VPH-G90U
US/CND
SCC-K81D-A
VPH-G90E
AEP
SCC-K82E-A
VPH-G90M
E
SCC-N96A-A
RM-PJ1001
World
PSS-90
World
IFB-G90E
AEP
SERVICE MANUAL
MULTISCAN PROJECTOR
MODEL
DEST.
CHASSIS NO.
...............
.........
.....................
MODEL
DEST.
WARNING!!
AN ISOLATIONTRANSFORMER SHOULD BE USED DURING ANY
SERVICE TO AVOID POSSIBLE SHOCK HAZARD, BECAUSE OF
LIVE CHASSIS.
THE CHASSIS OF THIS RECEIVER IS DIRECTLY CONNECTEDTO
THE AC POWER LINE.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY 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.
ATTENTION!!
AFIN D'EVITER TOUT RISQUE D'ELECTROCUTION PROVENANT
D'UN CHÁSSIS SOUS TENSION, UN TRANSFORMATEUR
D'ISOLEMENT DOIT ETRE UTILISÉ LORS DE TOUT DÉPANNAGE.
LE CHÁSSIS DE CE RÉCEPTEUR EST DIRECTEMENT
RACCORDÉ À L'ALIMENTATION SECTEUR.
ATTENTION AUX COMPOSANTS RELATIFS À LA
SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÈS PAR UNE TRAME ET PAR UNE
MARPUE !
!
!
!
! SUR LES SCHÉMAS DE PRINCIPE, LES VUES
EXPLOSÉES ET LES LISTES DE PIECES CONT D'UNE
IMPORTANCE
CRITIQUE
PUR
LA
SÉCURITÉ
DU
FONCTIONNEMENT. NE LES REMPLACER QUE PAR DES
COMPOSANTS SONY DONT LE NUMÉRO DE PIÉCE EST INDIQUÉ
DANS LE PRÉSENT MANUEL OU DANS DES SUPPLÉMENTS
PUBLIÉS PAR SONY. LES RÉGLAGES DE CIRCUIT DONT
L'IMPORTANCE EST CRITIQUE POUR LA SÉCURITÉ DU
FONCTIONNEMENT SONT IDENTIFIES DANS LE PRÉSENT
MANUEL. SUIVRE CES PROCÉDURES LORS DE CHAQUE
REMPLACEMENT
DE
COMPOSANTS
CRITIQUES,
OU
LORSQU'UN MAUVAIS FONCTIONNEMENT EST SUSPECTÉ.
! WARNING
This manual is intended for qualified service personnel
only.
To reduce the risk of electric shock, fire or injury, do not
perform any servicing other than that contained in the
operating instructions unless you are qualified to do so.
Refer all servicing to qualified service personnel.
1
VPH-G90E/G90U/G90M
TABLE OF CONTENTS
1.
OPERATING INSTRUCTIONS
Operation Instruction ............................................................................................... 1-1
Installation Manual for Dealers ............................................................................. 1-33
2.
SERVICE INFORMATION
2-1. CIRCUIT BOARDS LOCATION ................................................................. 2-1
2-1-1.
Location 1 ............................................................................................... 2-1
2-1-2.
Location 2 ............................................................................................... 2-1
2-1-3.
Location 3 ............................................................................................... 2-2
2-2. DISASSEMBLY ............................................................................................ 2-3
2-2-1.
Hood Removal ........................................................................................ 2-3
2-2-2.
Cover Removal ....................................................................................... 2-4
2-2-3.
Opening ED Block ................................................................................. 2-5
2-2-4.
DC Board Removal ................................................................................ 2-5
2-2-5.
EC Board Removal ................................................................................. 2-6
2-2-6.
ED Board Removal ................................................................................. 2-7
2-2-7.
E Board Removal ................................................................................... 2-7
2-2-8.
Remote Commander Removal ............................................................... 2-8
2-2-9.
