|
| No Picture / No Sound |
|
| |
|
|
| Is any OSD displayed? |
| |
| No |
|
| OK |
|
|
|
|
| OK | |
OK | Check IC11 pin71,72,73 |
| Check receiving system in MENU | ||
|
| ||||
| (R,G,B out) |
| & execute Auto - Program. |
| |
|
|
| Does the auto - Program |
| |
| No |
| Operate properly. |
| |
|
|
|
|
| |
|
|
|
| OK |
|
|
|
| Store on manual - program MENU |
| |
| No |
| No | Check SMPS Trans | Go to |
| Check pin40(V out 1) | Check 1.8V, 3.3V, | No Sound / | ||
| 1V | 5V DC Voltage | Secondary Voltage | Picture OK | |
|
|
| OK |
|
|
|
|
| No | Check IC13 |
|
|
| Check pin18 |
| ||
|
| Reset Voltage | (Reset IC) |
| |
|
| 3.3V DC | OK |
|
|
|
|
| No | Check IC12(EEPROM) |
|
| No | Check pin57, 58 |
| ||
| SCL, SDA |
| & SCL, SDA, Line |
| |
| 3.3V swing | OK |
|
| |
|
| Relace IC11 |
|
| |
| Q501, Q503, Q504 |
| Check / Replace |
| |
| (R, G, B out of IC11) |
| CPT Board component |
| |
- 13 -
