CD ADJUSTMENT Precautions To prevent damage caused by static electricity, the following procedures for grounding is requir or repairing the unit. Shorting tab Desolder here Pickup [Note] Remove the connection after installed. 1. Wrist-Strap for grounding 1MΩ 1MΩ 2. Conductive Sheet Pickup 1.
BLOCK DIAGRAM CD Mechanism Disc Super 1chip digital servo processor MN662740RE Digital Signal Head AMP Pickup Processing AN8806SB L ch Spindle Digital Servo Driver Motor DF-DAC Processing AN8819NFB R ch Microcomputer MN150413 (4 bits)
TROUBLESHOOTING Press the “PLAY/PAUSE” key. Is “00” displayed on the LCD ? Load a CD and close the CD door. Are total track number displayed ? Is the audio signal present at the headphone terminal ? Press key. Can a selected track number be searched smoothly ? Set “CHARGE”...
Repair Item 1: At power on, “00” is not displayed. Is the switch Set the “HOLD” switch “OFF”. “HOLD” set “OFF” ? Check IC502. Is the voltage Check the circuit around IC502. 3.25 0.1V at terminal Check the Q401, Q402, T401 circuit. TP1 ? Check IC601.
Repair Item 3: The audio signal is not present in headphone Terminal. Is the audio signal Check IC601. present in “LINE OUT” Check the circuit around IC601. jack ? Check IC301. Check the circuit around IC301. Repair Item 4: A selected track number can’t be searched. Check the pickup.
PARTS LIST PZ-700 Notes: 1. Prices and specifications are subject to change without pointer notice. 2. As for spare parts order and supply, refer to the “GUIDEBOOK for Spare parts Supply”, published separately. 3. The numbers in item column correspond to the...
PZ-700 Common ACCESSORIES 1915 7513 EARPHONE/STEREO, H102-009 27-12100133-00 PZ-700 Common 1915 7503 AC ADAPTOR/EI-41 4.5V500MA 16-90100192-00 PZ-700 Common (AO3497) 1915 7512 PLUG ADAPTOR/IR40, 19-87001001-00 PZ-700 for others CCT5902-0701 OTHER 1915 7528 CHE01-SMT-CDP14 99-50141211-01 PZ-700 Common Note : N - New parts...