CB, CG and CR Blocks Removal ........................................................... 2-9
2-2-10. DA, DB, DD, DE and DF Boards Removal ......................................... 2-10
2-2-11. EBH and EBQ Boards Removal ........................................................... 2-10
2-2-12. HVB Block and High-voltage Cable Removal .................................... 2-11
2-2-13. DC Fan Removal .................................................................................. 2-12
2-2-14. PA and PD Boards Removal ................................................................ 2-12
2-2-15. MD Board Removal ............................................................................. 2-13
2-2-16. HVF Block Removal ............................................................................ 2-14
2-2-17. BA and YA Boards Removal ............................................................... 2-15
2-2-18. BC, F and ME Boards Removal ........................................................... 2-16
2-2-19. EBB, EBG, EBR and PE Boards Removal .......................................... 2-17
2-2-20. GA and GB Boards Removal ............................................................... 2-18
2-2-21. Lens Removal ....................................................................................... 2-18
2-2-22. (1) Picture Tube Removal .................................................................... 2-19
2-2-22. (2) Picture Tube Installation ................................................................. 2-20
2-2-23. MA, MB and MC Boards Removal ...................................................... 2-21
2-2-24. M Board Removel ................................................................................ 2-23
2-2-25. Extension Board ................................................................................... 2-24
2-3. ERROR CODE ............................................................................................. 2-25
2-3-1.
Warning Code on 7-Segment LED ....................................................... 2-25
2-3-2.
Protector Code on 7-Segment LED ...................................................... 2-26
2-3-3.
Error Code on 7-Segment LED ............................................................ 2-27
2-4. MEMORY ACCESS SYSTEM ................................................................... 2-28
2-4-1.
Memory Structure ................................................................................. 2-28
2-4-2.
Various Memory Data .......................................................................... 2-29
2-5. MEMORY DATA RESET ........................................................................... 2-50
2
VPH-G90E/G90U/G90M
3.
SET-UP ADJUSTMENTS
3-1. PRECAUTIONS UPON ADJUSTMENT ..................................................... 3-1
3-2. ATTACHING THE NECK ASSEMBLY ...................................................... 3-1
3-3. ADJUSTING CONDITIONS ......................................................................... 3-1
3-3-1.
Projecting System ................................................................................... 3-1
3-3-2.
CRT Convergence Angle Check ............................................................ 3-2
3-4. FOCUS ADJUSTMENT ................................................................................ 3-3
3-4-1.
Preparations ............................................................................................ 3-3
3-4-2.
Focus Rough Adjustment ....................................................................... 3-3
3-4-3.
DY Angle Adjustment ............................................................................ 3-4
3-4-4.
MG FOCUS Coil Angle Adjustment ..................................................... 3-5
3-4-5.
64 kHz Signal Registration Rough Adjustment ..................................... 3-6
3-4-6.
RED/GREEN/BLUE Focus Adjustment ................................................ 3-7
3-4-7.
Zenith Angle Adjustment ....................................................................... 3-8
3-4-8.
HWC (H Width Coil) Adjustment .......................................................... 3-9
3-4-9.
Video Size Adjustment ........................................................................... 3-9
3-4-10. MG FOCUS Adjustment for 31.5 kHz Signal ...................................... 3-10
3-4-11. VIDEO Block MG FOCUS Adjustment .............................................. 3-11
3-4-12. MG FOCUS Adjustment for 64 kHz and 106 kHzSignals ................... 3-11
3-4-13. Adjustment of Other Frequencies ......................................................... 3-11
3-5. REGISTRATION ADJUSTMENT .............................................................. 3-12
3-5-1.
INPUT MEMORY No. 0 Adjustment .................................................. 3-12
3-5-2.
INPUT MEMORY No. 3 Adjustment .................................................. 3-13
3-5-3.
INPUT MEMORY No. 5 Adjustment .................................................. 3-13
3-5-4.
INPUT MEMORY No. 8 Adjustment .................................................. 3-14
3-5-5.
Horizontal/Vertical Reverse Mode Centering Adjustment .................. 3-14
3-6. WHITE BALANCE ADJUSTMENT .......................................................... 3-15
3-6-1.
Preparations .......................................................................................... 3-15
3-6-2.
Color Temperature Adjustment with a Test Signal Generator ............. 3-16
3-6-3.
Color Temperature Adjustment with No Test Signal Generator .......... 3-18
3-7. SIZE/SHIFT BLKG ADJUSTMENT .......................................................... 3-18
3-7-1.
