User manual PIONEER A-407R service manual

[. . . ] SAFETY PRECAUTIONS The following check should be performed for the continued protection of the customer and service technician. ANY MEASUREMENTS NOT WITHIN THE LIMITS OUTLINED ABOVE ARE INDICATIVE OF A POTENTIAL SHOCK HAZARD AND MUST BE CORRECTED BEFORE RETURNING THE APPLIANCE TO THE CUSTOMER. LEAKAGE CURRENT CHECK Measure leakage current to a known earth ground (water pipe, conduit, etc. ) by connecting a leakage current tester such as Simpson Model 229-2 or equivalent between the earth ground and all exposed metal parts of the appliance (input/output terminals, screwheads, metal overlays, control shaft, etc. ). Plug the AC line cord of the appliance directly into a 120V AC 60Hz outlet and turn the AC power switch on. PRODUCT SAFETY NOTICE Many electrical and mechanical parts in the appliance have special safety related characteristics. These are often not evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage, wattage, etc. [. . . ] : When set to the ON position, power is supplied and the unit becomes operational. STANDBY : When set to the STANDBY position, the main power flow is cut and the unit is no longer fully operational. A minute flow of power feeds the unit to maintain operation readiness. NOTE: When performing timer recording with this unit, be sure to set the POWER STANDBY/ON switch to ON. ON OFF/ 6 TAPE 2 MONITOR button/indicator Use when there is an adaptor component (graphic equalizer, etc. ) or cassette deck connected to the TAPE 2 MONITOR terminals. On : Indicator lights when using the adaptor component or listening to the cassette deck. NOTE: When no connections are made to the TAPE 2 MONITOR terminals, or when they are not in use, be sure to set this switch to the off position. (No sound will be heard if it is set to the on position. ) 3 Remote control sensor window 4 VOLUME control Use to adjust the volume level. NOTE: The TONE effect functions regardless of volume levels. 26 A-407R 7 REC SELECTOR switch /indicator(For TAPE 1/MD terminals) This switch is used to select the recording source component. The signal from the selected component is output at the TAPE1/ MD jacks for recording. To select a recording source component, press the REC SELECTOR switch so that the indicator of the desired source component lights up. When this switch is set to [TUNER] or [CD], the signal from the selected component can be recorded regardless of the input selector switch and TAPE2 MONITOR button settings. TUNER : To record from the equipment connected to the TUNER terminals. SOURCE : To record from the equipment selected by the INPUT SELECTOR knob. OFF : In this position, nothing from the REC terminals of TAPE 1/MD is output. Set to this position when not recording; the cassette deck will be disconnected, improving sound quality. - TREBLE tone control Use to adjust the high-frequency tone. When turned to the right, the high-frequency tone is emphasized; when turned to the left, the high-frequency tone is de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. = BASS tone control Use to adjust the low-frequency tone. When turned to the right, the low-frequency tone is emphasized; when turned to the left, the low-frequency tone is de-emphasized. NOTE: This control does not operate when the DIRECT button is in the on position. ~ PHONES jack When using headphones, insert the plug into this jack. NOTE: The function selected using the INPUT SELECTOR knob will be recorded irrespective of the position of the REC SELECTOR switch (TAPE 2 MONITOR terminals). !SPEAKERS B (ON/OFF) button/indicator Use this button to listen to the speaker system connected to the SPEAKERS B terminals. Set to this position when listening with headphones. 8 BALANCE control Should normally be left in the center position. [. . . ] 5 Hz to 100 kHz +0 dB* -3 Tone control BASS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 8 dB (100 Hz) TREBLE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 8 dB (10 kHz) Loudness contour (volume control set at ­ 30 dB position) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . + 5 dB (100 Hz)/ + 3 dB (10 kHz) Accessories Remote control unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ]