Read Panasonic BL-C101CE / BL-C101E / BL-C121CE / BL-C121E Service Manual online
11
BL-C101CE/BL-C101E/BL-C121CE/BL-C121E
4.1.5.
LED Block
Power LED control circuit
The power LED is controlled by the CPU (IC101) and is input to the LED control circuit.
(3-color LEDs are used.)
The power LED is controlled by the CPU (IC101) and is input to the LED control circuit.
(3-color LEDs are used.)
4.1.6.
Audio Block
The audio circuit included the internal MIC terminal (MIC321). The internal MIC (MIC321) is connected with the PCM codec
(IC321).
.
ALC Amplifier (IC322)
Power Supply: 3.3 V
Amplifier for Auto Level Control
(IC321).
.
ALC Amplifier (IC322)
Power Supply: 3.3 V
Amplifier for Auto Level Control
PCM Codec (IC321)
Power Supply Voltage: 3.3 V
Clock Frequency: Contains a built-in PLL function and generates a clock from the BCLK (256 KHz).
That contains an amplifier, LPF, gain adjustment, AD/DA converter, host I/F, PCM serial I/F.
Power Supply Voltage: 3.3 V
Clock Frequency: Contains a built-in PLL function and generates a clock from the BCLK (256 KHz).
That contains an amplifier, LPF, gain adjustment, AD/DA converter, host I/F, PCM serial I/F.
LED_R
LED_G
Color of Power LED
L
L
OFF
L
H
Green
H
L
Red
H
H
Orange
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