Sony KV-AR34M81 Service Manual ▷ View online
TRINITRON
®
COLOR TV
RM-995
RM-996
MODEL
COMMANDER DEST. CHASSIS NO.
CHASSIS
SERVICE MANUAL
BG3R
MODEL
COMMANDER DEST.
CHASSIS NO.
KV-AR34M81
RM-995 ME
SCC-U48V-A
KV-AR34N90
RM-996 Taiwan
SCC-U54F-A
– 2 –
KV-AR34M81/AR34N90
RM-995 RM-996
SPECIFICATIONS
(KV-AR34M81)
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, NTSC3.58, NTSC4.43
Teletext language
English, Farsi (Persian), French
Channel coverage
B/G
VHF: E2 to E12 / UHF: E21 to E69
CATV: S01 to S03, S1 to S41
I
UHF: B21 to B68 / CATV: S01 to S03, S1 to S41
D/K
VHF: C1 to C12, R1 to R12 /
UHF: C13 to C57, R21 to R60 /
CATV: S01 to S03, S1 to S41, Z1 to Z39
UHF: C13 to C57, R21 to R60 /
CATV: S01 to S03, S1 to S41, Z1 to Z39
M
VHF: A2 to A13 / UHF: A14 to A79
CATV: A-8 to A-2, A to W+4, W+6 to W+84
CATV: A-8 to A-2, A to W+4, W+6 to W+84
˘(Antenna)
75-ohm external terminal
Audio output (Speaker)
8W + 8W
Number of terminal
DVideo
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 1 Vp-p, 75 ohms
≥ Audio
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 500 mVrms
(S Video)
Input : 2
Y: 1 Vp-p, 75 ohms
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
(Component
Input : 1
Phono jacks:
Video)
Y: 1 Vp-p, 75 ohms
sync negative
C
sync negative
C
B
: 0.7 Vp-p, 75 ohms
C
R
: 0.7 Vp-p, 75 ohms
Audio: 500mVrms
2 (Headphone)
Output: 1
Stereo minijack
Picture tube
34
Tube size (cm)
86
Measured diagonally
Screen size (cm)
80
Measured diagonally
Dimension (w/h/d,mm)
896
× 686 × 569
Mass (kg)
79
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.
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.
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
Note
– 3 –
KV-AR34M81/AR34N90
RM-995 RM-996
SPECIFICATIONS
(KV-AR34N90)
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*, NTSC4.43*
* AV IN only
Stereo/Bilingual System MTS
Channel coverage
VHF : 2 to 13 / UHF : 14 to 69 / CATV : 1 to 125
˘(Antenna)
75-ohm external terminal
Audio output (Speaker)
8W + 8W
Number of terminal
Video
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 1 Vp-p, 75 ohms
Audio
Input: 4*
Output: 1
* Three input lines available
Phono jacks; 500 mVrms
(S Video)
Input : 2
Y: 1 Vp-p, 75 ohms
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
unbalanced, sync negative
C: 0.286 Vp-p, 75 ohms
Component
Input : 1
Phono jacks:
Video (DVD) IN
Y: 1 Vp-p, 75 ohms
sync negative
C
sync negative
C
B
: 0.7 Vp-p, 75 ohms
C
R
: 0.7 Vp-p, 75 ohms
Audio: 500mVrms
2 (Headphone)
Output: 1
Stereo minijack
Picture tube
34
Tube size
859 mm
Measured diagonally
Screen size
803 mm
Measured diagonally
Dimension (w/h/d,mm)
896
× 686 × 569
Mass (kg)
79 kg
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.
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.
THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR
CARBON PAINTED ON THE CRT, AFTER REMOVING THE
ANODE.
Note
– 4 –
KV-AR34M81/AR34N90
RM-995 RM-996
TABLE OF CONTENTS
SELF DIAGNOSTIC FUNCTION ........................................ 5
1. DISASSEMBLY
1-1.
Rear Cover Removal ................................................... 8
1-2.
Speaker Removal ........................................................ 8
1-3.
Chassis Assy Removal ................................................ 8
1-4.
F Board Removal ........................................................ 8
1-5.
Service Position .......................................................... 8
1-6
HV Cap Block, PWB Holder and
DH Board Removal .................................................... 8
DH Board Removal .................................................... 8
1-7.
Terminal Bracket and J Board Removal .................... 9
1-8.
D2 Board Removal ..................................................... 9
1-9.
H1 and H2 Boards Removal ....................................... 9
1-10. B1 and V1 Boards Removal ....................................... 9
1-11. A and B10 Boards Removal ....................................... 9
1-12. Picture Tube Removal ............................................... 10
1-11. A and B10 Boards Removal ....................................... 9
1-12. Picture Tube Removal ............................................... 10
2. ADVANCE OPERATION
2-1.
"RESET" Function .................................................... 11
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing ........................................................... 12
3-2.
Convergence .............................................................. 13
3-3.
Focus Adjustment ..................................................... 15
3-4.
G2 (SCREEN) and White Balance Adjustment ....... 16
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustment With Commander .................................. 17
4-2.
Adjustment Method .................................................. 17
4-3.
Adjustment for Non Digital Texture Enhancer (DTE)
Model ........................................................................ 29
Model ........................................................................ 29
4-4.
Adjustment for Digital Texture Enhancer (DTE)
Model ........................................................................ 29
Model ........................................................................ 29
4-5.
Display Position Adjustment .................................... 30
4-6.
Deflection Adjustment .............................................. 30
4-7.
H-Trapezoid Adjustment .......................................... 31
4-8.
A Board Adjustment After IC003 (MEMORY)
Replacement .............................................................. 31
Replacement .............................................................. 31
4-9.
Picture Distortion Adjustment .................................. 32
Section
Title
Page
Section
Title
Page
5. DIAGRAMS
5-1.
Block Diagram .......................................................... 33
5-2.
Circuit Board Location ............................................. 35
5-3.
Schematic Diagram ................................................... 36
(1) C6 and J Boards Schematic Diagrams ............... 37
(2) A Board Schematic Diagram .............................. 39
(3) D2 Board Schematic Diagram ............................ 43
(4) H1 and F Boards Schematic Diagrams ............... 45
(5) B10 Board Schematic Diagram .......................... 47
(6) V1 Board Schematic Diagram ............................ 49
(7) B1 Board Schematic Diagram ............................ 51
(8) DH Board Schematic Diagram ........................... 52
(9) H2 Board Schematic Diagram ............................ 53
(10) VM1 Board Schematic Diagram ...................... 54
(1) C6 and J Boards Schematic Diagrams ............... 37
(2) A Board Schematic Diagram .............................. 39
(3) D2 Board Schematic Diagram ............................ 43
(4) H1 and F Boards Schematic Diagrams ............... 45
(5) B10 Board Schematic Diagram .......................... 47
(6) V1 Board Schematic Diagram ............................ 49
(7) B1 Board Schematic Diagram ............................ 51
(8) DH Board Schematic Diagram ........................... 52
(9) H2 Board Schematic Diagram ............................ 53
(10) VM1 Board Schematic Diagram ...................... 54
5-4.
Voltage List and Waveforms ..................................... 56
5-5.
Printed Wiring Boards and Parts Location ............... 61
5-6.
Semiconductors ......................................................... 68
6. EXPLODED VIEWS
6-1.
Speaker Bracket ........................................................ 70
6-2.
Chassis ...................................................................... 71
6-3.
Picture Tube .............................................................. 72
7. ELECTRICAL PARTS LIST ......................................... 73
OPERATING INSTRUCTIONS