InL,R3
55.CV/Y2
53,54.InL,R2
B-INT
LED
+B line
30V
R
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