Page 2
PCBs location Display board Main board USB BOARD VERSION VARIATION Type /Versions: MCM1006 /51/55/93/77 Service policy Board in used: LATAM/APMEA USB BOARD DISPLAY BOARD MAIN BOARD Type /Versions: MCM1006 Features Feature diffrence /51/55/93 VOLTAGE SELECTOR ECO STANDBY - DARK * TIPS : C -- Component Lever Repair.
Page 3
2.35kg Unit in Master carton: N/A Weight (excluding packing and batteries): 2.05 kg Units in Dealer carton: 1 set Remark : Description Class No Issued Date 7/11/2011 MCM1006 7/11/2011 2011-07-11 NAME : Mo Lam Kei SH 190 - 1 CHECK...
Page 4
( DEMO mode " OFF " ) , NOM. A, INPUT Maximum : @ 1/8 Prated , NOM. A, INPUT ECO Power mode : Remarks : GENERAL PART 1 - GENERAL SPECICFICATION Class No Issued Date 7/11/2011 MCM1006 7/11/2011 2011-07-11 NAME : Mo Lam Kei SH 190 - 4 CHECK...
Page 5
Electrical parameters are to be measuremend at specker terminals across 6 Ohm load ( pure resistor ) with rated input signal in AUX mode; with DBB OFF GENERAL PART 1 - TECHNAICAL SPECICFICATION Class No Issued Date 7/11/2011 MCM1006 7/11/2011 2011-07-11 NAME : Mo Lam Kei SH 190 - 5 CHECK...
Page 6
Channel Separation(1K) 40dB (Lim. 26dB) Channel Separation(10K) 30dB (Lim. 16dB) CD Shock sens. USB PART - Refer to Philips USB direct user requirement spec. DBB effect 8+/- 2 dB at AUX 500mV, 1kHz CLOCK / CD SPECICFICATION Class No Issued Date...
Page 7
IF Rejection Large Signal 130dBf Nom. Lim. 125dBf dBuV/m 120 dBuV/m Nom. AM / MW dBuV/m 114 dBuV/m Lim. Remarks TUNER SPECICFICATION Class No Issued Date 7/11/2011 MCM1006 7/11/2011 2011-07-11 NAME : Mo Lam Kei SH 190 - 7 CHECK...
Page 8
MEASUREMENT SETUP Tuner FM Bandpass LF Voltmeter 250Hz-15kHz e.g. PM2534 e.g. 7122 707 48001 RF Generator e.g. PM5326 S/N and distortion meter e.g. Sound Technology ST1700B Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz). Tuner AM (MW,LW) Bandpass LF Voltmeter...
SERVICE AIDS WARNING All ICs and many other semi-conductors are susceptible to electrostatic discharges (ESD). Careless handling during repair can reduce life drastically. When repairing, make sure that you are connected with the same potential as the mass of the set via a wrist wrap with resistance. Keep components and tools also at this potential.
2 - 1 INSTRUCTIONS ON CD PLAYABILITY Customer complaint "CD related problem" Set remains closed! check playability playability ok ? For flap loaders (= access to CD drive possible) "fast" lens cleaning cleaning method is recommended check playability playability ok ? Play a CD for at least 10 minutes check playability...
Page 11
2 - 2 INSTRUCTIONS ON CD PLAYABILITY PLAYABILITY CHECK LIQUID LENS CLEANING Before touching the lens it is advised to clean the surface of the lens by blowing clean air over it. For sets which are compatible with CD-RW discs This to avoid that little particles make scratches on use CD-RW Printed Audio Disc ....7104 099 96611 the lens.
Page 17
5 - 4 5 - 4 CIRCUIT DIAGRAM-MAIN BOARD PART 4 DISCONNECT POWER CORD BEFORE SERVING RADIO SIGNAL RECOMMEND THE UNIT BE OPERATED BY DC 12V VOLTS DURING TROUBLE SHOOTING CD SIGNAL COMPONENTS MARKED WITH HAVE CRITICAL AUX SIGNAL CHARACTERISTICS.ONLY REPLACE WITH THE COMPONENT OF THE SAME TYPE NUMBER.
Page 24
Revision List Revision List Version 1.0 * Initial Release Version 1.1 * Add /93 version Version 1.2 * Add /51 version Version 1.3 * Add /77 version on wk1218 14-1...