DOWNLOAD Sony KV-27HS420 (serv.man2) Service Manual ↓ Size: 14.46 MB | Pages: 127 in PDF or view online for FREE

Model
KV-27HS420 (serv.man2)
Pages
127
Size
14.46 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-27hs420-sm2.pdf
Date
PREV: Sony KV-21FA310 (serv.man2) Service Manual

Sony KV-27HS420 (serv.man2) Service Manual ▷ View online

TRINITRON
®
 COLOR TELEVISION
 SERVICE MANUAL 
DA-4
 
CHASSIS
 
MODEL NAME 
REMOTE COMMANDER 
DESTINATION  
CHASSIS NO.
9-965-986-01
KV-27HS420
 RM-Y197 
US 
SCC-S76C-A
KV-27HS420
 RM-Y197 
CANADA  SCC-S70X-A
KV-29DRC430
 RM-Y197 
LATIN 
NORTH  SCC-S71S-A
KV-29DRC430
 RM-Y197 
LATIN 
SOUTH  SCC-S71T-A
KV-30HS420
 RM-Y197 
US 
SCC-S76D-A
KV-30HS420
 RM-Y197 
CANADA  SCC-S70Y-A
KV-30HS420
 RM-Y197 
HAWAII 
SCC-S69R-A
KV-32HS420
 RM-Y197 
US 
SCC-S76E-A
KV-32HS420
 RM-Y197 
CANADA  SCC-S78A-A
KV-34HS420
 RM-Y197 
US 
SCC-S76F-A
KV-34HS420
 RM-Y197 
CANADA  SCC-S78B-A
This manual is for units starting with the following S/N’s:
For KV-27HS420/30HS420/32HS420/34HS420 
For KV-29DRC430 
4,000,001 to 4,499,999
8,000,001 to 8,499,999
9,000,001 to 9,499,999
 4,500,001 to 7,999,999
8,500,001 to 8,999,999
9,500,001 to 9,999,999
Self Diagnosis
Supported model
KV-30HS420
RM-Y197
3
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
TABLE OF CONTENTS 
SECTION TITLE   
PAGE
SECTION TITLE   
PAGE
Specifi cations ................................................................................. 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 ................................................ 26
2-1. Beam Landing ...................................................................... 26
2-2.  V-PIN and V-CEN Adjustment .............................................. 27
2-3. Convergence 
........................................................................ 27
2-3.1.  Vertical and Horizontal Static Convergence ............ 27
2-3.2.  Operation of BMC (Hexapole) Magnet .................... 27
2-3.3. TLH 
Plate 
Adjustment 
.............................................. 27
2-3.4. Screen-Corner 
Convergence 
................................... 28
2-3.5. Dynamic 
Convergence 
Adjustments 
........................ 28
2-4. Focus Adjustment 
................................................................. 29
2-4.1.  Dynamic Focus/Dynamic Quadra-Pole Data ........... 29
2-5. Screen (G2) 
.......................................................................... 30
2-6. Picture Quality Adjustments ................................................. 30
2-6.1.  Video Input - Sub Contrast Adjustment .................... 30
2-6.2.  Video Input - Sub Hue/Sub Color Adjustment .......... 31
2-6.3.  RF Input - Sub Contrast Adjustment ........................ 31
2-6.4.  RF Input - Sub Hue/Sub Color Adjustment .............. 32
2-7.  White Balance (CRT) and Sub Bright Adjustment ................ 32
2-7.1. Color 
Offset 
Adjustment 
Procedure 
......................... 32
2-8. H Raster Center Adjustment ................................................ 33
2-9. Picture Distortion Adjustments ............................................. 33
2-9.1.  NTSC (DRC) Full Mode Adjustment ........................ 33
CXA2170D-1 ................................................................... 33
CXA2170D-2 ................................................................... 34
2-9.2. 1080i 
HD 
Mode 
Adjustment 
..................................... 34
2-9.3.  Vertical Compressed Mode Check and Confi rmation 
(For 4x3 CRT Only) ................................................. 34
2-9.4  Normal, Zoom and Wide Zoom modes .................... 34
SECTION 3:  SAFETY RELATED ADJUSTMENTS .............................. 35
3-1. Preparation Before Confi rmation 
.......................................... 35
3-1.1 Hold-Down 
Operation 
Confi 
rmation 
......................... 35
3-2. B+ Max Confi rmation ........................................................... 35
3-3. B+ Voltage Check ................................................................ 35
3-4.  High Voltage (HV) Check ..................................................... 35
3-5.  Preparation for HV and Ik Protector Check .......................... 35
3-6. HV Protector Check ............................................................. 35
3-6-1. Cut 
Off 
Condition 
..................................................... 35
3-6-2. High 
Light 
Condition 
................................................ 36
3-7.  IK Protector Check ............................................................... 36
3-8.  Hold Down Check ................................................................ 36
3-9. Restoration 
........................................................................... 36
3-10. HV  Service  Flowchart ........................................................... 37
HV Service Flowchart Table ................................................. 38
SECTION 4:  CIRCUIT ADJUSTMENTS ............................................... 39
4-1. Setting Service Adjustment Mode ........................................ 39
4-1.1.  Service Adjustment Mode In .................................... 39
4-1.2.  Service Adjustment Mode Memory .......................... 39
4-1.3. Reading 
the 
Memory 
............................................... 39
4-1.4.  Adjusting the Picture ................................................ 39
4-1.5. Resetting 
the 
Data 
................................................... 39
4-1.6.  Resetting the MID NVM Data .................................. 39
4-1.7.  Resetting the System NVM Data ............................. 39
4-1.8. Copy 
Function 
.......................................................... 39
4-2.  Memory Write Confi rmation Method .................................... 40
4-3.  Remote Adjustment Buttons and Indicators ......................... 40
4-4. Service Data 
......................................................................... 41
 KV-27HS420/29DRC430 
Only 
............................................. 41
 KV-30HS420 
Only 
................................................................ 55
 KV-32HS420 
Only 
................................................................ 69
 KV-34HS420 
Only 
................................................................ 83
4-5. ID Map Table ........................................................................ 96
SECTION 5:  DIAGRAMS ..................................................................... 97
5-1.  Circuit Boards Location ........................................................ 97
5-2.  Printed Wiring Boards and 
Schematic Diagrams Information ......................................... 97
5-3. Block Diagrams .................................................................... 98
5-4.  Schematics and Supporting Information ............................ 101
A Board Schematic Diagram (1 of 2) .................................. 101
A Board Schematic Diagram (2 of 2) .................................. 102
B Board Schematic Diagram (1 of 2) ................................. 105
B Board Schematic Diagram (2 of 2) ................................. 106
CH Board Schematic Diagram ........................................... 109
D Board Schematic Diagram (1 of 2) .................................. 111
D Board Schematic Diagram (2 of 2) ..................................112
HAX Board Schematic Diagram  .........................................114
HB Board Schematic Diagram ............................................115
HCX Board Schematic Diagram ..........................................116
M Board Schematic Diagram (1 of 4) ..................................118
M Board Schematic Diagram (2 of 4) ..................................119
M Board Schematic Diagram (3 of 4) ................................. 120
M Board Schematic Diagram (4 of 4) ................................. 121
P Board Schematic Diagram  ............................................. 124
PA Board Schematic Diagram  ........................................... 125
UY Board Schematic Diagram ........................................... 126
WY Board Schematic Diagram .......................................... 128
5-5.  Semiconductors (1 of 2) ..................................................... 130
 
Semiconductors (2 of 2) ..................................................... 131
SECTION 6:  EXPLODED VIEWS ...................................................... 132
6-1.  Chassis (KV-27HS420/29DRC430 Only) ........................... 132
6-2.  Picture Tube (KV-27HS420/29DRC430 Only) .................... 133
6-3.  Chassis (KV-30HS420/34HS420 Only) .............................. 134
6-4.  Picture Tube (KV-30HS420/34HS420 Only) ...................... 135
6-5.  Chassis (KV-32HS420 Only) .............................................. 136
6-6.  Picture Tube (KV-32HS420 Only) ...................................... 137
SECTION  7:  ELECTRICAL PARTS LIST .......................................... 138
4
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
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)  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-29DRC430
KV-27HS420
KV-30HS420
KV-32HS420
Power Requirements
220V, 50-60Hz
Number of Inputs/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 x 2            
15W Subwoofer
10W x 2
15W Subwoofer
10W x 2
15W Subwoofer
10W x 2
15W Subwoofer
Power Consumption (W)
In Use (Max)
240W
In Standby 
1W
Dimensions (W x H x D)
mm 784 x 601.5 x 520 mm 784 x 601.5 x 520 mm
898 x 604 x 564.5 mm
898 x 698 x 598 mm
in 30
 7/8
 x 23 
5/8
 x 20 
1/2
 in 30
 7/8
 x 23 
5/8
 x 20 
1/2
 in 35 
3/8
 x 23
 3/4
 x 22 
1/4
 in
35 
3/8
 x 27 
1/2
 x 23
 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
194 lbs
88 kg
994 x 654 x 604 mm
39
1/8
 x 25 
3/4
 x 23
 3/4
 in
1
1
YES
NO
240W
1W
10W x 2
15W Subwoofer
4
3
2
7
KV-34HS420
120V, 60Hz
As an ENERGY STAR Partner, Sony has determined 
that this product or product models meets the 
ENERGY STAR guidelines for energy efficiency. 
ENERGY STAR is a U.S. registered mark.
Trademark Information
WOW, TruSurround and the 
 symbol are trademarks of SRS 
Labs, Inc. WOW and TruSurround technology are incorporated 
under license from SRS Labs, Inc. 
Manufactured under license from BBE Sound, Inc. Licensed by BBE 
Sound, Inc. under USP4638258, 5510752 and 5736897. BBE and BBE 
symbol are registered trademarks of BBE Sound, Inc. 
This TV incorporates High-Definition 
Multimedia Interface (HDMI™) 
technology. HDMI, the HDMI logo and 
High-Definition Multimedia Interface are trademarks or registered 
trademarks of HDMI Licensing LLC. 
Wega, FD Trinitron, Steady Sound, Digital Reality Creation, Cap-
tion Vision, and CineMotion are registered trademarks of Sony 
Corporation. ClearEdge VM and HD Detailer are trademarks of 
Sony Corporation.
5
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
KV-27HS420/29DRC430/30HS420/32HS420/34HS420
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-27HS420/29DRC430 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)
Actual screen size
29-inch measured diagonally (KV-27HS420/29DRC430 Only)
32-inch measured diagonally (KV-30HS420 Only)
34-inch measured diagonally (KV-32HS420 Only)
36-inch measured diagonally (KV-34 HS420 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-27HS420/29DRC430 Only)
TV Stand:  SU-30HX1 (KV-30HS420 Only)
TV Stand:  SU-32HX1 (KV-32HS420 Only)
TV Stand:  SU-34HX1 (KV-34HS420 Only)
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  • Here you can View online or download the Service Manual for the Sony KV-27HS420 (serv.man2) in PDF for free, which will help you to disassemble, recover, fix and repair Sony KV-27HS420 (serv.man2) TV. Information contained in Sony KV-27HS420 (serv.man2) 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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