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C-18 HDM

Note: Voltage values are in reading status. Example: 24 (4.7): Terminal no. (voltage value) Supplement: Since the DVD disc drive is intermittently operated, set to the reading status in which laser light is emitted from the pickup.

Information of MAN-H/MAN,DRV-R, MOD and HDM Circuit Boards
1 (4.8)

HDM -SIDE A-

During servicing, replace the entire MAN-H/ MAN circuit board, and the entire disc drive unit, including the DRV-R, MOD and HDM circuit boards. Because of this servicing method, this service manual includes only the simplified circuit board diagrams, and does not include any schematic circuit diagrams. The simplified circuit board diagrams show the major voltage values: Refer to them during troubleshooting.

HDM -SIDE B-

25 21 20 17 (4.9)(4.9)(4.9) (4.9) 17 16 27 26 25 (3.1) 32 1 14 (4.8) 3 (3.1) 9 10 8 (4.9)

5(4.9) 9(4.9) 11(3.1)

6(4.9) 10(4.9)

41(4.8)

40(4.8)

VDR-M70PP/VDR-M50PP HDM CIRCUIT BOARD DIAGRAM