Sony WRR-862A Service Manual
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Sony WRR-862A Service Manual

Uhf synthesized dual diversity tuner
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UHF SYNTHESIZED DUAL DIVERSITY TUNER
WRR-862A
WRR-862B
SERVICE MANUAL
1st Edition (Revised 2)

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Summary of Contents for Sony WRR-862A

  • Page 1 UHF SYNTHESIZED DUAL DIVERSITY TUNER WRR-862A WRR-862B SERVICE MANUAL 1st Edition (Revised 2)
  • Page 2 Ce manual est destiné uniquement aux personnes compétentes en charge de l’entretien. Afin de réduire les risques de décharge électrique, d’incendie ou de blessure n’effectuer que les réparations indiquées dans le mode d’emploi à moins d’être qualifié pour en effectuer d’autres. Pour toute réparation faire appel à une personne compétente uniquement. WRR-862A/862B...

  • Page 3: Table Of Contents

    4. Spare Parts 4-1. Notes on Repair Parts .................. 4-1 4-2. Exploded Views and Parts List ..............4-2 4-3. Electrical Parts List ..................4-4 4-4. Supplied Accessories ................4-30 5. Semiconductor Pin Assignments ..........5-1 6. Block Diagram ..................6-1 WRR-862A/862B...
  • Page 4 RX-60 ......................7-3 RX-74 ......................7-4 AU-276 ......................7-5 AU-285 ......................7-6 8. Schematic Diagrams RX-60 ......................8-2 CN-2176 ...................... 8-2 RX-74 ......................8-8 CN-2288 ...................... 8-8 AU-276 ...................... 8-13 CN-2168 ....................8-13 AU-285 ...................... 8-15 CN-2287 ....................8-15 WRR-862A/862B...
  • Page 7 TX BATT SQUELCH MONITOR BATT BATT BATT BATT CONTROL MODE POWER OFF ON...

  • Page 11: Service Overview

    Section 2 Service Overview 2-1. Disassembly Battery case assy Case (Upper) Screw (DIA. 2.6x24) to page 2-2 Battery case assy Case (upper) Panel (upper) Button (4 gangs) Light guide plate (2 gangs) to page 2-2 Case insulating sheet Case (upper) WRR-862A/862B...
  • Page 12 +P 2x4 to page 2-3 AU-276/285 board Unsolder Cushion (ANT) Bracket (ANT2) +P 2x4 Coaxial connector Connector (S) 4P (BNC type) Battery spring (MID) /Battery spring (END) Bracket (P) Connector (4p) Sheet (spring retainer) Battery spring (MID) Battery spring (END) WRR-862A/862B...
  • Page 13 RX-60/74 Board/Case (Lower) /Flat type wire Partition (Shield) (20 Core) /Coaxial cable Assy Shield insulating sheet Flat type wire (20 core) +B 2x5, tapping Coaxial cable assy Coaxial cable assy Coaxial cable Partition assy RX-60/74 board (shield) Case (lower) WRR-862A/862B...

  • Page 14: Notes On Replacing The Parts

    . Replace the flexible card wire with part number 1-757-587-21. 4. When replacing the connector (Ref No. CN402) of RX-60 or RX-74 board. . Replace the connector (Ref No. CN402) with part number 1-778-648-52. . Replace the flexible card wire with part number 1-757-587-21. WRR-862A/862B...

  • Page 15: Electrical Alignment

    Gain : 0 dB to 70 dB (with A-weighted filter) Oscilloscope Frequency: DC to 30 MHz Tools Name Part No. Remarks AF Output Cable 1-574-041-12 Supplied with WRR-862A/862B Adjuster (0.4 x 1.3 mm) 7-221-052-81 Screwdriver for adjustment Connector 4P (Round type) 1-566-425-11 WRR-862A/862B...

  • Page 16: Notes On Adjustment

    U3032 model : Group 00, 3201 channel (578.125 MHz) U4244 model : Group 00, 4401 channel (650.125 MHz) U6264 model : Group 00, 6401 channel (770.125 MHz) U6668 model : Group 00, 6801 channel (794.125 MHz) AU66 model : Group 00, 6701 channel (799.250 MHz) WRR-862A/862B...

  • Page 17: Current Consumption Check

    CL1351 (Tuner 2) POWER Procedure (S1701) (1) Remove the case (upper) from the WRR-862A/862B unit. (For removal, refer to the Section 2.) AU-276/285 board (2) Current Consumption Check during Battery Operation (B side) 1. Connect a DC power supply (+6 Vdc ± 0.1 V) as shown in the figure below.

