Pioneer A-307R A-209R Manuel d'entretien - Page 31
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- 1. Table of Contents
- 2. Safety Information
- 3. Exploded Views and Parts List
- 4. Schematic Diagram
- 5. Pcb Connection Diagram
- 6. Pcb Parts List
- 7. Adjustment
- 8. General Information
- 8. Disassembly
- 8. Block Diagram
- 9. Panel Facilities and Specifications
- 9. Front Panel
- 9. Remote Control
- 9. Specifications
- 9. Amplifier Section
7
DIRECT button/indicator
Use this button when you do not wish to pass the output from
input terminal equipment through the various frequency
adjusting circuits (BASS, TREBLE, BALANCE, LOUDNESS).
On : The indicator lights: The signals passing through the
input terminals are reproduced without passing through
the various frequency adjusting circuits. This results in
flat, pure sound which is a more faithful reproduction of
the input source.
Off : The indicator goes off: The signal passes through the
various frequency adjusting circuits.
8
LOUDNESS button/indicator
Use when listening at low volume levels.
On : The indicator lights: Boosts low and high frequencies to
give added punch to playback even at a low volume
level.
Off : The indicator goes off: Should normally be left in this
position.
NOTE:
This button does not operate when the DIRECT button is in the
on position.
9
TREBLE tone control
Use to adjust the high-frequency tone. The center position is
the flat (normal) position. When turned to the right, high-
frequency tones are emphasized; when turned to the left, high-
frequency tones are de-emphasized.
NOTE:
This control does not operate when the DIRECT button is in the
on position.
0
BASS tone control
Use to adjust the low-frequency tone. The center position is the
flat (normal) position. When turned to the right, low-frequency
tones are emphasized; when turned to the left, low-frequency
tones are de-emphasized.
NOTE:
This control does not operate when the DIRECT button is in the
on position.
-
SPEAKERS B (ON/OFF) button/indicator
Use this button to listen to the speaker system connected to
SPEAKERS B terminals.
ON : The indicator lights. Sound is heard from the speaker
system.
OFF : The indicator goes off. No sound is heard from the
speaker system. Set to this position when listening with
headphones.
=
PHONES jack
When using headphones, insert the plug into this jack.
NOTE:
The speakers continue to output sound even when headphones
are plugged into this jack.
To mute the sound from the speakers, press the SPEAKERS
button to OFF.
~
SPEAKERS A (ON/OFF) button/indicator
Use this button to listen to the speaker system connected to
SPEAKERS A terminals.
ON : The indicator lights. Sound is heard from the speaker
system.
OFF : The indicator goes off. No sound is heard from the
speaker system. Set to this position when listening with
headphones.
A-307R, A-207R
31