Instruction/ maintenance manual of the product MZ-E900 Sony
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V er 1.1 2001.01 MZ-E900 SERVICE MANUAL POR T ABLE MINIDISC PLA YER SPECIFICA TIONS US Model Canadian Model AEP Model UK Model E Model T our ist Model Model Name Using Similar Mechanism NEW MD Mechani.
2 MZ-E900 Specifications ........................................................................... 1 1. SER VICING NOTE ...................................................... 2 2. GENERAL Location and Function of Controls ...........................
3 MZ-E900 SECTION 2 GENERAL This section is extr acted from instruction manual. Ver 1.1 2001.01.
4 MZ-E900 SECTION 3 DISASSEMBL Y Note : Follow the disassembly procedure in the numerical order given. 3-1. “LID ASSY , UPPER”, HOLDER ASSY 3-2. MECHANISM DECK r The equipment can be removed using the following procedure.
5 MZ-E900 3-3. A UDIO BOARD 3-4. BRA CKET (R) ASSY Panel, bottom 2 CN801 1 Switch flexible board Audio board 1 Screws (MI 1.4 ) 2 Screws (MI 1.4) 3 Bracket (R) ASSY Panel, bottom Ver 1.
6 MZ-E900 Panel, bottom Main board 6 Remove solder 2 Lid, battery case 1 Claw 5 3 7 8 Bracket (L) ASSY Knob (AVLS) SW board Knob (HOLD) Knob (open) 4 Screw (MI 1.4) 3 Screw (MI 1.4) 4 Spring, thrust deten t 1 Washer 2 Gear (SA) 5 Optical pick-up ASSY (LCX-4E) 3-5.
7 MZ-E900 Remote control LCD • Press and hold down X to hold the current display while the key is being pressed. 4-2-3. How to release the TEST MODE When method 1 was used: Turn of f the power and open the solder bridge on T AP601 on the main board.
8 MZ-E900 2. During each test, press and hold down > N key or . key for a while to move the optical pickup on the sled outer or inner perimeter . 3. Each test item is assigned with a three-digit item number . The 100th place is a major item, 10th place is a middle item, and unit place is a minor item.
9 MZ-E900 4-6-2. Self-diagnostic mode 1. Set the TEST MODE. 2. With all the LCD display segments blinking on the set, press DISPLA Y key and the Self-diagnostic mode is entered. 3. Hereinafter , each time > N key is pressed, the reference information display changes as follows: • Press .
10 MZ-E900 4-8. KEY CHECK MODE 4-8-1. Outline of the function This mode is used to check to make sure that each of the keys (including the slide switch) on the set operates normally . 4-8-2. Setting the Ke y Check mode 1. Set the TEST MODE. Press and hold down DISPLA Y key (for more than 3 sec) to set the Key Check mode.
11 MZ-E900 5-4. MANU AL POWER ADJUSTMENTS 5-4-1. Adjustment sequence The adjustments should be always performed in the following se- quence: 1 Vc PWM Duty (L) adjustment (item No.:762) r 2 Vc PWM duty (H) adjustment (item No.:763) r 3 Vl PWM Duty adjustment (item No.
12 MZ-E900 5-4-5.Electrical offset adjustment method Note: Doing adjustment by the state that a disc does not enter . 1. Confirm the power voltage is 1.5V . 2. Set to the test mode. 3. Press the – key activates the overall adjustment mode. LCD display 4.
13 MZ-E900 3. If NG in the overall CD adjustments, return to Reset NV and perform from the electrical offset adjustment again. LCD display XXX: NG item No. 4. If OK through the overall CD adjustments, then perform overall MO adjustments. LCD display 5.
14 MZ-E900 Item No . Contents 230 T racking servo ON 236 ABCD gain adjustment 237 KF gain adjustment 238 RF gain adjustment 244 FCS gain adjustment 245 TRK gain adjustment READ GR V adjustment 1 100 R.
15 15 MZ-E900 SI0 SCK0 S00 XCS NV 217 12 160 161 9 3 194 195 221 XRF RST PDS1 XCS NV SI0 SCK0 S00 XTEST PD S0 S MON SSB CLK SSB DATA VREF MON OFTRK MUTE XHP STB BEEP 142 RMC DTCK 159 ORP LED 224 XAVLS.
16 16 MZ-E900 6-2. PRINTED WIRING BO ARDS – MAIN SECTION (1/2) – 2 3 4 5 6 7 8 A 1 B C D E F C505 C506 C519 C507 C530 C503 C502 R551 R503 C854 C853 C603 C604 C526 C613 C605 C810 C802 C616 C607 C69.
17 17 MZ-E900 6-3. PRINTED WIRING BO ARDS – MAIN SECTION (2/2) – 2 3 4 5 6 7 A 1 B C D E F MAIN BOARD (SIDE B) 12 (12) 1-679-232- TP611 TP612 TP558 TP606 TP552 TP562 TP563 TP556 TP557 TP566 TP609 .