  • Page 18: Reference Frequency (4 Mhz Oscillation Frequency)

    Mic amp (Noise meter) Connection/Adjustment Location Oscilloscope When adjustment is performed, remove the case (upper) AF Output cable (supplied with WRR-862A/862B) Adjuster (0.4 x 1.3 mm) : (Part No. 7-221-652-81) from the WRR-862A/862B unit. Connector 4P (Part No. 1-566-425-11) AU-276 board (B side) Preparation (1) Remove the case (upper) and the partition.
  • Page 19 (1) Connect the signal generator to the ANT a connector. =_58.0 dBm ± 0.5 dB (at 600 Z loaded) (2) Turn OFF the WRR-862A/862B POWER switch (S501). Adjustment : 1RV711/RX-60/74 board (B side) (3) Set the CONTROL switch (S1601) to “1”.
  • Page 20 (Tuner 1). repeat from procedure (1). (15)Connect the signal generator to the ANT b connector. 2 If the above conditions (the “ERR-06” indication appears) remain even after re-adjustment, it is nec- essary to check the RF circuit. WRR-862A/862B...
  • Page 21 (21)Make sure that the indication “ERR-06” is not displayed . AU66 model (AU66) on the LCD (Tuner 1), and then press the “SET” switch. (26)After the adjustment (for Tuner 1) is completed, Tuner 1 will return to normal operation mode. WRR-862A/862B...

  • Page 22: S/N Checking

    U6264 model : 759.000 MHz Mic amp (Noise mete) U6668 model : 783.000 MHz Oscilloscope AU66 model : 793.000 MHz AF Output cable (supplied with WRR-862A/862B) RF OUTPUT (Output level) : 20 dBuV Connector 4 P (Part No. 1-566-425-11) (=_93 dBm) Connection...
  • Page 23 RF OUTPUT (output level) : 60 dBuV (12)Set the audio analyzer to the distortion mode. (13)Turn ON the MODULATION of the signal generator. (14)Check that distortion ratio is 0.9 % or less (_41 dB or less) with A-weighted filter. WRR-862A/862B...

  • Page 24: Distortion Ratio Check

    MODULATION (Modulation frequency) : 1 kHz DEVIATION (Frequency deviation) : ± 40 kHz (6) Set the audio analyzer (A-weighted filter : OFF) to the distortion mode, and check that the distortion ratio than 0.9 % (_41 dB or less). 3-10 WRR-862A/862B...

  • Page 25: Frequency Characteristic Check

    U6264 model : 770.125 MHz U6668 model : 794.125 MHz AU66 model : 799.250 MHz RF OUTPUT (Output level) : 60 dBuV (= _53 dBm) MODULATION (Modulation frequency) : 1 kHz DEVIATION (Frequency deviation) : ± 5 kHz 3-11 WRR-862A/862B...

  • Page 26: Rf Squelch Level Check

    RF OUTPUT (Output level) : 60 dBuV (= _53 dBm) MODULATION (Modulation frequency) : 1 kHz DEVIATION (Frequency deviation) : ± 5 kHz (5) Check that RF Indicator LED lights (green) and “NO TONE” message appears on LCD (Tuner 1 ). 3-12 WRR-862A/862B...
  • Page 27 CE62 model : 798.125 MHz CE67 model : 838.125 MHz U1416 model : 470.125 MHz U3032 model : 566.125 MHz U4244 model : 638.125 MHz U6264 model : 758.125 MHz U6668 model : 782.125 MHz AU66 model : 792.250 MHz 3-13 WRR-862A/862B...

  • Page 28: Rf Level Indicator Check

    U1416 model : 470.125 MHz ( =_103 dBm) U3032 model : 566.125 MHz MODULATION (Modulation frequency) : U4244 model : 638.125 MHz OFF (No modulation) U6264 model : 758.125 MHz U6668 model : 782.125 MHz AU66 model : 792.250 MHz 3-14 WRR-862A/862B...

  • Page 29: Af Level Indicator/Af Indicator Check

    (= _53 dBm) When performing the above described checking change the following detail as shown below. MODULATION (Modulation frequency) : 1 kHz OUTPUT 1 → OUTPUT 2 DEVIATION (Frequency deviation) : ± 1.4 kHz → Tuner 2 Tuner 1 3-15 WRR-862A/862B...

  • Page 30: Tone Squelch Check

    U6668 model : 794.125 MHz AU66 model : 799.250 MHz RF OUTPUT (Output level) : 60 dBuV (= _53 dBm) MODULATION (Modulation frequency) : 32.768 kHz (32.768 kHz must be set by connecting Function generator) DEVIATION (Frequency deviation) : ± 1.4 kHz 3-16 WRR-862A/862B...
  • Page 31 U6668 model : 794.125 MHz AU66 model : 799.250 MHz RF OUTPUT (Output level) : 60 dBuV (= _53 dBm) MODULATION (Modulation frequency) : 32.782 kHz (32.782 kHz must be set by connecting Function generator) DEVIATION (Frequency deviation) : ± 2.1 kHz 3-17 WRR-862A/862B...
  • Page 32 Tuner 2 channel setting. (4) Perform the checking from the procedures (4) to (6) in “Step 1. Tuner 1 checking”. When performing the above described checking change the following detail as shown below. Tuner 1 → Tuner 2 3-18 WRR-862A/862B...

  • Page 33: Spare Parts

    Therefore, specified parts should be used in the case of replacement. 2. Standardization of Parts Some repair parts supplied by Sony differ from those used for the unit. These are because of parts common- ality and improvement. Parts list has the present standardized repair parts.

  • Page 34: Exploded Views And Parts List

    4-2. Exploded Views and Parts List P 1.4x4.5 P 2x4 P 2x3 P 2x4 WRR-862A/862B...
  • Page 35 INSULATING SHEET, CASE 3-205-171-01 INSULATING SHEET, SHIELD 3-863-764-01 PLATE T, BL 3-205-173-02 SCREW (DIA. 2.6X24) 3-205-241-02 SHEET (SPRING RETAINER) 3-205-338-01 CUSHION (ANT) 3-678-343-01 CASE (LCD) 3-719-156-01 KNOB (3P), SW 3-727-903-11 SCREW (2X5), TAPPING, +B 3-205-411-01 SHEET (ANT) 3-205-412-01 SHEET (ANT2) WRR-862A/862B...

  • Page 36: Electrical Parts List

    1-770-623-21 s PIN, CONNECTOR 6P C1181 1-164-850-11 s CAP, CHIP CERAMIC 10PF CH 1005 CN1521 1-770-623-21 s PIN, CONNECTOR 6P C1182 1-125-777-11 s CAP, CHIP CERAMIC 0.1MF B 1005 CN1701 1-778-648-52 o CONNECTOR, FFC (ZIF) 20P CN1801 1-778-648-52 o CONNECTOR, FFC (ZIF) 20P WRR-862A/862B...
  • Page 37 1-208-707-11 s RES, CHIP 10K (1005) IC1403 8-759-058-60 s IC TC7SU04FU(TE85R) R1069 1-218-974-11 s RES, CHIP 56K (1005) IC1501 8-759-451-52 s IC TK11230BMCL R1070 1-208-713-11 s RES, CHIP 18K (1005) IC1511 8-759-466-70 s IC S-80827ANNP-EDQ-T2 R1071 1-208-953-11 s RES, CHIP 560K (1005) WRR-862A/862B...
  • Page 38 1-208-683-11 s RES, CHIP 1.0K (1005) R1451 1-218-941-11 s RES, CHIP 100 (1005) R1183 1-208-719-11 s RES, CHIP 33K (1005) R1452 1-208-683-11 s RES, CHIP 1.0K (1005) R1184 1-208-935-11 s RES, CHIP 100K (1005) R1453 1-208-643-11 s RES, CHIP 22 (1005) WRR-862A/862B...
  • Page 39 1-117-607-11 s CAPACITOR,CERAMIC 24PF CH 1005 C1162 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1163 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1164 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1165 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1166 1-125-777-11 s CAPACITOR CERAMIC 0.1MF/10V C1181 1-164-850-11 s CAPACITOR,CHIP CERAMIC 10PF/50 WRR-862A/862B...
  • Page 40 1-109-982-11 s CAPACITOR,CHIP CERAMIC 1MF/10V C1703 1-131-860-11 s CAPACITOR,TANTALUM ELECT 4.7MF IC1201 8-759-466-68 s IC MC33077D (R2) C1801 1-131-860-11 s CAPACITOR,TANTALUM ELECT 4.7MF IC1251 8-759-048-93 s IC LA4534M C1802 1-131-860-11 s CAPACITOR,TANTALUM ELECT 4.7MF IC1301 6-803-876-01 s IC UPD75P3036GK-R862-V1.5 WRR-862A/862B...
  • Page 41 1-208-683-11 s RESISTOR CHIP 1K 1/16W (1005) R1165 1-208-935-11 s RESISTOR, CHIP 100K (1005) R1063 1-208-652-11 s RESISTOR CHIP 51 1/16W (1005) R1166 1-208-691-11 s RESISTOR CHIP 2.2K 1/16W(1005) R1064 1-208-923-11 s RESISTOR, CHIP 33K (1005) R1167 1-208-953-11 s RESISTOR CHIP 560K WRR-862A/862B...
  • Page 42 1-208-927-11 s RESISTOR, CHIP 47K 1/16W(1005) R1406 1-208-927-11 s RESISTOR, CHIP 47K 1/16W(1005) R1407 1-208-935-11 s RESISTOR, CHIP 100K (1005) R1408 1-208-935-11 s RESISTOR, CHIP 100K (1005) R1409 1-208-935-11 s RESISTOR, CHIP 100K (1005) R1410 1-208-671-11 s RESISTOR CHIP 330 1/16W (1005) 4-10 WRR-862A/862B...
