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TMR-RF975R

SECTION 2

DISASSEMBLY

2-1. HOUSING (UPPER)

Note:

Follow the disassembly procedure in the numerical order given .

Four screws (P 2

Housing (upper)

2-2. TX-BASE BOARD

TX-BASE board

Screw (P 2

Screw

Housing (upper)

2-3. CHG-NR BOARD

Housing (upper)

CHG-NR board

Four screws (P 2

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TEL 13942296513

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Содержание TMR-RF975R

Страница 1: ...5 914 5 MHz Channel Ch1 Ch2 Ch3 Modulation FM stereo Frequency response 18 22 000 Hz Transmitter TMR RF975R Power source DC 9 V supplied AC power adaptor Audio input phono jacks stereo mini jack Dimensions Approx 130 135 150 mm 5 1 4 5 3 8 6 in w h d Mass Approx 200 g 7 oz Design and specifications are subject to change without notice X X X X www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 139...

Страница 2: ... FILTER NOISE 1 2 3 CHANNEL R B A L AUDIO IN Transmitter Left channel white Right channel red Unimatch plug adaptor supplied Discman MD WALKMAN VCR etc to headphones jack stereo mini jack Connecting cord supplied to AUDIO IN A jacks to headphones jack stereo phone jack A TABLE OF CONTENTS Specifications 1 1 GENERAL 2 2 DISASSEMBLY 2 1 Housing Upper 3 2 2 TX BASE Board 3 3 ELECTRICAL ADJUSTMENTS 4 ...

Страница 3: ... TX BASE BOARD 3 TX BASE board 2 1 Screw P 2 6 Screw Housing upper 2 3 CHG NR BOARD Housing upper 2 CHG NR board 1 Four screws P 2 6 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 ...

Страница 4: ...the specified value exchange TX BASE board or CHG NR board Setting Pilot Signal and MPX Signal Modulation Check and Adjustment 1 Set the channel to CH2 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 3 Set the RV402 and RV403 to max clockwise 4 Connect a digital voltmeter AC range to the center terminal of RV403 Fig 2 5 Ad...

Страница 5: ...CH Q603 OSC Q605 REF V IC604 2 2 DETECT IC402 5V REG IC605 COMPARATOR IC603 DETECT IC604 1 2 ANT 5V ANT401 D401 D402 CHARGE TERMINAL TO MDR RF975R power chg 1 2 3 VCO401 VCO UNIT MODULATION MODULATION MODU LATION MODULATION MODULATION 7 2 1 13 CHG NR BOARD TX BASE BOARD 1 2 CHG NR BOARD 2 2 I O V B 5V D407 J404 DC IN 9V R ch is omitted due to same as L ch Signal path L AUDIO F FM SECTION 4 DIAGRAM...

Страница 6: ... 220k 1k 1 2k 1k 15k 22k 1k 1 2k 4 7k 1k 15k 4 7k 1k 22k 4 7k 1 8k 33k 33k 1 2k 470 620 22k 47k 10k 4 7k 38K 0 BA3308F ANTENNA SLR342MGT 0 01 11ES2 TA1B 2p 1 0 0033 10p 100p 100p 10 16V 1 0 0056 0 0056 1 10 16V 2 2 50V 0 1 100p 10 16V 2 2 50V 0 001 0 001 22 16V 0 1 SLR342VCT7 10 16V 390p 0 0015 510p 5mH 0 1 DTA124KA CHANNEL SET 2SC2712L MODULATION KIA78S05 KTA1266 GR POWER SWITCH 47k 680k 33k 33k ...

Страница 7: ... R431 C427 Q401 C429 C428 R432 R433 R440 R490 R456 R446 R455 Q402 R453 R441 R473 C443 R459 R458 R448 R483 R486 C483 D410 D409 3 2 1 1 R470 R468 J401 J402 J404 L409 D408 C407 C421 C422 C431 C430 C436 C470 L410 C451 JW401 JW402 JW403 JW404 JW405 JW412 JW411 JW417 JW420 C458 C453 X401 C417 Q405 C452 IC402 D403 JW415 JW416 Q404 JW413 D404 D405 L408 C441 JW407 D402 chg JW409 JW410 D406 D407 RV403 RV401...

Страница 8: ...10393 DTC144EKA TB1004AF DTC144EKA FMW1 TK10690MTL TK10690MTL 470 470 470 470 470 2 2k 22k 0 033 0 027 0 1 0 1 47 16V 0 1 1 0 0 0 1 2 2 10 16V 0 1 1 22 16V 10 16V 1 0 1 2 2 10 16V 10 16V 1 0 01 0 5V L IN R IN L OUT R OUT GND LED 9V DECT TO SWITCH SWITCH SWITCH 5V REG DETECT SWITCH AMP AMP COMPARATOR OSC 1 3 1 6 MDR RF975R TERMINAL CHARGE TO CNP402 TX BASE BOARD TO TX BASE BOARD CNP401 IC601 IC602 ...

Страница 9: ...620 R636 R637 R638 R640 R639 JW604 JW601 IC605 C624 JW603 CN601 C618 CN602 C613 JW602 C616 C612 C603 C606 C602 A TX BASE BOARD CNP402 CHARGE TERMINAL TO MDR RF975R B TX BASE BOARD CNP401 2 1 3 3 Ref No Location D601 B 3 IC601 A 1 IC602 B 1 IC603 B 4 IC604 B 4 IC605 B 4 Q601 B 3 Q602 B 4 Q603 B 3 Q604 B 4 Q605 A 4 Semiconductor Location 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 ...

Страница 10: ...rts list 2 1 5 4 11 10 6 3 8 9 7 1 1 1 1 2 2 1 X 3380 843 1 HOUSING UPPER ASSY 2 3 049 798 01 CUSHION ANTENNA 3 3 046 726 01 LIGHT GUIDE 4 A 3062 567 A TX BASE BOARD COMPLETE 5 A 3062 568 A CHG NR BOARD COMPLETE 6 3 048 485 01 TERMINAL CHARGE 7 3 048 486 01 TERMINAL CHARGE 8 X 3380 842 1 CABINET ASSY LOWER 9 4 984 729 01 FOOT RUBBER 10 3 673 766 11 CUSHION UPPER LID 11 4 213 164 01 TERMINAL ANTENN...

Страница 11: ...MIC CHIP 0 001uF 10 50V C629 1 163 009 11 CERAMIC CHIP 0 001uF 10 50V C630 1 163 021 91 CERAMIC CHIP 0 01uF 10 50V CONNECTOR CN601 1 794 571 11 HOUSING CONNECTOR CN602 1 794 571 21 HOUSING CONNECTOR DIODE D601 8 719 069 55 DIODE UDZSTE 175 6B IC IC601 8 759 384 88 IC TK10690M IC602 8 759 384 88 IC TK10690M IC603 8 759 678 31 IC TB1004AF EL IC604 8 759 510 73 IC BA10393F E2 IC605 8 759 537 90 IC KI...

Страница 12: ... 2PF 50V CONNECTOR CNP401 1 794 572 11 PIN CONNECTOR 3P CNP402 1 794 572 21 PIN CONNECTOR 6P DIODE D401 8 719 059 98 LED SLR 342VC3F power D402 8 719 048 87 LED SLR 332MGTB7 chg D403 8 719 200 82 DIODE 11ES2 D404 8 719 991 33 DIODE 1SS133T 77 D405 8 719 991 33 DIODE 1SS133T 77 D406 8 719 109 85 DIODE RD5 1ESB2 D407 8 719 109 89 DIODE RD5 6ESB2 D408 8 719 109 51 DIODE RD2 0ESB2 D409 8 719 421 40 DI...

Страница 13: ...49 11 RES CHIP 1K 5 1 10W R466 1 216 081 00 METAL CHIP 22K 5 1 10W R467 1 216 065 91 RES CHIP 4 7K 5 1 10W R468 1 216 055 00 METAL CHIP 1 8K 5 1 10W R469 1 216 085 00 RES CHIP 33K 5 1 10W R470 1 216 085 00 RES CHIP 33K 5 1 10W R471 1 216 051 00 METAL CHIP 1 2K 5 1 10W R472 1 216 041 00 METAL CHIP 470 5 1 10W R473 1 216 044 00 METAL CHIP 620 5 1 10W R474 1 216 044 00 METAL CHIP 620 5 1 10W R482 1 2...

Страница 14: ...the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 05 New 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 ...

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