Samsung MAX-810 Service Manual

Text of Samsung MAX-810 User Guide:

• Samsung MAX-810, Samsung Electronics1-2 1-1 Safety Precautions (Continued) 7. Components, parts and wiring that appear to have overheated or that are otherwise damaged should be replaced with parts that meet the original specifications. Always determine the cause of damage or overheating, and correct any potential hazards 8. Observe the original lead dress, especially near the following areas: Antenna wiring, sharp edges, and especially the AC and high voltage power supplies. Always inspect for pinched, out-of-place, or frayed

• 6-1-2 No Output Yes AQ1L,1R Base B+ ? Is Mute selected ? Headphone Jack short ? Remove it with Remocon. Replace Headphone jack soldering condition. Main PCB AIC1 (STK4121,4141,4181-Option) pin no. 9,11,12,14 B+,B- circuits Check the B+ power source part in RD2(PBL403), RC3,4 and RIC1. Yes Confirm for TR short replace it. Check if the output line is short. No No No No Yes Yes (AJ2) 6-2 Samsung

• Samsung MAX-810, Block Diagrams 9-5 RF AMP & Servo Processor(KB9223) : NIC9223 No. Port Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 MCP DCB FRSH DCC2 DCC1 FSET VDDA VCCP GC21 GC20 CH2I GC2O CH1O CH1I GC1O GC1I RRC VSSP MUTEI ISET VREG WDCK SMDP SMON SMEF FLB FS3 FGD LOCK TRCNT ISTAT ASY EFM VSSA MCK MDATA MLT RESET MIRROR FOK Capacitor connection pin for mirror hold Capacitor connection pin for defect Bottom hold Capacitor connection pin for time constant to generate focus search waveform The input pin through capacitor of defect bottom hold output The output pin of defect bottom hold The peak frequency setting pin for

• Samsung MAX-810, 6-1-3 Tuner Malfunction(FM/AM) IZD1(8.2V) Voltage ok ? Yes Check TUNER IC(LA1836) pin no.10 ; 8.2V pin no.14 ; 7.2V AM ; 0V ? Yes LC72131 CONTROL ok? Yes FM VT LC72131 pin no.20 1.7V 7.5V ? Yes AM VT LC72131 pin 20 Check the LC72131 CONTROL ok? Yes Yes Check HIC1 pin 20 ? LPF1,2 output ok? Check BIC1 TDA7439 function ok? Check FEP interior pattern, and any line disconnections.  1) Power impaired so repair defects. 2) LC72131 Oscillator (HX1 : 7.2MHz) ok ? 3) System line ok? No Yes Check for µ-com IC Replace LC72131 No HZD1 (5.6V) Voltage ok? HIC1 (LC72131) FM/AM BAND Switching ok? No No No No No No No

• Figure 3-8 Samsung Electronics 3-7 3-6 CD Deck 1. Remove the Shaft !. 2. Lift the P/U @. Note : Take extreme care not to touch the surface of lens. 3. Lift the Center-ring #. 4. Remove the Spring-T/Table $. 5. Remove the Turn-Table (M) %. 6. Remove 2 screws ^ and then remove the Spindle-Motor &. 7. Remove the Cover-Gear * by pushing the hook. 8.

• Samsung MAX-810, BC9R 2401-002180 C-AL;2.2UF,20%,50V,GP,TP,5X11,5MM BD1 0401-000101 DIODE-SWITCHING;1N4148,100V,200MA,500MW, BD2 0401-000101 DIODE-SWITCHING;1N4148,100V,200MA,500MW, BL3 2701-000179 INDUCTOR-AXIAL;33UH,10%,4.2X9.8MM BQ1L 0504-000122 TR-DIGITAL;KSR1009Y,NPN,300MW,4.7K,TO-92 BQ1R 0504-000122 TR-DIGITAL;KSR1009Y,NPN,300MW,4.7K,TO-92 BQ2 0504-001003 TR-DIGITAL;KSR2003,PNP,300MW,22K-22K,TO- BR1 2001-000429 R-CARBON;1KOHM,5%,1/8W,AA,TP,1.8X3.2MM BR2 2001-000515 R-CARBON;220OHM,5%,1/8W,AA,TP,1.8X3.2MM BR3L 2001-000331 R-CARBON;12KOHM,5%,1/8W,AA,TP,1.8X3.2MM BR3R 2001-000331 R-CARBON;12KOHM,5%,1/8W,AA,TP,1.8X3.2MM BR4L 2001-000977 R-CARBON;8.2KOHM,5%,1/8W,AA,TP,1.8X3.2M BR4R 2001-000977 R-CAR

