SERVICE MANUAL
LBB 3310/00, 3330/00 and 3331/00
page: 5
Date of issue:
4822 861 11006
July 1998
6.
Controls and indicators
Control and Power Supply Unit (CPSU)
Top
On/OFF button
Switches the CPSU ON or OFF
Green LED
Indicates if the CPSU is switched ON or OFF
Left rotary switch (S240)
Microphone-mode switch. To select the mode for the
delegate microphones. In test position all light-ring
indicators lit if all units are properly connected.
Middle rotary switch (S260)
Loudspeaker volume control of the chairman and delegate
units.
Right rotary switch (R254)
Volume control for the built-in loudspeaker in the CPSU or
a connected headphone to monitor the discussion.
Headphone jack switch (X206)
Headphone jack connector with built-in switch.
Rear
Left gain control potentiometer (R140)
To adjust the sensitivity of the microphone input connector.
Right gain control potentiometer (R125)
To adjust the sensitivity of the recorder input connector
Insertion switch (S160)
Position “1” : loop through;
Position “0” : insertion not used
Delegate units
Top
Microphone
Electret microphone with build-in plop and windshield,
mounted on a flexible stem, complete with a red LED light-
ring
Light-ring around the microphone
ON: microphone is switched ON
Green button (S2)
Microphone ON button
Red LED
Indicates if microphone is switched ON
Side
Thumbwheel (R54)
Rotary volume control for headphones.
Headphone jack switches (X6/X7)
Headphone jack connectors with built-in switch.
Inside
Adjustment microphone capsule (R72)
Potentiometer to adjust the sensitivity of the microphone
Summary of Contents for CCS 800
Page 2: ......
Page 42: ......
Page 56: ...4822 861 11006 98 30 1998 Philips Electronics N V Data subject to change without notice ...