18 18 MZ-E900 6-4. SCHEMA TIC DIA GRAM – MAIN SECTION (1/2) – IC B/D z Refer to page 22 f or Notes. z Refer to page 22 – 24 f or IC Block Diagrams.
19 19 MZ-E900 6-5. SCHEMA TIC DIA GRAM – MAIN SECTION (2/2) – IC B/D IC B/D z Refer to pa g e 22 for Notes. z Ref er to page 22 – 24 for IC Block Dia grams.
20 20 MZ-E900 6-6. PRINTED WIRING BO ARDS – A UDIO SECTION – 2 3 4 5 6 7 A 1 B C D E C204 R203 R204 R303 R302 R106 R104 R206 R816 R103 R101 R105 R102 R304 R202 R205 R201 R301 C303 C302 C104 C803 C.
21 21 MZ-E900 6-7. SCHEMA TIC DIA GRAM – A UDIO SECTION – IC B/D Note: • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums. • All resistors are in Ω and 1 / 4 W or less unless otherwise specified.
22 22 MZ-E900 r W A VEFORMS 1 IC501 1 TE 2 3 IC501 ed (RF) IC501 rs (FE) Approx. 12 mVp-p Approx. 1.2 Vp- p Approx. 10 mVp-p Note on Schematic Dia gram: MAIN SECTION • All capacitors are in µ F unless otherwise noted. pF: µµ F 50 WV or less are not indicated except f or electrolytics and tantalums.
23 MZ-E900 IC551 SC111257FCR2 56 55 42 41 40 CPUO W1 V1 U1 PWM OE 7 VM1 RO1 8 FO1 9 10 VM12 PGND1 11 RO2 12 PGND2 13 FO2 CPAIP CPAIM CPBIP CPBIM CPAO CPB0 VM3 RO3 FO3 VM34 PGND3 RO4 PGND4 FO4 14 15 16.
24 MZ-E900 IC901 XPC18A32FCR2 56 55 42 41 40 VLON XWK1 XWK2 XWK3 XWK4 VSTV 7 VRMC GND 8 VL VLO 9 10 VL 11 L2 12 PGND2 13 PGND2 VIF VA VAFB VDFB VIFFB GND VC VCO VCOUT L1 VC NC PGND1 PGND1 14 15 16 17 .
25 MZ-E900 SECTION 7 EXPLODED VIEWS NO TE : • -XX, -X mean standardized parts, so they may have some difference from the original one. • Color indication of Appearance Parts Example : KNOB, BALANC.
26 MZ-E900 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 51 1-679-187-11 MOTOR FLEXIBLE BOARD 52 3-222-392-01 SCREW (M1.4), T APPING 53 3-222-394-01 CHASSIS 54 3-224-779-01 SPRING, THRUST DETENT 55 4-222-216-01 GEAR (SA) 56 3-338-645-41 WASHER (0.
27 MZ-E900 NO TE : • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX, -X mean standardized parts, so they may have some difference from the original one.
28 MZ-E900 C601 1-107-820-11 CERAMIC CHIP 0.1uF 16V C603 1-107-820-11 CERAMIC CHIP 0.1uF 16V C604 1-107-820-11 CERAMIC CHIP 0.1uF 16V C605 1-115-156-11 CERAMIC CHIP 1uF 10V C606 1-127-895-91 T ANT AL. CHIP 22uF 20% 4V C607 1-115-156-11 CERAMIC CHIP 1uF 10V C610 1-117-919-11 T ANT AL.
29 MZ-E900 R901 1-218-969-11 RES-CHIP 22K 5% 1/16W R903 1-218-957-11 RES-CHIP 2.2K 5% 1/16W R909 1-218-965-11 RES-CHIP 10K 5% 1/16W R910 1-218-965-11 RES-CHIP 10K 5% 1/16W R911 1-218-990-11 SHORT 0 R920 1-208-707-11 MET AL CHIP 10K 0.5% 1/16W R921 1-218-979-11 RES-CHIP 150K 5% 1/16W R946 1-208-715-11 MET AL CHIP 22K 0.
30 MZ-E900 • Dr y Batter y Case • Headphones/earphones with a remote control • Battery Charger • Rechargeable Battery • Rechargeable Battery Carrying Case • Carr ying Pouch 501 503 505 507 504 506 502 Note : The component name in a figure just mentions a component name in instruction manual.
REVISION HIST OR Y Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. V er . Date Description of Revision 1.1 2001.01 US, Canadian, AEP and UK model has been added.
An important point after buying a device Sony MZ-E900 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony MZ-E900 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony MZ-E900 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony MZ-E900 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony MZ-E900 will certainly help you make a decision on the purchase.
If you already are a holder of Sony MZ-E900, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony MZ-E900.
However, one of the most important roles played by the user manual is to help in solving problems with Sony MZ-E900. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony MZ-E900 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
