background image
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:
4,000,001 to 4,499,999
8,000,001 to 8,499,999
9,000,001 to 9,499,999
HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
ORIGINAL MANUAL ISSUE DATE: 5/2004
UPDATEDITEM
REVISION DATE
SUBJECT
5/2004
No revisions or updates are applicable at this time.
11/2004
Reissue entire manual.
12/2004
Corrected Self-Diagnostic Circuit Diagram - Replaced Page 9
7/2005
Added Serial Number range to Front Cover and History Information pages
Corrected instructions for 2-1. Beam Landing - Replaced Page 22
Corrected Block Diagram for HS Signal Flow - Replaced Page 62
Corrected DZ Board Schematic Diagram (Page 1 of 2) - Replaced Page 65
Corrected PN for AY Board for 36" model in Section 6: Exploded Views - Replaced Page 102
Corrected PN for AY Board for 36" model in Section 7: Electrical Parts List - Replaced Page 120 & 121


background image
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:
4,000,001 to 4,499,999
8,000,001 to 8,499,999
9,000,001 to 9,499,999
Self Diagnosis
Supported model
KV-30HS420
RM-Y197


background image
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


background image
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
4
KV-27HS420/29DRC420/30HS420/32HS420/34HS420/36HS420
SPECIFICATIONS
Design and specifications 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.
TruSurroundTM
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 (fix); Impedance (output): 2 kilohms
KV-29DRC420
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
10W x 2
10W x 2
10W x 2
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
KV-34HS420
KV-36HS420
120V, 60Hz
4
3
2
7
1
1
YES
NO
240W
1W
10W x 2
194 lbs
104.3 kg
230.0 lbs
88 kg
994 x 654 x 604 mm
39
1/8 x 25 3/4 x 23 3/4 in
994 x 776.5 x 634 mm
39
1/8 x 30 5/8 x 25 in


background image
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)