Marantz PM7003 Service Manual
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Marantz PM7003 Service Manual

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Table of Contents

See also: User Manual
Service
Manual
SECTION
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. ALIGNMENTS ....................................................................................................................... 2
3. SERVICE MODE ................................................................................................................... 4
4. PROTECTION MODE ........................................................................................................... 5
5. WRITING MAIN MICROPROCESSOR PROCEDURE ......................................................... 7
6. WIRING DIAGRAM ............................................................................................................. 25
7. BLOCK DIAGRAM .............................................................................................................. 27
8. SCHEMATIC DIAGRAM ...................................................................................................... 29
9. PARTS LOCATION .............................................................................................................. 37
10. EXPLODED VIEW AND PARTS LIST ................................................................................. 47
11. MICROPROCESSOR AND IC DATA ................................................................................... 51
12. ELECTRICAL PARTS LIST ................................................................................................. 56
13. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE ............................... 71
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
INTEGRA TED AMPLIFIER PM7003
PHONO
CD
INPUT SELECTOR
POWER AMP DIRECT
ST ANDBY
SPEAKERS
A
POWER ON/OFF
B
OFF
PHONES
A+B
-

TABLE OF CONTENTS

PM7003
PM7003 /
Integrated Amplifier
TUNER
AUX/DVD
1
RECORDER
2
MUTE
VOLUME
SOURCE DIRECT
MIN
BASS
TREBLE
BALANCE
+
-
+
L
R
F N/K1SG/N1SG
/N1B
MAX
PAGE
Part no. 90M24AJ855010
First Issue 2008.07
MZ

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Summary of Contents for Marantz PM7003

  • Page 1: Table Of Contents

    Service PM7003 / F N/K1SG/N1SG /N1B Manual Integrated Amplifier INTEGRA TED AMPLIFIER PM7003 PHONO TUNER AUX/DVD RECORDER MUTE INPUT SELECTOR VOLUME POWER AMP DIRECT SOURCE DIRECT ST ANDBY SPEAKERS BASS TREBLE BALANCE POWER ON/OFF PHONES TABLE OF CONTENTS SECTION PAGE 1.
  • Page 2 MARANTZ Parts for your equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.

  • Page 3: Technical Specifications

    Remote controller (RC003PM)........1 AAA batteries ..............2 Detachable AC power cable ..........1 Maximum outer dimensions (Amplifier) Width ..............440 mm Height ..............126.8 mm Depth ..............368 mm Weight (Amplifier) ..........10.5 kg INTEGRATED AMPLIFIER PM7003 PHONO TUNER AUX/DVD RECORDER MUTE INPUT SELECTOR VOLUME...

  • Page 4: Alignments

    2. ALIGNMENTS 2. ALIGNMENTS アイドリング電流調整 1. Idling Current Alignment Digital Voltmeter Digital Voltmeter L ch R ch T.P. T.P. J707 R707 R708 J708 P701 調整手順 Adjustment Procedure 調整時は必ず電源電圧を定格電圧に合わせてください。 Set the power voltage to rated voltage for this adjustment. 基板上の半固定抵抗 と でアイドリング電流...
  • Page 5 Digital Voltmeter Digital Voltmeter R ch L ch SPEAKERS PHONO PRE OUT POWER AMP DIRECT IN SYSTEM A MODEL NO. PM7003 AC IN SYSTEM B REMOTE CONTROL TUNER RECORDER 1 RECORDER 2 / D V D SYSTEM A : 4 - 16 OHMS...

  • Page 6: Service Mode

    3. SERVICE MODE 3. SERVICE MODE 確認 Microprocessor (QU01) version check Microprocessor (QU01) version 本機に電源ケーブルを接続します。 Connect the mains cord into the unit. ボタンを押しながら、 ボタンを POWER button with pressing the SOURCE SOURCE DIRECT POWER Press the 押します。 DIRECT button on the Unit. のバージョンが...

  • Page 7: Protection Mode

    動作について 4. PROTECTION MODE 4. PROTECTION マイコン の と の説明。 (QU01) PROT-1 (pin6) PROT-2 (pin7) Explanation of microprocessor (QU01) [PROT-1 (pin6) and PROT-2 (pin7)]. は、パワーアンプの下記の異常動作を検出 [A] The PROT-1 (pin6) is the port to detect the following [A] PROT-1 (pin6) するポートです abnormalities of the Power AMP スピーカー出力端子の...
  • Page 8 は、電源回路の異常を検出するポートです [B] PROT-2 (pin7) To check if the amp is in order, switch off the unit and switch パワーアンプ用電源回路の異常を検出。 it on again one minute later. This action will deactivate パワーアンプ用電源の と の中点電圧を監視 +48V -48V the protection operation. If the PROT-1 (pin6) remains し、...