  • Page 43 1-770-620-21 s PIN, CONNECTOR 3P FB1901 1-414-227-11 s INDUCTOR, FERRITE BEAD FB1902 1-414-227-11 s INDUCTOR, FERRITE BEAD FB1903 1-414-227-11 s INDUCTOR, FERRITE BEAD FB1904 1-414-227-11 s INDUCTOR, FERRITE BEAD FB1905 1-414-227-11 s INDUCTOR, FERRITE BEAD FB1906 1-414-227-11 s INDUCTOR, FERRITE BEAD 4-11 WRR-862A/862B...
  • Page 44 1-164-848-11 s CAP, CHIP CERAMIC 8PF CH 1005 C235 1-164-847-11 s CAP, CHIP CERAMIC 7PF CH 1005 C241 1-164-854-11 s CAP, CHIP CERAMIC 15PF CH 1005 C242 1-164-937-11 s CAP, CHIPCERAMIC 1000PF B 1005 C243 1-164-937-11 s CAP, CHIPCERAMIC 1000PF B 1005 4-12 WRR-862A/862B...
  • Page 45 (CE33/U30 model) (CE62/CE67/U62/U66/AU66 model) 1-164-230-11 s CAP,CERAMIC 220PF CH 1608 (CE21/U14 model) C334 1-164-937-11 s CAP, CHIPCERAMIC 1000PF B 1005 C335 1-164-847-11 s CAP, CHIP CERAMIC 7PF CH 1005 C341 1-164-854-11 s CAP, CHIP CERAMIC 15PF CH 1005 4-13 WRR-862A/862B...
  • Page 46 1-164-862-11 s CAP, CHIP CERAMIC 33PF CH 1005 C564 1-164-862-11 s CAP, CHIP CERAMIC 33PF CH 1005 C565 1-164-862-11 s CAP, CHIP CERAMIC 33PF CH 1005 C566 1-164-937-11 s CAP, CHIPCERAMIC 1000PF B 1005 C567 1-164-862-11 s CAP, CHIP CERAMIC 33PF CH 1005 4-14 WRR-862A/862B...
  • Page 47 1-781-482-21 s DISCRIMINATOR, CERAMIC C663 1-125-777-11 s CAP, CHIP CERAMIC 0.1MF B 1005 C664 1-125-777-11 s CAP, CHIP CERAMIC 0.1MF B 1005 C671 1-125-777-11 s CAP, CHIP CERAMIC 0.1MF B 1005 C672 1-135-177-21 s CAP,CHIP TANTALUM ELECT 1.0MF 4-15 WRR-862A/862B...
  • Page 48 1-234-629-21 s FILTER, BAND PASS (U66/AU66 model) IC381 8-759-355-20 s IC TA31161FN(EL) 1-234-630-21 s FILTER, BAND PASS (CE62 model) IC391 8-752-066-93 s IC CXA1611N-T4 1-234-632-21 s FILTER, BAND PASS (CE67 model) IC401 8-759-825-42 s IC MAX2640EUT-TG069 IC411 8-759-825-43 s IC MAX2632EUK-TG069 4-16 WRR-862A/862B...
  • Page 49 1-414-464-31 s INDUCTOR, CHIP (J) 12NH L312 1-414-464-31 s INDUCTOR, CHIP (J) 12NH (CE62/CE67/U62/U66/AU66 model) (CE62/CE67/U62/U66/AU66 model) 1-414-467-31 s INDUCTOR, CHIP (J) 22NH 1-414-466-11 s INDUCTOR, CHIP (J) 18NH (CE33/U30 model) (CE21/CE33/U14/U30 model) 1-414-468-11 s INDUCTOR, CHIP (J) 27NH (CE21/U14 model) 4-17 WRR-862A/862B...
  • Page 50 1-795-139-21 s OSCILLATOR (CE21/U14 model) L423 1-414-851-21 s INDUCTOR, CHIP 47NH (1005) 1-795-141-21 s OSCILLATOR (U62/U66/AU66 model) L431 1-414-462-31 s INDUCTOR, CHIP (J) 8.2NH 1-795-228-21 s OSCILLATOR (CE62 model) 1-795-229-21 s OSCILLATOR (CE67 model) 1-795-300-21 s OSCILLATOR (CE33/U30 model) 4-18 WRR-862A/862B...
  • Page 51 1-218-945-11 s RES, CHIP 220 (1005) R122 1-220-876-81 s RES, CHIP 18 (1005) R291 1-208-663-11 s RES, CHIP 150 (1005) R123 1-208-873-81 s RES, CHIP 270 (1005) R124 1-208-931-11 s RES, CHIP 68K (1005) R125 1-208-715-11 s RES, CHIP 22K (1005) 4-19 WRR-862A/862B...
  • Page 52 1-208-719-11 s RES, CHIP 33K (1005) R606 1-208-643-11 s RES, CHIP 22 (1005) R607 1-208-643-11 s RES, CHIP 22 (1005) R453 1-208-719-11 s RES, CHIP 33K (1005) R611 1-218-941-11 s RES, CHIP 100 (1005) R454 1-218-974-11 s RES, CHIP 56K (1005) 4-20 WRR-862A/862B...
