Sony TMR-RF845R Service Manual
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Sony TMR-RF845R Service Manual

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3 7 63 1515 0

SERVICE MANUAL

Ver 1.0 2000. 07
TMR-RF845R is the component model block one in the MDR-RF845RK.
COMPONENT MODEL NAME FOR MDR-RF845RK
Headphones
MDR-RF845R
Transmitter
TMR-RF845R
TE
L 13942296513
www
.
http://www.xiaoyu163.com
TMR-RF845R
General
Carrier frequency
Channel
Modulation
Frequency response
Transmitter
Power source
Audio input
Dimensions
Mass
Design and specifications are subject to change without
notice.
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
863.5 – 864.5 MHz
Ch1, Ch2, Ch3
FM stereo
20 – 20,000 Hz
DC 9 V: supplied AC power
adaptor
phono jacks/stereo mini jack
Approx. 150 mm dia × 108 mm
(6 × 4
1
/
in.) (w/h)
3
Approx. 190 g (6.2 oz.)
co
.
9 4
2 8
AEP Model
UK Model
0 5
8
2 9
9 4
2 8
m
TRANSMITTER
9 9
9 9

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  • Page 1: Service Manual

    TMR-RF845R 3 7 63 1515 0 SERVICE MANUAL AEP Model UK Model Ver 1.0 2000. 07 TMR-RF845R is the component model block one in the MDR-RF845RK. COMPONENT MODEL NAME FOR MDR-RF845RK Headphones MDR-RF845R Transmitter TMR-RF845R L 13942296513 SPECIFICATIONS General Carrier frequency 863.5 –...

  • Page 2: Setting Up The Transmitter

    http://www.xiaoyu163.com SECTION 1 This section is extracted from instruction manual. GENERAL 3 7 63 1515 0 A To connect to a headphones jack Setting up the transmitter Transmitter to AUDIO IN A jacks Connect the transmitter to audio/video equipment. Select one of the hookups below depending on the jack type: DC IN 9V OFF ON...

  • Page 3: Cabinet (Upper)

    http://www.xiaoyu163.com SECTION 2 DISASSEMBLY 3 7 63 1515 0 Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (UPPER) Cabinet (upper) × 8) 1 Four screws (P 2 L 13942296513 2-2. TX-BASE BOARD 2 TX-BASE board Cabinet assy, lower u163 —...

  • Page 4: Section 3 Electrical Adjustments

    http://www.xiaoyu163.com SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Setting : Pilot signal Modulation Check and Adjustment 1. Set the channel to CH2. 2. No signal input (The operating time in this case is limited to 4 AF signal or 5 minutes.) generator 3.

  • Page 5: Block Diagram

    TMR-RF845R SECTION 4 DIAGRAMS 3 7 6 3 1 5 1 5 0 4-1. BLOCK DIAGRAM IC403 STEREO MPX ANT401 IC401 R-CH RV403 J401 INPUT BUFFER MOD IN TIME DEVISION AUDIO IN J402 R-CH IC405(2/2) POWER OFF NOISE T-OUT...

  • Page 6: Schematic Diagram

    TMR-RF845R 4-2. SCHEMATIC DIAGRAM 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 330p 100k w w w u 1 6 3 — 7 — — 8 —...

  • Page 7: Printed Wiring Board

    TMR-RF845R 4-3. PRINTED WIRING BOARD 3 7 6 3 1 5 1 5 0 TX-BASE BOARD • Semiconductor Location Ref. No. Location D401 D402 D403 D404 D405 D407 D408 D410 IC401 IC402 IC403 IC404 IC405 Q401 1 3 9 4 2 2 9 6 5 1 3...

  • Page 8: Section 5 Exploded Views

    http://www.xiaoyu163.com SECTION 5 SECTION 6 TX-BASE EXPLODED VIEWS ELECTRICAL PARTS LIST 3 7 6 3 1 5 1 5 0 NOTE: NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number • Color Indication of Appearance Parts Example: •...

  • Page 9: Metal Chip

    http://www.xiaoyu163.com TX-BASE 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks L409 1-419-079-21 COIL (MPX FILTER) R453 1-216-073-00 METAL CHIP 1/10W L410 1-419-662-31 COIL, AIR-CORE R454 1-216-073-00 METAL CHIP 1/10W L413 1-414-234-11 INDUCTOR CHIP 0uH R455 1-216-077-00 RES-CHIP 1/10W...
  • Page 10 TMR-RF845R 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 2000G1646-1 Audio Entertainment Group 9-927-957-11 Printed in Japan © 2000.7 — 14 — Published by PE General Engineering Dept. http://www.xiaoyu163.com...

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