KV-21FA210 (serv.man2) — Sony TV Service Manual (repair manual)

Model
KV-21FA210 (serv.man2)
Pages
100
Size
7.97 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-21fa210-sm2.pdf
Date

View Sony KV-21FA210 (serv.man2) Service Manual online

  SERVICE MANUAL 
BA-6
 
CHASSIS
TRINITRON
®
 COLOR TELEVISION
       MODEL NAME 
REMOTE COMMANDER 
DESTINATION  
CHASSIS NO. 
9-965-938-04
KV-21FA210
 
RM-Y180 
LATIN NORTH 
SCC-S60P-A
KV-21FA210
 
RM-Y180 
LATIN SOUTH 
SCC-S60Q-A
Self Diagnosis
Supported model
KV-21FA210
RM-Y180
— 3 —
KV-21FA210
TABLE OF CONTENTS
SECTION TITLE   
PAGE
Specifications ............................................................................................................................................................................. 4
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
 
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)...................................................................................................................................................................... 14
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 R565 Confirmation Method (HV Hold-Down Confirmation) and Readjustments ........................................................ 15
3-2.  B+ Voltage Confirmation and Adjustment ........................................................................................................................ 15
SECTION 4:  CIRCUIT ADJUSTMENTS.......................................................................................................................................... 17
4-1.  Setting the Service Adjustment Mode .............................................................................................................................. 17
4-2.  Memory Write Confirmation Method ................................................................................................................................ 17
4-3.  Remote Adjustment Buttons and IndicatorS .................................................................................................................... 17
4-4.  ID Map Table.................................................................................................................................................................... 26
4-5.  A Board Adjustments........................................................................................................................................................ 26
SECTION 5:  DIAGRAMS................................................................................................................................................................. 29
5-1.  Circuit Boards Location.................................................................................................................................................... 29
5-2.  Printed Wiring Board and Schematic Diagram Information.............................................................................................. 29
5.3  Block Diagram and Schematics ....................................................................................................................................... 30
A Board Schematic Diagram............................................................................................................................................ 31
M3 Board Schematic Diagram ......................................................................................................................................... 36
HR Board Schematic Diagram......................................................................................................................................... 38
CV Board Schematic Diagram ......................................................................................................................................... 39
K Board Schematic Diagram............................................................................................................................................ 41
KB Board Schematic Diagram ......................................................................................................................................... 41
5-4.  Semiconductors ............................................................................................................................................................... 42
SECTION 6:  EXPLODED VIEWS.................................................................................................................................................... 43
6-1.  Picture Tube..................................................................................................................................................................... 43
6-2.  Chassis ............................................................................................................................................................................ 44
SECTION 7:  ELECTRICAL PARTS LIST........................................................................................................................................ 45
— 4 —
KV-21FA210
SPECIFICATIONS
Design and specifications 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)  Y: 1.0 Vp-p, 75 ohms, sync negative; PB: 0.7 Vp-p, 75 ohms; 
  PR Vp-p, 75 ohms.
4)  500 mVrms (100% modulation), Impedance: 47 kilohms
5)   More than 408 mVrms at the maximum volume setting (variable)
  More than 408 mVrms (fix); Impedance (output): 2 kilohms
Television system
American TV Standard, NTSC 
Channel coverage
VHF: 2-13/ UHF: 14-69/ CATV: 1-125
Picture tube
FD Trinitron
®
 tube
Antenna
 
75 ohm external terminal for VHF/UHF
Supplied Accessories
 
Remote Commander: 
 
  RM-Y180
 
Size AA (R6) batteries (2)
 
Antenna, Telescopic
 
Visible screen size
20 inch picture measured diagonally
Actual screen size
21 inch measured diagonally
(
) 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. 
The word ‘SRS’ and the SRS symbol (
) are registered trademarks 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. 
KV-21FA210
Power requirements (Latin North)
120V, 60Hz
Power requirements (Latin South)
220V, 50/60Hz
Number of Inputs/Outputs
Video
1)
2
S Video 
2)
1
Y, P
B
, P
R
 3)
1
Audio
4)
2
Speaker output (W)
6 W x 2
External Subwoofer
14W
Headphones
 5)
1
Power Consumption (W)
In use (Max) (Latin North)
145W
In use (Max) (Latin South)
140W
In Standby
1W
Dimensions(W/H/D)
mm 609 x 488 x 503 mm
in
24 x 19
1/4
 x 20
Mass
kg
29 kg
lbs
63 lbs. 9 oz.
— 5 —
KV-21FA210
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.
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.
!
 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. 
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Here you can view online or download Sony KV-21FA210 (serv.man2) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony KV-21FA210 (serv.man2) TV. Information contained in Sony KV-21FA210 (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).