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-rw-r--r--src/mame/drivers/thomson.cpp1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/mame/drivers/thomson.cpp b/src/mame/drivers/thomson.cpp
index 883f34f752d..ee0bcb3e5f0 100644
--- a/src/mame/drivers/thomson.cpp
+++ b/src/mame/drivers/thomson.cpp
@@ -650,7 +650,6 @@ MACHINE_CONFIG_START(thomson_state::to7_base)
DAC_1BIT(config, "buzzer", 0).add_route(ALL_OUTPUTS, "speaker", 0.5);
DAC_6BIT_R2R(config, m_dac, 0).add_route(ALL_OUTPUTS, "speaker", 0.5); // 6-bit game extension R-2R DAC (R=10K)
voltage_regulator_device &vref(VOLTAGE_REGULATOR(config, "vref"));
- vref.set_output(5.0);
vref.add_route(0, "buzzer", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "dac", 1.0, DAC_VREF_POS_INPUT);
vref.add_route(0, "dac", -1.0, DAC_VREF_NEG_INPUT);