Read Sony KP-HW51K90J / KP-HW57K90J (serv.man2) Service Manual online
CHASSIS
SERVICE MANUAL
MODEL
COMMANDER DEST. CHASSIS NO.
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MODEL
COMMANDER
DEST. CHASSIS NO.
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RA-6
KP-HW51K90J
RM-Y909K
Korean
SCC-P73H-A
KP-HW57K90J
RM-Y909K
Korean
SCC-P73G-A
PROJECTION TV
RM-Y909K
KP-HW51K90J/HW57K90J
Ver. 2.0
– 2 –
KP-HW51K90J/HW57K90J
RM-Y909K
RM-Y909K
Specifications
Projection System
3 picture tubes, 3 lenses, horizontal in-line system
Picture Tube
7-inch high-brightness monochrome tubes (6.3 raster size), with optical
coupling and liquid cooling system
coupling and liquid cooling system
Projection Lenses
High performance, large
diameter hybrid lens F1.1
diameter hybrid lens F1.1
Antenna
75 ohm external terminal for VHF/UHF
Television System
NTSC, American TV Standard
Screen Size (measured diagonally)
Channel Coverage
VHF
VHF
2-13
UHF
14-69
CATV
1-125
Power Requirements
220 V AC, 60 Hz
Number of Inputs/Outputs
Video (IN)
4
1 Vp-p, 75 ohms unbalanced, sync negative
S Video (IN)
3
Y: 1 Vp-p, 75 ohms unbalanced, sync negative
C: 0.286 Vp-p (Burst signal), 75 ohms
Audio (IN)
6
500 mVrms (100% modulation)
Impedance: 47 kiloohms
AUDIO (VAR/FIX)
1
500 mVrms at the maximum volume setting
(Variable)
500 mVrms (Fixed)
Impedance (output): 2 kiloohms
(Variable)
500 mVrms (Fixed)
Impedance (output): 2 kiloohms
TV Out
1
Video: 1 Vp-p 75 ohms unbalanced, Sync
negative
negative
Audio: 500 mVrms (100% modulation)
Impedance (output): 1 kiloohms
CONTROL S (IN/OUT)
1
Minijacks
Component Video Input
2 (Y, P
B
, P
R
)
Y: 1.0 Vp-p, 75 ohms unbalanced, sync
negative
negative
P
B
: 0.7 Vp-p, 75 ohms
P
R
: 0.7 Vp-p, 75 ohms
RF Inputs
2
Converter
1
Speaker Output
20 W
x 2
Dimensions (W x H x D)
Mass
Power Consumption
In Use
230 W
In Standby
1.2 W
Supplied Accessories
Remote Control
RM-Y909K
AA (R6) Batteries
2 supplied for remote control
Design and specifications are subject to change without notice.
51 inches (KP-HW51K90J)
57 inches (KP-HW57K90J)
57 inches (KP-HW57K90J)
1,194
x 1,310 x 630 mm (KP-HW51K90J)
1,326
x 1,377 x 690 mm (KP-HW57K90J)
76 kg (KP-HW51K90J)
89 kg (KP-HW57K90J)
89 kg (KP-HW57K90J)
– 3 –
KP-HW51K90J/HW57K90J
RM-Y909K
RM-Y909K
(CAUTION)
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CAR-
BON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
WARNING!!
AN ISOLATION TRANSFORMER SHOULD BE USED DURING
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
ANY SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BE-
CAUSE OF LIVE CHASSIS.
THE CHASSIS OF THIS RECElVER IS DIRECTLY CONNECTED
TO THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.
PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE
THESECOMPONENTS WITH SONY PARTS WHOSE PART NUM-
BERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLE-
MENTS PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT
ARE CRITICAL TO SAFEOPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITI-
CAL COMPONENTS ARE REPLACED OR IMPROPER OPERA-
TION IS SUSPECTED.
– 4 –
KP-HW51K90J/HW57K90J
RM-Y909K
RM-Y909K
TABLE OF CONTENTS
Section
Title
Page
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Section
Title
Page
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1. SELF DIAGNOSIS FUNCTION
····································· 5
2. DISASSEMBLY
2-1.
REAR BOARD REMOVAL ....................................... 8
2-2.
CHASSIS ASSY REMOVAL ..................................... 8
2-3.
SERVICE POSITION ................................................. 8
2-4.
H2 BOARD REMOVAL ............................................. 8
2-5.
H1 BOARD REMOVAL ............................................. 9
2-6.
H3 BOARD REMOVAL ............................................. 9
2-7.
MIRROR COVER REMOVAL .................................. 9
2-8.
BEZNET ASSY REMOVAL ...................................... 9
2-9.
AD BOARD AND B BOARD REMOVAL .............. 10
2-10. F BOARD AND G BOARD REMOVAL ................ 10
2-11.
2-11.
A BOARD, D BOARD AND
U BOARD REMOVAL ............................................. 10
U BOARD REMOVAL ............................................. 10
2-12. PICTURE TUBE REMOVAL .................................. 11
2-13. HIGH-VOLTAGE CABLE INSTALLATION AND
2-13. HIGH-VOLTAGE CABLE INSTALLATION AND
REMOVAL ................................................................ 11
3. SET-UP ADJUSTMENTS
3-1.