SIZE/SHIFT/BLKG of Video/HDTV Adjustment .............................. 3-18
3-7-2.
Video Memory SIZE/SHIFT/BLKG Adjustments ............................... 3-19
3-8. HIGH VOLTAGE SCREEN DISTORTION ADJUSTMENT .................... 3-19
3-9. PROCEDURE AFTER COMPLETING ADJUSTMENTS ........................ 3-19
4.
SAFETY RELATED ADJUSTMENT
4-1. PA BOARD HV REGULATOR/HV PROTECTOR ADJUSTMENT ......... 4-1
4-2. CRT PROTECTOR ADJUSTMENT ............................................................. 4-2
3
VPH-G90E/G90U/G90M
5.
CIRCUIT ADJUSTMENTS
5-1. POWER BLOCK ........................................................................................... 5-1
5-1-1.
DC (
+) Adjustment ................................................................................ 5-1
5-1-2.
+115 V Adjustment ................................................................................ 5-1
5-1-3.
+200 V Adjustment ................................................................................ 5-1
5-1-4.
Oscillating Frequency Adjustment ......................................................... 5-1
5-2. BA BOARD ADJUSTMENT ........................................................................ 5-2
5-2-1.
Picture Control Adjustment .................................................................... 5-2
5-2-2.
Signal Level Adjustment ........................................................................ 5-2
5-2-3.
Analog Test Signal Amplitude Adjustment ........................................... 5-3
5-2-4.
ABL Adjustment .................................................................................... 5-3
5-3. CAR/CAG/CAB BOARDS ADJUSTMENT ................................................ 5-3
5-3-1.
Preparation Before Adjustments ............................................................. 5-3
5-3-2.
Pedestal Level Adjustment ..................................................................... 5-3
5-3-3.
CRT Protector Adjustment ..................................................................... 5-3
5-3-4.
Cathode Level Adjustment ..................................................................... 5-4
5-3-5.
G1 Level Adjustment ............................................................................. 5-4
5-3-6.
VPS Limiter Adjustment ........................................................................ 5-5
5-4. DA/DB/DD BOARDS ADJUSTMENTS ...................................................... 5-5
5-4-1.
F/V Voltage Adjustment (DA Board) .................................................... 5-5
5-4-2.
AFC Adjustment (DA Board) ................................................................ 5-5
5-4-3.
V Hold Adjustment (DA Board) ............................................................ 5-5
5-4-4.
H Parabola Waveform Adjustment (DA Board) .................................... 5-6
5-4-5.
H SIN Adjustment (DA Board) .............................................................. 5-6
5-4-6.
H SIN
x VP Waveform Adjustment (DB Board) .................................. 5-6
5-4-7.
H SIN
x V SIN Waveform Adjustment (DB Board) ............................. 5-7
5-4-8.
HS
x VS Waveform Adjustment (DB Board) ....................................... 5-7
5-4-9.
HP
x V SIN Waveform Adjustment (DB Board) .................................. 5-7
5-4-10. 1/2 SIN1 Waveform Adjustment (DB Board) ........................................ 5-7
5-4-11. 1/2 SIN2 Waveform Adjustment (DB Board) ........................................ 5-7
5-4-12. HS
x VS Waveform Adjustment (DB Board) ....................................... 5-8
5-4-13. HP
x VS Waveform Adjustment (DB Board) ....................................... 5-8
5-4-14. B KEY Waveform Adjustment (DB Board) .......................................... 5-8
5-4-15. T KEY Waveform Adjustment (DB Board) ........................................... 5-8
5-4-16. 1/2H Switching Waveform Adjustment (DA/DB Boards) ..................... 5-8
5-4-17. D/A Converter Offset Adjustment (DD Board) ..................................... 5-8
5-5. VCO OFFSET/LIMITER ADJUSTMENT .................................................... 5-9
5-6. YA BOARD REPLACEMENT ..................................................................... 5-9
5-6-1.
Replacement Procedure .......................................................................... 5-9
5-6-2.
Uploading Program (Emergency Mode) .............................................. 5-10
5-6-3.
Creating Factory Data ........................................................................... 5-10
5-6-4.
Creating Service Data ........................................................................... 5-11
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