• Samsung MAX-810, Special Circuit Descriptions Samsung Electronics 5-3 5-1-5 Mirror Circuit 5-1-6 EFM Comparator After RFI signal is amplified by mirror amp, mirror signal is held in peak and bottom circuit. The following of 100KHZ traverse is possible in peak hold circuit and the loss of track count due to defect is counted in bottom hold circuit. Mirror output beyond 2KHz is. ÒLÓ at track on disc, ÒHÓ at interval between track on disc, ÒHÓ when the defect beyond 1.4ms is detected. The time constant for the mirror hold must be sufficiently large than of the traverse signal The EFM compara

• Samsung MAX-810, 3 CD CHANGER MINI MINI COMPONENT MAX-810/818 SERVICE Manual 3CD CHANGER MINI COMPONENT CONTENTS 1. Precautions 2. Specifications 3. Disassembly and Reassembly 4. Alignment and Adjustments 5. Special Circuit Descriptions 6. Troubleshooting 7. Exploded Views and Parts List 8. Electrical Parts List 9. Block Diagrams 10. PCB Diagrams 11. Wiring Diagram 12. Schematic Diagrams

• Samsung MAX-810, AH94-30025M ASSY-PCB,AUTO;G3A8-3VI/C,NEW SC1 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5P,TP, SC11 2401-000240 C-AL;100UF,20%,10V,GP,TP,6X11MM,5MM SC2 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5P,TP, SC3 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5P,TP, SC4 2202-000797 C-CERAMIC,MLC-AXIAL;10NF,30%,16V,Y5P,TP, SC5 2201-000163 C-CERAMIC,DISC;10nF,+80-20%,50V,Y5V,TP,6 SC6 2201-000163 C-CERAMIC,DISC;10nF,+80-20%,50V,Y5V,TP,6 SC7 2201-000163 C-CERAMIC,DISC;10nF,+80-20%,50V,Y5V,TP,6 SC8 2401-000795 C-AL;220UF,20%,16V,GP,-,8X11.5,3.5M SC9 2401-000795 C-AL;220UF,20%,16V,GP,-,8X11.5,3.5M SIC

• Samsung MAX-810, IC5 2201-000260 C-CERAMIC,DISC;180PF,10%,50V,SL,4*4,2.5, IC6 2202-000781 C-CERAMIC,MLC-AXIAL;100PF,10%,50V,Y5P,TP IC7 2202-000807 C-CERAMIC,MLC-AXIAL;22NF,+80-20%,25V,Y5V IC8 2202-000807 C-CERAMIC,MLC-AXIAL;22NF,+80-20%,25V,Y5V IC9 2202-000854 C-CERAMIC,MLC-AXIAL;47NF,30%,50V,Y5R,TP, ID1 0401-000101 DIODE-SWITCHING;1N4148,100V,200MA,500MW, ID2 0401-000101 DIODE-SWITCHING;1N4148,100V,200MA,500MW, IQ1 0501-000294 TR-SMALL SIGNAL;KSA708-Y,PNP,800MW,TO-92 IR1 2001-000331 R-CARBON;12KOHM,5%,1/8W,AA,TP,1.8X3.2MM IR10 2001-000660 R

• Samsung MAX-810, Samsung Electronics 9-5 Block Diagrams L-N1 L-N2 L-N3 L-N4 R-N1 R-N2 R-N3 R-N4 11 12 13 14 10 9 8 7 100K 100K 100K 100K 100K 100K 100K 100K G G 0/30dB 2dB STEP INPUT MULTIPLEXER GAIN MUXOUTL 15 16 27 26 25 23 24 TREBLE(L) MOUT(L) BN(L) BOUT(L) UN(L) RR MUXOUTR TREBLE(R) MOUT(R) BN(R) BOUT(R) CREF UN(R) RR 17 18 20 19 20 21 22 2 4 3 5 30 1 29 6 AGND R OUT L OUT DIGGND SDA SCL SPKR ATT LEFT I CBUS DECDER + LATCHES 2 VOLUME TREBLE MIDDLE BASS SPKR ATT RIGHT Verf V3 VOLUME TREBLE MIDDLE BASS 32 1 31 2 30 3 29 4 28 5 27 6 26 7 25 8 24 9 23 10 22 11 21 12 20 13 19 14 18 15 17 16 C L K L P F A / D L O G I C SFB SW MODE SEL SU EC SU EC MODE SEL PHASE SEL V O L 16kSRAM L P F D / A 6

• Samsung MAX-810, 9-4 µ-COM : UIC1 No. Port Name I/O Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 P5 2 MUTE P2 0 1 2 3 4 5 6 7 TEST RESET XT1 XT2 Vss CF1 CF2 Vdd P8 0 1 2 3 4 5 6 7 P7 0 1 2 3 S 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Vdvp Vp S 16 S 17 H-OUT MUTE CE21 POWER MUTE DO1 CLK1 DIO1 CE KEY1 KEY2 KEY3 MIC SE KEY4 SD EQ IN EQ IN PO SENS CD SENS SCOR REMO REC EMPHA G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 S1 S2 +5.6V -30V S3 S4 O O I O O O O O I O O I I O I I O I I I I I I I I I I I I I O O O O O O

• Samsung MAX-810, 6-2 Cassette Deck Block Main Function Check Point Check for voltage at pin5 1 P/B Deck : H 2 P/B DECK : L Check for voltage at JL3 Osc Frequency : 85kHz When inoperative : LQ3 check Convert of P/B & R/P Signal Oscillate RECORD BIAS (85kHz) Convert of PLAY/RECORD R/P Switching Check for voltage at pin no.16,8 TAPE IC JIC1 (KA22291) BIAS OSC Mode Rec. PLAY pin no. 16,8 12V 9V Samsung Electronics 6-5 Troubleshooting

• Samsung Electronics1-4 1-4 Special Precautions and Warning Labels for Laser Products (Continued) 1-4-1 Warnings 1. When servicing, do not approach the LASER exit with the eye too closely. In case it is necessary to confirm LASER beam emission, be sure to observe from a distance of more than 30 cm from the surface of the objective lens on the optical pick-up block. 2. Do not attempt t

• Samsung MAX-810, Samsung Electronics 5-1 5. Special Circuit Descriptions 5-1 RF Amp Block 5-1-1 RF Amplifier 5-1-2 Focus Error Amp PD1 PD2 VC RF- RFO RF SUMMINGAMP VC VC VB 10K 58K IV AMP VA 10K 58K IV AMP + - + - + - 65 66 73 74 32K 160K 4K 32K 164K 3K + - + - + - 63 59 FE1 VB> VA> SW1 FEBIAS FEBIAS sev-stopb VC fe-stopb fcmpo sev-stop X1 X2 X4 X8 X16 <5 Bit Counter> The two currents from input pins PD1 (A+C) and PD2 (B+D) are converted into voltages through I/V Amp, and they are added to RF summing Amp. The photo diode (A+B+C+D) signal which

• Samsung MAX-810, 3-3 Cabinet-Rear and Main PCB 1. Remove 7 screws % and then lift the Cabinet-Rear ^ and slide it to rear to remove (see arrow). 2. Remove the Main-PCB &. 1. Remove 3 screws *. 2. Remove the Cabinet-Rear by pushing the ÒAÓ and ÒBÓ as shown. 7 6 5 8 A B Figure 3-3 Figure 3-4 3-4 Cabinet-Front and Cabinet-Bottom Samsung Electronics 3-3 Disassembly and Reassembly

• Samsung MAX-810, Figure 3-5 3-4 Samsung Electronics Disassembly and Reassembly 3-5 CD Mecha 13 8 2 7 6 5 4 9 3 1 10 17 16 12 11 20 15 21 14 19 CD SUB PCB TRAY DISC ASS'Y TRAY STOPPER CD MAIN PCB HOOK BASE MAIN 18 Refer to the next page for timming point

• Samsung MAX-810, Remark -Refer to old Service Manual for the service.(common) -S pace Surround Speaker (SS-SPK) ⇒ Refer to next page SERVICE BULLETIN ProDuct : AUDIO MODEL : See below Buyer : See attachment Bulletin No. : 98-AUD-E0003 Bulletin Date : Aug 14.1998 ECN & data : Aug 13.1998 - Application Models : MAX-805,818,838,858(R),868,878,888,858P Background : Change to new speaker(SS-SPK) Cause : Change to model name Solution : Refer to old Service Manual for the service(See below table) Application Date : Running Change SUBJECT : Service Guide for model employed the new speaker NO 1 2 3 4 5 6 7 8 9 Old

• Samsung MAX-810, No. Port Port Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 - O I O I - O I O O O O - O O I I - O O - I I O O O I I I O O I O - I I I I I/O I/O AVDD1 DPDO DPFIN DPFOUT CNTVOL AVSS1 DATX XIN XOUT WDCHO LRCHO ADATAO DVSS1 BCKO C2PO VREFL2 VREFL1 AVDD2 RCHOUT LCHOUT AVSS2 VREFH1 VREFH2 EMPH LKFS S0S1 RESET /ESP SQCK SQDT SQOK SBCK SDAT DVDD1 MUTE MLT MDAT MCK DB8 DB7 Analog VCC1 Charge pump output for Digital PLL Filter input for Digital PLL Filter output for D

• Samsung MAX-810, Special Circuit Descriptions 5-2 Samsung Electronics 5-1-3 Tracking Error Amp 5-1-4 Focus OK Circuit The current signals from the side spot photo diode (E and F) are input to the E and F pin and converted into voltage signals by E I-V and F I-V AMP. The output of tracking error amp is due to the difference between E I-V AMP voltage output. The E-F balance can be adjusted by modifying the gain of E I-V AMP, and the tracking gain(Pin TE1) can be adjusted automatically by micom program. Extracting the DC part of RFI and RFO and comparing with the basic DC level, if RF Level is more than basic level, the FOK is output. The focus OK circuit generates a timing window of focus o

• Samsung MAX-810, Figure 3-2 Figure 3-2-1 3-2 Samsung Electronics 3-2 CD-Mecha, Door-CD Disassembly and Reassembly 2 TRAY 1 4 5 4 1. After power is connected : - Turn power on - Open the tray using the open/close key 2. After power is not connected : - Turn the Gear clockwise using the hand as shown in figure 3-2-1. - Pull the Tray in the direction of arrow @. 3. Remove 4 screws $,% and lift the CD-Mecha.

• 6-3 CD 6-3-1 Revolution Malfunction Yes Check Deck down Check CLOSE S/W voltage. CLOSE condition: 0V Check CLOSE MOTOR and CLOSE S/W. Does Roulette revolve ? Check Roulette Motor. Yes Is Roulette Control ok ? No Check Roulette Control Sensor Is Focus Search ok ? No Check oscillation of NXF100 (16.9344MHZ) Does Laser function during Focus Search ? Replace PICK

• Samsung MAX-810, Exploded Views and Parts List 1 3 4 5 6 7 8 9 10 20 30 31 33 34 21 22 23 24 25 26 27 28 29 11 12 13 14 15 16 16 17 18 19 No. Code No. Description Specification Remarks 1 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 33 34 AH59-20004E AH81-10001V AH81-10005U AH81-10005V AH81-10005W AH81-10005Z AH81-10006K AH81-10006B AH81-10006C AH81-10006E AH81-10006F AH81-10006G AH81-10006H AH81-10006J AH81-10006M AH81-10006N AH81-10006R AH81-10021T AH81-10022E AH81-10022H AH81-10022T AH81-10023J AH81-10023K AH81-10023L AH81-10023M AH81-10023N AH81-10023P AH81-10023Q AH81-10023R

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