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SONY IFBG90E
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of SONY IFBG90E Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Table of Contents
    1. CIRCUIT ADJUSTMENTS
      1. POWER BLOCK
        1. DC (+) Adjustment
        2. +115 V Adjustment
        3. +200 V Adjustment
        4. Oscillating Frequency Adjustment
      2. BA BOARD ADJUSTMENT
        1. Picture Control Adjustment
        2. Signal Level Adjustment
        3. Analog Test Signal Amplitude Adjustment
        4. ABL Adjustment
      3. CAR/CAG/CAB BOARDS ADJUSTMENT
        1. Preparation Before Adjustments
        2. Pedestal Level Adjustment
        3. CRT Protector Adjustment
        4. Cathode Level Adjustment
        5. G1 Level Adjustment
        6. VPS Limiter Adjustment
      4. DA/DB/DD BOARDS ADJUSTMENTS
        1. F/V Voltage Adjustment (DA Board)
        2. AFC Adjustment (DA Board)
        3. V Hold Adjustment (DA Board)
        4. H Parabola Waveform Adjustment (DA Board)
        5. H SIN Adjustment (DA Board)
        6. H SIN X VP Waveform Adjustment (DB Board)
        7. H SIN X V SIN Waveform Adjustment (DB Board)
        8. HS X VS Waveform Adjustment (DB Board)
        9. HP X V SIN Waveform Adjustment (DB Board)
        10. 1/2 SIN 1 Waveform Adjustment (DB Board)
        11. 1/2 SIN 2 Waveform Adjustment (DB Board)
        12. HS X VS Waveform Adjustment (DB Board)
        13. HP X VS Waveform Adjustment (DB Board)
        14. B KEY Waveform Adjustment (DB Board)
        15. T KEY Waveform Adjustment (DB Board)
        16. 1/2 H Switching Waveform Adjustment (DA/DB Boards)
        17. D/A Converter Offset Adjustment (DD Board)
      5. VCO OFFSET/LIMITER ADJUSTMENT
      6. YA BOARD REPLACEMENT
        1. Replacement Procedure
        2. Uploading Program (Emergency Mode)
        3. Creating Factory Data
        4. Creating Service Data
    1. OPERATING INSTRUCTIONS
      • Operation Instruction
      • Installation Manual for Dealers
    1. SERVICE INFORMATION
      1. CIRCUIT BOARDS LOCATION
        1. Location 1
        2. Location 2
        3. Location 3
      2. DISASSEMBLY
        1. Hood Removal
        2. Cover Removal
        3. Opening ED Block
        4. DC Board Removal
        5. EC Board Removal
        6. ED Board Removal
        7. E Board Removal
        8. Remote Commander Removal
        9. CB, CG and CR Blocks Removal
        10. DA, DB, DD, DE and DF Boards Removal
        11. EBH and EBQ Boards Removal
        12. HVB Block and High - Voltage Cable Removal
        13. DC Fan Removal
        14. PA and PD Boards Removal
        15. MD Board Removal
        16. HVF Block Removal
        17. BA and YA Boards Removal
        18. BC, F and ME Boards Removal
        19. EBB, EBG, EBR and PE Boards Removal
        20. GA and GB Boards Removal
        21. Lens Removal
          • (1) Picture Tube Removal
          • (2) Picture Tube Installation
        1. MA, MB and MC Boards Removal
        2. M Board Removal
        3. Extension Board
      1. ERROR CODE
        1. Warning Code on 7 - Segment LED
        2. Protector Code on 7 - Segment LED
        3. Error Code on 7 - Segment LED
      2. MEMORY ACCESS SYSTEM
        1. Memory Structure
        2. Various Memory Data
      3. MEMORY DATA RESET
    1. SET - UP ADJUSTMENTS
      1. PRECAUTIONS UPON ADJUSTMENT
      2. ATTACHING THE NECK ASSEMBLY
      3. ADJUSTING CONDITIONS
        1. Projecting System
        2. CRT Convergence Angle Check
