FILE NO.REFERENCE No.SM5310552L8HAD/XE, UK, L2348/WANOTE: 1. Parts order must contain model number, part number, and description.2. Substitute parts may be supplied as the service parts.3. N.S.P. : Not available as service parts.Design and specifications are subject to change without notice.SERVICE MANUALDigital Video RecorderCONTENTSCAUTION .................................................................................. 2NOTES ON HANDLING INTERNAL HDD COMPONENTS ..... 3SPECIFICATIONS .................................................................... 41. RESETTING THE USE TIME ............................................... 52. HDD OR FAN ERROR INDICATOR ..................................... 53. DISASSEMBLY ..................................................................... 64. OVERWRITING THE FIRMWARE ........................................ 85. PARTS LIST ....................................................................... 12CIRCUIT DIAGRAMS & PRINTED WIRING BOARDS ........... C1(Product Code : 175 811 00)(PAL General)DSR-300P(Europe)DSR-300P(Product Code : 175 811 01)VZU-COM300(Europe) (U.K.)(Product Code : 175 899 42)(U.K.)(PAL General)The components designated by a symbol ( ! ) in this schematic diagram designates components whose value are ofspecial significance to product safety. Should any component designated by a symbol need to be replaced, use only thepart designated in the Parts List. Do not deviate from the resistance, wattage, and voltage ratings shown.PRODUCT SAFETY NOTICE