DOWNLOAD Sony KV-XR25M50 (serv.man3) Service Manual ↓ Size: 7.95 MB | Pages: 93 in PDF or view online for FREE

Model
KV-XR25M50 (serv.man3)
Pages
93
Size
7.95 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xr25m50-sm3.pdf
Date

Sony KV-XR25M50 (serv.man3) Service Manual ▷ View online

– 25 –
KV-XR25M50/XR25M80
RM-W104
Item
KV-XR25M50
KV-XR25M80
SPEED SEARCH (Time of speed search)
00 = disabled (original cycle speed)
01 = 4 time speed from the original
10 = 6 time speed from the original
11 = 8 time speed from the original
TV System Selection
0 = disabled, 1 = enabled
ITEM INFORMATION
No. OPB1
D1
(D1 Terminal)
0 = not available, 1 = available
AV Multi/
(AV Multi Terminal) - JP
0 = not available, 1 = available
PAM
Portable Audio Mode - GA
0 = not available, 1 = available
Component
(Component [YCbCr] Terminals)
0 = not available, 1 = available
Composite
(No. of Composite Terminals)
00 = no composite terminal
(Euro:no Scart) BX1L:No Video
(SCART)
(No. of SCART Terminals)
01 = 1 composite terminal
(Euro:1 Scart) BX1L:2 Video in
10 = 2 composite terminals
(Euro:2 Scart) BX1L:3 Video in
11 = 3 composite terminals
(Euro:no terminal) BX1L:4 Video in
SECAM
(SECAM Color System)
0 = disabled, 1 = enabled
Color decoding
(Color Crystal Selection)
00 = PAL/NTSC/SECAM (Multi)
01 = NTSC (3.58MHz)
10 = PAL/NTSC/SECAM (4.43MHz)
11 = PAL/NTSC (Tri-Norma)
No. OPB2
0
0
0
0
SECAM
1
1
1
1
1
1
Component
1
1
AV Multi/
PAM(GA)
0
0
D1
0
0
Color Decording
Item
KV-XR25M50
KV-XR25M80
D/K
1
1
I
1
1
B/G
1
1
L(Euro),
M(GA)
1
1
L’
0
0
M/N
0
0
1
1
Speed Search
0
0
Composite (SCART)
DEC
79
79
DEC
60
60
Item
KV-XR25M50
KV-XR25M80
HDEV
(High Deviation Mode)
0 = disabled, 1 = enabled
NICAM ST
(NICAM Stereo)
0 = disabled, 1 = enabled
NICAM BI
(NICAM Bilingual)
0 = disabled, 1 = enabled
A2 ST/BI
(A2 [West German]
Stereo/Bilingual)
0 = disabled, 1 = enabled
Thai Bilingual
(A2 [Thai] Bilingual)
or Force SAP if JP/US ST is active
0 = disabled, 1 = enabled
US ST
(US Stereo)
0 = disabled, 1 = enabled
JP/Korean ST
(JP/Korean Stereo)
0 = disabled, 1 = enabled
MONO
(Monaural Model)
0 = Stereo (SSD) Model
1 = Monuaral Model
No. OPB3
MONO
0
0
JP/
Korean ST
0
0
US ST
0
0
Thai
Bilingual
0
0
A2 ST
0
0
NICAM BI
0
0
NICAM ST
0
0
HDEV
0
0
DEC
0
0
– 26 –
KV-XR25M50/XR25M80
RM-W104
Item
KV-XR25M50
KV-XR25M80
Item
KV-XR25M50
KV-XR25M80
Firmware/
SMAT
1
1
No. OPB4
Text
0
0
Top
0
0
V-Chip
0
0
Surround
0
0
Equalizer
1
1
VM
1
1
1 spk
Models
0
0
Firmware
(SSD Firmware Downloading)
0 = disabled, 1 = enabled
SMAT
Surround Matrix
0 = Active, 1 = Passive
1 spk Models
1 Speaker Models
0 = 2 or 3 Speaker Models,
1 = 1 speaker Models
VM
(Velocity Modulation)
0 = disabled, 1 = enabled
Equalizer
(5-band Equalizer Model)
0 = Bass/Treble Model, 1 = Equalizer Model
Surround
(US/GA Surround Selection)
0 = Off/Simulated/Surround
1 = Off/Simulated/WOW/TruSurround (US)
1 = Off/Simulated/SRS (3D) Surround (GA)
V-Chip
(V-Chip Model)
0 = Channel Block Model (no rating)
1 = Parental Control Model (rating)
TOP
(Forced TOP)
0 = Auto Mode (TOP/FLOF), 1 = Forced TOP
TEXT
(Teletext Model)
0 = Non-Teletext Model, 1 = Teletext Model
Full Surround
(Full Surround option)
0 = Normal Surround Model
1 = Full Surround Model
(Off/simulated/surround/
SRS/WOW/TruSurround)
No Surround
(No Surround Model)
0 = Surround Model, 1 = Non-Surround Model
Forced 60
(Forced 60Hz in no signal)
0 = 50Hz, 1 = 60Hz
ASD
(Automatic Standard Detection)
0 = disabled, 1 = enabled
Tilt
(Tilt Correction/PIC Rotation)
0 = disabled, 1 = enabled
IP Plus
(Intelligent Picture Plus)
0 = disabled, 1 = enabled
IP
(Intelligent Picture)
0 = disabled, 1 = enabled
Wide
(Wide Mode/V-Compressed)
0 = disabled, 1 = enabled
No. OPB5
Wide
1
1
IP
1
1
IP Plus
1
1
Tilt
1
1
ASD
0
0
Forced 60
0
0
No
Surround
0
0
Full
Surround
0
0
DEC
15
15
DEC
176
176
– 27 –
KV-XR25M50/XR25M80
RM-W104
Item
KV-XR25M50
KV-XR25M80
0
0
0
0
1
1
0
0
Feature 1
0
0
Feature 2
0
0
Latin
0
0
GA US
0
0
OSD Language Selection
