TMR-IF540R
SERVICE MANUAL
Ver 1.0 2003. 03
• The TMR-IF540R is the transmitter
that comprises the MDR-IF540RK.
SRS is a trademark of SRS Labs Inc.
SRS Headphones are manufactured under
license from SRS Labs. Inc.
• MDR-IF540RK consists of the following models respectively.
Headphones MDR-IF540R
Transmitter TMR-IF540R
Canadian Model
Tourist Model
SPECIFICATIONS
Transmitter
Power source DC IN 9 V jack accepts
Where purchased Operating voltage
US, Canadian 120 V AC, 60 Hz
Japan (exept for 110 V/120 V/220 V/
Japanese 240 V AC, 50/60 Hz
domestic model)
Other countries 220 – 230 V AC, 50/
Audio input Phono jacks/stereo mini jack
Dimensions Approx. 133 × 124 × 136 mm
Mass Approx. 160 g (6 oz.)
Design and specifications are subject to change without
notice.
power supplied from the AC
power adaptor for use on the
following voltages:
60 Hz or 120 V AC,
60 Hz
(5
1/4 × 5 × 5 3/8 in.) (w/h/d)
US Model
E Model
9-877-227-01
2003C0400-1
© 2003. 03
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
TRANSMITTER
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
1
TMR-IF540R
TABLE OF CONTENTS
1. GENERAL
Setting up the transmitter ........................................................ 3
2. DISASSEMBL Y
2-1. Cabinet (Upper) Assy..........................................................5
2-2. TX Board.............................................................................6
3. ELECTRICAL ADJUSTMENTS
Oscillation Frequency Adjustment .......................................... 7
4. DIAGRAMS
4-1. Block Diagram – Transmitter Section –.............................. 9
4-2. Printed Wiring Board – Transmitter Section –.................. 10
4-3. Schematic Diagram – Transmitter Section –.....................11
4-4. IC Block Diagram ............................................................. 12
5. EXPLODED VIEW
5-1. Transmitter Section ........................................................... 13
6. ELECTRICAL PARTS LIST ........................................ 14
2
SECTION 1
GENERAL
TMR-IF540R
This section is extracted
from instruction manual.
3
SECTION 2
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
SET
2-1. CABINET (UPPER) ASSY
(Page 5)
2-2. TX BOARD
(Page 6)
TMR-IF540R
Note : Follow the disassembly procedure in the numerical order given.
2-1. CABINET (UPPER) ASSY
Note : Insert this in the LED hole
in the cabinet (upper) assy
when installing.
5
cabinet (upper) ass
1
P 2x6
2
protection sheet
3
P 2x6
4
P 2x6
5