Service manual
Table Of Contents
- CONTENTS
- TO SERVICE PERSONNEL
- WARNING: CHEMICAL CONTENT NOTICE!
- WARNING: Laser Safety
- Laser Emitting conditions:
- Laser Diode Properties
- WARNING
- WARNING LOCATION: REAR PANEL
- Warning for power supply
- PREVENTION OF ELECTRO STATIC DISCHARGE
- LOCALE MANAGEMENT INFORMATION
- FRONT PANELS
- REMOTE CONTROL
- REAR PANELS
- SPECIFICATIONS
- DISASSEMBLY PROCEDURES
- SERVICE POSITION
- DIAGNOSTIC SOFTWARE
- 1. End User/Dealer Script Interface
- 2. Player Script Interface
- 3. Menu and Command Mode Interface
- 4. Nuclei Error Codes
- 5. Loop tests
- 5.1 Nucleus 900: Digital Audio Loop
- 5.2 Nucleus 901: Audio User Dealer Loop
- 5.3 Nucleus 902: Digital Video Loop
- 5.4 Nucleus 903: Digital Video VBI Loop
- 5.5 Nucleus 904: System Video Loop
- 5.6 Nucleus 905: System Video VBI Loop
- 5.7 Nucleus 906: Video User Dealer Loop
- 5.8 Nucleus 907: Video VBI User Dealer Loop
- 5.9 Nucleus 908: System Audio Loop Scart (Europe)
- 5.10 Nucleus 909: System Audio Loop CINCH (Nafta)
- FAULTFINDING TREES
- ALIGNMENTS
- CIRCUIT DESCRIPTION
- ABBREVIATION LIST
- IC DATA
- BLOCK DIAGRAM
- WIRING DIAGRAM
- PRINTED CIRCUIT BOARD
- SCHEMATIC DIAGRAM
- POWER SUPPLY P.C.B. (A,B,G models)
- DISPLAY
- FRONT AV INPUT
- IR AND STANDBY
- FRONT DV INPUT
- ANALOG P.C.B. (U model)
- ANALOG P.C.B. (A,B,G models)
- ANALOG: All in One 1
- ANALOG: All in One 2
- ANALOG: TUNER / DEMODULATOR
- ANALOG: IN /OUT 1
- ANALOG: IN /OUT 2
- ANALOG: IN /OUT 3
- ANALOG: IN /OUT 4
- ANALOG: SOUND PROCESSING
- ANALOG: FOLLOW ME
- ANALOG: VPS
- ANALOG: POWER SUPPLY
- ANALOG: AUDIO CONVERTER
- ANALOG: RGB- YUV- CONVERTER
- ANALOG: DIGITAL IN / OUT
- ANALOG: FAN CONTROL
- DVIO
- DIGITAL
- DIGITAL: VSM, BUFFER MEMORY AND BIT ENGINE INTERFACE
- DIGITAL: AV DECODER STI5508
- DIGITAL: AV DECODER MEMORY
- DIGITAL: VIDEO ENCODER, EMPRESS
- DIGITAL: VIP CVBS Y/ C VIDEO INPUT
- DIGITAL: ANALOG P. C. B. CONS. VIDEO IN / OUTPUT
- DIGITAL: PROGRESSIVE SCAN
- DIGITAL: PROGRESSIVE SCAN
- DIGITAL: POWER, CLOCK, AND RESET AUDIO CLOCK
- EXPLODED VIEW (U model)
- EXPLODED VIEW (A, B, G models)
- MECHANICAL PARTS
- EXPLODED VIEW (FRONT ASS’Y)
- MECHANICAL PARTS (Front Ass’y)
- MECHANICAL PARTS (Accessories)
DRX-1
DRX-1
51
DSW VIDEO PART CHECK
Start Diagnostic Software
and select Command mode
Gateway Test to Analog Board
Command: 700
NOK
- Check Analog Board
- Check IC 7100
NOK
- Check IC 7701
- Check IC 7200
- Check IC 7702
NOK
- Check IC 7200
- Check IC 7500
- Check IC 7100
NOK
- Check T7600, T7601, T7603
T7604, T7605 and T7606
- Check IC 7200
Color Bar ON Test
Command: 120
Check Red Video Out on pin 5 of con.1601
Check Green Video Out on pin 3 of con.1601
Check Blue Video Out on pin 1 of con.1601
Check CVBS Video Out on pin 11 of con.1601
Check Y-Video Out on pin 9 of con.1601
Check C-Video Out on pin 7 of con.1601
OK
OK
Color Bar OFF Test
Command: 121
OK
VBI(Vertical Blanking Interval) Loopback Test
Command: 903
Check the Color Bar on the TV creen
OK
OK
OK
Check HSYNC on testpoint I221
Check VSYNC on testpoint I701
VIDEO PART OK
Fig. 10
3. Digital Board-7