Sony KV-PF21DK7 Service Manual ▷ View online
KV-PF21DK7
RM-952
ME
SCC-U30G-A
KV-PF21M70
RM-952
E
SCC-U13E-A
KV-PF21N70
RM-915
Taiwan
SCC-P13F-A
KV-PF21P70
RM-952
E
SCC-U13F-A
KV-PF21Q40
RM-952
GE
SCC-U12P-A
KV-PF21Q70
RM-952
E
SCC-U13H-A
KV-PF51P40
RM-952
Indonesia
SCC-U20N-A
MODEL
COMMANDER DEST. CHASSIS NO.
CHASSIS
TRINITRON
®
COLOR TV
SERVICE MANUAL
BG-3S
MODEL
COMMANDER DEST.
CHASSIS NO.
RM-915
RM-952
– 2 –
KV-PF21N70/PF51P40/PF21P70/PF21Q40
RM-915
RM-952
RM-952
RM-952
KV-PF21Q70/PF21M70/PF21DK7
RM-952
RM-952
RM-952
SPECIFICATIONS
(except KV-PF21N70)
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 SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL
COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.
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. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL
COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.
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
KV-PF21M70
B/G, D/K
KV-PF21DK7
B/G
KV-PF21P70/PF21Q70
KV-PF21Q40/PF21P40
KV-PF21Q40/PF21P40
Color system
PAL, PAL60, SECAM, NTSC4.43, NTSC3.58
KV-PF21M70
PAL, PAL60, NTSC4.43, NTSC3.58 (AV IN)
KV-PF21P70/PF21P40
PAL, PAL60, SECAM, NTSC4.43
KV-PF21Q70/PF21Q40
KV-PF21DK7
KV-PF21DK7
Channel coverage
B/G
VHF : E2 to E12/ UHF : E21 to E69/
CATV : S01 to S03, S1 to S41
CATV : S01 to S03, S1 to S41
I
UHF : B21 to B68/ CATV : S01 to S03, S1 to S41
KV-PF21M70 only
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
CATV: S01 to S03, S1 to S41, Z1 to Z39
KV-PF21M70/PF21DK7
M
VHF : A2 to A3/ 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
KV-PF21M70 only
˘
(Antenna)
75-ohm external terinal
Audio output
3W
Number of terminal
(Video)
Input : 2
Output : 1
Phono jacks; 1 Vp-p, 75 ohms
(Audio)
Input : 2
Output : 1
Phono jacks; 500 mVrms
(Earphone)
Output : 1
Minijack
Picture tube
21 inch
Tube size (cm)
54
Measured diagonally
Screen size (cm)
51
Measured diagonally
Dimension (w/h/d, mm)
490 x 458 x 487
Mass (kg)
25
Design and specifications are subject to change without notice.
– 3 –
KV-PF21N70/PF51P40/PF21P70/PF21Q40
RM-915
RM-952
RM-952
RM-952
KV-PF21Q70/PF21M70/PF21DK7
RM-952
RM-952
RM-952
SPECIFICATIONS
(KV-PF21N70 only)
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 SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL
COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.
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. CIRCUIT ADJUSTMENTS THAT ARE
CRITICAL TO SAFE OPERATION ARE IDENTIFIED IN THIS
MANUAL. FOLLOW THESE PROCEDURES WHENEVER CRITICAL
COMPONENTS ARE REPLACED OR IMPROPER OPERATION IS
SUSPECTED.
Note
Power requirements
110V AC, 50/60 Hz
Power consumption (W)
Indicated on the rear of the TV
Television system
M
Color system
PAL, PAL60, NTSC4.43, NTSC3.58 (AV IN)
Channel coverage
M
VHF : A2 to A13/ UHF : A14 to A69/
CATV : A-8 to A-1, A-W, W+1 to W+84
CATV : A-8 to A-1, A-W, W+1 to W+84
˘
(Antenna)
75-ohm external terinal
Audio output
3W
Number of terminal
(Video)
Input : 2
Output : 1
Phono jacks; 1 Vp-p, 75 ohms
(Audio)
Input : 2
Output : 1
Phono jacks; 500 mVrms
(Earphone)
Output : 1
Minijack
Picture tube
21 inch
Tube size (cm)
54
Measured diagonally
Screen size (cm)
51
Measured diagonally
Dimension (w/h/d, mm)
490 x 458 x 487
Mass (kg)
25
Design and specifications are subject to change without notice.
@
– 4 –
KV-PF21N70/PF51P40/PF21P70/PF21Q40
RM-915
RM-952
RM-952
RM-952
KV-PF21Q70/PF21M70/PF21DK7
RM-952
RM-952
RM-952
TABLE OF CONTENTS
Section
Title
Page
SELF DIAGNOSIS FUNCTION
................................
4
1. GENERAL ..........................................................
9
2. DISASSEMBLY
2-1.
Rear Cover Removal ................................................ 35
2-2.
Chassis Assy Removal ............................................. 35
2-3.
F Bracket Removal .................................................. 35
2-4.
Service Position ....................................................... 35
2-5.
Replacement of Parts ............................................... 36
2-5-1.
Replacement of Control Button .......................
36
2-5-2.
Replacement of Bar Control ............................
36
2-6.
Terminal Bracket Removal ...................................... 36
2-7.
Degauss Coil Removal ............................................ 36
2-8.
Picture Tube Removal .............................................. 37
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing .......................................................... 38
3-2.
Convergence ............................................................. 39
3-3.
Focus Adjustment .................................................... 41
3-4.
G2 (Screen) and White Balance Adjustments ......... 41
4. CIRCUIT ADJUSTMENTS
4-1.
Adjustments with Commander ................................ 42
4-2.
Adjustment Method ................................................. 43
4-3.
Picture Quality Adjustments .................................... 48
4-4.
A Board Adjustment After IC003 (Memory)
Replacement ............................................................. 48
Replacement ............................................................. 48
4-5.
Picture Distortion Adjustment ................................. 49
Section
Title
Page
5. DIAGRAMS
5-1
Block Diagram ......................................................... 51
5-2
Frame Schematic Diagram ...................................... 54
5-3
Circuit Boards Location .......................................... 56
5-4
Schematic Diagrams and Printed Wiring Boards ... 57
(1)
Schematic Diagram of A(1/2) Board ...................... 59
(2)
Scheamtic Diagram of A(2/2) Board ...................... 63
(3)
Schematic Diagrams of C3 and F Boards ............... 71
5-5
Semicondutors ......................................................... 75
6. EXPLODED VIEW
6-1.
Chassis ..................................................................... 77
7. ELECTRICAL PARTS LIST
...................................
79