DOWNLOAD Sony KV-27HS420 Service Manual ↓ Size: 12.87 MB | Pages: 127 in PDF or view online for FREE

Model
KV-27HS420
Pages
127
Size
12.87 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-27hs420.pdf
Date
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TRINITRON
®
 COLOR TELEVISION
 SERVICE MANUAL 
DA-4
 
CHASSIS
 
MODEL NAME 
REMOTE COMMANDER 
DESTINATION  
CHASSIS NO.
9-965-963-04
KV-27HS420
 RM-Y197 
US 
SCC-S66P-A
KV-27HS420
 RM-Y197 
CANADA  SCC-S70N-A
KV-29DRC420
 RM-Y197 
LATIN 
NORTH  SCC-S71L-A
KV-29DRC420
 RM-Y197 
LATIN 
SOUTH  SCC-S71M-A
KV-30HS420
 RM-Y197 
US 
SCC-S66Q-A
KV-30HS420
 RM-Y197 
CANADA  SCC-S70P-A
KV-30HS420
 RM-Y197 
HAWAII 
SCC-S69H-A
KV-32HS420
 RM-Y197 
US 
SCC-S66R-A
KV-32HS420
 RM-Y197 
CANADA  SCC-S70Q-A
KV-34HS420
 RM-Y197 
US 
SCC-S66S-A
KV-34HS420
 RM-Y197 
CANADA  SCC-S70R-A
KV-36HS420
 RM-Y197 
US 
SCC-S66T-A
KV-36HS420
 RM-Y197 
CANADA  SCC-S70S-A
KV-36HS420
 RM-Y197 
HAWAII 
SCC-S69J-A
 
This manual is for units starting with the following S/N’s:
 
For KV-27HS420/29DRC420/30HS420/32HS420 - S/N 8,000,001 and Up
 
For KV-34HS420 - S/N 8,000,001 to 9,500,000
 
For KV-36HS420 - S/N 9,000,001 and Up
Self Diagnosis
Supported model
KV-30HS420
RM-Y197
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
 3 
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
TABLE OF CONTENTS 
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
Specifications ................................................................................. 4
Warnings and Cautions .................................................................. 6
Safety Check-Out ........................................................................... 7
Self-Diagnostic Function................................................................. 8
SECTION 1:  DISASSEMBLY................................................................11
1-1.  Rear Cover Removal.............................................................11
1-2.  Chassis Assembly Removal..................................................11
1-3.  Service Position ....................................................................11
1-4.  Picture Tube Removal.......................................................... 12
 