  • Page 53 1-760-815-11 s OSCILLATOR, CRYSTAL R781 1-208-703-11 s RES, CHIP 6.8K (1005) R782 1-208-695-11 s RES, CHIP 3.3K (1005) R783 1-208-701-11 s RES, CHIP 5.6K (1005) R784 1-218-849-11 s RES, CHIP 1.2K (1005) R801 1-208-709-11 s RES, CHIP 12K (1005) 4-21 WRR-862A/862B...
  • Page 54 ----------- RX-74 BOARD (RX-74 BOARD) ----------- Ref. No. *a:[WRR-862A(AU)] or Q'ty Part No. SP Description *b:[WRR-862B(CE62)] *c:[WRR-862B(CE67)] C156 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF *d:[WRR-862B(U6668)] C157 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF *e:[WRR-862B(U6668)] C158 1-119-923-11 s CAPACITOR,CHIP CERAMIC 0.047MF *f:[WRR-862B(U3032)] C160 1-164-413-91 s CAPACITOR,CERAMIC 120PF RH 50V...
  • Page 55 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C393 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C493 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C394 1-117-919-11 s CAPACITOR, CHIP TANTALUM10MF C494 1-117-919-11 s CAPACITOR, CHIP TANTALUM10MF C395 1-164-943-11 s CAPACITOR,CHIP CERAMIC 0.01MF C396 1-131-860-11 s CAPACITOR,TANTALUM ELECT 4.7MF 4-23 WRR-862A/862B...
  • Page 56 1-127-954-11 s CAPACITOR,CHIP FILM 0.047MF C561 1-164-937-11 s CAPACITOR,CHIP CERAMIC 1000PF C683 1-164-866-11 s CAPACITOR,CHIP CERAMIC 47PF/50 C562 1-164-862-11 s CAPACITOR,CHIP CERAMIC 33PF/50 C701 1-127-895-11 s CAPACTOR,C.TANTALUM ELECT 22MF C563 1-164-862-11 s CAPACITOR,CHIP CERAMIC 33PF/50 C702 1-164-866-11 s CAPACITOR,CHIP CERAMIC 47PF/50 4-24 WRR-862A/862B...
  • Page 57 1-813-415-11 s FILTER, CERAMIC *b 1-234-630-11 s FILTER, BAND PASS CF391 1-813-356-11 s FILTER, CERAMIC *c 1-234-632-11 s FILTER, BAND PASS CF451 1-813-415-11 s FILTER, CERAMIC *f 1-234-620-21 s FILTER, BAND PASS *g 1-234-623-21 s FILTER, BAND PASS 4-25 WRR-862A/862B...
  • Page 58 1-414-468-11 s INDUCTOR, CHIP (K)(27NH) IC631 8-759-564-49 s IC TC7W53FU-TE12R *f*g 1-414-470-31 s INDUCTOR, CHIP (J) 39NH IC641 8-759-466-68 s IC MC33077D (R2) L233 1-414-917-31 s INDUCTOR, CHIP 120.0NH L241 1-469-187-11 s INDUCTOR, CHIP 68NH (1005) L242 1-414-695-11 s INDUCTOR, CHIP 220NH 4-26 WRR-862A/862B...
  • Page 59 8-729-054-96 s TRANSISTOR 2SK1067-4-TL L452 1-414-851-11 s INDUCTOR, CHIP 47NH (1005) Q451 8-729-047-25 s TRANSISTOR 3SK254-T2 Q452 8-729-047-25 s TRANSISTOR 3SK254-T2 L453 1-414-917-31 s INDUCTOR, CHIP 120.0NH Q471 8-729-016-34 s TRANSISTOR 2SC4915-O-TE85L L454 1-412-947-11 s INDUCTOR 4.7UH (2520) 4-27 WRR-862A/862B...
  • Page 60 1-208-873-11 s RESISTOR,CHIP 270 1/16W (1005) R402 1-220-880-11 s RESISTOR,CHIP 27 (1005) R222 1-220-876-11 s RESISTOR CHIP 18 1/16W(1005) R403 1-208-647-11 s RESISTOR CHIP 33 1/16W (1005) R223 1-208-873-11 s RESISTOR,CHIP 270 1/16W (1005) R404 1-220-880-11 s RESISTOR,CHIP 27 (1005) 4-28 WRR-862A/862B...
  • Page 61 1-208-643-11 s RESISTOR CHIP 22 1/16W (1005) R771 1-208-703-11 s RESISTOR,CHIP 6.8K 1/16W(1005) R584 1-218-941-11 s RESISTOR,CHIP 100 1/16W (1005) R772 1-208-643-11 s RESISTOR CHIP 22 1/16W (1005) R601 1-218-941-11 s RESISTOR,CHIP 100 1/16W (1005) R773 1-208-643-11 s RESISTOR CHIP 22 1/16W (1005) 4-29 WRR-862A/862B...

