cxa2134q Sony Electronics, cxa2134q Datasheet - Page 21

• Manufacturer Part Number: cxa2134q
• Description: Us Audio Multiplexing Decoder
• Manufacturer: Sony Electronics

Description of Mode Control
NRSW
FOMO
SAPC
FOMO = 1
• During SAP output: left channel: L + R, right channel: SAP
• During ST or MONO output: left channel: L + R, right channel: L + R
SAPC = 0: Switch to SAP output when there is SAP discrimination.
SAPC = 1: Switch to SAP output regardless of whether there is SAP discrimination.
“Select dbx input and TV decoder output”
Conditions: FOMO = 0
NRSW = 0 (MONO or ST output)
• During ST input:
• During other input: left channel: L + R,
NRSW = 1 (SAP output)
• When there is “SAP” during SAP
• When there is “No SAP”, output is the
discrimination
– left channel: SAP, right channel: SAP
same as when NRSW = 0.
Change the selection conditions for “MONO or ST output” and “SAP output”.
Do not switch to SAP output when there is no SAP discrimination.
SAPC = 0
left channel: L,
right channel: R
right channel: L + R
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“Forced MONO”
“Select dbx input and TV decoder output”
Conditions: FOMO = 0
NRSW = 0 (MONO or ST output)
As on the left
NRSW = 1 (SAP output)
• Regardless of the presence of SAP
However, when there is no SAP, SAPOUT
output is soft muted (–7dB)
discrimination,
dbx input: “SAP”
left channel: SAP, right channel: SAP
SAPC = 1
CXA2134Q