Sony KV-21FS105 (serv.man2) Service Manual ▷ View online
TRINITRON
®
COLOR TELEVISION
SERVICE MANUAL
BA-5
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
9-965-958-02
KV-21FS105
RM-Y173
ARGENTINA
KV-21FS105
RM-Y173
BRAZIL
Self Diagnosis
Supported model
KV-21FS105
RM-Y173
☛
3
KV-21FS105
KV-21FS105
TABLE OF CONTENTS
SECTION TITLE
PAGE
SPECIFICATIONS ...................................................................................................................... 4
WARNINGS AND CAUTIONS .................................................................................................... 5
SAFETY CHECK-OUT ............................................................................................................... 6
SELF-DIAGNOSTIC FUNCTION ............................................................................................... 7
WARNINGS AND CAUTIONS .................................................................................................... 5
SAFETY CHECK-OUT ............................................................................................................... 6
SELF-DIAGNOSTIC FUNCTION ............................................................................................... 7
SECTION 1: DISASSEMBLY............................................................................................................. 9
1-1. Rear Cover Removal.......................................................................................................... 9
1-2. Chassis Assembly Removal............................................................................................... 9
1-3. Service Position ................................................................................................................. 9
1-4. Picture Tube Removal...................................................................................................... 10
1-2. Chassis Assembly Removal............................................................................................... 9
1-3. Service Position ................................................................................................................. 9
1-4. Picture Tube Removal...................................................................................................... 10
Anode Cap Removal Procedure....................................................................................... 10
SECTION 2: SET-UP ADJUSTMENTS.............................................................................................11
2-1. Beam Landing ...................................................................................................................11
2-2. Convergence.................................................................................................................... 12
2-3. Focus ............................................................................................................................... 13
2-4. Screen (G2)...................................................................................................................... 13
2-5. Method of Setting the Service Adjustment Mode ............................................................. 14
2-6. White Balance Adjustments ............................................................................................. 14
2-2. Convergence.................................................................................................................... 12
2-3. Focus ............................................................................................................................... 13
2-4. Screen (G2)...................................................................................................................... 13
2-5. Method of Setting the Service Adjustment Mode ............................................................. 14
2-6. White Balance Adjustments ............................................................................................. 14
SECTION 3: SAFETY RELATED ADJUSTMENTS......................................................................... 15
3-1. X R562 Confi rmation Method (Hold-Down Confi rmation) and Readjustments .............. 15
3-2. B+ Voltage Confi rmation and Adjustments....................................................................... 15
3-2. B+ Voltage Confi rmation and Adjustments....................................................................... 15
SECTION 4: CIRCUIT ADJUSTMENTS.......................................................................................... 17
4-1. Setting Service Adjustment Mode .................................................................................... 17
4-2. Memory Write Confi rmation Method ................................................................................ 17
4-3. Remote Adjustment Buttons and Indicators ..................................................................... 17
4-4. Service Data Lists ............................................................................................................ 18
4-5. ID Map Table .................................................................................................................... 19
4-6. MB Board Adjustments..................................................................................................... 20
4-2. Memory Write Confi rmation Method ................................................................................ 17
4-3. Remote Adjustment Buttons and Indicators ..................................................................... 17
4-4. Service Data Lists ............................................................................................................ 18
4-5. ID Map Table .................................................................................................................... 19
4-6. MB Board Adjustments..................................................................................................... 20
SECTION 5: DIAGRAMS................................................................................................................. 23
5-1. Circuit Boards Location .................................................................................................... 23
5-2. Printed Wiring Boards and Schematic Diagrams Information .......................................... 23
5-3. Block Diagrams and Schematics ..................................................................................... 24
5-2. Printed Wiring Boards and Schematic Diagrams Information .......................................... 23
5-3. Block Diagrams and Schematics ..................................................................................... 24
Block Diagrams (1 of 2).................................................................................................... 24
Block Diagrams (2 of 2).................................................................................................... 25
A Board Schematic Diagram ............................................................................................ 26
MB Board Schematic Diagram......................................................................................... 30
CB Board Schematic Diagram ......................................................................................... 33
5-4. Semiconductors ............................................................................................................... 36
SECTION 6: EXPLODED VIEWS .................................................................................................... 37
6-1. Chassis ............................................................................................................................ 37
SECTION 7: ELECTRICAL PARTS LIST....................................................................................... 38
4
KV-21FS105
KV-21FS105
Television system
American TV Standard NTSC, PAL-M, PAL-N
Channel coverage
VHF: 2-13/ UHF: 14-69/ CATV: 1-125
Picture tube
FD Trinitron
®
tube
Visible screen size
20 inch picture measured diagonally
Actual screen size
21 inch measured diagonally
Antenna
75-ohm external antenna terminal for VHF/UHF
Supplied Accessories
Remote Control RM-Y173 (1)
Size AA (R6) batteries (2)
Size AA (R6) batteries (2)
Optional Accessories
Connecting cables: VMC-810S/820S, VMC-720M, YC-15V/30V, RK74A
U/V Mixer EAC-66
U/V Mixer EAC-66
SPECIFICATIONS
Design and specifi cations are subject to change without notice.