      4. FOCUS ADJUSTMENT
        1. Preparations
        2. Focus Rough Adjustment
        3. DY Angle Adjustment
        4. MG FOCUS Coil Angle Adjustment
        5. 64 kHz Signal Registration Rough Adjustment
        6. RED/GREEN/BLUE Focus Adjustment
        7. Zenith Angle Adjustment
        8. HWC (H Width Coil) Adjustment
        9. Video Size Adjustment
        10. MG FOCUS Adjustment for 31.5 kHz Signal
        11. VIDEO Block MG FOCUS Adjustment
        12. MG FOCUS Adjustment for 64 kHz and 106 kHz Signals
        13. Adjustment of Other Frequencies
      5. REGISTRATION ADJUSTMENT
        1. INPUT MEMORY No. 0 Adjustment
        2. INPUT MEMORY No. 3 Adjustment
        3. INPUT MEMORY No. 5 Adjustment
        4. INPUT MEMORY No. 8 Adjustment
        5. Horizontal/Vertical Reverse Mode Centering Adjustment
      6. WHITE BALANCE ADJUSTMENT
        1. Preparations
        2. Color Temperature Adjustment with a Test Signal Generator
        3. Color Temperature Adjustment with No Test Signal Generator
      7. SIZE/SHIFT BLKG ADJUSTMENT
        1. SIZE/SHIFT/BLKG of Video/HDTV Adjustment
        2. Video Memory SIZE/SHIFT/BLKG Adjustments
      8. HIGH VOLTAGE SCREEN DISTORTION ADJUSTMENT
      9. PROCEDURE AFTER COMPLETING ADJUSTMENTS
    2. SAFETY RELATED ADJUSTMENT
      1. PA BOARD HV REGULATOR/HV PROTECTOR ADJUSTMENT
      2. CRT PROTECTOR ADJUSTMENT
    1. SEMICONDUCTORS
    2. EXPLODED VIEWS
      1. HOOD AND COVER BLOCK
      2. ED BLOCK
      3. HVF BLOCK
      4. CHASSIS BLOCK 1
      5. REAR BLOCK
      6. PICTURE TUBE BLOCK
      7. CHASSIS BLOCK 2
      8. BASE BLOCK
    3. ELECTRICAL PARTS LIST
      • Note: IFB - G90E Corresponds to the BD BOARD
    1. BLOCK DIAGRAMS
      • BA (1/3)
      • BA (2/3)
      • BD (Except VPH - G90E)
      • BA (3/3)
      • BB
      • BC
      • YA (1/4)
      • YA (2/4)
      • YA (3/4)
      • YB
      • YA (4/4)
      • DA
      • DB
      • DC
      • NA
      • DD (1/2)
      • DD (2/2)
      • DE (1/2)
      • DE (2/2)
      • DF
      • F
      • GA
      • GAA
      • GB
      • GBA
      • GBB
      • GC
    • L
    • ME
    • E
    • EA
    • ED
    • EBH
    • EBQ
    • EBR
    • EBG
    • EBB
    • PA
    • PB
    • MD
    • NB
    • PD
    • PE
    • CAR
    • CAG
    • CAB
    • CBR
    • CBG
    • CBB
    • CDR
    • CDG
    • CDB
    1. DIAGRAMS
      1. FRAME SCHEMATIC DIAGRAMS
      2. SCHEMATIC DIAGRAMS/PRINTED WIRING BOARDS
      • SCHEMATIC DIAGRAMS
    • BD
    • BA
    • BB
    • BC
    • YA
    • YB
    • DA
    • DB
    • NA
    • DC
    • DD
    • DE
    • DF
    • L
    • E
    • ED
    • EA
    • PA
      • PB
      • PD
      • NB
      • PE
      • EBA
      • EEC
      • EBB
      • EBG
      • EBR
      • EBH
      • EBQ
      • CAB
      • CBB
      • CDB
      • CAG
      • CBG
      • CDG
      • CAR
      • CBR
      • CDR
      • F
      • GA
      • GAA
      • GB
      • GBA
      • GBB
      • GC
      • M
      • MA
      • MB
      • MC
      • MD
      • EC
      • ME
    • PRINTED WIRING BOARDS
      • BD
      • BA
      • BB
      • BC
      • YA
      • YB
      • DA
      • DB
      • DC
      • NA
      • DD
      • DE
      • DF
      • L
      • E
    • ED
    • EA
    • PA
    • PB
    • PD
    • NB
    • PE
    • EBA
    • EBC
    • EBB
    • EBG
    • EBR
    • EBH
    • EBQ
    • CAB
    • CBB
    • CDB
    • CAG
    • CBG
    • CDG
    • CAR
    • CBR
    • CDR
    • F
    • GA
    • GAA
    • GB
    • GBA
    • GBB
