background image
MODEL
COMMANDER DEST. CHASSIS NO.
KV-HF51P50
RM-952
Indonesia SCC-U20K-A
KV-XF21M80
RM-952
E
SCC-U13C-A
KV-XF21M80
RM-952
ME
SCC-U16W-A
KV-XF21M80
RM-952
Vietnam
SCC-U28A-A
KV-XF21M83
RM-952
Vietnam
SCC-U28B-A
KV-XF21N90
RM-915
Taiwan
SCC-P13D-A
KV-XF51M65
RM-952
Indonesia SCC-U20F-A
MODEL
COMMANDER DEST. CHASSIS NO.
CHASSIS
TRINITRON ® COLOR TV
SERVICE MANUAL
BG-3S
Self Diagnosis
Supported model
HF51
RM-915
RM-952
XF21


background image
­ 2 ­
KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
SPECIFICATIONS (KV-HF51P50)
Note
Power requirements
110-240 V AC, 50/60 Hz
Power consumption (W) Indicated on the rear of the TV
Television system
B/G
Color system
PAL, PAL 60, NTSC4.43, NTSC3.58 (AV IN)
Channel coverage
VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41
(Antenna)
75-ohm external terminal
Audio output
5W + 5W
Number of terminal
D (Video)
Input: 2 Output: 1
Phono jacks; 1 VP-P, 75 ohms
(Audio)
Input: 2 Output: 1
Phono jacks; 500 mVrms
2 (Headphone)
Output: 1
Minijack
Picture tube
Tube size (mm)
545
Measured diagonally
Screen size (mm)
507
Measured diagonally
Dimension (w/h/d, mm)
640
× 456 × 495
Mass (kg)
27
Design and specifications are subject to change without notice.
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
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
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.


background image
­ 3 ­
KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
SPECIFICATIONS (KV-XF21M80/XF21M83/XF51M65)
Note
Power requirements
110-240 V AC, 50/60 Hz
Power consumption (W) Indicated on the rear of the TV
Television system
B/G, I, D/K, M
Color system
PAL, PAL 60, SECAM, NTSC4.43, NTSC3.58
Stereo/Bilingual system
NICAM Stereo/Bilingual B/G; I; A2 Stereo/Bilingual (German) B/G
KV-XF51M65 only
Teletext Language
English, Arabic, French
KV-XF51M65 only
Channel coverage
VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41
(Antenna)
75-ohm external terminal
Audio output
3W + 3W
KV-XF21M83/ XF51M65
5W + 5W
KV-XF21M80
3D WOOFER
9W
KV-XF21M83/ XF51M65 only
Number of terminal
D (Video)
Input: 2 Output: 1
Phono jacks; 1 VP-P, 75 ohms
(Audio)
Input: 2 Output: 1
Phono jacks; 500 mVrms
2 (Headphone)
Output: 1
Minijack
Picture tube
21 inch
Tube size
54 cm
Measured diagonally
KV-XF21M80/ XF21M83
545 mm
KV-XF51M65
Screen size
51 cm
Measured diagonally
KV-XF21M80/ XF21M83
507 mm
KV-XF51M65
Dimension (w/h/d, mm)
640
× 470 × 498
KV-XF21M83/ XF51M65
640
× 456 × 498
KV-XF21M80
Mass (kg)
29
KV-XF21M83/ XF51M65
27
KV-XF21M80
Design and specifications are subject to change without notice.
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
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
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.


background image
­ 4 ­
KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
SPECIFICATIONS (KV-XF21N90)
Note
Power requirements
110 V AC, 60 Hz
Power consumption (W) Indicated on the rear of the TV
Television system
M
Color system
NTSC3.58, PAL*, PAL 60*, SECAM*, NTSC 4.43*
*AV only
Stereo system
MTS
Channel coverage
VHF: 2 to 13/ UHF: 14 to 69
CATV: A-8 to A-1, A-W, W+1 to W+84
(Antenna)
75-ohm external terminal
Audio output
5W + 5W
Number of terminal
Video
Input: 2 Output: 1
Phono jacks; 1 VP-P, 75 ohms
Audio
Input: 2 Output: 1
Phono jacks; 500 mVrms
Headphone
Output: 1
Minijack
Picture tube
21 inch
Tube size (mm)
545
Measured diagonally
Screen size (mm)
510
Measured diagonally
Dimension (w/h/d, mm)
640
× 456 × 498
Mass (kg)
27
Design and specifications are subject to change without notice.
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
THESE COMPONENTS WITH SONY PARTS WHOSE PART
NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN
SUPPLEMENTS PUBLISHED BY SONY.
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.


background image
­ 5 ­
KV-HF51P50/XF21M80/XF21M83/XF21N90/XF51M65
RM-952
RM-952
RM-952
RM-915
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION ................................ 6
1. GENERAL ........................................................................ 10
2. DISASSEMBLY
2-1.
3D Speaker Box Removal ....................................... 46
2-2.
Rear Cover Removal ................................................ 46
2-3.
Chassis Assy Removal ............................................. 46
2-4.
F Bracket Removal .................................................. 46
2-5.
Service Position ....................................................... 47
2-6.
Replacement of Parts ............................................... 47
2-6-1.
Replacement of Control Button .......................
47
2-6-2.
Replacement of Light Guide ............................
47
2-7.
H4 and K1 Board Removal ..................................... 48
2-8.
Terminal Bracket Removal ...................................... 48
2-9.
Degauss Coil Removal ............................................. 48
2-10. Picture Tube Removal .............................................. 49
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 51
3-2.
Convergence ............................................................. 52
3-3.
Focus Adjustment .................................................... 54
3-4.
G2 (Screen) and White Balance Adjustments ......... 54
4. CIRCUIT ADJUSTMENT
4-1.
Adjustments with Commander ................................ 55
4-2.
Adjustment Method ................................................. 56
4-3.
Picture Quality Adjustments .................................... 64
4-4.
A Board Adjustment After IC003 (Memory)
Replacement............................................................. 64
4-5.
Picture Distortion Adjustment ................................. 65
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagram ......................................................... 67
5-2.
Frame Schematic Diagram ...................................... 70
5-3
Circuit Boards Location .......................................... 73
5-4.
Schematic Diagrams and Printed Wiring Boards ... 74
(1)
Schematic Diagram of A (1/2) Board ...................... 77
(2)
Schematic Diagrams of A (2/2) and K1 and
VM1 Boards ............................................................. 82
(3)
Schematic Diagrams of C5 and V1 Boards ............. 91
(4)
Schematic Diagrams of J3, H4 and F Boards ................. 99
5-5.
Semiconductors ....................................................... 102
6. EXPLODED VIEWS
6-1.
Chassis (except KV-HF51P50) ............................... 105
6-2.
Chassis (KV-HF51P50) .......................................... 108
6-3.
3D Speaker .............................................................. 110
7. ELECTRICAL PARTS LIST...................................... 111