Brand: SANYO
Category: Audio
Document Type: Parts/Service
Language: EN
Parts/Service for DC-TS750
Uploaded: Nov. 21, 2025, 7:36 p.m.
Basic Operation
This manual provides detailed service information for the SANYO DC-TS750 DVD Home Theater System. Key sections include:
- Specifications: Detailed technical specifications of the amplifier, tuner, DVD player, and speaker system.
- Laser Beam Safety Precaution: Important safety information regarding the laser pickup.
- DVD Mechanism Replacement: Step-by-step instructions with cautionary notes for replacing the DVD mechanism.
- Troubleshooting: Flowcharts and guides to diagnose and resolve common issues.
- Service Mode: Procedures for entering and navigating the service mode, including market/region setup and software loading.
- Tuner Adjustments: Specific steps for adjusting the FM and AM tuners.
- Exploded Views & Parts Lists: Detailed diagrams and component lists for various assemblies including cabinet, chassis, and DVD mechanism.
- IC Block Diagrams & Descriptions: Pinouts and functional descriptions for key integrated circuits.
- Schematic Diagrams: Circuit diagrams for DVD, MPEG, Amplifier, Front/Tuner, and related sections.
- Wiring Diagrams: Detailed PCB wiring layouts for different sections of the system.
- Wiring Connection: A general block diagram showing interconnections between major units.
Refer to specific sections for detailed instructions on repair, replacement, and adjustment procedures.
Troubleshooting and error codes
| VIDEO COMPOSITE OUT; OK | TUNER OUTPUT; OK | VIDEO 1,2 OUTPUT; OK | DVD/CD OUTPUT ; NG | |
|---|---|---|---|---|
| LOADER CHANGE | Y | LOADER CHANGE | ||
| N | 3.3V,DAC5V CONFIRM CN870 Pin18,43 | Y | DAC LINE CONFIRM | |
| N | 3.3V LINE CONFIRM IC412 PERIPHERAL CIRCUIT CONFIRM (IC411, IC410 etc) | 3.3V LINE CONFIRM IC412 PERIPHERAL CIRCUIT CONFIRM (IC411, IC410 etc) | ||
| IC870 Pin9~14 CONFIRM | Y | DAC IC870 PERIPHERAL CONFIRM | ||
| IC870 Pin9~14 CONFIRM | N | DAC IC870 NG | ||
| IC870 Pin9~14 CONFIRM | Y | MUTE CIRCUIT Q8880 PERIPHERAL CIRCUIT CONFIRM | ||
| IC820 ABCLK ALRCLK,ASDAT CONFIRM Pin 40,41,45,46,47 | Y | DAC IC870 NG | ||
| IC820 ABCLK ALRCLK,ASDAT CONFIRM Pin 40,41,45,46,47 | N | TUNER OUTPUT: L,R→OK/C,SL,SR,SW→NG VIDEO 1,2 OUTPUT; L,R→OK/C,SL, SR,SW→NG DVD/CD OUTPUT; L,R→OK/C,SL,SR,SW→NG | ||
| TUNER OUTPUT ; L,ROK/C,SL,SR,SW→NG VIDEO 1,2 OUTPUT; L,R→OK/C,SL, SR,SW→NG DVD/CD OUTPUT; L,R→OK/C,SL,SR,SW→NG | TUNER OUTPUT; OK | VIDEO 1,2 OUTPUT; OK | DVD/CD OUTPUT; L, ROK/C,SL,SR,SW→NG | |
| TUNER OUTPUT ; L,ROK/C,SL,SR,SW→NG VIDEO 1,2 OUTPUT; L,R→OK/C,SL, SR,SW→NG DVD/CD OUTPUT; L,R→OK/C,SL,SR,SW→NG | C,SL,SR,SW PERIPHERAL CONFIRM (IC470, IC480, IC451, IC471, IC481, IC472, IC482, IC483 PERIPHERAL CONFIRM) | IC870 Pin 9~12 CONFIRM IC493 Pin 12,13 CONFIRM | ||
| TUNER OUTPUT ; NG VIDEO 1,2 OUTPUT; NG DVD/CD OUTPUT; L,R→NG/C,SL,SR,SW→OK | MATIRIX SURROUND CONFIRM (IC493, IC490, IC491 PERIPHERAL CONFIRM) | |||
| L.R SIGNAL LINE CONFIRM (BETWEEN IC450 Pin 3,13 TO IC462 Pin 1,3) | This is a basic trouble shooting. | |||