  • Page 9: Writing Main Microprocessor Procedure

    5. WRITING MAIN MICROPROCESSOR 5. WRITING MAIN MICROPROCESSOR PROCEDURE PROCEDURE を交換したときは へプログラムを書き込む必要が QU01 QU01 Microprocessor needs writing software, when a あります。下記手順に沿って書き込みをしてください。 microprocessor (QU01) is replaced. 必要機器 NECESSARY EQUIPMENT または 、 ポートつき • Windows PC (2000 or XP, with Serial Port) •...
  • Page 10 フォルダをダブルクリックして開きます。 TM86FH47pass Double click the TM86FH47pass folder. をダブルクリックします。 FlashProg.exe. FlashProg.exe Double click...
  • Page 11 をクリックします。 Device Click Device. をクリックします。 Click Apply. Apply...
  • Page 12 に が入力されます。 TMP86FH47 appear in Chosen Device. Chosen Device TMP86FH47 をクリックし、 をクリックします。 Object File, and click Browse... Object File Browse... Click...
  • Page 13 から を選び、書き込 iHEX Fomat[*.h16,*.h20] in Files of type. Files of type iHEX Fomat[*.h16,*.h20] Choose み用データファイルを選択して をクリックします。 Open Choose writing data, and click Open. 書き込むファイル名は変わることがあります。 PM7003_V09.h16 をクリックします。 Communication. Communication Click PM7003...
  • Page 14 から接続する 番号を選びます。 COM port number in COM port. COM Port COM Port Choose から を選択します。 9600 Choose 9600 in Data Rate. Data Rate をクリックします。 Click OK. この時 フォルダに フォルダと When Setup window is closed, the tmp folder and TMP86FH47pass ファイルが作成されます。 FlashProg.ini file are created simultaneously.
  • Page 15 が閉じ、 が立ち上がります。 The Flash Programmer is launched. setup Flash Programmer アイコンをクリックします。 Click setup icon. setup をクリックします。 Click Browse..Browse...
  • Page 16 フォルダから を選 FlashProg.ini in TM86FH47pass folder, and TM86FH47pass FlashProg.ini Choose び、 をクリックします。 Open click Open. をクリックします。 Click PM7003...
  • Page 17 本機の電源スイッチをオンにします。 Press the POWER ON/OFF button, and turn on the unit. ウィンドウの左下のステータスが Status indication at lower left in Flash Programming Flash Programming から に変わります。もし Connecting Connected Connected window is changed to "Connected" from "Connecting". に変わらないときは接続を確認してください。 When it did not changed, check the connection of FPC or RS-232C cable.
  • Page 18 から を選びます。 Setup Password Select Password in Setup.
  • Page 19 画面が開きます。 Setup Password Setup Password opens. ブランクマイコンに書き込む場合は、次のページへ • When writing in a blank microprocessor • 既に書き込まれたマイコンに書き込む場合 アップデート は Refer to next page • ページへ • When writing (update) in the already written-in microprocessor Refer to 19 page...
  • Page 20 ブランクマイコンに書き込む場合 When writing in a blank microprocessor から にチェックを入れます。 Check Single Boot Mode in Address Mode. Address Mode Single Boot Mode 内の設定 Setting in Device Password Device Password のチェックボックスにチェックを Check Device is BLANK. Device is BLANK 入れます。 Check Hex in input type. から...
  • Page 21 既に書き込まれたマイコンに書き込む場合 アップデート When writing in the already written-in microcomputer から にチェックを入れま (update) Single Boot Mode Address Mode す。 Check Single Boot Mode in Address Mode. 内の設定 Setting in Device Password Device Password にはチェ ックを入れないでください。 Do not check Device is BLANK. Device is BLANK から...
  • Page 22 の設定画面が開きます。 Auto Programming opens. Auto Programming...
  • Page 23 から All Erase, Programming, Verify with SUM and Flash Memory Programming All Erase, Check にチェッ Programming, Verify with SUM, File Compare File Compare in Flash Memory Programming. クを入れます。 Check Manual in Recover Process by Programming から にチ Manual Error. Recover Process by Programming Error ェックを入れます。...
  • Page 24 メインマイコン への書き込みが行われます。 (QU01) Writing data is written into the microprocessor (QU01). 書き込みが成功すると下記のような画面が出ますので を Yes, when writing is successful. Click クリックします。...
  • Page 25 をクリックし終了します。 Cancel Click Cancel. をクリックします。 Click Cancel. Cancel...
  • Page 26 から を選び終了します。 Exit in File, and finish. File Exit Select the 本機の電源スイッチを切りケーブルを外します。 Press the POWER ON/OFF button, and turn off the unit. の 確認をしてください。 Disconnect each cable. Software Version ページの で確認します。 "3.SERVICE MODE" Check the software version. Refer to "3. SERVICE MODE" on page 4.

