Goodmans GPS160MPT, Service Manual

Page 1: ...Service Manual GPS160MPT GPS160MPT Service Manual GPS160MPT ...

Page 2: ... output at 600khz Tune P V C to 600KHz 7 Reapt step5 6and then step2 3 5 6until no further improvement can be made FM SECTION STEP ALIGNMENT FREQ TEST EQUIPMENT SIGNALIN SIGNALOUT ADJUST REMARK 1 IF 10 7MHz a AM IF Sweep gen b Alignment Oscilloscope c Power supply Let the FM and close to the gen antenna Take out the signal from U601 Pin 6 Adjust T601 into the fig a Band SW SW IN FM Position b Vol ...

Page 3: ...position b Set VOL control to make left channel output 50mW 3 98MHz Same as STEP 2 Inject the right Same as step 1 The left channel output in Min Reading on VTVM about 22dB Set VOL control to make right channel output 50mW 4 Reapt Step 2 3 4 until both channels are in approximate equal reading and no furthet improvement can be made and record this reading as channel sepration 5 98MHz Same as Step ...

Page 4: ...KHz 6 Signal to Noise Ratio 100dB 1000 KHz Urf 100dB AF 1000Hz MOD 30 Vol Control to Ref Output dB 35 30 Input IF 465 455 Signal at 600KHz Point Adjust High Frequency Signal to Let SP Output be MAX and Distortion Be MIN It is IF Manual KHz 465 455 5 7 IF Frequency 600 KHz PLL KHz 8 IF Rejection 600 KHz AF 1000Hz MOD 30 Input Freq 465 455KHz IF Adjust Freq dB 50 40 9 Image Rejection 1400 KHz AF 100...

Page 5: ...f for Ref Output Power 20 30 19 10 THD Output Power 100 dB 1000 KHz Urf 100dB AF 1000Hz MOD 80 mW 3000 2600 20 Overload Distortion 126 dB 1000 KHz Urf 126dB AF 1000Hz Volume Control to Ref Output 4 6 21 MAX Output Power 100 dB 1000 KHz Urf 100dB AF 1000Hz MOD 80 Vol MAX Measure Urf for Ref Output Power mW 3500 3200 22 Oscillation Drop Voltage 120 dB 600 1400 KHz Urf 100dB AF 1000Hz MOD 30 DC Suppl...

Page 6: ...5KHz 7 5KHz 75KHz 98MHz Pilot Measure MIN Urf for Switching dB 16 25 7 Channel Separation 98 MHz Input 1mv Urf MOD 67 5 7 5 75KHz 98MHz Pilot R 1KHz L 0 And R 0 L 1KHz Measure Output Level R L And L R dB 25 22 8 Signal to Noise Ratio 98 MHz Urf 1mV MOD 22 5KHz 98MHz Pilot Vol Control to Ref Output Measure S N N Measure With DC Supply dB 50 40 9 IF Frequency 90 MHz Input Urf 1mV 90MHz Scan to Lock ...

Page 7: ... 0 6 18 Frequency Response 98 MHz Urf 1mV Eq Centre BASS BOOST OFF Stereo LED OFF 125H z dB 4k 0 6 19 Distortion 98 MHz Urf 1mV MOD 22 5KHz AF 1KHz Volume Control Vol to Ref Output Measure Distortion 0 9 2 20 MAX Distortion 98 MHz Urf 1mV MOD 75KHz AF 1KHz Volume MAX Measure Output Power 20 30 21 10 THD Output Power 98 MHz Urf 1mV MOD 75KHz 1KHz Control Vol to10 THD Measure Output Power mW 3000 26...

Page 8: ...put dB 0 3 9 Minimum Volume Hum Noise Volume Control to MIN Rms P PV mV 1 5 3 15 10 Maximum Volume Hum Noise Volume Control to MAX Rms P PV mV 15 60 25 180 11 Maximum Volume Distortion MTT 112B MTT 112B Volume Control to MAX 20 28 12 Distortion MTT 118N MTT 118N Volume Control to Ref Output 1 3 13 10 THD Output Power SPK MTT 112B MTT 112B Adjust Volume Up Down to Measure 10 THD SP mW 3000 2600 14 ...

Page 9: ...Tape 5dB dB 22 Record MIC ALC 1 KHz Input Level In dB Ref Record MIC Sensitivity 30dB dB 125 Hz dB 23 Record MIC FREQ 6K3 1KHz MIC MAX Sens 66dB I P dB 24 Record MIC ALC Recovering Time 1KHz MIC MAX Sens 60 S VS 30dB 60 S VS MAX Sens 60 S MIC MAX Sens Set to dB Recover 90 of Output Time Sec Beat 0 KHz 25 AC Bias Oscillation Freq Beat 1 VTVM x10 Probe Measure the OSC Coil High END Side KHz Pos 0 Vr...

Page 10: ...0 MAX Distortion 1KHz 0dB Volume Control MAX EQ ON 20 28 MAX O P 1KHz 0dB Volume Control to MAX mW 3500 3200 10 THD O P 1KHz 0dB Adjust Volume Up Down to 10 THD O P mW 3000 2600 Nominal Distortion 1KHz 0dB Volume Control to Ref Out Up 0 2 2 Bass Boost ON 100Hz Volume Control to Ref Out Up dB 8 5 S N Ratio 1KHz L R Ref TCD 784 Track 7 dB dB 55 55 45 20 Hz dB 20 24 100 Hz dB 3 5 1 KHz dB 0 0 10 KHz ...