    • GC
    • M
    • MA
    • MB
    • MC
    • MD
    • EC
    • ME
    • OVERVIEW
      • Precautions
      • Features
      • Location and Function of Controls
        • Front
        • Rear
        • Remote Commander/Control Panel
    • PROJECTING
      • Projecting
      • Adjusting the Picture
      • Centering Adjustment
      • Adjusting the Size and Shift of the Picture
        • SIZE Adjustment
        • SHIFT Adjustment
        • Blanking Adjustment
    • ADJUSTMENTS AND SETTINGS USING THE MENU
      • Using the Menu
        • Basic Menu Operation
        • Menu Modes
      • The PIC CTRL (Picture Control) Menu
      • The PIC SETTING 1 (Picture Setting 1) Menu
      • The PIC SETTING 2 (Picture Setting 2) Menu
      • The INPUT SETTING Menu
      • The SET SETTING 1 Menu
      • The SET SETTING 2 Menu
      • The INPUT INFO (Information) Menu
      • The SET INFO (Information) Menu
    • INSTALLATION/CONNECTION EXAMPLES
      • Installation Examples
        • Installation 1: Floor Installation Using Front Projection Flat Screen
        • Installation 2: Ceiling Installation Using Front Projection Flat Screen
      • Connection Examples
        • Connecting Directly to the Projector
        • Connecting Multiple Projectors
        • Using the PC - 3000 Signal Interface Switcher
        • Confirming the System Construction
        • Using the PC - 1271/1271M Signal Interface Switcher
      • Setting the Index Numbers
    • MAINTENANCE/OTHER
      • Troubleshooting
      • Specifications
      • Index
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Text excerpt from page 189 (click to view)
3-7-2. Video Memory SIZE/SHIFT/BLKG Adjustments
1. Input the monoscope signal to VIDEO IN. 2. Press the INPUT SELECT VIDEO key to project the monoscope signal on the screen. 3. Select VIDEO MEMORY 1 using the SWITCHER/ VIDEO MEMORY/INDEX changing switch and the SWITCHER/VIDEO MEMORY/INDEX key. 4. Press the RGB SHIFT key and adjust the center of the monoscope signal to the screen center using the ↑, ↓, ← and → keys. 5. Press the RGB SIZE key and adjust the horizontal and vertical sizes of the monoscope signal to 4:3 using the ↑, ↓, ← and → keys. 6. Press the BLKG key to adjust the screen top blanking to the position 40 ± 10 mm outside the effective screen using ↑ and ↓ keys. 7. Press the MEMORY key. 8. Store the data of VIDEO MEMORY 1 to VIDEO MEMORY 2 to 5, too. 9. Select VIDEO MEMORY 6. 10. Press the RGB SHIFT key and adjust the center of the monoscope signal to the screen center using the ↑, ↓, ← and → keys. 11. Press the RGB SIZE key and adjust the horizontal and vertical sizes of the monoscope signal to 4:3 using the ↑, ↓, ← and → keys. 12. Press the BLKG key to adjust the screen top blanking to the position 40 ± 10 mm outside the effective screen using ← and → keys. 13. Store the data of VIDEO MEMORY 6 to VIDEO MEMORY 7_10, too.

3-8. HIGH VOLTAGE SCREEN DISTORTION ADJUSTMENT
1. Select INPUT A and input the fH = 64 kHz RGB stripe signal to the RGB terminals. 2. Press CONTR (+) and BRIGHT (+) to set the contrast and bright levels to the maximum. 3. Adjust RV1 of the EA board so that the left and right vertical lines of the stripes can be straight.

NG

OK

3-9. PROCEDURE AFTER COMPLETING ADJUSTMENTS
After completing all adjustment, change the dip switch S201-1 on the YA board from “OFF (right)” to “ON (left)” to save the adjustment data in the memory.

VPH-G90E/G90U/G90M

3-19

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