Marantz ST7001 User manual

ST7001
Please use this service manual with referring to the user guide ( D.F.U. ) without fail.
Service
Manual
ST7001
FM / AM Tuner
ST7001 /F B/F N/U1B
Part no. 90M46BW855020
First Issue 2005.10
MZ
TABLE OF CONTENTS
SECTION PAGE
1. TECHNICAL SPECIFICATIONS ........................................................................................... 1
2. FACTORY / SERVICE MODE ............................................................................................... 2
3. WRITING MICROPROCESSOR PROCEDURE................................................................... 3
4. WIRING DIAGRAM .............................................................................................................11
5. BLOCK DIAGRAM ..............................................................................................................13
6. SCHEMATIC DIAGRAM...................................................................................................... 15
7. PARTS LOCATION.............................................................................................................. 19
8. MICROPROCESSOR AND IC DATA................................................................................... 25
9. EXPLODED VIEW AND PARTS LIST ................................................................................. 31
10. ELECTRICAL PARTS LIST................................................................................................. 35
PUSH ENTER
TUNING/PRESET
STEREOTUNEDTIMERSLEEP
BAND SELECT APRESET MENU DISPLAY CATEGORY
STANDBY
ON/STANDBY
POWER
FM/AM TUNER ST7001
PUSH ENTER
TUNING/PRESET
STEREOTUNEDTIMERSLEEP
BAND SELECT MENUA—PRES ET DIMMERSLEEP
STANDBY
ON/STANDBY
POWER
FM/AM TUNER ST7001
U version
F version

MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components, MARANTZ company has created the ultimate in stereo sound.
Only original MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your MARANTZ 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.
The following information must be supplied to eliminate delays in processing your order :
1. Complete address
2. Complete part numbers and quantities required
3. Description of parts
4. Model number for which part is required
5. Way of shipment
6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product
and controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied,
and verified before it is return to the user/customer.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
050616MZ
USA
MARANTZ AMERICA, INC
1100 MAPLEWOOD DRIVE
ITASCA, IL. 60143
USA
PHONE : 630 - 741 - 0300
FAX : 630 - 741 - 0301
JAPAN Technical
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : [phone]
FAX : [phone]
EUROPE / TRADING
MARANTZ EUROPE B.V.
P. O. BOX 8744, BUILDING SILVERPOINT
BEEMDSTRAAT 11, 5653 MA EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2507844
FAX : +31 - 40 - 2507860
AUSTRALIA
QualiFi Pty Ltd,
24 LIONEL ROAD,
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - (0)3 - 9543 - 1522
FAX : +61 - (0)3 - 9543 - 3677
NEW ZEALAND
WILDASH AUDIO SYSTEMS NZ
14 MALVERN ROAD MT ALBERT
AUCKLAND NEW ZEALAND
PHONE : +64 - 9 - 8451958
FAX : +64 - 9 - 8463554
THAILAND
MRZ STANDARD CO., LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX : +66 - 2 - 224 6795
TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX : +886 - 2 - 25630415
MALAYSIA
WO KEE HONG ELECTRONICS SDN. BHD.
2ND FLOOR BANGUNAN INFINITE CENTRE
LOT 1, JALAN 13/6, 46200 PETALING JAYA
SELANGOR DARUL EHSAN, MALAYSIA
PHONE : +60 - 3 - 7954 8088
FAX : +60 - 3 - 7954 7088
KOREA
MARANTZ KOREA CO., LTD.
ROOM 604, ELECTRO OFFICE, 16-58,
HANGGANG-RO 3GA, YONGSAN-KU,
SEOUL, 140-013, KOREA
PHONE : +82 - 2 - 323 - 2155
FAX : +82 - 2 - 323 - 2154
SINGAPORE
WO KEE HONG DISTRIBUTION PTE LTD
No.1 JALAN KILANG TIMOR
#08-03 PACIFIC TECH CENTRE
SINGAPORE 159303
PHONE : [phone]
FAX : [phone]
CANADA
MARANTZ CANADA INC.
5-505 APPLE CREEK BLVD.
MARKHAM, ONTARIO L3R 5B1
CANADA
PHONE : 905 - 415 - 9292
FAX : 905 - 475 - 4159
D&M Holdings Inc.
Ref. UL Standard No. 1492.

1
1. TECHNICAL SPECIFICATIONS
FM 部
受信周波数範囲 ...............................76.0MHz 〜 108.0MHz
アンテナ.............................................................75 Ω不平衡型
実用感度 .......................................................1 μV（12.2dBf）
..........................................................................1μV（IHF）
イメージ妨害除去比........................................................80dB
IF 妨害比..........................................................................100dB
AM 抑制比 .........................................................................50dB
実効選択度 ..............................................50dB（± 400kHz）
キャプチャーレシオ.......................................................2.0dB
周波数特性 ........................20Hz 〜 15kHz+0.5/− 1.0dB
SN 比
モノラル .............................74dB（IHF）、70dB（DIN）
ステレオ.................................68dB(IHF)、64dB（DIN）
全高調波歪率
モノタイプ 1kHz（75kHzdev.）...........................0.2%
ステレオ 1kHz（67.5kHzdev.）...........................0.3%
ステレオセパレーション 1kHz（ワイド）..................43dB
AM 部
受信周波数範囲 ....................................522kHz 〜 1620kHz
アンテナ............................................ループアンテナ（付属）
実用感度.........................................................................18μ V
SN 比 ..................................................................................53dB
一般事項
電源電圧・周波数 ................................AC100V、50/60Hz
消費電力 ...............................................................................8W
重量.....................................................................................4.1kg
付属品
オーディオ接続コード............................................................1
AC 電源コード..........................................................................1
リモコン（RC7001ST）........................................................1
単 4 電池.....................................................................................2
AM ループアンテナ.................................................................1
FM 室内アンテナ .....................................................................1
FM アンテナアダプター.........................................................1
リモコン接続コード ................................................................1
FM tuner section
Frequency range ..........................87.5 MHz ~ 108.0 MHz
Antenna terminals .........................75 Ω/ohm Unbalanced
Usable sensitivity ...................................1.1 μV (12.2 dBf)
...........................................................1.1 μV (IHF)
Image interference ratio...........................................80 dB
IF interference ratio................................................100 dB
AM suppression ratio ...............................................50 dB
Effective selectivity................................50 dB (±400 kHz)
Capture ratio ...........................................................2.0 dB
Frequency characteristics
..................................20 Hz ~ 15 kHz +0.5/–1.0dB
Signal-to-noise ratio
Monaural ........................74 dB (IHF), 70 dB (DIN)
Stereo.............................68 dB (IHF), 64 dB (DIN)
Total harmonic distortion
Mono 1 kHz (at 75 kHz dev.) ........................0.2 %
Stereo 1 kHz (at 67.5 kHz dev.) ......................0.3 %
Stereo separation 1 kHz (WIDE) .............................43 dB
AM tuner section
Frequency range ...............................520 kHz ~ 1710kHz
Antenna terminals
............................Terminal type with loop antenna
Usable sensitivity .....................................................18 μV
Signal-to-noise ratio.................................................53 dB
General
Power supply.........................................AC 120 V, 60 Hz
Power consumption ..................................................12 W
Weight .....................................................................4.1 kg
Accessories
Audio connecting cord.....................................................1
Mains cord.......................................................................1
Remote control unit (RC7001ST)....................................1
Size “AAA” batteries........................................................2
AM loop antenna .............................................................1
FM indoor antenna ..........................................................1
FM antenna adaptor........................................................1
Remote Control Connecting Cord ...................................1
PUSHENTER
TUNING/PRESET
STEREOTUNEDTIMERSLEEP
BANDSELECT A—PRESET MENU DISPLAY CATEGORY
STANDBY
ON/STANDBY
POWER
FM/AM TUNER ST7001
1233315
360
PUSHENTERPUSHENTER
TUNING/PRESETTUNING/PRESET
STEREOSTEREOTUNEDTUNEDTIMERTIMERSLEEPSLEEP
BANDSELECTBANDSELECT AA——PRESETPRESET MENUMENU DISPLAYDISPLAY CATEGORYCATEGORY
STANDBYSTANDBY
ON/STANDBYON/STANDBY
POWERPOWER
FM/AM TUNER ST7001FM/AM TUNER ST7001
440
(mm)
13 65
78

2
2. FACTORY / SERVICE MODE
A. FACTORY MODE
To reset all settings to default status, follow the procedure
below.
1. Connect mains cord to the unit while pressing Aand C
button. (Aand Cbutton are pushed 3 seconds or more.)
2. All Segments of FLD will be blink. The unit becomes the
setup of default automatically.
AButton CButton
U Version : CATEGORY MENU
F Version : SLEEP A-PRESET
B. SERVICE MODE
Microprocessor Version check
1. Connect mains cord to the unit while pressing Band C
button. (Band Cbutton are pushed 3 seconds or more.)
2. All Segments of FLD will be light ON.
3. Turn TUNING/PRESET Knob clockwise or counter
clockwise. VIRSION is displayed on FLD.
Ex. :
BButton CButton
U Version : DISPLAY MENU
F Version : DIMMER A-PRESET
4. To exit Service mode, disconnect mains cord.
A. FACTORY モード
1. Aボタンと Cボタンを押しながら電源コードを接続します。
約3秒以上 ボタンを押します。
2. FLD の全表示が点滅し、自動的に出荷時の設定になります。
Aボタン名 Cボタン名
F仕向け : SLEEP A-PRESET
U
仕向け : CATEGORY MENU
B. SERVICE モード
Microprocessor (CPU) VERSION 確認
1. Bボタンと Cボタンを押しながら電源コードを接続します。
2. FLD が全点灯します。
3. TUNING/PRESET ツマミを回転させるとマイコンのバー
ジョンが表示されます。
表示例 :
Bボタン名 Cボタン名
F仕向け : DIMMER A-PRESET
U
仕向け : DISPLAY MENU
4. サービスモードの解除は、電源コードを外します。
Microprocessor VERSION
A B C

3
3. WRITING MICROPROCESSOR PROCEDURE
NECESSARY EQUIPMENT
• Windows PC (OS : Windows2000 or WindowsXP) with
Serial Port
• RS-232C Cable straight type (9 Pin female - 9 Pin female)
• Writing software and several files
(FMC8FX folder: include a flash.exe, etc...)
• Writing data (St7001xm_wxxx.mhx)
NOTE: wxxx is a revision number.
The updating of software takes about 1 minute.
WRITING PROCEDURE
1. Put the "FMC8FX" folder and the writing data into
anywhere on your PC's hard disc.
2. Double click the "FMC8FX" folder.
必要機器
•Windows PC (Windows 2000 or Windows XP) Serial port
付き
•RS-232C ストレートケーブル (9 Pin メス - 9 Pin メス )
•書き込み用ソフトウェア一式
(FMC8FX フォルダ内：flash.exe 、他 )
•書き込み用データ (St7001xm_wxxx.mhx)
注記：wxxx は改版番号です。
ソフトウェアの書き込みには約 1分かかります。
書き込み手順
1. "FMC8FX" フォルダと書き込み用データを PC のハードディ
スク上にコピーします。
2. "FMC8FX"フォルダをダブルクリックします。

4
3. Double click the flash.exe, and Launch the "FUJITSU
FLASH MCU Programmer".
4. Click the Set Environment.
3. flash.exe をダブルクリックし、"FUJITSU FLASH MCU
Programmer" を起動します。
4. Set Environment をクリックします。

5
5. Choose the using serial port, and click OK.
6. Choose the NB95F108/H in the Target Microcontroller.
Choose the 10MHz in the Crystal Frequency.
Click Open in the Hex File.
5. 使用する serial port 番号を選択し OK をクリックします。
6. Target Microcontroller から NB95F108/H を選択します。
Crystal Frequency から 10MHz を選択します。
Hex File から Open クリックします。

6
7. Choose the St7001xm_wxxx.mhx. And click Open.
8. Disconnect the mains cable from the unit.
9. Connect RS-232C on the rear panel of the unit and Serial
Port of windows PC with RS-232C cable.
10.Insert a thin rod to the hole near the REMOTE
CONTROL terminal and push the switch
(PUSH301) inside to turn on the switch.
7. St7001xm_wxxx.mhx を選択し、Open をクリックします。
8. 電源コードを本機から抜きます。
9. 本機のリアパネルにある RS-232C 端子と PC のSerial
Port をRS-232C ケーブルで接続します。
10.REMOTE CONTROL 端子近くにある穴から細い棒を入れ
内部にあるプッシュスイッチ (PUSH301) を押します。

7
11.Connect the mains cable to the unit. Then not lights the
STANDBY LED.
12.Click Full Operation (D+E+B+P).
13.Click OK.
14.Progress status of updating will be shown on PC.
11.電源コードを本機に差し込みます。この時 STANDBY の
LED は点灯しません。
12.Full Operation (D+E+B+P) をクリックします。
13.OK をクリックします。
14.
ソフトウェアの書き込みが行われます。

8
15.If updating is completed successfully,
appears "Full Operation OK!" in a dialog box.
Click OK.
16.Click Xicon, and close.
15.書き込みに成功すると "Full Operation OK!" とかかれたダ
イアログボックスが表示されます。
OK をクリックします。
16.
ウインドウの右上にある Xアイコンをクリックして閉じま
す。

9
17.Disconnect the mains cable from the unit.
18.Insert a thin rod to the hole near the REMOTE CONTROL
terminal and push the switch (PUSH301) inside to turn off
the switch.
19.Disconnect RS-232C cable from the unit.
Software Version Check
To check the versions of the software, see "Microprocessor
Version Check Mode" in "B. SERVICE MODE" section. (Refer
to page 2)
17.電源コードを本機から抜きます。
18.REMOTE CONTROL 端子近くにある穴に細い棒を入れ内
部にあるプッシュスイッチ (PUSH301) を押します。
19.
本機から RS-232C ケーブルを抜きます。
ソフトウェアのバージョンチェック
"B. SERVICE モード "の"Microprocessor Version 確認 "から
ソフトウェアのバージョンを確認します。(2 ページ参照 )

10
Personal notes:

11 12
4. WIRING DIAGRAM
MAIN PWB
POWER KEY
PWB
1
5141
5131
1310 1 11 CP101 1
8
15
1
CN200 CN303
CP200
10
TRANS SECONDARY
10P CABLE
CN301
1
4P CABLE
3P CABLE
AC CORD
POWER
POWER
TRANS
SLEEP(F1) MENU(U1) A-PRESET(F1) AUTOTUNE(U1)
MENU(F1)
CP100
STANDBY
TRANS
CN302
AC OUTLET
JOG SHUTTLE
XM-JIG
CP305
15P CABLE
MICROPROCESSOR
UPDATE SW
OUT2 OUT1
5P CABLE
3P CABLE
CN100 1
CN304
CN701
11
AC INLET
CN101
11P CABLE
RC-5 SW
INT/EXT
CP308
IR-FLASH
RC5-IN/OUT
XM-READY
BAND(U1/F1)
2P CABLE USB JACK
FM / AM TUNER MODULE
DIMMER(U1) DISPLAY(U1)
DIMMER(F1)
FRONT PWB
U only
RS-232C

1413
5. BLOCK DIAGRAM
U only
U only
U only

15 16
6. SCHEMATIC DIAGRAM
XM-READY USB JACK
RS232C JACK
LOUT
LOUT
ROUT
ROUT
FROM
POWER
TRANSF.
FROM
POWER
TRANSF.
TO
POWER
TRANSF.
MAIN PWB
FROM FRONT PWB FROM FRONT PWB
FROM
POWER
TRANSF.
Uonly
U only
FLASHER IN

1817
TO MAIN PWB TO MAIN PWB
FROM MAIN PWB
TO MAIN PWB
FRONT PWB
POWER KEY PWB

19 20
ᤲȕȪȸҞဋ
ᤲȕȪȸҞဋ
Ҟဋ˄ƚƴƸŴᤲȕȪȸҞဋ Sn-Ag-Cu ǛဇƠƯƘƩƞƍŵ
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
7. PARTS LOCATION
FRONT A
FRONT B
Q105 Q107 Q106 Q104 Q115
POWER KEY A
POWER KEY B
Q108

2221
ᤲȕȪȸҞဋ
ᤲȕȪȸҞဋ
Ҟဋ˄ƚƴƸŴᤲȕȪȸҞဋ Sn-Ag-Cu ǛဇƠƯƘƩƞƍŵ
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
IC303 IC304
IC702
Q701 Q702
Q310 IC309
MAIN A
Q303
IC701IC301
IC302
IC810

23 24
ᤲȕȪȸҞဋ
ᤲȕȪȸҞဋ
Ҟဋ˄ƚƴƸŴᤲȕȪȸҞဋ Sn-Ag-Cu ǛဇƠƯƘƩƞƍŵ
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
IC306
IC801
Q313
Q312
Q311
Q802 Q801
MAIN B
IC308 IC501
IC804
IC803 IC802
IC806
IC807
IC808
IC307
Q314
Q807 - Q803
Q810L Q810R
Q811L Q811R
Q501L Q501R
Q502L Q502R
Q315L Q315R
Q316L Q316R
Q308
Q309
Q305 Q304
Q315 IC310
IC305
Q306 Q307
Q302 Q301

2625
8. MICROPROCESSOR AND IC DATA
IC305 : MB95F108W
Pin No. Direction Function
1 - A/D Power (5V)
2 - A/D Ref.V (5V)
3 O Line Out Mute
4 I Power Down Check
5 O Power Relay
6 I Remocon Input
7NC
8 O RC Out Control
9 O PLL, FLT, BU4094 Clock
10 O PLL, FLT, BU4094 Data
11 NC
12 NC
13 NC
14 - X0 (Main Clock ;10MHz)
15 - X1 (Main Clock ;10MHz)
16 - Vss (0V)
17 - Avcc (5V)
18 NC
19 - X1 (Sub Clock ; 32.768kHz)
20 - X0 (Sub Clock ; 32.768kHz)
21 I Micom Reset
22 NC
23 NC
24 NC
25 O BU4094 Data
26 O BU4094 Clock
27 NC
28 NC
29 NC
30 I UART RX (Crestron Input)
31 O UART TX (Crestron Output)
32 NC
Pin No. Direction Function
33 NC
34 O BU4094 Chip Enable
35 NC
36 NC
37 O XM-DACMS (Chip Select)
38 O XM-DACMC (Clock)
39 O XM-DACMDI (Data)
40 O EEPROM Clock
41 I/O EEPROM Data
42 O Audio Function Select
43 O LED (TUNED)
44 O PLL Chip Enable
45 I PLL Data Input
46 O Tuner Mute
47 I Tuned (PLL)
48 I Stereo (PLL)
49 NC
50 O UART TX (XM)
51 I UART RX (XM)
52 I Band Option
53 O FL Reset
54 O FL Strobe
55 O LED (SLEEP)
56 O LED (TIMER)
57 O LED (STEREO)
58 NC
59 O LED (POWER)
60 I Encoder B
61 I Encoder A
62 I Key Input 2
63 I Key Input 1
64 - A/D GND
■
AVss P30/AN00 P31/AN01 P32/AN02 P33/AN03 P34/AN04 P35/AN05 P36/AN06 P37/AN07 P40/AN08 P41/AN09 P42/AN10 P43/AN11 P67/SIN P66/SOT P65/SCK
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
AVcc 148 P64/EC1
AVR 247 P63/TO11
PE3/INT13 346 P62/TO10
PE2/INT12 445 P61/PPG11
PE1/INT11 544 P60/PPG10
PE0/INT10 643 P53/TRG1
P83 742 P52/PPG1
P82 841 P51/SDA0
P81 940 P50/SCL0
P80 10 39 P24/EC0
P71/TI0 11 38 P23/TO01
P70/TO0 12 37 P22/TO00
MOD 13 36 P21/PPG01
X0 14 35 P20/PPG00
X1 15 34 P14/PPG0
Vss 16 33 P13/TRG0/ADTG
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Vcc
C
PG2/X1A* PG1/X0A*
RST
P00/INT00
P01/INT01 P02/INT02 P03/INT03 P04/INT04 P05/INT05 P06/INT06 P07/INT07
P10/UI0
P11/UO0
P12/UCK0
64
TOP VIEW
■
P80 to P83
P14/PPG0
P53/TRG1
P65/SCK
P67/SIN
PE0/INT10 to PE3/INT1
3
AV CC
AV SS
AVR
P52/PPG1
P50/SCL0
P51/SDA0
P40/AN08 to P43/AN11
P30/AN00 to P37/AN07
P21/PPG01
P22/TO00
P23/TO01
P24/EC0
P12/UCK0 P62/TO10
P61/PPG11
P60/PPG10
P63/TO11
P
00/INT00 to P07/INT07
P10/UI0
P64/EC1
P71/TI0
P66/SOT
P70/TO0
RST
X0,X1
PG2/X1A*
PG1/X0A*
MOD, V
CC , V SS , C
P13/TRG0/ADTG
P20/PPG00
P11/UO0
I
2
C
F
2
MC-8FX CPU
UART/SIO
16-bit PPG ch0
8/16-bit PPG ch0
8/10-bit
A/D converter
C
16-bit PPG ch1
LIN-UART
8/16-bit PPG ch1
ROM
RAM
Port Port
External interrupt ch8 to ch11
8/16-bit compound
timer ch0
16-bit reload timer
8/16-bit compound
timer ch1
Interrupt control
Wild register
Reset control
Clock control
Watch prescaler
Watch counter
External interrupt ch0 to ch7
Internal bus
* : Single clock product is general-purpose port, and dual clock product is subclock oscillation pin.
Other pins