Anode Cap Removal Procedure........................................... 12
 
Cable Wire Dressing ............................................................ 13
SECTION 2:  SET-UP ADJUSTMENTS................................................ 22
2-1.  Beam Landing...................................................................... 22
2-2.  V-PIN and V-CEN Adjustment.............................................. 23
2-3.  Convergence........................................................................ 23
2-3.1.  Vertical and Horizontal Static Convergence ............ 23
2-3.2.  Operation of BMC (Hexapole) Magnet .................... 23
2-3.3.  TLH Plate Adjustment.............................................. 23
2-3.4.  Screen-Corner Convergence................................... 24
2-3.5.  Dynamic Convergence Adjustments........................ 24
2-4.  Focus Adjustment................................................................. 25
2-4.1.  Dynamic Focus/Dynamic Quadra-Pole Data........... 25
2-5.  Screen (G2).......................................................................... 26
2-6.  Picture Quality Adjustments ................................................. 26
2-6.1.  Video Input - Sub Contrast Adjustment.................... 26
2-6.2.  Video Input - Sub Hue/Sub Color Adjustment.......... 27
2-6.3.  RF Input - Sub Contrast Adjustment........................ 27
2-6.4.  RF Input - Sub Hue/Sub Color Adjustment.............. 28
2-7.  White Balance (CRT) and Sub Bright Adjustment................ 28
2-7.1.  Color Offset Adjustment Procedure ......................... 28
2-8.  H Raster Center Adjustment ................................................ 29
2-9.  Picture Distortion Adjustments ............................................. 29
2-9.1.  NTSC (DRC) Full Mode Adjustment ........................ 29
2-9.2.  1080i HD Mode Adjustment..................................... 30
2-9.3.  Vertical Compressed Mode Check and Confirmation 
(For 4x3 CRT Only) ................................................. 30
2-9.4  Normal, Zoom and Wide Zoom modes...................... 30
SECTION 3:  SAFETY RELATED ADJUSTMENTS............................. 31
3-1.  Preparation Before Confirmation.......................................... 31
3-1.1  Hold-Down Operation Confirmation......................... 31
3-2.  B+ Max Confirmation ........................................................... 31
3-3.  B+ Voltage Check ................................................................ 31
3-4.  High Voltage (HV) Check ..................................................... 31
3-5.  Preparation for HV and Ik Protector Check.......................... 31
3-6.  HV Protector Check ............................................................. 31
3-6-1.  Cut Off Condition ..................................................... 31
3-6-2.  High Light Condition ................................................ 32
3-7.  Ik Protector Check................................................................ 32
3-8.  Hold Down Check ................................................................ 32
3-9.  Restoration........................................................................... 32
3-10. HV Service Flowchart........................................................... 33
HV Service Flowchart Table................................................. 34
SECTION 4:  CIRCUIT ADJUSTMENTS.............................................. 35
4-1.  Setting Service Adjustment Mode ........................................ 35
4-1.1.  Service Adjustment Mode In.................................... 35
4-1.2.  Service Adjustment Mode Memory.......................... 35
4-1.3.  Reading the Memory ............................................... 35
4-1.4.  Adjusting the Picture................................................ 35
4-1.5.  Resetting the Data................................................... 35
4-1.6.  Resetting the MID NVM Data .................................. 35
4-1.7.  Resetting the System NVM Data............................. 35
4-1.8.  Copy Function.......................................................... 35
4-2.  Memory Write Confirmation Method .................................... 36
4-3.  Remote Adjustment Buttons and Indicators......................... 36
4-4.  Service Data......................................................................... 37
4-5.  ID Map Table........................................................................ 60
SECTION 5:  DIAGRAMS..................................................................... 61
5-1.  Circuit Boards Location........................................................ 61
5-2.  Printed Wiring Boards and 
Schematic Diagrams Information......................................... 61
5-3.  Block Diagrams.................................................................... 62
5-4.  Schematics and Supporting Information .............................. 65
DZ Board Schematic Diagram (1 of 2)................................. 65
DZ Board Schematic Diagram (2 of 2)................................. 66
UY Board Schematic Diagram ............................................. 69
HBY Board Schematic Diagram........................................... 70
AY Board Schematic Diagram (1 of 2) ................................. 73
AY Board Schematic Diagram (2 of 2) ................................. 74
HCX Board Schematic Diagram........................................... 77
CH Board Schematic Diagram............................................. 79
HAX Board Schematic Diagram .......................................... 81
WY Board Schematic Diagram ............................................ 82
BY Board Schematic Diagram (1 of 4)................................. 84
BY Board Schematic Diagram (2 of 4)................................. 85
BY Board Schematic Diagram (3 of 4)................................. 86
BY Board Schematic Diagram (4 of 4)................................. 87
MY Board Schematic Diagram (1 of 4) ................................ 88
MY Board Schematic Diagram (2 of 4) ................................ 89
MY Board Schematic Diagram (3 of 4) ................................ 90
MY Board Schematic Diagram (4 of 4) ................................ 91
P Board Schematic Diagram ............................................... 94
PA Board Schematic Diagram ............................................. 95
5-5.  Semiconductors (1 of 2)....................................................... 96
 
