Sony KV-J14M1J Service Manual ▷ View online
MODEL
COMMANDER DEST. CHASSIS NO.
KV-J14M1J
RM-869
ME
SCC-U07P-A
MODEL
COMMANDER DEST. CHASSIS NO.
CHASSIS
BG-2S
SERVICE MANUAL
TRINITRON
®
COLOR TV
– 2 –
KV-J14M1J
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
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: Z1 to Z39, S01 to S03, S1 to S41
M
VHF: A2 to A13/ UHF: A14 to A79/
CATV: A-8 to A-2, A to W+4, W+6 to W+84
Audio output (speaker)
3W+3W
Inputs
˘ (antenna): 75 ohms external terminal
…
(video input) jacks: phono jacks
D (video): 1 Vp-p, 75 ohms
≥
≥
(audio): 500 mVrms, high impedance
Outputs
A
(earphone) jack: mini jack
Ú
(monitor output) jacks: phono jacks
D (video): 1 Vp-p, 75 ohms
≥
≥
(audio): 500 mVrms
Picture tube
14 in.
Tube size (cm)
37
Measured diagonally
Screen size (cm)
34
Measured diagonally
Dimensions (w/h/d, mm)
456
×
343
×
416
Mass (kg)
12
Design and specifications are subject to change without notice.
SPECIFICATIONS
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 SUPPLIMENTS
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.
– 3 –
TABLE OF CONTENTS
1. GENERAL
.......................................................................
4
2. DISASSEMBLY
2-1.
Rear Cover Removal ..............................................
8
2-2.
A Board Removal ...................................................
8
2-3.
Service Position ......................................................
8
2-4.
Replacement of Parts ..............................................
8
2-5.
Demagnetization Coil and Picture Tube Removal .
9
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing ......................................................... 10
3-2.
Convergence ........................................................... 11
3-3.
Focus Adjustment ................................................... 13
3-4.
G2 (Screen) and White Balance Adjustments ........ 13
4. SELF DIAGNOSIS FUNCTION
............................... 14
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustments with Commander ............................... 15
5-2.
Adjustment Method ................................................ 16
5-3.
A Board Adjustment after IC003 (Memory)
Replacement ............................................................ 20
Replacement ............................................................ 20
5-4.
Picture Distortion Adjustment ................................ 20
Section
Title
Page
Section
Title
Page
6. DIAGRAMS
6-1.
Block Diagram ........................................................ 21
6-2.
Circuit Boards Location ......................................... 24
6-3.
Schematic Diagrams and Printed Wiring Boards .. 24
(1)
Schematic Diagram of A Board .............................. 29
(2)
Schematic Diagram of C Board .............................. 32
6-4.
Semiconductors ....................................................... 33
7. EXPLODED VIEWS
7-1.
Chassis .................................................................... 35
8. ELECTRICAL PARTS LIST
...................................... 36
– 4 –
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts from the
Operating Instr uctions Manual. The page numbers of the Operating
Instruction Manual remain as in this manual.
Operating Instr uctions Manual. The page numbers of the Operating
Instruction Manual remain as in this manual.