Sony KV-21FA340L Service Manual ▷ View online
TRINITRON
®
COLOR TELEVISION
SERVICE MANUAL
BA-6
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
CHASSIS NO.
9-883-727-02
KV-21FA340L
RM-Y194 LATIN
NORTH
SCC-S82E-A
KV-29FA340L
RM-Y194 LATIN
NORTH
SCC-S82F-A
Self Diagnosis
Supported model
KV-29FA340L
RM-Y194
KV-21FA340L/29FA340L
KV-21FA340L/29FA340L
3
TABLE OF CONTENTS
SECTION TITLE
PAGE
SECTION TITLE
PAGE
Specifi cations ................................................................................. 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 ................................................................... 10
1-4. Picture Tube Removal
...........................................................11
Anode Cap Removal Procedure ...........................................11
Cable Wire Dressing ............................................................ 12
KV-21FA340L
Models
Only
............................................. 12
KV-29FA340L
Models
Only
............................................. 21
SECTION 2: SET-UP ADJUSTMENTS ................................................ 30
2-1. Beam Landing ...................................................................... 30
2-2. Convergence
........................................................................ 31
2-3. Focus ................................................................................... 32
2-4. Screen (G2)
.......................................................................... 33
SECTION 3: SAFETY RELATED ADJUSTMENTS ............................. 34
3-1. X R529, R530, R531, R577 Confi rmation Method
(HV Hold-Down Confi rmation) and Readjustments .............. 34
3-2. B+ Voltage Confi rmation and Adjustment ............................ 34
SECTION 4: CIRCUIT ADJUSTMENTS .............................................. 35
4-1. Remote Adjustment Buttons and Indicators ......................... 35
4-2. Accessing the Service Adjustment Mode ............................. 35
4-3. Confi rming Service Adjustment Changes ............................. 36
4-4. Service Data Lists ................................................................ 37
KV-21FA340L Only ............................................................... 37
KV-29FA340L Only ............................................................... 48
4-5. ID Map
.................................................................................. 60
KV-21FA340L Only ............................................................... 60
KV-29FA340L Only ............................................................... 60
4-6. White Balance Adjustments ................................................. 61
4-7. A Board Adjustments
............................................................ 61
SECTION 5: DIAGRAMS ..................................................................... 64
5-1. Circuit Boards Location ........................................................ 64
5-2. Printed Wiring Board and Schematic Diagram Information .. 64
5-3. Block Diagrams .................................................................... 65
5-4. Schematics and Supporting Information .............................. 66
A Board Schematic Diagram (1 of 3) .................................... 66
A Board Schematic Diagram (2 of 3) .................................... 67
A Board Schematic Diagram (3 of 3) .................................... 68
CV Board Schematic Diagram ............................................. 70
HD Board Schematic Diagram ............................................. 71
K3 Board Schematic Diagram .............................................. 73
5-5. Semiconductors ................................................................... 76
SECTION 6: EXPLODED VIEWS ........................................................ 77
6-1. Chassis ................................................................................ 77
6-2. Picture Tube ......................................................................... 78
SECTION 7: ELECTRICAL PARTS LIST ........................................... 79
KV-21FA340L/29FA340L
KV-21FA340L/29FA340L
4
SPECIFICATIONS
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
Design and specifi cations are subject to change without notice.
Fabricado bajo licencia de SRS Labs, Inc. WOW y los
símbolos SRS son marcas registradas de SRS Labs,
Inc.
símbolos SRS son marcas registradas de SRS Labs,
Inc.
Bajo licencia de BBE Sound, Inc. Licenciado de BBE
Sound, Inc. sobre el número USP4638258, 5510752 Y
5736897. BBE y el símbolo son marcas registradas de
BBE Sound, Inc.
Sound, Inc. sobre el número USP4638258, 5510752 Y
5736897. BBE y el símbolo son marcas registradas de
BBE Sound, Inc.
Sony, FD Trinitron, WEGA, ClearEdge VM, Intelligent
Picture y Dynamic Bass Response System son marcas
comerciales de Sony.
Picture y Dynamic Bass Response System son marcas
comerciales de Sony.
En calidad de compañía asociada a ENERGY
STAR
®
, Corporación Sony ha determinado que
este producto cumple con las directrices de uso
eficiente de energía de ENERGY STAR
®
.
ENERGY STAR
®
es una marca registrada de
EEUU.
///
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Television system
American TV standard, NTSC
Channel coverage
VHF: 2-13/ UHF: 14-69/ CATV: 1-125
Antenna
75-ohm external antenna terminal for VHF/UHF
Picture tube
FD Trinitron
®
tube
Visible screen size
20-inch picture measured diagonally (KV-21FA340L Only)
27-inch picture measured diagonally (KV-29FA340L Only)
27-inch picture measured diagonally (KV-29FA340L Only)
Actual screen size
21-inch measured diagonally (KV-21FA340L Only)
29-inch measured diagonally (KV-29FA340L Only)
29-inch measured diagonally (KV-29FA340L Only)
Supplied Accessories
Remote Commander RM-Y194
Two Size AA (R6) Batteries
Telescopic Antenna (KV-21FA340L Only)
Two Size AA (R6) Batteries
Telescopic Antenna (KV-21FA340L Only)
Optional Accessories
Connection Cables
VMC-810S/820S
VMC-720M
YC-YC-15V/30V
RK74FA
VMC-810S/820S
VMC-720M
YC-YC-15V/30V
RK74FA
KV-21FA340L/29FA340L
KV-21FA340L/29FA340L
5
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.
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.
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.