Read Sony KV-32HS20 Service Manual online
TRINITRON
®
COLOR TELEVISION
SERVICE MANUAL
DX-1A
CHASSIS
MODEL NAME
REMOTE COMMANDER
DESTINATION
CHASSIS NO.
KV-32HS20
RM-Y183 US
SCC-S47F-A
KV-36HS20
RM-Y183 US SCC-S47E-A
KV-36HS20H
RM-Y183 HAWAII SCC-S54C-A
KV-32XBR450
RM-Y184
US
SCC-S47D-A
KV-32XBR450
RM-Y184
CND
SCC-S48D-A
KV-36XBR450
RM-Y184
US
SCC-S47C-A
KV-36XBR450
RM-Y184
CND
SCC-S48C-A
KV-36XBR450H
RM-Y184
HAWAII
SCC-S54B-A
Self Diagnosis
Supported model
9-965-898-01
KV-32XBR450
RM-Y184
— 2 —
KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
TABLE OF CONTENTS
Specifi
cations ................................................................................. 3
Warnings and Cautions .................................................................. 4
Safety
Check-out ............................................................................ 5
Self-Diagnostic
Function................................................................. 6
1. Disassembly
1-1. Rear Cover Removal .............................................................. 8
1-2.
Chassis
Assembly
Removal................................................... 8
1-3.
Service
Position ..................................................................... 8
1-4.
Picture
Tube
Removal ............................................................ 9
Anode Cap Removal Procedure ..................................................... 9
2. Set-up Adjustments
2-1.
Beam
Landing ...................................................................... 10
2-2.
V-Pin
and
V-Cen
Adjustment ................................................ 11
2-3.
Convergence ........................................................................ 11
2-3.1. Vertical and Horizontal Static Convergence ............. 11
2-3.2. Operation of BMC (Hexapole) Magnet ..................... 11
2-3.3.
TLH
Plate
Adjustment .............................................. 11
2-3.4. Screen Corner Convergence ................................... 12
2-3.5.
Dynamic
Convergence
Adjustment .......................... 12
2-4.
Focus
Adjustment................................................................. 12
2-5.
Screen
(G2).......................................................................... 12
2-6.
Picture
Quality
Adjustments ................................................. 13
2-6.1. Video Input - Two Picture Sub Contrast
Adjustment ............................................................... 13
2-6.2. Video Input - Sub Hue/Sub Color Adjustment.......... 13
2-6.3. RF Input - Two Picture Sub Contrast Adjustment ..... 14
2-6.4. RF Input - Sub Hue/Sub Color Adjustment .............. 14
2-7. White Balance (CRT) and Sub Bright Adjustment ............... 15
2-8.
Raster
Center
Adjustment.................................................... 15
2-9.
Picture
Distortion
Adjustments............................................. 15
2-9.1. NTSC (DRC) Full Mode Adjustment ........................ 15
2-9.2. 1080i HD Mode Adjustment ..................................... 16
2-9.3. Vertical Compresses Mode Check and
Confi rmation............................................................. 16
SECTION TITLE
PAGE
3. Safety Related Adjustments
3-1. RV8001, 8002, 8003 Confi rmation Method and
HV
Service
Adjustments ...................................................... 17
3-2. B+ Max Confi rmation ........................................................... 17
3-3. HV Service Flowchart .......................................................... 17
4. Circuit Adjustments
4-1. Setting the Service Adjustment Mode .................................. 18
4-1.1 Resetting the Data ................................................... 18
4-2.
Memory
Write
Confi rmation Method .................................... 18
4-3.
Remote
Adjustment
Buttons
and
Indicators......................... 18
5. Diagrams
5-1.
Circuit
Board
Location.......................................................... 48
5-2. Printed Wiring Boards and Schematic Diagrams ................. 48
5-3.
Diagrams
Block
Diagram ...................................................................... 49
A
Board ................................................................................ 53
B
Board ................................................................................ 61
BC
Board.............................................................................. 71
C
Board ................................................................................ 73
D
Board ................................................................................ 75
HA
Board.............................................................................. 83
HB
Board.............................................................................. 84
S
Board ................................................................................ 85
U
Board ................................................................................ 86
W
Board ............................................................................... 88
5-4.
Semiconductors ................................................................... 90
6. Exploded Views
6-1.
Chassis
................................................................................. 92
6-2.
Picture
Tube
(KV-32HS20/32XBR450
ONLY) ........................ 93
6-3. Picture Tube (ALL EXCEPT KV-32HS20/32XBR450) .......... 94
7. Electrical Parts List ......................................................................... 95
SECTION TITLE
PAGE
— 3 —
KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
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 coun-
tries. SRS and TruSurround are
SRS Labs, Inc. SRS and the SRS
symbol are registered trademarks
of SRS Labs, Inc. in the United
States and in select foreign coun-
tries. 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.
