Sony KV-36FS70 Service Manual ▷ View online
1
SERVICE MANUAL
AE-5A
CHASSIS
MODEL
COMMANDER
DEST
CHASSIS NO.
KV-36FS70
RM-892
Europe
SCC-Q41B-A
MODEL
COMMANDER
DEST
CHASSIS NO.
KV-36FS70K
RM-892
OIRT
SCC-Q42A-A
2
TABLE OF CONTENTS
Section
Title
Page
Section
Title
Page
Specifications
....................
3
Connectors
....................
4
Self Diagnostic Software
....................
5
1. GENERAL
Using the TV menu system
....................
8
Tuning your TV
....................
9
Finding your Video Channel
....................
9
NexT View
....................
11
Teletext
....................
13
Specifications
....................
14
Troubleshooting
....................
14
2. DISASSEMBLY
2-1.
Rear Cover Removal
....................
15
2-2.
Speaker Connector
....................
15
2-3.
Chassis Removal
....................
15
2-4.
Service Position
....................
16
2-5.
D1 Board Removal
....................
16
2-6.
J Board Removal
....................
16
2-7.
B3 Board Removal
....................
16
2-8.
Picture Tube Removal
....................
17
Bottom Plates
....................
18
3. SET-UP ADJUSTMENTS
3-1.
Beam Landing
....................
19
3-2.
Convergence
....................
20
3-3.
Focus Adjustment
....................
22
3-4.
Screen (G2), White Balance
....................
22
4. CIRCUIT ADJUSTMENTS
4-1.
Electrical Adjustments
....................
23
4-2.
Vol Electrical Adjustments
....................
27
4-3.
Test Mode 2
....................
28
5. DIAGRAMS
5-1.
Block Diagram (1)
....................
29
Block Diagram (2)
....................
33
Block Diagram (3)
....................
37
Block Diagram (4)
....................
41
5-2.
Circuit Board Location
....................
44
5-3.
Schematic Diagrams and
Printed Wiring Boards
Printed Wiring Boards
....................
44
* F Board
....................
45
* H1 Board
....................
45
* F1 Board
....................
45
* E Board
....................
47
* M Board
....................
51
* D1 Board
....................
54
* D Board
....................
61
* A Board
....................
64
* J Board
....................
73
* C Board
....................
79
* U Board
....................
81
* BK Board
....................
83
* B3 Board
....................
86
* VM Board
....................
104
5-4.
Semiconductors
....................
104
5-5.
IC Blocks
....................
104
6. EXPLODED VIEWS
6-1.
Chassis
....................
108
6-2.
Picture Tube
....................
110
7. ELECTRICAL PARTS LIST
....................
111
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.
ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR THE
CARBON PAINTED ON THE CRT, AFTER REMOVAL OF THE
ANODE CAP.
WARNING !!
AN ISOLATION 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.
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.
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.
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.
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 SECURITÈ!!
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE
MARQUE
MARQUE
£
SUR LES SCHÈMAS DE PRINCIPE, LES VUES
EXPLOSÈES ET LES LISTES DE PIECES SONT D’UNE IMPOR-
TANCE 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.
TANCE 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.
4
21 pin connector
Connected
Not Connected (open) * at 20Hz - 20kHz
Pin No
1
2
4
Signal
Signal level
1
Audio output B
(right)
(right)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
Output impedence : Less than 1kohm*
2
Audio output B
(right)
(right)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
Output impedence : More than 10kohm*
3
Audio output A
(left)
(left)
Standard level : 0.5V rms
Output impedence : Less than 1kohm*
Output impedence : Less than 1kohm*
4
Ground (audio)
5
Ground (blue)
6
Audio input A
(left)
(left)
Standard level : 0.5V rms
Output impedence : More than 10kohm*
Output impedence : More than 10kohm*
7
Blue input
0.7 +/- 3dB, 75 ohms positive
8
Function select
(AV control)
(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
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
positive
12
Open
13
Ground (red)
14
Ground (blanking)
15
_
_
Red input
0.7 +/- 3dB, 75 ohms, positive
_
(S signal Chroma
input)
input)
0.3 +/- 3dB, 75 ohms, positive
16
Blanking input
(Ys signal)
(Ys signal)
High state (1-3V) Low state (0-0.4V)
Input impedence : 75 ohms
Input impedence : 75 ohms
17
Ground (video
output)
output)
18
Ground (video
input)
input)
19
Video output
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
20
_
_
Video input
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
_
Video input
Y (S signal)
Y (S signal)
1V +/- 3dB, 75ohms, positive sync 0.3V
(-3+10dB)
(-3+10dB)
21
Common ground
(plug, shield)
(plug, shield)
19
17
15
13
11
9
7
5
3
1
20
18
16
14
12
10
8
6
4
2
21
Rear Connection Panel
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0
S-Video
socket