background image
1
SERVICE MANUAL
FE-1 CHASSIS
MODEL
COMMANDER
DEST
CHASSIS NO.
MODEL
COMMANDER
DEST
CHASSIS NO.
SELF-DIAGNOSTIC FUNCTION
KV-25C5A RM-883 Italian SCC-Q06F-A
KV-25C5B RM-883 French SCC-Q02F-A
KV-25C5D RM-883 AEP
SCC-Q04F-A
KV-25C5E RM-883 Spanish SCC-Q05F-A
KV-25C5K RM-883 OIRT SCC-Q03G-A
KV-25C5R RM-883 OIRT SCC-Q03H-A
KV-29C5A RM-883 Italian SCC-Q06D-A
KV-29C5B RM-883 French SCC-Q02D-A
KV-29C5D RM-883 AEP
SCC-Q04D-A
KV-29C5E RM-883 Spanish SCC-Q05D-A
KV-29C5K RM-883 OIRT SCC-Q03C-A
KV-29C5R RM-883 OIRT SCC-Q03D-A
RM-883
PROGR
MENU
/
®
MICR OFILM
TRINITRON® COLOR TV


background image
2
KV-25C5/29C5
ITEM MODEL
Television System
Stereo System
Channel Coverage
Color System
Italian
B/G/H
GERMAN Stereo
ITALIA VHF : A-H2 (C) UHF : 21-69 PAL
B/G/H VHF : E2-E12 UHF : E21-E69
CABLE TV (1) : S1-S41
CABLE TV (2) : S01-S05, M1-M10, U1-U10
PAL
NTSC4.43, NTSC3.58
(VIDEO IN)
French
B/G/H, D/K, L, I
GERMAN/NICAM
Stereo
L VHF : F02-F10 UHF : F21-F60
CABLE : B-Q B/G/H VHF : E2-E12
UHF : E21-E69
CABLE TV (1) : S1-S41
CABLE TV (2) : S01-S05, M1-M10, U1-U10
ITALIA VHF : A-H2 (C) UHF : 21-69
I UHF : B21-B69
PAL, SECAM
NTSC4.43, NTSC3.58
(VIDEO IN)
AEP
B/G/H, D/K
GERMAN Stereo
PAL B/G/H VHF : E2-E12 UHF : E21-E69
CABLE TV (1) : S1-S41
CABLE TV (2) : S01-S05, M1-M10, U1-U10
ITALIA VHF : A-H2 (C) UHF : 21-69
D/K VHF : R01-R12 UHF : R21-R69
PAL, SECAM
NTSC4.43, NTSC3.58
(VIDEO IN)
Spanish
B/G/H, D/K
GERMAN/NICAM
Stereo
PAL B/G VHF : E2-E12 UHF : E21-E69
CABLE TV (1) : S1-S41
CABLE TV (2) : S01-S05, M1-M10, U1-U10
ITALIA VHF : A-H2 (C) UHF : 21-69
PAL, SECAM
NTSC4.43, NTSC3.58
(VIDEO IN)
OIRT
B/G/H, D/K
KV-25C5K/29C5K
GERMAN/NICAM
STEREO
KV-25C5R/29C5R
GERMAN STEREO
B/G/H VHF : E2-E12 UHF : E21-E69
CABLE TV (1) : S1-S41
D/K VHF : R01-R12 UHF : R21-R69
PAL, SECAM
NTSC4.43, NTSC3.58
(VIDEO IN)
MODEL
25C5A
25C5B
25C5D
25C5E
25C5K
25C5R
29C5A
29C5B
29C5D
29C5E
29C5K
29C5R
Power
Consumption
89W
97W
97W
97W
97W
97W
100.1W
108W
108W
108W
108W
108W
[PICTURE TUBE]
KV-25C5
Super Trinitron
Approx. 63cm (25 inches)
(Approx. 59cm picture measured
diagonally)
110 degree deflection
KV-29C5
Super Trinitron
Approx. 72cm (29 inches)
(Approx. 68cm picture measured
diagonally)
110 degree deflection
Input/Output Terminals
[REAR]
21-pin Euro connector (CENELEC standard).
-
Inputs for Audio and Video signals.
-
Inputs for RGB.
