TX-NR636/ DTR-30.6/ HT-RC660/ HT-R993
ADJUSTMENT PROCEDURE
Connection
DC Volt meter
AVR
100ohms,
1/4W
BAAF-1511
Adjustment point
Test point
SR
SL
C
R
L
P6084 P6083
P6082
P6080
P6081
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
P6086
P6085
SBR
SBL
TX-NR636/ DTR-30.6/ HT-RC660/ HT-R993
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-1575
R5441
R5442
R5440
L
C
R
SL
SR
SBL
SBR
R5443
R5446 R5445 R5444