Sony KV-21FA350 Service Manual ▷ View online
25
KV-21FA350/21FA550
KV-21FA350/21FA550
TVJ
Function
Category
No.
Name
SDSP
000
BBL
BBE Contour
00
001
BBH
BBE Process
00
002
BBLW
BBE Contour Offset
06
003
SVOF
Surround /Effect Mode Volume Offset
04
11
04
004
LAD
Decoder Level Adjust
05
005
LAM
Mono Level Adjust
05
006
LAN
Nicam Level Adjust
22
007
LAS
SAP Level Adjust
05
008
LAA
ADC Level Adjust
00
00
009
SEF
Incredible Mono/Stereo Effect
010
BAS
Main Bass Offset
19
011
TRE
Main Treble Offset
19
012
EQ1
Equalizer Main Channel Band (100 Hz) Offset
18
013
EQ2
Equalizer Main Channel Band (300 Hz) Offset
18
014
EQ3
Equalizer Main Channel Band (1000 Hz) Offset
17
015
EQ4
Equalizer Main Channel Band (3000 Hz) Offset
19
016
EQ5
Equalizer Main Channel Band (8000 Hz) Offset
21
017
BFCT
DBE, DUB and BBE Control
00
018
SCEN
SRS3D Center Control
04
019
SSPA
SRS3D Space Control
01
020
BBHW
BBE process offset in WOW mode
00
021
STRE
Treble Offset for surround mode
01
022
BBHT
BBE Offset in TV mode
00
023
TTRE
Treble Offset in TV Mode
02
024
VBAS
Bass Offset depend on user volume
01
025
VTRE
Treble Offset depend on user volume
01
026
TBAS
Bass Offset for TV
00
027
BBLO
BBL Offset depend on User Volume
3
028
BBHO
BBH Offset Depend on Use Volume
3
TV
Video
Functionality
Common
Initial Value
SRS/WOW
Off
Trusurround
26
KV-21FA350/21FA550
KV-21FA350/21FA550
TVJ
Function
Category
No.
Name
SDSP
000
BBL
BBE Contour
001
BBH
BBE Process
002
BBLW
BBE Contour Offset
003
SVOF
Surround /Effect Mode Volume Offset
*
04
004
LAD
Decoder Level Adjust
005
LAM
Mono Level Adjust
006
LAN
Nicam Level Adjust
007
LAS
SAP Level Adjust
008
LAA
ADC Level Adjust
009
SEF
Incredible Mono/Stereo Effect
05
03
010
BAS
Main Bass Offset
011
TRE
Main Treble Offset
012
EQ1
Equalizer Main Channel Band (100 Hz) Offset
013
EQ2
Equalizer Main Channel Band (300 Hz) Offset
014
EQ3
Equalizer Main Channel Band (1000 Hz) Offset
015
EQ4
Equalizer Main Channel Band (3000 Hz) Offset
016
EQ5
Equalizer Main Channel Band (8000 Hz) Offset
017
BFCT
DBE, DUB and BBE Control
018
SCEN
SRS3D Center Control
019
SSPA
SRS3D Space Control
020
BBHW
BBE process offset in WOW mode
021
STRE
Treble Offset for surround mode
022
BBHT
BBE Offset in TV mode
023
TTRE
Treble Offset in TV Mode
024
VBAS
Bass Offset depend on user volume
025
VTRE
Treble Offset depend on user volume
026
TBAS
Bass Offset for TV
027
BBLO
BBL Offset depend on User Volume
028
BBHO
BBH Offset Depend on Use Volume
Imono
Istereo
Functionality
Initial Value
TVJ
Function
Category
No.
Name
SDEC
000
SPTU
Upper Threshold forSAP carrier detection
05
001
SPTL
Lower Threshold for SAP carrier detection
15
002
SPTH
Noise Threshold for automute of SAP
09
003
SPHY Hysteresis size for automute of SAP
03
004
FMTH Noise Threshold for automute of SC2 in FM A2 standard
00
005
FMHY Hysteresis size for automute of SC2 in FM A2 standard
04
006
NILE
NICAM lower error limit (DDEP)
50
007
NIUE
NICAM upper error limit (DDEP)
200
008
EPMD DEMDEC Easy Programming (DDEP)
01
009
STDS
Bits multiplexed for ASD and SSS modes
13
010
OVMA FM overmodulation adaption
00
011
FLBW FM/AM demodulator filter bandwidth
01
012
IDMD
FM ident speed in SSS mode
01
013
OVMT Overmodulation level threshold relative to nominal
03
014
DCXI
NICAM DCXO Scaling Control Inverter
00
015
DCXG NICAM DCXO Scaling Control Gain
00
016
DCLL
NICAM DCXO Scaling Control Limit (L)
00
017
DCLH NICAM DCXO Scaling Control Limit (H)
00
Functionality
Common
Initial Value
27
KV-21FA350/21FA550
KV-21FA350/21FA550
TVJ
Function
Category
No.
Name
OPTM
000
ASHT
auto shut off timer (data * 5 min)
06
001
OSDB
OSD brightness
12
002
OSDH
OSD Horizontal Position
08
003
OSDV
OSD Vertical Position
63
39
004
MUTE
No Signal Mute Switch (1 = enabled)
01
005
RFUL
RF Signal Change Counter after Unlocked (Disable when 0fh)
01
006
RFLK
RF Signal Change Counter after Locked (Disable when 0fh)
04
007
LANG
OSD language shipping condition
01
008
HTXT
sync separator sw
00
00
009
CMSS
Sync sw
01
010
DCXO
DCXO Value
47
011
DISC
target DISCO data for DCXO adjust by color dec
128
012
EXBL
Extended Blanking Timer to Eliminate White Noise.
