DOWNLOAD Sony KV-BT21N40 Service Manual ↓ Size: 10.18 MB | Pages: 124 in PDF or view online for FREE

Model
KV-BT21N40
Pages
124
Size
10.18 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-bt21n40.pdf
Date
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– 25 –
KV-BT21N40/BT21N50/BT21N80
RM-W151
RM-W150
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 = not available, 1 = available
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
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
0
0
0
0
0
0
SECAM
1
1
1
1
0
1
1
1
1
Component
1
1
1
AV Multi/
PAM(GA)
1
1
1
D1(JPN)
0
0
0
Color Decording
HDEV
(High Deviation Mode)
0 = disabled, 1 = enabled
NICAM ST
(NICAM Stereo)
0 = disabled, 1 = enabled
NICAM BI
(NICAM Stereo)
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 act
0 = disabled, 1 = enabled
JP/US ST
(JP/US Stereo)
0 = disabled, 1 = enabled
Korean ST
(Korean Stereo)
0 = disabled, 1 = enabled
MONO
(Monaural Model)
0 = Stereo (SSD) Model
1 = Monuaral Model
No. OPB3
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
MONO
0
0
0
Korean ST
0
0
0
JP/US ST
0
0
0
Thai Bilingual
0
0
1
A2 ST
0
0
1
NICAM BI
0
0
1
NICAM ST
0
0
1
HDEV
0
0
0
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
D/K
1
1
1
I
1
1
0
B/G
1
1
1
M
1
1
1
L’
0
1
1
M/N(US)
0
0
0
1
1
1
Speed Search
0
0
0
Composite (SCART)
DEC
79
95
93
DEC
124
116
124
DEC
00
00
120
– 26 –
KV-BT21N40/BT21N50/BT21N80
RM-W151
RM-W150
No. OPB4
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
Text
0
0
0
Top
0
0
0
V-Chip
0
0
0
Surround
0
0
0
Equalizer
1
1
1
VM
0
0
0
1 spk
Models
0
0
0
Firmware/
SMAT
1
1
1
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
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
Wide
1
1
1
IP
1
1
1
IP Plus
1
1
1
Tilt
1
1
0
ASD
0
0
0
Forced 60
0
0
0
No
Surround
0
0
0
Full
Surround
0
0
0
DEC
144
144
144
DEC
15
15
7
– 27 –
KV-BT21N40/BT21N50/BT21N80
RM-W151
RM-W150
No. OPB6
Item
KV-BT21N40
KV-BT21N50
KV-BT21N80
x
x
x
1
1
1
x
x
x
1
1
1
Feature 1
0
0
0
Feature 2
0
0
0
Latin
0
0
0
GA US
1
1
1
OSD Language Selection
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
– 28 –
KV-BT21N40/BT21N50/BT21N80
RM-W151
RM-W150
VR
Black
1.46 
± 0.03 Vp-p = without VM Models
1.65 
± 0.03 Vp-p = with VM Models
VB2 = VB3 = VB4
(Difference is within 70mV)
VB1
VB2 VB3 VB4
VB1
VB2
VB3 VB4
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:
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 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:
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"
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:
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 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.
For single system with NTSC 4.43 select TV channel
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.
NORMAL MODE (50Hz)
1. Set to Service Mode.
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
5. Write into memory by pressing [MUTING] then - on
the remote commander.
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