Nakamichi PDP-42 Service Manual Digest

10, 10 4-1-2 DISPLAY PANEL Mechanical Ass’y (B) MECHANICAL ASS’Y AND PARTS LIST (Display Unit) Ref.No. Part No. Description Q'ty B-1 0B90988A Motor Fan 2 B-2 0H08887A Cap SW 1 B-3 BK10483A Fan-A P.C.B. Ass'y R554 1 B-4 BK10484A Fan-B P.C.B. Ass'y R554 1 B-5 BK10469A C…

7, 7 3-3 A/D Converter Level Adjustment 3-3-1. Y level adjustment 1) Connect a color bar generator (PAL or NTSC) to the AV4 composite video input and supply a PAL or NTSC color bar signal (1.0 Vp-p output level, 100.0.75.0 colour bars). 2) Connect an oscilloscope to TP41 then adjust VR41 so th…

22, 22 IC BLOCK DIAGRAMS T Q CLR CLK QS QR D CLK REG CAPACITOR CHARGE CURRENT 8 OSC D V 2 3 4 1 V A V B V 2 V 2 V CC V CC V 1 V 1 COMPOSITE SYNC VIDEO INPUT VERTICAL SYNC GND DEFAULT 8 7 6 5 OCD/EVEN FIELD INDEX REST BURST GATE/ BACK PORCH CLAMP LM1881MX (Sync Separator) MB90096 (Multi scan on-screen d…

9, Nakamichi PDP-42 9 4-1-1 DISPLAY PANEL Main Shassis Ass’y (A) Ref. No. Part No. Description Q'ty A-1 0B50432A P.Supply RPS-8247 1 A-2 0B90988A Motor Fan 3 A-3 0B85756A Inlet ZUG2210-11 1 A-4 0J08674A Sapcer Stand 6 A-5 0B90984A Clamp TL-20S 1 A-6 BK10471A Filter P.C.B. Ass'y R554 1 L01 …

28, 28 Nakamichi Corporation 1-153 Suzukicho, Kodaira, Tokyo 187-8501, Japan Phone: 81(42)342-1111 Nakamichi America 18375 S. Broadwick St., Rancho Dominguez, CA 90220 Phone: 1 (310)631-2122 Fax: 1(310)631-2760 Nakamichi Asia 8/F The Grande Bldg., 398 Kwun Tong Rd., Kowloon, Hong Kong Phone…

11, 11 5-1 Connection P.C.B. Ass’y 5. ELECTRICAL PARTS LIST (Display Unit) 5-2 Fan-A P.C.B. Ass’y 5-3 Fan-B P.C.B. Ass’y 5-4 Power Switch P.C.B. Ass’y 5-5 Remote Sensor-2 P.C.B. Ass’y 5-6 Filter P.C.B. Ass’y R554 Ref. No. Part No. Description Q'ty BK10469A CONNECTION P.C.B. ASS&apo…