-
Outputs of TV Video and Audio signals.
21-pin Euro connector.
-
inputs for Audio and Video signals.
-
inputs for S Video.
-
outputs for Audio and Video signals (selectable).
Phono Jack
-
Outputs for Audio Signals
[FRONT]
Video input - phono jack
Audio inputs - phono jacks
S Video input 4 pin DIN
Headphone jacks : stereo minijack
Sound output
2 x 20W (Music Power)
Power requirements
220 - 240V
Dimensions
KV-25C5
Approx 717x507x494mm
KV-29C5
Approx 794x567x545mm
Weight
KV-25C5
Approx 33kg
KV-29C5
Approx 43kg
Supplied accessories
RM-883 Remote Commander (1)
IEC designated R6 battery (1)
Other features
NICAM*, FASTEXT, TOPTEXT
*(KV-25C5B/25C5E/25C5K/
29C5B/29C5E/29C5K only)
[RM-883]
Remote control system
infrared control
Power requirements
1.5V dc
1 battery IEC designation
R6 (size AA)
Dimensions
Approx 65x225x21mm (w/h/d)
Weight
Approx 157g (Not including battery)
Design and specifications are subject to change without notice.


background image
3
KV-25C5/29C5
Model Name
Item
KV-25C5A
KV-29C5A
KV-25C5B
KV-29C5B
KV-25C5D
KV-29C5D
KV-25C5E
KV-29C5E
KV-25C5K
KV-29C5K
KV-25C5R
KV-29C5R
Pal Comb
OFF
OFF
OFF
OFF
OFF
OFF
PIP
OFF
OFF
OFF
OFF
OFF
OFF
RGB Priority
OFF
OFF
OFF
ON
OFF
OFF
Woofer Box
OFF
OFF
OFF
OFF
OFF
OFF
Scart 1
ON
ON
ON
ON
ON
ON
Scart 2
ON
ON
ON
ON
ON
ON
Front in (3)
ON
ON
ON
ON
ON
ON
Scart 4
OFF
OFF
OFF
OFF
OFF
OFF
Projector
OFF
OFF
OFF
OFF
OFF
OFF
AKB in 16:9 mode
ON
ON
ON
ON
ON
ON
Norm B/G/H
ON
ON
ON
ON
ON
ON
Norm I
OFF
ON
OFF
OFF
OFF
OFF
Norm D/K
OFF
ONON
ONON
ON
Norm AUS
OFF
OFF
OFF
OFF
OFF
OFF
Norm L
OFF
ON
OFF
OFF
OFF
OFF
Norm SAT
OFF
OFF
OFF
OFF
OFF
OFF
Norm M
OFF
OFF
OFF
OFF
OFF
OFF
Teletext
ON
ON
ON
ON
ON
ON
Nicam Stereo
OFF
ON
OFF
ON
ON
OFF
Language Preset
Italian
French
German
Spanish
OIRT
OIRT


background image
4
KV-25C5/29C5
21 pin connector (
,
2 )
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
21
Pin No
1
2
4
Signal
Signal level
1
Audio output B
(right)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
2
Audio output B
(right)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
3
Audio output A
(left)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
4
Ground (audio)
5
Ground (blue)
6
Audio input A
(left)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
7
Blue input
0.7 +/- 3dB, 75 ohms positive
8
Function select
(AV control)
High state (9.5-12V) : Part mode
Low state (0-2V) : TV mode
Input impedence : More than 10K ohms
Input capacitance : Less than 2nF
9
Ground (green)
10
Open
11
Green
Green signal : 0.7 +/- 3dB, 75 ohms,
positive
12
Open
13
Ground (red)
14
Ground (blanking)
15
_
_
Red input
0.7 +/- 3dB, 75 ohms, positive
_
(S signal Chroma
input)
0.3 +/- 3dB, 75 ohms, positive
16
Blanking input
(Ys signal)
High state (1-3V) Low state (0-0.4V)
Input impedence : 75 ohms
17
Ground (video
output)
18
Ground (video
input)
19
Video output
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
20
_
_
Video input
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
_
Video input
Y (S signal)
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
21
Common ground
(plug, shield)
Pin No
Signal
Signal level
1
Ground
2
Ground
3
Y (S signal) input
1V+/- 3dB 75 ohm, positive Sync 0.3V -3/+10dB
4
C (S signal input
0.3V+/- 3dB 75 ohm, positive Sync
Connected
Not Connected (open)
* at 20Hz - 20kHz


background image
5
KV-25C5/29C5
TABLE OF CONTENTS
CAUTION
SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE
ANODE CAP
WARNING !!
