Sony TMRIF-330-R Service manual

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 –