Sony MZ-300 - Manuals - manualsarea.com

Page 2 - ELECTRICAL PARTS LIST; Flexible Circuit Board Repairing; • Keep the temperature of the soldering iron around 270; Notes on chip component replacement; TABLE OF CONTENTS; SECTION 1; CAUTION; Note on IC replacement; Especially, be sure to check between pins 4 and 5.

2 MZ-E300 Specifications ........................................................................... 1 1. SERVICING NOTE ...................................................... 2 2. GENERAL Preparing a Power Source .................................................. 3To Connect the Headphones/Earphone...

Page 4 - Follow the disassembly procedure in the numerical order given.

4 MZ-E300 SECTION 3 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 3-1. “LID ASSY, UPPER”, HOLDER ASSY 3-2. MECHANISM DECK • The equipment can be removed using the following procedure. 1 Screws (1.4),MI Case ASSY 3 Lid ASSY , Upper 5 Holder ASSY Holder ASSY Reinfor...

Page 6 - Connection; SECTION 4; To set the TEST MODE, three methods are available.

6 MZ-E300 3 In the normal mode, operate the keys on the set and those on theremote control as specified below:Turn on HOLD switch on the set. Holding down x (STOP) key on the set, press the keys on the remote control in thefollowing sequence: > N t > N t . t . t > N t . t > N t . t X t X...

Page 7 - AAAS CC

7 MZ-E300 888:88 130 u F 1SHUFF AVLS BASS All on All off Microprocessorversiondisplay 888 u 008 V1.300 F 1SHUFF PGM SOUND 1 2 BASS 1 2 All on All off Microprocessorversiondisplay The remote control display varies with the type of remote control unit used.(Example shown: RM-MC10L) 4-2-2. Operations w...

Page 8 - X X X S X X; ASS; AdJ cL

8 MZ-E300 Note: In the Power mode, the item title display is only displayed. 5. To terminate the Manual mode and return to the TEST MODE, press x key. 4. During each test mode, the display is changed from one to another each time DISPLAY key is pressed (Remote controlonly). 4-5. OVERALL ADJUSTMENT M...

Page 9 - XX; Microprocessor Version 1.10

9 MZ-E300 4-6-1. Electrical offset adjustment methodNote: 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 of main unit activates the overall adjustment mode. Main unit LCD display 4. Press the + key. Main unit ...

Page 10 - Microprocessor Version 1.20 and higher

10 MZ-E300 5 Rewriting of the adjustment value.1.After CD overall adjustment, switch to manual mode No. 321 in the condition the disc is in. 2.Press – key on the remote control unit to set 1 step down the adjustment value of No. 321, and press the pause key on theremote control unit to write this va...

Page 13 - SECTION 5

13 MZ-E300 Pin No. Pin name I/O Description 1 FR I Connected to Bias resistor for VTEC oscillating frequency 2 ISET I Connected to Bias resistor for VTEC current charge pump 3 VCVDD — Power supply for VTEC 4 PDD O VTEC current charge pump output 5 TEST3 I Input for test 6 TEST2 I Input for test 7 SL...

Page 18 - MAIN BOARD

18 18 MZ-E300 5-2. BLOCK DIAGRAMS • Signal path. F : Analog J : Digital 12 2 RFVC MON HFL 5 2 CLK INM2 INM1 RF2 RF1 VRMC XWK3VSTB XWK1 XWK4 VD XRST 10 44 VLO 19 VG 18 LG 9 VL 11 VL 1612 L2L2 50 VB 28 L1 32 L1 33 VC OUT 7 26 27 22 23 56 46 XWK2 3 SLEEP 55 FFCLR 54 46 VC 36 VC 34 VC2 45 21 1 20 13 4 2...

Page 19 - Refer to page 24 for Notes.; MOTOR FLEXIBLE BOARD; Semiconductor

19 19 MZ-E300 5-3. PRINTED WIRING BOARDS – MAIN SECTION (1/2) – z Refer to page 24 for Notes. 2 3 4 5 6 7 8 9 A 1 B C D E F MAIN BOARD (SIDE B) 11 (11) 1-679-460- C910 R905 C906 R910 R810 R820 C555 C951 D903 C907 C553 C554 C551 C552 L553 L554 L552 L551 1 5 10 14 15 20 25 28 29 30 35 40 42 43 45 C810...

Page 25 - • Waveforms

25 MZ-E300 Approx.396 mVp-p Approx.540 mVp-p Approx.1.1 Vp-p Approx.416 mVp-p 1.1 Vp-p 16.34MHZ 3 Vp-p 5.3 µ s 2.8 Vp-p 11.1 ms 2.8 Vp-p 11.8 ms • Waveforms 1 IC501 1 (TE), IC601 w; (TE) (PLAY Mode)200 mV/DIV, 1 µ s/DIV 2 IC501 8 , 9 , 0 , qa (IY, IX, JX,JY) (PLAY Mode)200 mV/DIV, 500 ns/DIV 3 IC501...

Page 26 - • IC BLOCK DIAGRAMS

26 MZ-E300 • IC BLOCK DIAGRAMS IC301 TA2131FL-EL V REF MT SW BST SW BEEP 19 20 21 22 23 24 18 17 16 15 14 13 PWSW 12 11 10 8 7 BST1 9 BST2 6 5 4 3 2 1 BST AGC PW B PW A ADD TC MT VCC INR INL BEEP OUTB BEEP OUTA +B OUTL PWR GND OUTR DET AGC IN BST OUT BST NF2 LPF2 BST NF1 LPF1 VREF VREF IN GND BEEP I...

Page 31 - MAIN

31 MZ-E300 NOTE : • Due to standardization, replacements in the parts list may be different from the partsspecified in the diagrams or the componentsused on the set. • -XX, -X mean standardized parts, so they may have some difference from the originalone. • RESISTORS All resistors are in ohmsMETAL :...

Page 34 - REVISION HISTORY; Date; Correction of Overall Adjustment Mode.

REVISION HISTORY 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 revisedpage. Ver. Date Description of Revision 1.2 2001.12 Change of microprocessor (IC801 : Ver 1.3). (SPM-01052) 1.1 2001.03...