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Sony TMR-RF975R Service Manual
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Sony TMR-RF975R Service Manual

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3 7 63 1515 0

SERVICE MANUAL

Ver 1.0 2001. 05
TMR-RF975R is the component model block one in the MDR-RF975RK.
COMPONENT MODEL NAME FOR MDR-RF975RK
Headphones
MDR-RF975R
Transmitter
TMR-RF975R
TE
L 13942296513
www
.
Sony Corporation
9-873-140-11
Personal Audio Company
2001E0200-1
Shinagawa Tec Service Manual Production Group
© 2001.5
http://www.xiaoyu163.com
General
Carrier frequency
Channel
Modulation
Frequency response
Transmitter TMR-RF975R
Power source
Audio input
Dimensions
Mass
Design and specifications are subject to change without
notice.
x
ao
u163
y
i
http://www.xiaoyu163.com
TMR-RF975R
2 9
8
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
913.5 – 914.5 MHz
Ch1, Ch2, Ch3
FM stereo
18 – 22,000 Hz
DC 9 V: supplied AC power adaptor
phono jacks/stereo mini jack
Approx. 130 135 150 mm
X
X
(5
1
/
5
3
/
6 in.) (w/h/d)
X
X
4
8
Approx. 200 g (7 oz.)
co
.
9 4
2 8
US Model
0 5
8
2 9
9 4
2 8
m
TRANSMITTER
9 9
9 9

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Summary of Contents for Sony TMR-RF975R

  • Page 1: Service Manual

    TMR-RF975R 3 7 63 1515 0 SERVICE MANUAL US Model Ver 1.0 2001. 05 TMR-RF975R is the component model block one in the MDR-RF975RK. COMPONENT MODEL NAME FOR MDR-RF975RK Headphones MDR-RF975R Transmitter TMR-RF975R L 13942296513 SPECIFICATIONS General Carrier frequency 913.5 –...

  • Page 2: Table Of Contents

    TMR-RF975R 3 7 63 1515 0 TABLE OF CONTENTS SECTION 1 GENERAL Specifications ................1 This section is extracted from instruction manual. 1. GENERAL ............... 2 2. DISASSEMBLY 2-1. Housing (Upper) ............3 Setting up the 2-2. TX-BASE Board ............3 transmitter 3.

  • Page 3: Disassembly

    TMR-RF975R SECTION 2 3 7 63 1515 0 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given . 2-1. HOUSING (UPPER) Housing (upper) L 13942296513 1 Four screws (P 2 × 8) 2-2. TX-BASE BOARD 2-3. CHG-NR BOARD...

  • Page 4: Electrical Adjustments

    TMR-RF975R SECTION 3 ELECTRICAL ADJUSTMENTS 3 7 63 1515 0 Setting : Pilot Signal and MPX Signal Modulation Check and Adjustment AF signal 1. Set the channel to CH2. generator 2. An electric wave is output for 5 or 10 minutes when OFF to ON a power supply with no signal input (Power indicator will ON).

  • Page 5: Diagrams

    SECTION 4 TMR-RF975R DIAGRAMS 4-1. BLOCK DIAGRAMS 3 7 6 3 1 5 1 5 0 TX-BASE BOARD RV401 (1/2) CHG-NR BOARD MODULATION D408 IC601 IC403 ANT401 (L-CH) STEREO MPX IC602 RV403 IC401 MODULATION (R-CH) RV402 Q403 R-CH J401...

  • Page 6: Schematic Diagram- Tx-Base Section

    TMR-RF975R 4-2. SCHEMATIC DIAGRAM –TX-BASE SECTION – 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 Note on schematic diagrams. w w w Note: • Voltages are taken with a VOM (Input impedance 10 M ).

  • Page 7: Printed Wiring Board - Tx-Base Section

    TMR-RF975R 4-3. PRINTED WIRING BOARD –TX-BASE SECTION – 3 7 6 3 1 5 1 5 0 • Semiconductor ANT401 Location ANTENNA Ref. No. Location D401 D402 D403 AUDIO IN D404 D405 DC IN 9V TX-BASE BOARD D406 S402...

  • Page 8: Schematic Diagram - Battery Charger Section

    TMR-RF975R • See page 6 for Note. 4-4. SCHEMATIC DIAGRAM –BATTERY CHARGER SECTION – 3 7 6 3 1 5 1 5 0 1 3 9 4 2 2 9 6 5 1 3 IC601, IC602 TK10690M IC603 TB1004AF(EL)

  • Page 9: Printed Wiring Board - Battery Charger Section

    TMR-RF975R 4-5. PRINTED WIRING BOARD –BATTERY CHARGER SECTION – 3 7 6 3 1 5 1 5 0 • Semiconductor Location Ref. No. Location D601 CHG-NR BOARD IC601 IC602 IC603 IC604 IC605 Q601 Q602 Q603 Q604 Q605 2 1 3...

  • Page 10: Exploded Views

    TMR-RF975R SECTION 5 EXPLODED VIEWS 3 7 63 1515 0 NOTE: • The mechanical parts with no reference number • -XX, -X mean standardized parts, so they may in the exploded views are not supplied. have some differences from the original one.

  • Page 11: Electrical Parts List

    TMR-RF975R SECTION 6 ELECTRICAL PARTS LIST CHG-NR 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks NOTE: • Due to standardization, replacements in the • CAPACITORS: • SEMICONDUCTORS uF: µF parts list may be different from the parts In each case, u: µ, for example:...
  • Page 12 TMR-RF975R TX-BASE 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-3062-567-A TX-BASE BOARD, COMPLETE D403 8-719-200-82 DIODE 11ES2 ********************* D404 8-719-991-33 DIODE 1SS133T-77 D405 8-719-991-33 DIODE 1SS133T-77 3-673-766-11 CUSHION, UPPER LID D406 8-719-109-85 DIODE RD5.1ESB2...
  • Page 13 TMR-RF975R TX-BASE 3 7 63 1515 0 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R426 1-216-061-00 RES-CHIP 3.3K 1/10W R427 1-216-033-00 METAL CHIP 1/10W R428 1-216-045-00 METAL CHIP 1/10W R429 1-216-073-00 RES-CHIP 1/10W R430...
  • Page 14 TMR-RF975R 3 7 63 1515 0 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page.

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