Read Sony KV-J14KD7 Service Manual online
MODEL
COMMANDER DEST.
CHASSIS NO.
KV-J14KD7
RM-883 Vietnam
SCC-K26T-A
KV-J14KF7
RM-883 Vietnam
SCC-K26U-A
SERVICE MANUAL
MODEL
COMMANDER DEST. CHASSIS NO.
TRINITRON
®
COLOR TV
BG-1S (D)
<REFINE>
CHASSIS
– 2 –
KV-J14KD7/J14KF7
RM-883
SPECIFICATIONS
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.
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 SUP-
PLEMENTS 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 SUP-
PLEMENTS PUBLISHED BY SONY.
Note
Power requirements
110-240 V AC, 50/60 Hz
Power consumption (W)
Indicated on the rear of the TV
Television system
B/G, D/K
Color system
PAL, PAL 60, NTSC4.43, NTSC3.58 (AV IN)
Channel coverage
B/G
VHF: E2 to E12/UHF: E21 to E69/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
Audio output (speaker)
4W
KV-J14KD7
3W + 3W
KV-J14KF7
Inputs
Antenna: 75 ohms
VIDEO IN jacks: phono jacks
Video: 1 Vp-p, 75 ohms
Audio: 500 mVrms, high impedance
Outputs
Earphone jack: minijack
KV-J14KD7
Headphone jack: minijack
KV-J14KF7
MONITOR OUT jacks: phono jacks
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.
– 3 –
KV-J14KD7/J14KF7
RM-883
TABLE OF CONTENTS
1. GENERAL
....................................................................
4
2. DISASSEMBLY
2-1.
Rear Cover Removal ............................................
11
2-2.
A Board Removal ................................................
11
2-3.
Service Position ...................................................
11
2-4.
Replacement of Parts ...........................................
12
2-5.
Demagnetization Coil Removal ..........................
12
2-6.
Picture Tube Removal ..........................................
13
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing ......................................................
14
3-2.
Convergence .........................................................
15
3-3.
Focus Adjustment ................................................
17
3-4.
G2 (Screen) and White Balance Adjustments .....
17
4. SELF DIAGNOSIS FUNCTION
............................
18
5. CIRCUIT ADJUSTMENTS
5-1.
Adjustments with Commander ............................
19
5-2.
Adjustment Method .............................................
20
5-3.
A Board Adjustment after IC003 (Memory)
Replacement.........................................................
Replacement.........................................................
23
5-4.
Picture Distortion Adjustment .............................
23
6. DIAGRAMS
6-1.
Block Diagram ......................................................
25
6-2.
Circuit Boards Location .......................................
27
6-3.
Schematic Diagrams and Printed Wiring Boards .
27
(1)
Schematic Diagram of A Board ............................
31
(2)
Schematic Diagrams of A11, A12 and C Boards .
35
6-4.
Semiconductors .....................................................
39
7. EXPLODED VIEW
7-1.
Chassis ..................................................................
41
8. ELECTRICAL PARTS LIST
....................................
43
Section
Title
Page
Section
Title
Page
– 4 –
KV
-J14KD7/J14KF7
-J14KD7/J14KF7
RM-883
SECTION 1
GENERAL
The operating instructions mentioned here are partial abstracts from the
Operating Instructions Manual. The page numbers of the Operating
Instruction Manual remain as in this manual.
Operating Instructions Manual. The page numbers of the Operating
Instruction Manual remain as in this manual.
2
MONITOR
OUT
AUDIO
VIDEO
VIDEO
IN
3
2
1
3
TV SYSTEM
AUTO PROGR
B/G
I
D/K
M
TV SYSTEM
AUTO PROGR
B/G
D/K
TV SYSTEM