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TMR-IF330R
SERVICE MANUAL
Ver 1.0 1998. 05
US Model
Canadian Model
E Model
Australian Model
Tourist Model
SECTION 1
ELECTRICAL ADJUSTMENTS
NOTE :
1. The adjustments should be performed in the order given.
2. The adjustments and measurements should be perfomed for both
L-ch and R-ch unless otherwise indicated.
3. L-ch adjustment should be completed before performing R-ch
adjustment.
OSCILLATING FREQUENCY Adjustment
Procedure :
No signal state.
1. Connect the frequency counter to TP (CL4) (L-ch) and TP (CL-
54) (R-ch).
2. Adjust with RV1 (L-ch) and RV2 (R-ch) so that the reading on
the frequency counter becomes the specified value.
Specified Value:
L-ch RV1 2.3MHz ±2kHz
R-ch RV2 2.8MHz ±2kHz
Connection and Adjustments Location :
TMR-IF330R is the component model block one in MDR-IF330RK.
COMPONENT MODEL NAME FOR MDR-IF330RK
Cordless Stereo Headphones MDR-IF330R
Transmitter TMR-IF330R
SPECIFICATIONS
General
Modulation system Frequency modulation
Carrier frequency Right 2.8MHz
Frequency response 18 – 22,000Hz
Power source DC IN 9V jack accepts power supplied from the AC
US, Canadian,
Central & South America model
Australian model 240V AC,50Hz
E model 220 - 230V AC,50Hz
Tourist model 110 -120V/220 - 240V AC,50/60Hz
Audio input Phono jacks/stereo mini jack
Dimensions Approx. 106 x 217 x 110mm
Mass Approx. 125g (4.4oz.)
Left 2.3MHz
power adaptor for use on the following voltages:
Operating voltage
120V AC,60Hz
(4 1/4 x 8 5/8 x 4 3/8in.) (w/h/d)
[TX BOARD] (Conductor side)
regulated dc
power suppluy
9 Vdc
[TX BOARD] (Component side)
TP
(CL4)
TP
(CL54)
frequency counter
TP(CL4)
(L-ch)
TP (CL54)
(R-ch)
MICROFILM
Design and specifications are subject to change without notice.
INFRARED TRANSMITTER
RV1
RV2
(L-ch)
(R-ch)
Oscillating frequency
adjustment
– 2 –