  • Page 62: Supplied Accessories

    1-804-351-21 s THERMISTOR (330) TH701 1-804-355-21 s THERMISTOR (33K) TH702 1-804-351-21 s THERMISTOR (330) TH711 1-804-355-21 s THERMISTOR (33K) TH712 1-804-351-21 s THERMISTOR (330) 1-757-587-11 o WIRE, FLAT TYPE (20CORE) 1-757-587-11 o WIRE, FLAT TYPE (20CORE) X541 1-760-815-11 s OSCILLATOR, CRYSTAL 4-30 WRR-862A/862B...
  • Page 63 RN1104-TE85L ........5-2 S-80827ANNP-EDQ-T2 ...... 5-4 S-8323D30MC-EZK-T2 ....... 5-4 S-8520F33MC-BNS-T2 ....... 5-4 SA575DK-T ......... 5-5 TA31161FN (EL) ......... 5-5 TA75W393FU-TE12R ......5-5 TC7SU04FU (TE85R) ......5-5 TC7W14FU (TE12R) ......5-5 TC7W53FU (TE12R) ......5-5 TK11230BMCL ........5-5 TK70006STL ........5-5 WRR-862A/862B...
  • Page 64 01ZA8.2 (TPL3) 2SC4915-O-TE85L HAT1044M-EL 2SC4919-TL -TOP VIEW- -TOP VIEW- 2SK1067-4-TL 1SS400TE-61 CRS02 (TE85L) -TOP VIEW- RN1104-TE85L -TOP VIEW- CL-165HR/YG-D-T 2SK3019TL GREEN (WIDE) 3SK254-T2 FA1113F-Y641-TR 3SK255-T2 -TOP VIEW- -TOP VIEW- CPH3106-PM-TL MA133-TX -TOP VIEW- SML-310LTT86 LED DIE DTA124EE-TL -TOP VIEW- DTC124EE-TL WRR-862A/862B...
  • Page 65 SWITCH CIRCUIT : WRITE PROTECT Amp1 OUT1 INPUT/OUTPUT : SERIAL DATA PRE GND POWER GND Amp2 OUT2 BIAS CXA1611N-T4 (SONY) FM/AM RADIO —TOP VIEW— MAX2632EUK-TG069 (MAXIM) BAND SIG RF AMPLIFIER —TOP VIEW— FM DISCRI AM OSC RIPPLE BIAS BIAS FM OSC...
  • Page 66 Soft start circuit 1.2 V S-8520F33MC-BNS-T2 (SEIKO) MC33077DR2 (MOTOROLA) STEP-DOWN SWITCHING REGULATOR —TOP VIEW— DUAL OPERATIONAL AMPLIFIERS —TOP VIEW— Reference voltage Oscillation Circuit source with soft start VOUT PWM or PWMPFM switched control circuit ON/OFF VOUT ON/OFF ON/OFF WRR-862A/862B...
  • Page 67 —TOP VIEW— REFERENCE NOISE BYPASS TK70006STL (TOKO) RIPPLE FILTER —TOP VIEW— ON/OFF Vout VOUT CONT TC7SU04FU (TE85R) (TOSHIBA) 0.6µA C-MOS INVERTER —TOP VIEW— 300kΩ CONT Y = A 300kΩ GND 3 0 : LOW LEVEL 1 : HIGH LEVEL WRR-862A/862B...
  • Page 68 _ switch TXBATT Trasnmitter battery status SET switch detect EEPROM/PLL Clock TONE Tone detect DATA PLL Data Master/Slave select PLL Load Enable Diversity control PLL Power Save AF mute PLL Lock Detect Transmitted Data PLL-POWER PLL Power EEPROM Write Protect WRR-862A/862B...

