CXA1734S
Description of Mode Control
Priority ranking: TEST-DA > TEST1 > M1 > (NRSW & FOMO & SAPC)
Mode control
SAPC=0
SAPC=1
“Select dbx input and LOUT & ROUT output”
Conditions: FOMO = 0
“Select dbx input and LOUT & ROUT output”
Conditions: FOMO = 0
NRSW = 0 (MONO or ST output)
NRSW = 0 (MONO or ST output)
• During ST input:
LOUT : L,
As on the left
ROUT: R
• During other input:
LOUT : L + R,
ROUT: L + R
NRSW
NRSW = 1 (SAP output)
• Regardless of the presence of SAP
discrimination,
NRSW = 1 (SAP output)
• When there is “SAP” during SAP
discrimination
dbx input: “SAP”
LOUT: SAP, ROUT: SAP
LOUT: SAP, ROUT: SAP
However, when there is no SAP, SAPLPF
output is soft muted (–7 dB)
• When there is “No SAP”, output is the same
as when NRSW = 0.
“Forced MONO”
FOMO = 1
FOMO
• During SAP output: LOUT: L + R, ROUT: SAP
• During ST or MONO output: LOUT: L + R, ROUT: L + R
Change the selection conditions for “MONO or ST output” and “SAP output”.
SAPC = 0:
Switch to SAP output when there is SAP discrimination.
Do not switch to SAP output when there is no SAP discrimination.
Switch to SAP output regardless of whether there is SAP
discrimination.
SAPC
M1
SAPC = 1:
“MUTE”
M1 = 0
Output is muted.
“TEST1”
TEST1 = 1
Return adjustment data with STATUS REGISTER as an adjustment mode.
In addition, outputs are as follows.
LOUT: SAP BPF OUT
TEST1
ROUT: NR BPF OUT
“TEST-DA”
TEST-DA = 1
TEST-DA
Used to TEST of D/A.
LOUT: D/A output
ROUT: STVCO oscillation frequency (4 fH)
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SONY [ SONY CORPORATION ]
