Marantz SD1010 - Page 15

6.6 MPX FILTER ADJUSTMENT
SET UP
1.
Power voltage:- 50 or 60 Hz AC voltage rated for
the unit to be used in a market country.
2. Input terminal:- MIC.
3. TAPE SELECTOR switch:- NORMAL.
4.
5. Load: Measuring instrument input impedance.
Output terminal:- LINE OUTPUT.
PROCEDURES
1.
Connect the 19 kHz, —60 dB input signal to the
MIC terminal. Adjust the RECORD LEVEL control
for 0 VU.
. Turn the DOLBY NR pushswitch to the ON posi-
tion. Adjust the L101 (or L201) for minimum out-
put level at the LINE OUTPUT terminal.
NOTE: Proceed both for the right and left channels in
the same manner.
Mode: Record
AF OSC
TONE: 19 kHz,
LINE OUTPUT
CAUTIONS
. The 19kHz input signal should be as precise as
1940.01 kHz.
. If the filter characteristic is better than 30 dB, the
adjusting coil needs not to be adjusted since it is
factory set.
. The L101 (or L201) is composed of the 19 kHz
filter and the bias trap. The 19 kHz filter is the core
of left side toward the front of the set.
7, VOLTAGE CONVERSION
To convert the unit to a different power source voltage,
change the position as illustrated in the drawing below.
CAUTION: DISCONNECT POWER SUPPLY CORD
FROM AC OUTLET BEFORE CONVERT-
ING VOLTAGE. DO NOT DISASSEMBLE
THE VOLTAGE SELECTOR ABSOLUTERY.
N VERSION
220V 110V
;
P VERSION
220 — 240V 110 — 120V .
T/A VERSIONS
240V 220V
©
NOTE ON SAFETY:
THE PARTS MARKED WITH A\ ARE IMPORTANT
PARTS ON THE SAFETY. PLEASE USE THE PARTS
HAVING THE DESIGNATED PARTS NUMBERS WITH-
OUT FAIL.
8. DIAGRAMS
8.1 BLOCK & LEVEL DIAGRAMS
@
—29.2
HEAD-
PHONE
15