Brand: NEC
Category: Other
Document Type: Manual
Language: EN
Manual for DTE-29U1TH
Uploaded: Nov. 21, 2025, 7:14 p.m.
Manual Publish Date: 2003-11-01
Warranty Information
No specific warranty period or summary is detailed within the provided pages of this service manual.
- Main Features: Includes specifications for TV standard (PAL/B/G, H, NTSC), sound system (NICAM B/G, FM 2Carrier B/G), power consumption (116W approx.), sound output power (5W x 5W), and speaker (7W 8 ohm x 2). Features 10-page memory FASTEXT (optional), 75 ohm unbalanced aerial input, off-air/S-cable/hyperband channel coverage, frequency synthesizer tuning, 68 Cm screen size, On Screen Display for channel indication, and 100 program selections. Aux. terminals include INPUT1/INPUT2 (RCA) for Audio/Video In, OUTPUT (RCA) for MONITOR OUT, and DVD:Y/Cr/Cb/Audio in. It also has a headphone jack and is compatible with R-44N08(RD-D90) remote control for Teletext.
- External Terminals: Details RCA inputs (Rear Side and Right Side) for Video and Audio (Left/Right), and a MONITOR OUTPUT & DVD INPUT on the rear.
- Channel Table: Provides a frequency table for channels in AUSTRALIA and N/Z' land.
- Safety Instructions: Emphasizes precautions regarding X-RAY RADIATION (max 32 KV) and general safety precautions for high voltage equipment, including fuse replacement, resistor placement, wire management, and correct power supply (AC 240 volts, 50 Hz). Product safety notice highlights special safety-related characteristics of components.
- Alignment Instructions: Covers microcontroller configuration for Service Mode and Option settings. TV set alignment includes G2 alignment, White balance, Focus, Vertical geometry, Horizontal picture centering, East/West correction, and AGC adjustment.
- IC Description: Provides details on the TDA936x TV signal processor (with Teletext and embedded Controller) and the MSP341x Multistandard Sound Processor. Block diagrams and pin assignments are included.
- Service Parts List & Exploded View: Lists service parts and provides an exploded view for identification.
- PCB Layout: Shows the layout for the Main PCB and AV PCB.
- Circuit Diagram: Includes the schematic for the CP-785F.
Troubleshooting and error codes
| Section | ITEMS | BARE DATA | DTE-29U1TH (PF-68T32) | REMARK |
| For Adjustment (Variable) | AGC | 32 | 23 | Variable |
| BIAS R/G | 31/31 | 31/31 | Variable | |
| DRIVE R/G/B | 32/32/32 | 32/32/32 | Variable/Variable | |
| H-PARALLEL | 31 | 26 | FIX | |
| H-BOW | 42 | 34 | FIX | |
| H-SHIFT | 25 | 33 | Variable | |
| V-SLOPE | 32 | 31 | Variable | |
| V-Amplitude | 39 | 20 | Variable | |
| V. S-Correction | 13 | 29 | FIX | |
| V SHIFT | 32 | 30 | Variable | |
| H-WIDTH | 32 | 42 | Variable | |
| EW Parabola | 32 | 23 | Variable | |
| For Function Change (OPTION) | Up-Conner | 32 | 32 | Variable |
| Dn-Conner | 32 | 32 | Variable | |
| EW Trapezium | 32 | 29 | Variable | |
| Option | 04 | 04 | FIX (Tuner option Code) | |
| (HOTEL)CH LOCK | OFF | Off | ||
| (HOTEL) Max Vol | 15 | 43 | ||
| Clock Pr. | 01 | 07 | ||
| SVHS | ON | OFF | CP-785F can t operate the S-VHS. It operate to the CP-785A(DTE-29/25G5TH) | |
| AV START | OFF | OFF | ||
| KEY LOCK | OFF | OFF | ||
| SCREEN | 24 | 30 | ||
| DVD IN | OFF | ON | ||
| AUTO OFF | OFF | ON |