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.
Television system
American TV standard, NTSC
Channel coverage
VHF: 2-13/ VHF: 14-69/ CATV: 1-125
Picture tube
FD Trinitron
®
tube
Visible screen size
32-inch picture measured diagonally (KV-32HS20/32XBR450 ONLY)
36-inch picture measured diagonally (All Except KV-32HS20/32XBR450)
36-inch picture measured diagonally (All Except KV-32HS20/32XBR450)
Actual screen size
34-inch measured diagonally (KV-32HS20/32XBR450 ONLY)
38-inch measured diagonally (All Except KV-32HS20/32XBR450)
38-inch measured diagonally (All Except KV-32HS20/32XBR450)
Antenna
75 ohm external terminal for VHF/UHF
Supplied Accessories
Remote Commander RM-Y183 (KV-32HS20/36HS20/36HS20H ONLY)
Remote Commander RM-Y184 (KV-32XBR450/36XBR450/36XBR450H ONLY)
Two Size AA (R6) Batteries
Remote Commander RM-Y184 (KV-32XBR450/36XBR450/36XBR450H ONLY)
Two Size AA (R6) Batteries
Optional Assessories
Connecting cables: RK-74A, VMC-810S/820/830HGS, VMC-720M,
VMC-810S/820S, YC-15V/30V, YC-15/30HG, RKG69HG, RKC-515HG
U/V mixer: EAC-66
TV Stand: SU-32HS2 (KV-32HS20 ONLY)
SU-36HS2
VMC-810S/820S, YC-15V/30V, YC-15/30HG, RKG69HG, RKC-515HG
U/V mixer: EAC-66
TV Stand: SU-32HS2 (KV-32HS20 ONLY)
SU-36HS2
(KV-36HS20/36HS20H
ONLY)
SU-32XBR45
(KV-32XBR450
ONLY)
SU-36XBR45
(KV-36XBR450/36XBR450H
ONLY)
SPECIFICATIONS
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.
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.
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) 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 (fi x)
KV-36HS20
KV-36HS20H
KV-32HS20
KV-36XBR450
KV-32XBR450
KV-36XBR450H
120V,
60Hz
4
3
2
6
2
1
YES
7.5W
7.5W
x
4
245W
2W
898 x 678 x 579.5 mm
994 x 754.5 x 622 mm
35
3/8
x 26
3/4
x 27
7/8
in 39
9/64
x 29
45/64
x 24
1/2
in
84 kg
108 kg
185 lbs.
238 lbs.
Power Requirements
Number of Inputs/Outputs
Video
Video
1)
S
Video
2)
Y,
PB,
PR
3)
Audio
4)
Audio
Out
5)
Monitor
Out
Control-S
(in/out)
Speaker Output (W)
Power Consumption (W)
In Use (Max)
In
Standby
Dimensions (W x H x D)
mm
in
mm
in
Mass
kg
lbs
kg
lbs
TruSurround
™
by
SRS
®
— 4 —
KV-32HS20/36HS20/36HS20H/32XBR450/36XBR450/36XBR450H
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.
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.
ATTENTION!!
Apres avoir deconnecte le cap de l’anode, court-circuiter l’anode du tube cathodique et celui de l’anode du cap au chassis metallique
de l’appareil, ou la couche de carbone peinte sur le tube cathodique ou au blindage du tube cathodique.
de l’appareil, ou la couche de carbone peinte sur le tube cathodique ou au blindage du tube cathodique.
Afi n d’eviter tout risque d’electrocution provenant d’un chássis sous tension, un transformateur d’isolement doit etre utilisé lors de tout
dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.
dépannage. Le chássis de ce récepteur est directement raccordé à l’alimentation du secteur.
!
ATTENTION AUX COMPOSANTS RELATIFS A LA SECURITE!!
Les composants identifi es par une trame et par une marque ! sur les schemas de principe, les vues explosees et les listes de
pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants sony dont
le numero de piece est indique dans le present manuel ou dans des supplements publies par sony. Les reglages de circuit dont
l’importance est critique pour la securite du fonctionnement sont identifi es dans le present manuel. Suivre ces procedures lors de
chaque remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.
pieces sont d’une importance critique pour la securite du fonctionnement. Ne les remplacer que par des composants sony dont
le numero de piece est indique dans le present manuel ou dans des supplements publies par sony. Les reglages de circuit dont
l’importance est critique pour la securite du fonctionnement sont identifi es dans le present manuel. Suivre ces procedures lors de
chaque remplacement de composants critiques, ou lorsqu’un mauvais fonctionnement suspecte.