TX-NR737/838/ DTR-40.6/50.6
ADJUSTMENT PROCEDURE
Connection
DC Volt meter
AVR
100ohms,
1/4W
Adjustment point
Test point
Front
ADJUSTMENT OF IDLING CURRENT
Applied to the following model.
(Model)
a. Pre-adjustment
Set the following registers to minimum position before POWER ON.
Set the voltages at the following terminals to the following voltage by adjusting the following registers, under the condition of
no input and no load, immediately after POWER ON.
Channel L/C/R
Terminals
Registers
Voltage
b. Aging
Heat run during the following time.
Time
c. Final adjustment
Re-adjust by the following procedure after heat running for the above mentioned time.
Equip series 1/4W 100-ohm resisters near the terminal respectively in each pole of the jig used for the above mentioned terminals.
Top
Procedure
BAAF-1517
SR SLCR L
P6084 P6083P6082 P6080P6081P6086 P6085
SBR SBL
TX-NR737/838/ DTR-40.6/50.6
SL/SR/SBL/SBR
2.5mV 1.5mV
L/C/R
Below 9mV 9mV
Between
Do not adjust.
Over 11mV 11mV
SL/SR/SBL(SW)/SBR
Below 6mV 6mV
Between
Do not adjust.
Over 8mV 8mV
BACLA-1579
R5443R5440 R5445
LCR
SL
SR SBLSBR
R5442R5446 R5444 R5441
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