1) 1 Vp-p 75 ohms unbalanced, sync negative
2) Y: 1 Vp-p 75 ohms unbalanced, sync negative
C: 0.286 Vp-p (Burst signal), 75 ohms
3) 500
mVrms (100% modulation), Impedance: 47 kilohms
4) More than 408 mVrms at the maximum volume setting (variable)
More than 408 mVrms (fi x)
KV-21FS105
Power requirements 1
10-220V, 50/60Hz
Number of Inputs/Outputs
Video
1)
2
S Video
2)
1
Audio
3)
2
Audio Out
4)
--
Speaker output (W)
5W x 2
Power Consumption (W)
In use (Max)
115W
In Standby
1W
Dimensions(W/H/D)
mm
512x 475 x 493mm
in 20
1/8
x 18
11/16
x 19
7/16
Mass
kg
24.5 kg
lbs
54 lbs
SRS (SOUND RETRIEVAL SYSTEM)
The
SRS (SOUND RETRIEVAL SYSTEM) is manufactured
by Sony Corporation under license from SRS Labs, Inc. It is
covered by U.S. Patent No. 4,748,669. Other U.S. and foreign
patents pending.
covered by U.S. Patent No. 4,748,669. Other U.S. and foreign
patents pending.
The word ‘SRS’ and the SRS symbol
are registered trade-
marks of SRS Labs, Inc. BBE and BBE symbol are trademarks of
BBE Sound, Inc. and are licensed by BBE Sound, Inc. under U.S.
Patent No. 4,638,258 and 4,482,866.
BBE Sound, Inc. and are licensed by BBE Sound, Inc. under U.S.
Patent No. 4,638,258 and 4,482,866.
TruSurround
™
by
SRS
®
TruSurround is a trademark of SRS Labs, Inc. SRS and the SRS
symbol are registered trademarks of SRS Labs, Inc. in the United
States and in select foreign countries. SRS and TruSurround are
incorporated under license from SRS Labs, Inc. and are protected
under United States Patent Nos. 4,748,669 and 4,841,572 with
numerous additional issued and pending foreign patents. Pur-
chase of this product does not convey the right to sell recordings
made with the TruSurround technology.
symbol are registered trademarks of SRS Labs, Inc. in the United
States and in select foreign countries. SRS and TruSurround are
incorporated under license from SRS Labs, Inc. and are protected
under United States Patent Nos. 4,748,669 and 4,841,572 with
numerous additional issued and pending foreign patents. Pur-
chase of this product does not convey the right to sell recordings
made with the TruSurround technology.
5
KV-21FS105
KV-21FS105
WARNINGS AND CAUTIONS
CAUTION
Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield, or carbon painted on the CRT, after
removing the anode.
removing the anode.
WARNING!!
An isolation transformer should be used during any service to avoid possible shock hazard, because of live chassis. The chassis of this
receiver is directly connected to the ac power line.
receiver is directly connected to the ac power line.
!
SAFETY-RELATED COMPONENT WARNING!!
Components identifi ed by shading and ! mark on the schematic diagrams, exploded views, and in the parts list are critical for safe
operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published
by Sony. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures whenever critical
components are replaced or improper operation is suspected.
operation. Replace these components with Sony parts whose part numbers appear as shown in this manual or in supplements published
by Sony. Circuit adjustments that are critical for safe operation are identifi ed in this manual. Follow these procedures whenever critical
components are replaced or improper operation is suspected.