AN ISOLATING TRANSFORMER SHOULD BE USED DURING ANY
SERVICE WORK TO AVOID POSSIBLE SHOCK HAZARD DUE TO
LIVE CHASSIS. THE CHASSIS OF THIS RECEIVER IS DIRECTLY
CONNECTED TO THE POWER LINE.
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARKED
ON
THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE
PARTS LIST ARE CRITICAL FOR SAFE OPERATION. REPLACE
THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
ATTENTION
APRES AVOIR DECONNECTE LE CAP DE'LANODE,
COURT-CIRCUITER L'ANODE DU TUBE CATHODIQUE ET
CELUI DE L'ANODE DU CAP AU CHASSIS METALLIQUE
DE L'APPAREIL, OU AU COUCHE DE CARBONE PEINTE
SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUBE
CATHODIQUE.
ATTENTION !!
AFIN D'EVITER TOUT RISQUE D'ELECTROCUTION PROVENANT
D'UN CHÁSSIS SOUS TENTION, UN TRANSFORMATEUR
D'ISOLEMENT DOIT ETRE UTILISÈ LORS DE TOUT DÈPANNAGE.
LE CHÁSSIS DE CE RÈCEPTEUR EST DIRECTMENT RACCORDÈ
Á L'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS Á LA
SÈCURITÈ !!
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE
MARQUE
SUR LES SCHÈMAS DE PRINCIPE, LES VUES
EXPLOSÈES ET LES LISTES DE PIECES SONT D'UNE IMPORTANCE
CRITIQUE POUR LA SÈCURITÈ DU FONCTIONNEMENT, NE LES
REMPLACER QUE PAR DES COMPSANTS SONY DONT LE NUMÈRO
DE PIÈCE EST INDIQUÈ DANS LE PRÈSENT MANUEL OU DANS
DES SUPPLÈMENTS PUBLIÈS PAR SONY.
Section
Title
Page
Section
Title
Page
1. GENERAL
Overview of TV buttons
.....................6
Using Select Mode
.....................6
Adjusting the Picture
.....................7
Adjusting the Sound
.....................7
Using the Sleep Timer
.....................8
Viewing Teletext
.....................8
Exchanging Programme Pos
.....................9
Manually Tuning the TV
.....................9
Fine-Tuning Channels
.....................10
Using Optional Equipment
.....................10
Troubleshooting
.....................11
Specifications
.....................11
2. DISASSEMBLY
2-1.
Rear Cover Removal
.....................12
2-2.
Chassis Assy Removal
.....................12
2-3.
Service Position
.....................13
2-4.
H1 Board Removal
.....................13
2-5.
S1 Board Removal
.....................13
2-6.
Picture Tube Removal
.....................14
2-7.
Removal and Replacement of the
Main - Bracket bottom plates
.....................15
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing
.....................16
3-2.
Convergence
.....................17
3-3.
Screen [G2] White Balance
.....................19
3-4.
Focus
.....................19
4. CIRCUIT ADJUSTMENTS
4-1.
Electrical Adjustments
.....................20
4-2.
Test Mode 2
.....................23
4-3.
FE-1 Self Diagnostic Software
.....................24
5. DIAGRAMS
5-1.
Block Diagram
.....................25
5-2.
Circuit Board Location
.....................32
5-3.
Schematic Diagrams and
Printed Wiring Boards
.....................32
*
S1 Board
.....................34
*
A Board
.....................41
*
VM Board (KV-29C5 only).....................46
*
C Board
.....................49
*
H1 Board
.....................51
5-4.
Semiconductors
.....................53
5-5.
IC Blocks
.....................55
6. EXPLODED VIEWS
6-1.
Chassis
.....................56
6-2.
Picture Tube
.....................57
7. ELECTRICAL PARTS LIST
.....................58