06
013
TSYS
Memorize TV Sys in NVM at Test Reset [0:B/G, 1:I, 2:D/K, 3:M] (GA Model)
03
014
LNSW
Signal Booster Shipping/Test Reset condition (1: Auto, 0:Off)
00
015
AVUL
AV Signal Change Counter after Unlocked (Disable when 0Fh)
04
016
AVLK
AV Signal Change Counter after Locked (Disable when 0Fh)
00
017
SENH
Sound Enhancer Crackling sound c/m (0:Off, 1:On)
01
018
SPSC
SPEED search (0: disable, 1:4times, 2:6times, 3:8times)
01
019
MULO
Audio Mute Port Logic Selection (0:Active High, 1:Active Low)
01
Others
Functionality
Common
Initial Value
(4:3) 50
(4:3) 60
YUV
TVJ
Function
Initial Value
Category
No.
Name
OPUS
000
SOFF
stay off (0: follow last memory with AC on, 1: standby with AC on)
01
001
SPCH
Channel Number after Shipping Condition
6
002
SPCA
Cable Selection after Shipping Condition (1 = Cable On)
01
003
CCBR
CC Brightness (only for US)
20
004
CCHP
CC H position (only for US)
13
005
OUV
Offset Control on UV Input Signals (only for NTSC model)
006
CFA2
Forced Comb Filter On (only for NTSC model)
00
007
HSYC
H Sync Selection for Tuning (SL, LOCK or SID) only for US
01
Functionality
Common
TVJ
Function
Category
No.
Name
OPFM
000
FMCT
FM Radio Auto Scan Carrier Threshold
20
001
RPST
Waiting time for each frequency step during radio preset
10
002
MPTU
Upper Threshold for MPX pilot detection (FM_RADIO)
12
003
DCOU
Upper threshold for DC offset from FM demodulator
140
004
DCOL
Lower threshold for DC offset from FM demodulator
114
005
OVMA
FM overmodulation adaption (FM_RADIO)
00
006
FMBR
OSD Brightness during FM Mode
12
007
RTRE
Treble Offset in FM Radio Mode
03
008
RBAS
Bass Offset in FM Radio Mode
02
009
AGCT
ACG takeover in FM Radio Mode
32
010
FLBW
FM/AM demodulator filter bandwidth
01
011
STDS
Selectable IF 0:STDSEL(17) 50us deemphasis 1: STDSEL(18) 75us deemph
01
Functionality
Common
Initial Value
KV-21FA350 ONLY
TVJ
Function
Category
No.
Name
OPTB
001
OPB1
Option 1 (System related)
40
002
OPB2
Option 2 (Video Signal related)
105
003
OPB3
Option 3 (Stereo Decoding related)
4
004
OPB4
Option 4 (Miscellaneous)
24
005
OPB5
Option 5 (Miscellaneous)
3
006
OPB6
Option 6 (OSD Language related)
1
KV-21FA550 ONLY
TVJ
Function
Category
No.
Name
OPTB
001
OPB1
Option 1 (System related)
10
002
OPB2
Option 2 (Video Signal related)
105
003
OPB3
Option 3 (Stereo Decoding related)
4
004
OPB4
Option 4 (Miscellaneous)
28
005
OPB5
Option 5 (Miscellaneous)
3
006
OPB6
Option 6 (OSD Language related)
1
Functionality
Common
Initial Value
Common
Functionality
Initial Value
KV-21FA350/21FA550
KV-21FA350/21FA550
28
4-1. CIRCUIT BOARDS LOCATION
SECTION 4: DIAGRAMS
4-2. PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM INFORMATION
All capacitors are in μF unless otherwise noted. pF : μμF 50WV or less
are not indicated except for electrolytics and tantalums.
are not indicated except for electrolytics and tantalums.
All electrolytics are in 50V unless otherwise specifi ed.
All resistors are in ohms. k=1000, M=1000k
Indication of resistance, which does not have one for rating electrical
power, is as follows: Pitch : 5mm Rating electrical power :
power, is as follows: Pitch : 5mm Rating electrical power :
1
/
4
W in resistance,
1
/
10
W and
1
/
8
W in chip resistance.
: nonfl ammable resistor.
: fusible resistor.
: internal component.
: panel designation and adjustment for repair.
: earth ground
: earth-chassis
All variable and adjustable resistors have characteristic curve B, unless
otherwise noted.
otherwise noted.
Readings are taken with a color-bar signal input.
Readings are taken with a 10M digital multimeter.
Voltages are DC with respect to ground unless otherwise noted.
Voltage variations may be noted due to normal production tolerances.
REFERENCE INFORMATION
RESISTOR
: RN
: RN
METAL FILM
: RC
SOLID
: FPRD NONFLAMMABLE CARBON
: FUSE NONFLAMMABLE FUSIBLE
: RW
: FUSE NONFLAMMABLE FUSIBLE
: RW
NONFLAMMABLE WIREWOUND
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: ADJUSTMENT
RESISTOR
COIL
: LF-8L MICRO INDUCTOR
: LF-8L MICRO INDUCTOR
CAPACITOR
: TA
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
The components identifi ed by shading and
!
symbol are critical for
safety. Replace only with part number specifi ed.
The symbol
indicates a fast operating fuse and is displayed on
the component side of the board. Replace only with fuse of the same
rating as marked.
rating as marked.
CV Board
J4 Board
W Board
H2 Board
A Board
All voltages are in V.
S : Measurement impossibillity.
: B+line.
: B-line.
(Actual measured value may be different).
: signal path. (RF)
Circled numbers are waveform references.
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