Examples: Handle brackets, Metal Part metal cabinets, screwheads and control shafts. The current measured should not Ohmmeter exceed 0.5 milliamp. Reverse the power- plug prongs in the AC outlet and repeat. Fig. 1-2 Insulation Resistance Test Samsung Electronics...
Make sure that the 8. Always connect a test instrument's ground portion around the serviced part has not lead to the instrument chassis ground been damaged. before connecting the positive lead; always remove the instrument's ground lead last. Samsung Electronics...
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SCAN : Manufactured for Scandinavian KATSO SATEESEEN! Market. VARNING: OSYNLIG LASERSTRÅLNING NAR DENNA DEL AR OPPNAD OCH SPARREN AR URKOPPLAD BETRAKTA EJSTRÅLEN! Fig. 1-4 Warning Labels (Location: Disc Clamper, Inner Side of Unit Door or Nearby Unit Chassis ) Samsung Electronics...
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6. After replacing the Pickup, reopen the Short Terminal. See diagrams below: THE UNIT (1) WRIST-STRAP CONDUCTIVE SHEET FOR GROUNDING short short short short terminal terminal terminal terminal SOH-A1 SOH94T4N SOH91CI(CAR,walkman) (CMS-V10,CMS-V30) SOH91VI(LDP) (CMS-V10,CMS-V30) Samsung Electronics...
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2. Specifications Power source 230V 50Hz(Option) Power consumption 90W (MAX-445) General (Option) 150W (MAX-455) Dimensions (mm) 270(W) x 315(H) x 335(D) Power output (Option) 20W/CH(6Ω) (MAX-445) 40W/CH(6Ω) (MAX-455) Total harmonic distortion 0.5% Amplifier Frequency range 20Hz ~ 20kHz Signal to noise ratio...
3. Disassembly and Reassembly 3-1 Cabinet-Top 1. Remove 11 screws holding the cabinet-top. 2. Lift the back of the cabinet-top and slide it to the rear to remove. (See arrow) OPTION OPTION Figure 3-1 Samsung Electronics...
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- Turn the gear clockwise using a screw driver as shown in Figure 3-2- 1. - Pull the Tray in the direction of arrow @ and then remove the Door in the direction of arrow # . 3. Remove 2 screws $ and lift the CD-MECHA. Figure 3-2-1 OPTION OPTION Figure 3-2 Samsung Electronics...
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1. Remove 14 screws % and then lift the cabinet-rear ^ and slide it to rear to remove (see arrow). 2. Remove the Main-PCB & to rear. OPTION OPTION Figure 3-3 3-4 Cabinet-Front and Cabinet-Bottom 1. Remove 5 screws 2. Remove the cabinet-rear by pushing the "A" and "B" as shown. OPTION OPTION Figure 3-4 Samsung Electronics...
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16 16 13 13 17 17 18 18 10 10 11 11 12 12 CD SUB PCB 14 14 19 19 20 20 21 21 TRAY DISC ASS'Y 15 15 HOOK CD MAIN PCB Figure 3-5 Samsung Electronics...
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1. Remove the Lever-Lifter (9) from the Base-Main by releasing two hooks. 2. Remove four Rubber-CD (0) from the Lever-Lifter and then remove the Deck-CD (“). 3. Remove the Hook . 4. Remove the CD Main PCB with the soldering iron. Samsung Electronics...
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* Align the Gear-cam with the gear-Tray as shown in Figure3-6, then mount the Tray-Disc. Gear-Tray Gear-Cover Gear-Cam Timming Point Gear-Cam Figure 3-6 * When assembling the Tray-Disc, take extreme care not to engage with Gear-Synchro. Gear-Synchro Insert Gear-Disc Figure 3-7 Samsung Electronics...
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8. Remove the Gear(c) ( by pushing the hook. 9. Lift the Gear(b) ) . 10. Remove the Gear(a) 1 . 11. Remove 2 screws 2 and then remove the Feed-Motor 3 . 12. Remove the Chassis-Deck(M) 4. Figure 3-8 Samsung Electronics...
Figure 4-2 FM Auto Search Level Adjustment 60cm IFT1 AM(MW) I.F Adjustment OUTPUT SSG FREQ. 450KHz AM ANT Adjustment point AM I.F COIL Speaker Terminal AM SSG (IFT1) 450KHZ INPUT Maximum output(Figure 4-3) OUTPUT Oscilloscope VTVM Figure 4-3 AM I.F Adjustment SPEAKER JACK Samsung Electronics...
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Bias oscillation Figure 4-4 85KHz 3) Press Hi-SPEED JPT1 MTT5512 frequency button. in the DECK1. 4) Press RECORD button. VTVM Oscilloscope OUTPUT Speaker Frequency (GND) Terminal Counter Figure 4-5 REC PB Head Figure 4-4 AZIMUTH Adjustment Screw Figure 4-6 Samsung Electronics...
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Raise NVR1702 and adjust the waveform so that its middle Set NVR1701 to 0mV. comes to GND of the oscilloscope (or until the upper half of waveform becomes symmetrical to the bottom half, A=B) Adjust NVR1704 (arrow) for normal sound. Samsung Electronics...