SCREEN VOLTAGE ADJUSTMENT
(COARSE ADJUSTMENT) ..................................... 12
(COARSE ADJUSTMENT) ..................................... 12
3-2.
SCREEN (G2) ADJUSTMENT
(FINE ADJUSTMENT) ............................................ 12
(FINE ADJUSTMENT) ............................................ 12
3-3.
DEFLECTION YOKE TILT ADJUSTMENT .......... 12
3-4.
FOCUS LENS ADJUSTMENT ............................... 12
3-5.
FOCUS VR ADJUSTMENT .................................... 13
3-6.
2-POLE MAGNET ADJUSTMENT ........................ 13
3-7.
CENTERING MAGNET ADJUSTMENT ............... 13
3-8.
4-POLE MAGNET ADJUSTMENT ........................ 13
3-9.
DEFOCUS ADJUSTMENT (BLUE) ........................ 13
3-10. ELECTRICAL ADJUSTMENT BY REMOTE
COMMANDER ........................................................ 14
3-11.
REGISTRATION ADJUSTMENT ........................... 25
3-12. AUTO CONVERGENCE OFFSET .......................... 29
3-13. AUTO REGISTRATION ERROR CODE LIST ...... 29
3-13. AUTO REGISTRATION ERROR CODE LIST ...... 29
4. CIRCUIT ADJUSTMENTS
4-1.
P & P SUB CONTRAST
ADJUSTMENT (VIDEO) (SCON) .......................... 31
ADJUSTMENT (VIDEO) (SCON) .......................... 31
4-2.
P & P SUB CONTRAST
ADJUSTMENT (RF) (SCON) .................................. 31
ADJUSTMENT (RF) (SCON) .................................. 31
4-3.
P & P SUB-HUE AND
SUB-COLOR ADJUSTMENT (SHUE, SCOL) ...... 31
SUB-COLOR ADJUSTMENT (SHUE, SCOL) ...... 31
4-4.
P & P SUB-HUE AND
SUB-COLOR ADJUSTMENT (SHUE, SCOL) ....... 31
SUB-COLOR ADJUSTMENT (SHUE, SCOL) ....... 31
4-5.
BLUE OFFSET ADJUSTMENT .............................. 32
5. SAFETY RELATED ADJUSTMENTS
5-1.
HV REGULATION CIRCUIT CHECK AND
ADJUSTMENT ......................................................... 33
ADJUSTMENT ......................................................... 33
5-2.
HV HOLD DOWN CIRCUIT OPERATION
CHECK AND ADJUSTMENT ................................. 33
CHECK AND ADJUSTMENT ................................. 33
5-3.
+B MAX VOLTAGE CONFIRMATION ................. 33
5-4.
+B OVP CONFIRMATION ...................................... 33
6. DIAGRAMS
6-1.
BLOCK DIAGRAM (1) ........................................... 34
BLOCK DIAGRAM (2) ........................................... 35
BLOCK DIAGRAM (3) ........................................... 36
BLOCK DIAGRAM (4) ........................................... 37
BLOCK DIAGRAM (5) ........................................... 38
BLOCK DIAGRAM (6) ........................................... 39
BLOCK DIAGRAM (7) ........................................... 40
BLOCK DIAGRAM (8) ........................................... 41
BLOCK DIAGRAM (9) ........................................... 42
BLOCK DIAGRAM (10) ......................................... 43
BLOCK DIAGRAM (11) .......................................... 44
BLOCK DIAGRAM (2) ........................................... 35
BLOCK DIAGRAM (3) ........................................... 36
BLOCK DIAGRAM (4) ........................................... 37
BLOCK DIAGRAM (5) ........................................... 38
BLOCK DIAGRAM (6) ........................................... 39
BLOCK DIAGRAM (7) ........................................... 40
BLOCK DIAGRAM (8) ........................................... 41
BLOCK DIAGRAM (9) ........................................... 42
BLOCK DIAGRAM (10) ......................................... 43
BLOCK DIAGRAM (11) .......................................... 44
6-2. CIRCUIT BOARDS LOCATION ................................. 45
6-3. SCHEMATIC DIAGRAMS .......................................... 45
6-4. PRINTED WIRING BOARDS ..................................... 74
6-5. WAVEFORMS ............................................................... 88
6-6. IC BLOCK DIAGRAMS ............................................... 90
6-7. SEMICONDUCTORS ................................................... 94
6-3. SCHEMATIC DIAGRAMS .......................................... 45
6-4. PRINTED WIRING BOARDS ..................................... 74
6-5. WAVEFORMS ............................................................... 88
6-6. IC BLOCK DIAGRAMS ............................................... 90
6-7. SEMICONDUCTORS ................................................... 94
7. EXPLODED VIEWS
7-1.
COVER (KP-HW51K90J) ........................................ 95
7-2.
CHASSIS (KP-HW51K90J) ..................................... 96
7-3.
COVER (KP-HW57K90J) ........................................ 97
7-4.
CHASSIS (KP-HW57K90J) ..................................... 98
7-5.
PICTURE TUBE ....................................................... 99
8. ELECTRICAL PARTS LIST
..................................... 100