RHT520.pdf part of Rolsen RHT520 RHT520.pdf, . Rare and Ancient Equipment Rolsen DVD Схемы RHT520.pdf text manual preview

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DIGITAL HOME THEATHER SYSTEM
1. SERVICING PRECAUTIONS...............................................................................................................................................3/4

2. ESD PRECAUTIONS...............................................................................................................................................................5

3. SPECIFICATIONS....................................................................................................................................................................6

4. DVD PROGRAM DOWNLOAD METHOD .............................................................................................................................7

5. INTERNAL BLOCK DIAGRAM OF ICs................................................................................................................................8/9

6. BLOCK DIAGRAM .................................................................................................................................................................20

7. WIRING DIAGRAM ................................................................................................................................................................21

8. SCHEMATIC DIAGRAM...................................................................................................................................................22/28
FRONT SCHEMATIC DIAGRAM
DAC SCHEMATIC DIAGRAM
VIDEO SCHEMATIC DIAGRAM
MAIN SCHEMATIC DIAGRAM
1) MICOM SCHEMATIC DIAGRAM
2) AMP AND POWER SCHEMATIC DIAGRAM
3) PRE SCHEMATIC DIAGRAM
4) CONNECTION SCHEMATIC DIAGRAM

9. PRINTED CIRCUIT DIAGRAM..........................................................................................................................................29/33
FRONT PCB
1) TOP VIEW
2) BOTTOM VIEW
LOADER PCB
1) TOP SIDE
2) BOTTOM SIDE
MAIN PCB
1) TOP VIEW
2) BOTTOM VIEW
DAC PCB
1) TOP SIDE
2) BOTTOM SIDE

10. EXPLODED VIEW AND MECHANICAL PARTS LIST........................................................................................................34

11. ELECTRICAL PARTS LIST..............................................................................................................................................35/48
NOTES REGARDING COMPACT DISC PLAYER REPAIRS
1. Preparations

2. Notes for repair

CLEARING MALFUNCTION
INSERT THE UPDATE DISC INTO THE DISC TRAY, THEN THE DVD RECEIVER READS
THE DISC AND UPDATE THE FIRMWARE ITSELF AS FOLLOWINGS.

INSERT THE UPDATE DISC.

NO STATUS VFD MONITOR SET CONDITION

1 LOADING LOADING DISC LOADING DOOR CLOSE

2 DETECT THE UPDATE DISC LOADING ERASE DOOR CLOSE

3 PROGRAM UPDATING LOADING WRITING DOOR CLOSE

4 COMPLETED UPDATING LOADING DONE DOOR OPEN

NOTE
1. DOOR OPEN, FINISHED THE UPDATING, THEN REMOVE UPDATE DISC.
2. AFTER UPDATING, POWER OFF AND POWER ON AGAIN.
3. AFTER NOTE STEP 2. MUST PERFORM RESET IN SETUP MENU.

CAUTION
DURING UPDATING ,PLEASE DO NOT POWER OFF OR OPEN THE DOOR.

Speaker Section
Input Power 30W/ch.( Music Power)
Impedance 4
Connected Cable Front, Center 2.5m / Subwoofer 3m / Rear 10m
Front Speaker Type 3 full-range driver(Magnetic-Shielded)
Center Speaker Type 3 full-range driver(Magnetic-Shielded)
Rear Speaker Type 3 full-range driver
Subwoofer Type Passive subwoofer with 6.5 driver
Front Speaker Dimensions(W