The inverted input of FZC comparator is set to 5.7% of the difference between Vcc and VC(pin69) {{5.7% x (Vcc-Vc)}. Note : If the resistance connected to pin7 changes, the phase compensation peak of the focus tracking sled servos change. (The 'op-amp' dynamic range and offset voltage also change.) Samsung Electronics...
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TM5 or TM6 = 22µA, This current is inversely proportional to the resistor, variable within a range of t 5 to 40 µA for TM3. STOP is the ON/OFF detection signal for the limit SW (or the sled motor's innermost cirumference). Samsung Electronics...
(pin no. 27 ; 5V) Front PCB When the power is Replace µ-com. ON 'H' displays at pin no. 5 ?(5V) Connect Front PCB and Main PCB. Check the Power PCB : P/T, FUSE Check the connector Main PCB. Wafer MCW2 Samsung Electronics...
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RC2,3 and RIC1. B+,B- circuits Confirm for TR short AQ103L,R Base B+ ? replace it. Is Mute selected ? Remove it with Remocon. Replace Headphone jack Headphone Jack short ? soldering condition. Check if the output line is short. Samsung Electronics...
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1.7V 7.5V ? Replace LC72131 AM VT Check the LC72131 LC72131 pin 20 CONTROL ok? 0.9V 7V ? Check HIC1 pin 20 ? Check FEP interior LPF1,2 Check TDA7318 function ok? pattern, and any line output ok? disconnections. Samsung Electronics...
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Connector inserted Reinsert the connector. correctly? Check Main-PCB Front PCB Check voltage : AC 4.8V connection and the voltage of at FRONT-PCB FLT? MCW2, pins1,2(AC4.8V) Check voltage at UIC1 Check the voltage of RD3(-30V) pin no. 48(-30V) Replace UIC1 Samsung Electronics...
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2 R/P Deck : L Check for voltage at LC2 BIAS OSC Oscillate RECORD BIAS (85KHZ) Osc Frequency : 85kHz When inoperative : LQ4, LQ3 check Check for voltage at pin no.16,8 R/P Switching Convert of PLAY/RECORD Mode Pin no.16,8 Rec. PLAY Samsung Electronics...
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Check Roulette Control Sensor Check oscillation of NXF100 Is Focus Search ok ? (16.9344MHZ) Does Laser function during Replace PICK UP Focus Search ? Check NIC9282 pin73 voltage Replace NIC9282 during Focus Search : 5V Replace NIC9220 or NIC9258 Samsung Electronics...
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6-3-2 Audio Output Malfunction Malfunction of Audio Output Check voltage of NIC05 : 5V Replace NIC05 Check waveform of NIC9282 Check NIC9282 soldering pin no. 19,20 Replace NIC9270 Check waveform of NIC9270 Check NIC9270 soldering pin no. 9,12 Check Amp Samsung Electronics...
10000-607-162 AH81-10025K REEL GEAR ASS’Y 11128-00045AA 10000-607-109 AH81-10026L BELT MAIN 59.7 PI X 1.0T 10000-607-159 AH81-10025T ARM-SENSOR 11102-00530AA 10000-607-117 AH81-10026H BELT SUB 34.7 PI X 1.0T 10000-607-156 AH81-10025M PAUSE LOCK CAM 11116-00011A 10000-607-111 AH81-10025U BUTTON KNOB 11133-00010AA 10000-607-128 Samsung Electronics...
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Block Diagrams 9-2 CD Samsung Electronics...
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SENS SCOR INTERRUPT REMO REMOCON INPUT DISC2 DISC2 LED DISC3 DISC3 LED VFD CONTROL " " " " " " " " " " " " " +5.6V VDVP -30V VFD PINCH OFF VOLTAGE S 16 VFD CONTROL Samsung Electronics...
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CLOSE CLOSE SW CE 23 NJU3713(OPTION) CE CE 22 NJU3713 CE DISC1 DISC 1 LED 1 SYNC REC-IN (CD-SYNC) CE 21 M65840 (KEY CON) LATCH DO 2 P5 0 NJU3713, NJU3713 (O) CLK 2 P5 1 NJU3713, NJU3713(O) Samsung Electronics...
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TUNER TAPE NJU3713 : UIC3 (ECHO, KEY+CON OPTION) Description Name LED : VOICE CANCEL LED : "b" LED : "#" LED : ECHO ON/OFF SW B, C (M62453) SW A (M62453) ECHO CE DATA RESET DOUBLE EMPHA SEL3 Samsung Electronics...
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3RAM ADDRESS LOCK GENERATOR X' TAL XOUT TIMING GENERATOR INTERPOLATE X' TAL C P U MDAT TIMING INTERFACE GENERATOR MCK 38 DIGITAL FILTER (BFS) TRCNT /ISTAT VREFH2 VREFH1 D A C VREFL1 MODE DIGITAL SELECTOR OUTPUT VREFL1 Samsung Electronics 9-13...