5 Service Mode Function of Cassette Mechanism TOP PREVIOUS NEXT This unit is equipped with a service mode function of cassette mechanism, so that if the unit operates incorrectly, the fault displayed using an error code on the FL display of the Tuner/Amplifier (SA- EH770).
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5.1 Cassette tape to be prepared TOP PREVIOUS NEXT Metal tape: Recorded music tape with only one erasure prevention tab intact./(use middle portion of tape) Normal tape: /CrO2 tape: Recorded music tape with both erasure prevention tabs intact./(use middle portion of tape) TOP PREVIOUS NEXT http://servis-manual.com/...
5.2 Selecting service mode TOP PREVIOUS NEXT 1. Turn on the power to the unit. 2. Make sure that no tape is inserted in the cassette deck. (Service mode cannot be selected with a tape inserted in the cassette deck.) 3.
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5.3 Deck 1 mechanism check TOP PREVIOUS NEXT 1. Press the Deck 1/deck 2 select button to change the flashing Deck 2 indicator to Deck 1. Refer Fig. 5-2. /(No change required if Deck 1 indicator already flashing.) 2. Press the Deck 1 cassette holder open button to open the Deck 1 cassette holder. Refer to Fig.
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5.4 Deck 2 mechanism check TOP PREVIOUS NEXT 1. Press the Deck 1/deck 2 select button to change the flashing Deck 1 indicator to Deck 2. Refer Fig. 5-3. 2. Press the Deck 2 cassette holder open button to open the Deck 2 cassette holder. Refer to Fig.
5.5 Exiting service mode TOP PREVIOUS NEXT 1. Press the STOP button for more than 5 seconds (Diagnostic contents stored in memory for both Deck 1 and 2 are erased.) 2. Remove the cassette tape from the cassette holder. 3. Turn off the unit. TOP PREVIOUS NEXT http://servis-manual.com/...
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13.3 Head azimuth adjustment (Deck 1/2) TOP PREVIOUS NEXT 1. Connect the measuring instrument as shown in Fig. 13-1. 2. Replace azimuth screws for both forward and reverse directions after removing the screw- locking bond left on the head base. (Supply part No. of azimuth screw: RHD17015 3.
13.4 Tape speed adjustment/(Deck 1/2) TOP PREVIOUS NEXT Note: When connecting the unit to other system components for test, short the section between the test point TP604 TP609 and turn on the entire system. (The unit is set to the TEST mode, and either Deck 1 or Deck 2 indicatorwill blink.) Normal speed (Standard value: 3000 ±...
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14.1.1 Connection Diagram Between the Mechanism Ass’y and Power Supply/(MOTOR and Plunger) TOP PREVIOUS NEXT Fig. 14-1. TOP PREVIOUS NEXT http://servis-manual.com/...
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14.1.2 Detail View of EJECT Lever /(EJECT lever fixed by rubber band, Plunger rib operation) TOP PREVIOUS NEXT Fig. 14-2. TOP PREVIOUS NEXT http://servis-manual.com/...
MAIN CIRCUIT :POSITIVE VOLTAGE LINE : RECORDING SIGNAL LINE : PLAYBACK SIGNAL LINE R101 C123 5.6K 25V4.7 R157 9.6V C150 Q101 (0.2V) C143 C115 10V100 DECK1 CP101 470P 470P 2SJ164RTA HEAD SELECT (REC:ON) C117 330P PLAYBACK HEAD C129 R117 10V22 IC101 4.5V 4.5V...
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:POSITIVE VOLTAGE LINE : RECORDING SIGNAL LINE : PLAYBACK SIGNAL LINE DOLBY R725 2.2K C207 270P C203 R209 R211 R221 C225 25V4.7 L201 25V4.7 C205 50V1 C218 R237 R220 50V0.1 DOLBY ON : 0V 4.8V 9.6V 4.7V 4.7V 4.6V 4.7V 0.4V 4.8V ON/OFF...