  • Page 69: Block Diagram

    A of tuner 2, Q421 for antenna B of tuner 2). The 2nd IF amplifier IC also outputs the RSSI signal, which The voltage of most circuits of the WRR-862A/862B is +3.2 V, but that of the audio circuit is ± 3.2 V. Negative...
  • Page 70 LEDs are two color type and independent for antenna A and B, and tuner 1 and 2 (D1305 for antenna A of tuner 1, D1304 for antenna B of tuner 1, D1405 for antenna A of tuner 2, D1404 for antenna B of tuner 2). WRR-862A/862B...
  • Page 71 IC491 RF AMP Q451,452 IF AMP AF AMP IC902,Q903 IC901,Q901 Q801,802 IF AMP 1st Mixer- 2nd Mixer- IC701(2/2) MAX2632 2SC4915 TA31161FN DC-DC RX-60/74 IC481 CF491 +3.3V CONV MAX2681 IC801 3SK254 VOLTAGE Ceramic IC951,Q951 DETECTOR Discriminator DC-DC 10.7MHz -3.3V CONV WRR-862A/862B...
  • Page 73 SUFFIX: -11 SUFFIX: -21, -31 SUFFIX: -21, -31 CN1901 C1903 C1903 C1901 C1901 CN-2168 (2/2) CN-2168 (2/2) CN-2287 (2/2) CN-2287 (2/2) -A SIDE- -B SIDE- -A SIDE- -B SIDE- SUFFIX: -11 SUFFIX: -11 SUFFIX: -21, -31 SUFFIX: -21, -31 WRR-862A/862B...
  • Page 74 -B SIDE- -A SIDE- -B SIDE- SUFFIX: -11 SUFFIX: -11 SUFFIX: -21 SUFFIX: -21 CN-2176 (2/2) CN-2176 (2/2) CN-2288 (2/2) CN-2288 (2/2) -A SIDE- -B SIDE- -A SIDE- -B SIDE- SUFFIX: -11 SUFFIX: -11 SUFFIX: -21, -31 SUFFIX: -21, -31 WRR-862A/862B...
  • Page 75 RX-60 RX-60 RX-60 RX-60 -A SIDE- -B SIDE- SUFFIX: -11 SUFFIX: -11 WRR-862A/862B...
  • Page 76 R854 Q804 Q804 D951 D951 IC951 IC951 C803 C803 L951 L951 D851 D851 C801 C801 L901 L901 L952 L952 L953 L953 R803 R803 C802 C802 D803 D803 RX-74 RX-74 -B SIDE- -A SIDE- SUFFIX: -21, -31 SUFFIX: -21, -31 WRR-862A/862B...
  • Page 77 AU-276 AU-276 AU-276 AU-276 -A SIDE- -B SIDE- SUFFIX: -11 SUFFIX: -11 WRR-862A/862B...
  • Page 78 C1065 R1049 R1049 R1069 R1069 R1087 R1087 R1050 R1050 CL1522 CL1522 R1048 R1048 R1042 R1042 CN1521 CN1521 X1061 X1061 C1045 C1045 C1043 C1043 R1043 R1043 CL1521 CL1521 AU-285 AU-285 -A SIDE- -B SIDE- SUFFIX: -21, -31 SUFFIX: -21, -31 WRR-862A/862B...
  • Page 79 Section 8 Schematic Diagrams WRR-862A/862B...
  • Page 80 5 pF 12 nH 12 nH 4 pF CE33/U30 4 pF 27 nH 15 pF 5 pF 10 nH 10 nH 4 pF CE62/CE67/ 4 pF 18 nH 15 pF 3 pF 8.2 nH 8.2 nH 2 pF U62/U67/AU66 WRR-862A/862B...
  • Page 81 6.8 nH 2 pF U62/U67/AU66 N.M:No mount Model Highest-channel Lowest-channel CE21/CE33/CE62 about 1.5V about 0.5V U14/U30/U62 RX-60 (1/3) CE67 about 2.2V about 1.0V about 2.5V about 1.5V AU66 about 2.5V about 1.5V BOARD NO. 1-681-020-11 CN-2176 (1/2) BOARD NO. 1-681-022-11 WRR-862A/862B...
  • Page 82 5 pF 12 nH 12 nH 4 pF CE33/U30 4 pF 27 nH 15 pF 5 pF 10 nH 10 nH 4 pF CE62/CE67/ 4 pF 18 nH 15 pF 3 pF 8.2 nH 8.2 nH 2 pF U62/U67/AU66 WRR-862A/862B...
  • Page 83 6.8 nH 2 pF U62/U67/AU66 N.M:No mount Model Highest-channel Lowest-channel CE21/CE33/CE62 about 1.5V about 0.5V U14/U30/U62 CE67 about 2.2V about 1.0V RX-60 (2/3) about 2.5V about 1.5V AU66 about 2.5V about 1.5V BOARD NO. 1-681-020-11 CN-2176 (2/2) BOARD NO. 1-681-022-11 WRR-862A/862B...
