Turn the adjustment screw for the maximum output levels. If these levels do not match, turn the adjustment screw until both of output levels match together within 1 dB.
Tape Speed Adjustment
DECK A
DECK B
Note: Start the Tape Speed adjustment as below after setting to the test mode. Set to test mode. (Press key switch same time CD STOP DECK A STOP and DECK B STOP button.) Test mode off. (Power off.) Procedure: � Perform high speed adjustment before normal speed adjustment. Mode: Playback
3.
Playback Mode Speed Deck A *High B A Normal B Adjustment RV652 RV652 RV651 RV651 Frequency counter 5,910 to 6,090 Hz 2,910 to 3,090 Hz
* Continue to press HIGH SPEED DUBBING switch (S259) in playback mode : High speed playback. Frequency difference between the beginning and the end of the tape should be within ± 3%. Frequency difference between deck A and deck B the beginning of the tape should be within 1.5 %. Adjustment Location: AUDIO board (See page 8) 4. 5. Change the playback mode and repeat the steps 1 to 3. After the adjustment, lock the adjustment screw with suitable locking compound. Sample Value of Wow and flutter W.RMS (JIS) within 0.3% (test tape: WS-48B) Playback level Adjustment DECK A Procedure: � FWD playback Mode �
test tape P-4-L3000 dB) (315 Hz,
Adjustment Location: � Record/playback head (Deck A and B) �
DECK B
VTVM + � Output level measurement point (See page 6)
set
Deck A is RV311 (L-CH) and RV411 (R-CH), Deck B is RV301 (L-CH) and RV401 (R-CH) so that adjustment within adjustment level as follows. Adjustment Level: LINE OUT level : �8.2 to �7.2 dB (301.5 to 338.3 mV) Level Difference between Channels : within 0.5 dB Confirm the OUTPUT level does not change in playback mode while changing the mode from playback to stop several times. Adjustment Location: AUDIO board (See page 8)
