background image

TMR-RF845R

AEP Model

UK Model

SERVICE MANUAL

TRANSMITTER

SPECIFICATIONS

Headphones

MDR-RF845R

Transmitter

TMR-RF845R

TMR-RF845R is the component model block one in the MDR-RF845RK.

COMPONENT MODEL NAME FOR MDR-RF845RK

General

Carrier frequency

863.5 – 864.5 MHz

Channel

Ch1, Ch2, Ch3

Modulation

FM stereo

Frequency response

20 – 20,000 Hz

Transmitter

Power source

DC 9 V: supplied AC power
adaptor

Audio input

phono jacks/stereo mini jack

Dimensions

Approx. 150 mm dia 

×

 108 mm

(6 

×

 4 

1

/

3

 in.) (w/h)

Mass

Approx. 190 g (6.2 oz.)

Design and specifications are subject to change without

notice.

Ver 1.0  2000. 07

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Summary of Contents for TMR-RF845R

Page 1: ...ncy response 20 20 000 Hz Transmitter Power source DC 9 V supplied AC power adaptor Audio input phono jacks stereo mini jack Dimensions Approx 150 mm dia 108 mm 6 4 1 3 in w h Mass Approx 190 g 6 2 oz Design and specifications are subject to change without notice Ver 1 0 2000 07 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 ...

Page 2: ...unauthorized replacement parts particularly transistors that were installed during a previous repair Point them out to the customer and recommend their replacement 4 Look for parts which through functioning show obvious signs of deterioration Point them out to the customer and recommend their replacement 5 Check the B voltage to see it is at the values specified 6 Flexible Circuit Board Repairing ...

Page 3: ...Cabinet assy lower 1 Note Follow the disassembly procedure in the numerical order given www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 4: ...SE BOARD Component side AF signal generator Telescopic antenna 8 cm L CH J402 TMR RF875R set TMR RF875R set Frequency counter 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 or 5 minutes 3 Measure the movable terminal of RV403 using an digital volt meter AC range and make sure the value is 1 6mVrms 0 1mV If the...

Page 5: ...in µF unless otherwise noted pF µµF 50 WV or less are not indicated except for electrolytics and tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified internal component A B Line H adjustment for repair Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal Voltages are dc with respect to ground under no signal conditions Voltages are taken wit...

Page 6: ...w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 7: ...403 D 4 IC404 B 3 IC405 D 2 Q401 D 1 Q402 B 4 Q404 B 4 Semiconductor Location TX BASE BOARD w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 8: ...163 018 00 CERAMIC CHIP 0 0056uF 5 50V C443 1 164 346 11 CERAMIC CHIP 1uF 16V C444 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C445 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C451 1 124 635 00 ELECT 220uF 20 00 6 3V C452 1 163 038 00 CERAMIC CHIP 0 1uF 25V C453 1 126 157 11 ELECT 10uF 20 16V C454 1 163 251 11 CERAMIC CHIP 100PF 5 00 50V C455 1 163 227 11 CERAMIC CHIP 10PF 0 50PF 50V C457 1 163 003 11 C...

Page 9: ...447 1 216 214 00 RES CHIP 4 7K 5 1 8W R448 1 216 049 91 RES CHIP 1K 5 1 10W R449 1 216 081 00 METAL CHIP 22K 5 1 10W R451 1 216 073 00 METAL CHIP 10K 5 1 10W R452 1 216 077 00 RES CHIP 15K 5 1 10W R453 1 216 073 00 METAL CHIP 10K 5 1 10W R454 1 216 073 00 METAL CHIP 10K 5 1 10W R455 1 216 077 00 RES CHIP 15K 5 1 10W R456 1 216 051 00 METAL CHIP 1 2K 5 1 10W R457 1 216 214 00 RES CHIP 4 7K 5 1 8W R...

Page 10: ...2000 7 Published by PE General Engineering Dept 9 927 957 11 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Reviews: