Teac AD-RW900 User manual

SERVICE MANUAL
AD-RW900/900E
CD Recorder/Reverse Cassette Deck
INSTRUCTIONS FOR SERVICE PERSONNEL
BEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CURRENT
OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSED PARTS ARE
ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.
D-0011Eective : July , 2013
CONTENTS
1. SAFETY INFORMATION ............................................................... 2
2. Specications ............................................................................... 3
3. Dimensional drawings................................................................ 4
4. Updating of System Firmware .................................................. 5
5. ADJUSTMENTS AND CHECKS................................................... 11
6. Block Diagram (AD-RW900)..................................................... 16
Block Diagram (AD-RW900E) ................................................... 17
7. Wiring Diagram (AD-RW900)................................................... 18
Wiring Diagram (AD-RW900E)................................................. 19
8. Exploded Views and Parts List (AD-RW900) ......................... 20
Exploded Views and Parts List (AD-RW900E) ....................... 25
9. PC Boards and Parts List ........................................................... 30
PC Boards and Parts List (ERP)................................................. 39
10. Included Accessories............................................................... 50
目次
1. 
2. 
3. 
4.  
5. 
6. 
7. 
8. 
9. 
10.

1. SAFETY INFORMATION

0CAUTIONS ABOUT LASER RADIATION
This product has been designed and manufactured according to FDA regulations “title 21, CFR, chapter 1, subchapter J, based on the
Radiation Control for Health and Safety Act of 1968“, and is classied as class 1 laser product. There is not hazardous invisible laser
radiation during operation because invisible laser radiation emitted inside of this product is completely conned in the protective
housings.
The label required in this regulation is as follows:
0Cautions
iDO NOT REMOVE THE EXTERNAL CASES OR CABINETS TO EXPOSE oTHE ELECTRONICS. NO USER SERVICEABLE PARTS ARE INSIDE.
iIF YOU ARE EXPERIENCING PROBLEMS WITH THIS PRODUCT, CONTACT TEAC FOR A SERVICE REFERRAL. DO NOT USE THE PRODUCT
UNTIL IT HAS BEEN REPAIRED.
iUSE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
Optical pickup :
Type : SF-DS1XD
Manufacturer : SANYO ELECTRIC CO., LTD.
Laser output : Less than 1.6 mW (Play) on the objective lens
: Less than 47 mW (Record) on the objective lens
: Less than 13 mW (Erase) on the objective lens
Wavelength : 785 nm
0CAUTION for products that use replaceable lithium batteries:
There is danger of explosion if a battery is replaced with an incorrect type of battery.
Replace only with the same or equivalent type
For U.S.A.
- 2 -
TEAC AD-RW900/900E

2. Specications

- 3 -
TEACAD-RW900
CD recorder
Pickup : 3-beam, semiconductor laser
Recording media : CD-R/CD-RW discs for music
Recording sampling frequency : 44.1 kHz
Frequency response : 20 Hz–20 kHz
(during playback: ±1.5 dB,
during recording/playback: ±2.0 dB)
S/N ratio : 90 dB or higher (during playback)
90 dB or higher
(during digital recording/playback)
80 dB or higher
(during analog recording/playback)
Dynamic range : 86 dB or higher (during playback)
86 dB or higher
(during digital recording/playback)
78 dB or higher
(during analog recording/playback)
Total harmonic distortion : 0.05% or lower (during playback)
0.05% or lower
(during recording/playback)
Analog output : 2.0 V (RCA)
Cassette deck
Track format : 4-track, 2-channel stereo
Head structure : recording/playback head ×1 (reversible)
Erasure head ×1
Tape type : C-60 cassette tape
Tape speed : 4.76 cm/sec
Motor : DC servomotor ×1
Pitch control : about ±10% (playback only)
Wow and flutter : 0.25% (W.RMS)
Frequency response (total) : chrome: 50–12,000 Hz ±3 dB
normal: 50–12,000 Hz ±3 dB
S/N ratio (total) : 59 dB (Dolby NR off, 3% THD level WTD)
69 dB (Dolby NR on, 5 kHz or higher)
Winding time : about 150 sec (C-60 tape)
Line input (RCA) : 0.46 V (input impedance 20 kΩ or higher)
Line output (RCA) : 0.46 V (load impedance 50 kΩ or higher)
Headphone output : 10 mW/32 Ω
PHONO input
Input sensitivity : 2.5 mV, 47 kΩ
Digital audio input
Input sampling frequency : 32, 44.1, 48 kHz
USB
USB port (A-type)
Playable MP3
Supported standard : MPEG-1/2 Audio Layer-3
File name extension : “.mp3”
Sampling frequency : 32, 44.1, 48 kHz
Bit rate : 8–320 kbps
Maximum number of folders : 255
Maximum number of les : 999
Playable WMA
Supported standard : Windows Media Audio Standard
(DRM not compatible)
File name extension : “.wma”
Recording format (MP3)
Recording bit rate : 128 kbps
Sampling frequency : 44.1 kHz
USB port (B-type) : ×1
Computer system requirements
Connection : USB 2.0 full-speed
(12 Mbps, equivalent to USB 1.1)
Driver
Windows : WDM (Windows standard driver)
Mac OS X. : Core Audio (Macintosh standard driver)
Veried operating systems
Windows: : Windows XP,Windows Vista,Windows 7
Macintosh : Mac OS X 10.5.8
Operation with standard computers that meet the above requirements
has been conrmed, but operation with every computer that meets the
above requirements is not guaranteed. Even with computers that meet
the same requirement, each computer will have different processing
capabilities according to their design specications and operating envi-
ronments.
General
Power
USA/CANADA Model : AC 120V, 60Hz
Europe/UK Model : AC 230 V, 50 Hz
General Export Mode : AC 120 V/230 V, 50-60 Hz
Power consumption
28 W
External dimensions
Dimensions (W x H x D) (including protrusions)
435 × 145 × 288 mm
Weight
5.6 kg (12 1/3 lb)
Operating temperature range
+5˚C to +35˚C
Operating humidity range
5% to 85% (no condensation)
Storage temperature range
−20˚C to +55˚C

3. Dimensional drawings

 



 
- 4 -
TEAC AD-RW900/900E

4. Updating of System Firmware

4-1. How to update of MCU rmware
4-1-1. Checking the firmware version Checking the firm-
ware version
Check the rmware version of AD-RW900/900E before starting
rmware updating procedures.
1) Turn the unit on.
2) Press the “COUNTER RESET” and “SOURCE” buttons at the
same time.
3) The current rmware version is shown at the bottom of the
display.
iAfter checking the version, press the “COUNTER RESET”
and “SOURCE” buttons at the same time again to restore
the usual display contents. (You can also turn the unit off
and on again to restore the usual display contents.)
4-1-2. Firmware update procedures
Copy the “player.rom” updater le to an empty USB ash
drive in advance.
1) Set the SOURCE to “USB”.
2) After “No USB” appears on the display, connect the USB ash
drive that contains the “player.rom” updater le to the USB
port.
3) After “READING” appears on the display, “UPDATING” will
appear for about 30 seconds while the rmware is being up-
dated.
注意
Do not disconnect the power cord or turn the unit off while
“UPDATING” appears on the display.
4) After about 30 seconds, “COMPLETE” will appear on the dis-
play.
5) Disconnect the USB ash drive and turn the unit o.
6) When you turn the unit on again, it will be using the new
rmware version.
4-1.MCUファームウェアのアップデート
4-1-1.ファームウェアバージョンの確認
ファームウェアアップデート作業前に、AD-RW900/900E
のファームウェアバージョンを確認します。
1)本体の電源をオンにしてください。
2)本体の「COUNTERRESET」と「SOURCE」ボタンを同
時に押してください。
3)ディスプレー下側に現在のファームウェアバージョン
が表示されます。

i確認後は、再度「COUNTERRESET」と「SOURCE」
ボタンを同時に押し、通常状態に戻してください。
（一度電源をオフにし、再度電源をオンにしても通
常状態に戻ります。）
4-1-2.ファームウェアアップデート手順
あらかじめ、書き換え用ファイル「player.rom」を空の
USBメモリーにコピーしておいてください。
1)SOURCEを「USB」にする。
2)「NOUSB」表示になったら、前面のUSB端子にUSBメ
モリーを挿入する。
3)「READING」表示後、「UPDATING」が表示され、約30
秒間書き換えを行います。
注意
「UPDATING」表示中は、電源コードを抜いたり、電源
をオフにしないでください。
4)約30秒経過後「COMPLETE」が表示されます。
5)USBメモリーを抜いて、電源をオフにします。
6)電源をオンにすると、新しいバージョンで起動します。
Firmware version Deck MCU Firmware version
- 5 -
TEAC AD-RW900/900E