  • Page 84 Q858 R863 C856 HYSB 5.9V 0.1uF 15uF 5.6k 2.2k *2:BATT 6V in 0.01uF DTC124EE-TL -0.2V 6.3V IC951 Q852 Q854 R954 S-8323D30MC-EZK-T2 *3:EXT 12V in/BATT 6V in 5.9V RN1104-TE85L 2SK3019TL 4.7V 1608 RX-60 (3/3) 0.9V POWER_SW1 POWER_SW1 BOARD NO. 1-681-020-11 WRR-862A/862B...
  • Page 86 5 pF 12 nH 12 nH 4 pF CE33/U3032/U4244 4 pF 27 nH 15 pF 5 pF 10 nH 10 nH 4 pF CE62/CE67/U6264/ 4 pF 18 nH 15 pF 3 pF 8.2 nH 8.2 nH 2 pF U6668/AU66 WRR-862A/862B...
  • Page 87 3 pF N.M:No mount Model Highest-channel Lowest-channel CE21/CE33/CE62 RX-74 (1/3) about 1.5V about 0.5V U14/U3032/U6264 CE67 about 2.2V about 1.0V BOARD NO. 1-683-940-21, 31 U4244/U6668 about 2.5V about 1.5V CN-2288 (1/2) AU66 about 2.5V about 1.5V BOARD NO. 1-683-943-21, 31 WRR-862A/862B...
  • Page 88 12 nH 12 nH 4 pF CE33/U3032/U4244 4 pF 27 nH 15 pF 5 pF 10 nH 10 nH 4 pF CE62/CE67/ 4 pF 18 nH 15 pF 3 pF 8.2 nH 8.2 nH 2 pF U6264/U6668/AU66 8-10 8-10 WRR-862A/862B...
  • Page 89 N.M:No mount Model Highest-channel Lowest-channel CE21/CE33/CE62 about 1.5V about 0.5V U14/U3032/U6264 RX-74 (2/3) CE67 about 2.2V about 1.0V U4244/U6668 about 2.5V about 1.5V BOARD NO. 1-683-940-21, 31 AU66 about 2.5V about 1.5V CN-2288 (2/2) BOARD NO. 1-683-943-21, 31 8-11 8-11 WRR-862A/862B...
  • Page 90 HYSB 5.9V 0.1uF 15uF 5.6k 2.2k *2:BATT 6V in 0.01uF DTC124EE-TL -0.2V 6.3V IC951 Q852 Q854 R954 S-8353D30MC-IUPT2G *3:EXT 12V in/BATT 6V in 5.9V RN1104-TE85L 2SK3019TL 4.7V 1608 RX-74 (3/3) 0.9V POWER_SW1 POWER_SW1 BOARD NO. 1-683-940-21, 31 8-12 8-12 WRR-862A/862B...
  • Page 91 COM2 TXD1 COM11 P72/KR6 COM1 C1503 C1504 COM10 P73/KR7 COM0 0.1uF 0.1uF IC1303 TC7SU04FU(TE85R) 2.8V R1352 1.5V R1354 LCD1 R1351 AU-276 (1/2) Q1351 CL1351 2SK1067-4-TL C1351 R1353 BOARD NO. 1-681-019-11 0.1uF CN-2168 (1/2) 1.9V BOARD NO. 1-681-021-11 8-13 8-13 WRR-862A/862B...
  • Page 92 R1405 CL-165HR/YG-D-T R1409 100k TONE2 P62/KR2 VLC0 R1404 P63/KR3 BIAS DIV_SW2 COM23 ND1401 P70/KR4 COM3 AFM2 COM22 P71/KR5 COM2 TXD2 COM21 P72/KR6 COM1 COM20 P73/KR7 COM0 LCD2 AU-276 (2/2) BOARD NO. 1-681-019-11 CN-2168 (2/2) BOARD NO. 1-681-021-11 8-14 8-14 WRR-862A/862B...
  • Page 93 COM11 P72/KR6 COM1 C1503 C1504 COM10 P73/KR7 COM0 0.1uF 0.1uF IC1303 TC7SU04FU(TE85R) 2.8V R1352 1.5V R1354 LCD1 R1351 AU-285 (1/2) Q1351 CL1351 2SK1067-4-TL C1351 R1353 BOARD NO. 1-683-941-21, 31 0.1uF CN-2287 (1/2) 1.9V BOARD NO. 1-683-942-21, 31 8-15 8-15 WRR-862A/862B...
  • Page 94 R1409 100k TONE2 P62/KR2 VLC0 R1404 P63/KR3 BIAS DIV_SW2 COM23 ND1401 P70/KR4 COM3 AFM2 COM22 P71/KR5 COM2 TXD2 COM21 P72/KR6 COM1 COM20 P73/KR7 COM0 LCD2 AU-285 (2/2) BOARD NO. 1-683-941-21, 31 CN-2287 (2/2) BOARD NO. 1-683-942-21, 31 8-16 8-16 WRR-862A/862B...
  • Page 96 WRR-862A (AU) Printed in Japan Sony Corporation WRR-862B (U, CE) E 2006. 6 22 9-976-896-03 ©2001...

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