No. OPB6
GA US
(US Model Destination)
0 = US/CANADA/Latin
1 = Taiwan/Korea/Philippine
(Wake-up timer enable)
(GA Surround Spec: OFF,
SIMULATED, SRS)
Latin
(US Model Latin Destination)
0 = US/CANADA (No Volume Figure Display)
1 = Latin (Volume Figure Display)
Feature 2
(Temporary for BX1L)
0 = Comb Not available
1 = Comb available
Feature 1
(Temporary for BX1L)
0 = PiP Not Available
1 = PiP available
OSD Language Selection
01xx = French
(English always available except JP)
US
0x1x = Spanish
0xx1 = Portuguese
US
1x1x = Complicated Chinese
(GA NTSC)
1xx1 = Korean
1xxx = Simplified Chinese
GA
x1xx = Arabic
xx1x = Thai
xxx1 = Vietnamese
0000 = Destination ADE
EU
0001 = Destination BL
0010 = Destination KR
0011 = Destination U
DEC
4
4
– 28 –
KV-XR25M50/XR25M80
RM-W104
3-3. PICTURE QUALITY ADJUSTMENT
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input PAL 100% Color Bar.
3. Set to following condition:
PICTURE 100%,COLOR 50%, BRIGHTNESS 50%,
HUE Center, SHP 50%.
4. Set the PICT 06 WTS to 00h.
5. Connect an oscilloscope to pin 2 (B OUTPUT) of
CN004 A Board.
6. Set the service mode and select SADJ 04 "SCOL"
with 
1
 and 
4
 of the commander then adjust to
VB2=VB3=VB4 with 
3
 and 
6
 (for PAL), and write in
the data as. Add 2 step to SCOL (PAL)-25", 29". Add 6
step to SCOL (PAL)-34"
7. Copy "SCOL 50 PAL(Video)"data to "SCOL 50
SECAM(Video)"
8. Copy "SCOL 50 PAL(Video)" and "SCOL 50 SECAM
(Video)" data to "SCOL 50 PAL(TV)" and "SCOL 50
SECAM(TV)" table.
9. Input NTSC 75% Color Bar to TV set and repeat item
3-5.
10. Set the service mode and select SADJ 04 "SCOL"
with 
1
 and 
4
 0f the commander then adjust to
VB1=VB4 with 
3
 and 
6
 (for NTSC) and write in data
as add 5 steps to SCOL(NTSC)-25", Add 3 steps to
SCOL(NTSC)-29", Add 6 steps to SCOL(NTSC)-34".
11. Copy "SCOL 60 NTSC(Video)"data to "SCOL 60
NTSC(TV)"
12. Copy "SCOL 50 PAL"data to "SCOL 50 YUV" table
and "SCOL 60 NTSC" data to "SCOL 60 YUV".
13. Set WTS back to original data.
VB2 = VB3 = VB4(For PAL sub color adjustment)
VB1 = VB4(For NTSC sub color adjustment)(Difference is
within 70mV)
SUB HUE ADJUSTMENT
1. Select Video.
2. Input NTSC 3.58 Color Bar to TV set.
3. Set to following condition:
PICTURE 100%,COLOR 50%, BRIGHTNESS 50%,
HUE Center, SHP 50%.
4. Connect an oscilloscope to pin 2 (B output) of
CN004.
5. Set the service mode and select SADJ 01 "SHUE"
with 
1
 and 
4
 of the commander then adjust to
VB1=VB2=VB3=VB4 with 
3
 and 
6
.
6. Then press [MUTING] 
-
 to write the data.
7. Select TV channel with NTSC 3.58 and repeat item 3-6.
8. For single system models with NTSC 4.43 select TV
channel with 4.43 and repeat 3-6.
VB1
VB2
VB3
VB4
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
80mV
The highest level of VB1, VB2, VB3, VB4 must be aligned
at the same time.
The ideal difference between VB2 and VB3 is within
± 80mV.
Sub Hue Adjustment For YUV input
1. Select YUV input.
2. Input NTSC 3.58 Color Bar into YUV mode.
3. Connect an oscilloscope to pin 1 (B output) of CN004.
4. Set the service mode and select YC 13 "TINT" with 
1
and 
4
 of the commander then adjust to
VB1=VB2=VB3=VB4 with 
3
 and 
6
.
5. Then press [MUTING] 
-
 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 
±
80mV.
PMAX/CONTRAST ADJUSTMENT
Picture Mode: Personal
1. Select Video mode.
2. i)Input PAL Color Bar toTV set. (Other)
ii)Input NTSC 75% Color Bar (NTSC model).
3. Set the following condition:
PICTURE 100%, COLOR 0%,BRIGHTNESS 50%
4. Connect oscilloscope to pin 4 (R Output) of CN004,
5. Set to Service Mode PWL PICT 03 to 00h and WHBL
017 BLBG to 01h.
6. Select SADJ 00 "PMAX" with 
1
 and 
4
 of the
commander then adjust VR within spec with 
3
 and 
6
.
7. Copy PMAX data to TV models.
VR
Black
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
80mV
VR
NTSC
1.85±0.03Vpp
1.57±0.03Vpp
1.85±0.003Vpp
34"
29"
25"
PAL
2.20±
0.03Vpp
1.90±
0.03Vpp
2.20±
0.03Vpp
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