  • Page 27: Wiring Diagram

    6. WIRING DIAGRAM J755 P591 T0 WU01 VOLUME PWB T0 JU07 J593 J592 P751 (P971) SPEAKER TERMINAL J501 W008 W401 J331 W601 J701 J709 J751 P401 PHONO AMP PWB J754 W291 J283 W602 J702 P101 MAIN PWB P701 POWER STAGE PWB W801 WA01 J821...

  • Page 28: Block Diagram

    7. BLOCK DIAGRAM PHONO PRE OUT RIAA POWER AMP DIRECT SOURCE DIRECT CD DIRECT DIRECT BUFFER TUNER SPEAKER-A AUX / DVD SPEAKER-B VOLUME LINE BUFFER RECORDER-1 MUTE SPEAKER-B RECORDER-2 SPEAKER-B TREBLE BALANCE RECORDER-1 BASS HEADPHONE REC BUFFER RECORDER-2 PROTECION CIRCUIT R-CH MAIN TRANS.

  • Page 29: Schematic Diagram

    8. SCHEMATIC DIAGRAM P591 VOLUME PWB P591 VOLUME PWB TO U-COM PWB WU01 TPF251 P981 TPF252 CLAMP PWB J591 P891 POWER SW PWB J855 29.0V J592 W006 07MQ-ST-L TPF260 TPF265 POWER SW PWB +28V TPF266 -28V To MAIN PWB J593 P891 S891 -29.0V...
  • Page 30 P101 MAIN PWB TO TONE PWB TO TONE PWB TO VOLUME PWB TO PHONO AMP PWB To PHONO AMP PWB W201 W202 J592 W291 W401 +18V +18V J501 J281 J282 J283 B 7P-MQ-C -18V -18V PH_L PH-OUT- L R659 A-GND +24VL +24VL +24VL...
  • Page 31 P751 (P971) SPEAKER TERMINAL PWB P701 POWER STAGE PWB SPK TERMINAL PWB P751 TPZ204 TPZ203 49.0V TPZ205 FROM MAIN POWER TRANSFORMER J801 G801 49.0V TPF217 35.4V Q713 0.68/4.7 2SC2837 TPF218 J752 TPF239 R713 0.6V 1.8V TPF219 35.4V R753 P-GND 25.5V TPZ207 SPK_A(L) 49.0V...
  • Page 32 D-GND 4.POWER AMP DIRECT 1.9 V P201 5.SOURSE DIRECT 0.9 V D-GND D-GND 6.RESERVED W205 D-GND RU25 P201 TONE PWB PM7003 EARTH POWER AMP DIRECT:5V JU07 TPF446 PM8003 SOURCE DIRECT:5V TPF447 R223 TPZ434 16.5V TO SPK TERMINAL PWB SPK_B D-GND...

  • Page 33: Parts Location

    P851 B PWB 9. PARTS LOCATION P401 PWB C291 R294 C292 R295 C293 R296 C294 R401 C295 R402 C296 R403 C297 R404 C298 R405 C401 R406 C402 R407 C403 R408 C404 R409 C405 R410 C406 R411 C407 R412 C408 R413 C409 R414 C410...
  • Page 34 P591 B PWB P101 PWB C591 D2 C301 B15 C903 F8 Q317 C11 Q915 G8 R388 D10 R624 G10 U109 F13 U31 C5 C592 D2 C303 A15 C911 G9 Q318 B11 Q916 H8 R391 D14 R625 G6 U11 D3 U32 D5 J591 D2 C304 A15 C912 H9...
  • Page 35 P101 B PWB 鉛フリー半田 半田付けには、鉛フリー半田 (Sn-Ag-Cu) を使用してください。 Lead-free Solder When soldering, use the Lead-free Solder (Sn-Ag-Cu).
  • Page 36 PU01 A PWB CU01 B4 LU32 B9 RU23 B5 U306 B3 U334 A5 U362 A9 CU02 C4 QU01 B5 RU24 A5 U307 C3 U335 C5 U363 B9 CU03 C4 QU02 B5 RU25 B5 U308 A3 U336 B5 U364 B9 CU04 C3 QU03 C5 RU26 B5 U309 C3...
  • Page 37 P701 B PWB C701 D3 J709 B6 R710 D10 R955 C4 U215 C3 U244 C7 C702 D9 J801 D6 R713 C2 R956 C8 U216 B3 U245 B7 C705 B2 Q703 C2 R714 C10 R957 C4 U217 B3 U246 B8 C706 B10 Q704 C10 R715 C2 R958 C8...

  • Page 38: Exploded View And Parts List

    10. EXPLODED VIEW AND PARTS LIST 5128 Ø3X8(M) 5129 N only F only Ø3X8(M) P981 W001 004Lx6 J001 5126 5129 K only 5110 Ø3X8(M) 5128 Ø3X8(M) 001L Ø3X8(M)x4 Ø3X8(M) 5127 5110 Ø3X8(M) 5110 Ø3X6(M) 5127 Ø3X6(M)x6 5110 Ø3X8(M) Ø3X6(M) 5405 Ø3(M) 5126 5127...
  • Page 39 STANDBY LED PWB (P191) FOR N F P201 PWB ASSY TONE PWB (P201) FOR N F P401 PWB ASSY PHONO EQ AMP PWB (P401) FOR F NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 40 00M14AJ257310 LID TOP COVER SG 001D /K1SG 00M14AJ257310 LID TOP COVER SG 001D /N1B 00M14AJ257320 LID TOP COVER BL 001D /N1SG 00M14AJ257310 LID TOP COVER SG NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.

  • Page 41: Microprocessor And Ic Data

    11. MICROPROCESSOR AND IC DATA QU01 : TMP86FH47UG Port Setting Port name I/O use Note Name Act. Init STBY 1 VSS 2 XIN 8M Clock in 3 XOUT O XOUT 8M Clock out 4 TEST TEST L->H : PROM Mode 5 VDD u-com power supply 6 P21 (XTIN)
  • Page 42 TMP86FH47 signments (Top view) QU01 : TMP86FH47UG TMP86FH47 Block Diagram Program memory Address/data bus (Flash memory) TLCS-870/C Data memory Boot program Flash memory I/F (RAM) (ROM Standby control circuit Interrupt controller RESET System control TEST circuit Timing generator Time base 8-bit 16-bit -bit AD...
  • Page 43 LC78211, 78212, 78213 nued from preceding page. Q391 : LC78212 No. 4817-4/6...
  • Page 44 Q713/Q714 : 2SC2837Y 2SC2837 LAPT Application : Audio and General Purpose Silicon NPN Epitaxial Planar Transistor (Complement to type 2SA1186) External Dimensions MT-100(TO3P) Absolute maximum ratings Electrical Characteristics ■ (Ta=25°C) ■ (Ta=25°C) Symbol 2SC2837 Symbol Conditions 2SC2837 Unit Unit 15.6 ±0.2 ±0.4 =150V...
  • Page 45 Q715/Q716 : 2SA1186Y 2SA1186 LAPT Silicon PNP Epitaxial Planar Transistor (Complement to type 2SC2837) Application : Audio and General Purpose External Dimensions MT-100(TO3P) ■ Absolute maximum ratings (Ta=25°C) ■ Electrical Characteristics (Ta=25°C) Symbol 2SA1186 Symbol Conditions 2SA1186 Unit Unit 15.6 ±0.2 ±0.4 =–150V...

  • Page 46: Electrical Parts List

    12. ELECTRICAL PARTS LIST PARTS INFORMATION NOTE ON SAFETY FOR FUSIBLE RESISTOR : The suppliers and their type numbers of fusible resistors RESISTORS are as follows; 1) 00MGD05 × × × 140, Carbon film fixed resistor, ±5% 1/4W 1. KOA Corporation 2) 00MGD05 ×...
  • Page 47 1340100465000 ELECT. CAP. RA2-25V221MG3#8-T2 P101 C386 1340100465000 1340100465000 ELECT. CAP. RA2-25V221MG3#8-T2 P101 C393 1340100705030 1340100705030 ELECT. CAP. RA2-50V100ME3E#8-T2 P101 C501 1340100715060 1340100715060 ELECT. CAP. RA2-50V220ME3#8-T2 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 48 1SS133T77 (TAPE) P101 D615 00D2760401905 DIODE 1SS133T77 (TAPE) P101 D616 00D2760401905 DIODE 1SS133T77 (TAPE) P101 D811 00D2760401905 DIODE 1SS133T77 (TAPE) P101 D812 00D2760401905 DIODE 1SS133T77 (TAPE) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 49 2110500020090 TRS. KTA1268 RANK=GR P101 Q601 2110500020090 2110500020090 TRS. KTA1268 RANK=GR P101 Q602 2110500020090 2110500020090 TRS. KTA1268 RANK=GR P101 Q603 2130500020050 2130500020050 TRS. KTC3200 RANK=GR NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 50 P101 R304 00D2412401978 RES. RD14B2E223JT(5) P101 R305 00D2412397972 RES. RD14B2E471JT(5) P101 R306 00D2412397972 RES. RD14B2E471JT(5) P101 R307 00D2412394962 RES. RD14B2E220JT(5) P101 R308 00D2412394962 RES. RD14B2E220JT(5) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 51 1210100094060 1210100094060 RES. ! CFPS1/4CMHTA100J P101 R391 00D2412401978 RES. RD14B2E223JT(5) P101 R392 00D2412401978 RES. RD14B2E223JT(5) P101 R393 00D2412400995 RES. RD14B2E103JT(5) P101 R501 00D2412400995 RES. RD14B2E103JT(5) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 52 P101 R614 00D2412401952 RES. RD14B2E183JT(5) P101 R615 00D2412394962 RES. RD14B2E220JT(5) P101 R616 00D2412394962 RES. RD14B2E220JT(5) P101 R617 00D2412394962 RES. RD14B2E220JT(5) P101 R618 00D2412394962 RES. RD14B2E220JT(5) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 53 1210100134050 RES. ! CFPS1/4CMHTA220J P101 R822 1210100094060 1210100094060 RES. ! CFPS1/4CMHTA100J P101 R823 00D2412400995 RES. RD14B2E103JT(5) P101 R824 00D2412400995 RES. RD14B2E103JT(5) P101 R825 00D2412402919 RES. RD14B2E333JT(5) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 54 RD14B2E272JT(5) P201 R207 0750100020070 0750100020070 VAR. RES. 4K14K124003J P201 R208 0750100020070 0750100020070 VAR. RES. 4K14K124003J P201 R209 00D2412399954 RES. RD14B2E272JT(5) P201 R210 00D2412399954 RES. RD14B2E272JT(5) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 55 APSV 0100 J 102 0000 0200 P401 C412 1330100135070 1330100135070 FILM CAP. APSV 0100 J 102 0000 0200 P401 C413 1340100705030 1340100705030 ELECT. CAP. RA2-50V100ME3E#8-T2 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 56 1340100655010 ELECT. CAP. RA2-50VR47ME3#8-T2 P701 C952 1340100655010 1340100655010 ELECT. CAP. RA2-50VR47ME3#8-T2 P701 C953 1340100445040 1340100445040 ELECT. CAP. RA2-25V470ME3#8-T2 P701 C954 1340100705030 1340100705030 ELECT. CAP. RA2-50V100ME3E#8-T2 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 57 P701 R802 00D2412402951 RES. RD14B2E473JT(5) P701 R951 1210100294000 RES. CFPS1/4CMHTA471J P701 R952 1210100294000 RES. CFPS1/4CMHTA471J P701 R953 1210100294000 RES. CFPS1/4CMHTA471J P701 R954 1210100294000 RES. CFPS1/4CMHTA471J NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 58 ! D1NJ10 100V 1A SBD P851 D858 2040500043040 2040500043040 DIODE ! D1NJ10 100V 1A SBD P851 D859 2040500043040 2040500043040 DIODE ! D1NJ10 100V 1A SBD NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 59 00D2690204900 TRS. KRA102M-AT/P (10K-10K) PU01 QU72 00D2690204900 00D2690204900 TRS. KRA102M-AT/P (10K-10K) PU01 QU73 00D2690204900 00D2690204900 TRS. KRA102M-AT/P (10K-10K) PU01 QU74 00D2690204900 00D2690204900 TRS. KRA102M-AT/P (10K-10K) NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.
  • Page 60 00D2412396928 RES. RD14B2E101JT(5) PU01 RU81 00D2412400995 RES. RD14B2E103JT(5) PU01 RU82 00D2412400995 RES. RD14B2E103JT(5) PU01 RU83 1210100014020 RES. CFPS1/4CMHTA-2R2J PU01 XU01 142010004507S 142010004507S CER. VIB. CSTLS8M00G53 NOTE : "nsp" PART IS LISTED FOR REFERENCE ONLY, MARANTZ WILL NOT SUPPLY THESE PARTS.

  • Page 61: About Replace The Microprocessor With A New One

    13. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE When replaced of the U-PRO (Microprocessor) or the Flash ROM, confirm contents of the following. Pos. After Description Remark Name replaced PU01 QU01 TMP86FH47UG SOFTWARE : 00M24AJ499A00 After replaced A : Mask ROM (With software). No need write-in of software to the microprocessor. B : Flash ROM (With software).

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