Semiconductors (2 of 2)....................................................... 97
SECTION 6:  EXPLODED VIEWS........................................................ 98
6-1.  Chassis (KV-27HS420/29DRC420) ..................................... 98
6-2.  Picture Tube (KV-27HS420/29DRC420).............................. 99
6-3.  Chassis (KV-30HS420/34HS420) ...................................... 100
6-4.  Picture Tube (KV-30HS420/34HS420)............................... 101
6-5.  Chassis (KV-32HS420/36HS420) ...................................... 102
6-6.  Picture Tube (KV-32HS420/36HS420)............................... 103
SECTION  7:  ELECTRICAL PARTS LIST......................................... 104
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
 4 
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
SPECIFICATIONS
Design and specifi cations are subject to change without notice.
 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 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.
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.
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 unbalanced, sync negative; 
 
P
B
: 0.7 Vp-p, 75 ohms
 
P
R
: 0.7 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); Impedance (output): 2 kilohms
KV-29DRC420
KV-27HS420
KV-30HS420
KV-32HS420
Power
Requirements
220V,
50-60Hz
Number
ofInputs/Outputs
Video
1)
4
S
Video
2)
3
Y,PB,
PR
3)
2
Audio
4)
7
Audio
Out
5)
1
Monitor
Out
1
Control-S
(In/Out)
YES
Memory
Stick
NO
Speaker
Output(W)
10W
x2
10W
x2
10W
x2
10W
x2
Power
Consumption(W)
In
Use(Max)
240W
In
Standby
1W
Dimensions
(WxHxD)
mm 784
x601.5x520mm 784x601.5x520mm
898
x604x564.5mm
898
x698x598mm
in 30
7/8
x23
5/8
x20
1/2
in 30
7/8
x23
5/8
x20
1/2
in 35
3/8
x23
3/4
x22
1/4
in
35
3/8
x27
1/2
x23
1/2
in
Mass
kg
50.2
kg
50.2
kg
68
kg
74.8
kg
lbs
111
lbs
111
lbs
150
lbs
165
lbs
KV-34HS420
KV-36HS420
120V,
60Hz
4
3
2
7
1
1
YES
NO
240W
1W
10W
x2
194
lbs
104.3
kg
230.0
lbs
88
kg
994
x654x604mm
39
1/8
x25
3/4
x23
3/4
in
994
x776.5x634mm
39
1/8
x30
5/8
x25in
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
 5 
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
Television system
American TV standard, NTSC
Channel coverage
VHF: 2-13/ UHF: 14-69/ CATV: 1-125 
Picture tube
FD Trinitron
®
 tube
Visible screen size
27-inch picture measured diagonally (KV-27HS420/29DRC420 Only)
30-inch picture measured diagonally (KV-30HS420 Only)
32-inch picture measured diagonally (KV-32HS420 Only)
34-inch picture measured diagonally (KV-34HS420 Only)
36-inch picture measured diagonally (KV-36HS420 Only)
Actual screen size
29-inch measured diagonally (KV-27HS420/29DRC420 Only)
32-inch measured diagonally (KV-30HS420 Only)
34-inch measured diagonally (KV-32HS420 Only)
36-inch measured diagonally (KV-34 HS420 Only)
38-inch measured diagonally (KV-36HS420 Only)
Antenna
75 ohm external terminal for VHF/UHF 
Supplied Accessories
Remote Commander RM-Y197 
Two Size AA (R6) Batteries
Optional Accessories
AV Cable: VMC-810/820/830 HG 
Audio Cable: RKC-515HG
Component Video Cable: VMC-10/30 HG 
TV Stand:  SU-27HX1  (KV-27HS420/29DRC420 Only)
TV Stand:  SU-30HX1 (KV-30HS420 Only)
TV Stand:  SU-32HX1 (KV-32HS420 Only)
TV Stand:  SU-34HX1 (KV-34HS420 Only)
TV Stand:  SU-36HX1 (KV-36HS420 Only)
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  • DOWNLOAD Sony KV-27HS420 Service Manual ↓ Size: 12.87 MB | Pages: 127 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony KV-27HS420 in PDF for free, which will help you to disassemble, recover, fix and repair Sony KV-27HS420 TV. Information contained in Sony KV-27HS420 Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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