Page 11: ... VS MTT 112B dB 5 8 7 Record Playback Distor tion 1KHz 10dB Volume Control to Ref Output 6 10 100Hz dB 3 8 1KHz dB 0 0 8 Record Playback Frequency Response CD 784 10KHz TCD 784 Record Playback Volume Control to Ref Output Measure 0dB dB 10 20 TCD 784 Record Playback Volume Control to Ref Output VS No Signal AC Bias dB 9 Record Playback S N Ratio 1 KHz DC Bias dB 28 20 10 Fall Out Voltage 1KHz V BA...

Page 12: ...urement Conditions UNIT NOMINAL LIMIT 1 Distance right angle Remote Handset Meter 7 7 Meter 5 4 2 Distance angle 45 Degree 3 Min supply voltage DC Supply Voltage Change DC Voltage V 2 2 2 2 4 Stand by current all keys off uA 10 10 ...

Page 13: ...3 00 ELECT CAP C627 638 640 BCM125AT AF S01 012 A2287 00 1 00 ELECT CAP C624 BCM125AT AF S01 012 A3357 00 2 00 ELECT CAP C607 610 BCM125AT AF S01 012 A4747 00 1 00 ELECT CAP C613 BCM125AT AF S01 013 A1026 00 1 00 MYLAR CAP 0C608 BCM125AT AF S01 021 200 1 00 DIODE ZENER ZD601 BCM125AT AF S01 023 10 7MA5 1 00 CERAMIC FILTCF602 BCM125AT AF S01 023 455B 1 00 CERAMIC FILTCF601 BCM125AT AF S01 025 010K3...

Page 14: ...0 S01 081 PA 23TAP 1 00 Screw P2x3A 1 REC PLATE BCM125AT B230 S01 081 PA 26 2 00 Screw P2x6A 2 CASS DOOR BCM125AT B230 S01 081 PA 28 4 00 Screw P2x8A 4 CASS DOOR BCM125AT B230 S01 081 PA 310 21 00 Screw P3x10A4 TOP CAB FRONT CAB9 RADIO PCB VOL P BCM125AT B230 S01 081 PA 312 2 00 Screw P3x12A2 BOTTOM CABINET TOP CABINET BCM125AT B230 S01 081 PA 314 4 00 Screw P3x14A4 BOTTOM CABINET TOP CABINET BCM1...

Page 15: ...PCB CN11 BCM125AT KEY 01 036 00CD3 UL 1 00 8 PIN WIRE 21 KEY PCB CON16 TAPE PCB CN402 BCM125AT KEY 01 036 05SR P2 1 00 Connector 5 CON3 BCM125AT KEY 01 036 8686 UL0 1 00 6 Pin Wire 11 KEY PCB CON2 MPE GPCB CN2 BCM125AT KEY 01 036 CD169 UL 2 00 3 PIN WIRE 11 KEY BOARD CON4 POWER BOARD CN3 1 K BCM125AT KEY 01 036 CD210 UL 1 00 4 PIN WIRE 21 KEY PCB CON15 RADIO PCB CON603 BCM125AT KEY 01 036 CD210 UL...

Page 16: ... SQ6 7 8 9 BCM125AT MPEG A01 003 08550 N1 2 00 TRANSISTOR 8Q2 10 BCM125AT MPEG A01 004 2 00470 1 00 CHOCK COIL 4L2 BCM125AT MPEG A01 010 CD192 01 1 00 HEATSINK B 1 FOR IC7 AT6392 IC BCM125AT MPEG A01 012 A1057 00 2 00 ELECT CAP C5 8 BCM125AT MPEG A01 012 A1067 00 9 00 ELECT CAP C55 67 TC2 3 4 5 6 12 64 BCM125AT MPEG A01 012 A1077 00 13 00 ELECT CAP C43 52 56 59 62 TC1 9 10 11 13 14 15 BCM125AT MPE...

Page 17: ...BCM125AT MPEG A02 005 O331B 02 1 00 CHIP RESISTOR23 BCM125AT MPEG A02 005 O332B 02 2 00 CHIP RESISTOR33 25 BCM125AT MPEG A02 005 O333B 02 2 00 CHIP RESISTOR1 32 BCM125AT MPEG A02 005 O334B 02 1 00 CHIP RESISTOR75 BCM125AT MPEG A02 005 O472B 02 7 00 CHIP RESISTOR5 6 17 52 53 30 68 BCM125AT MPEG A02 005 O473B 02 1 00 CHIP RESISTOR65 BCM125AT MPEG A02 005 O474B 02 1 00 CHIP RESISTOR44 BCM125AT MPEG A...

Page 18: ...0 Eyelet 1 7x4mm BCM125AT PW S03 080 305 1 00 Nut M3x0 5 FOR Q5 D882 BCM125AT PW S03 081 BM 38 1 00 Screw B3x8M FOR Q5 D882 BCM125AT PW S03 081 PT 36 1 00 Screw P3x6T 1 FOR Q6 D882 BCM125AT PW S03 010 CD60 04 1 00 Heatsink FOR1 FOR Q6 D882 BCM125AT PW S03 036 BBM209 U 1 00 3 PIN WIRE 11 POWER PCB CN12 MPEG PCB CN5 BCM125AT PW S03 010 BCX125A 1 00 HEATSINK BCX1 FOR IC2 D8227 PW S04 BCM125AT PW S04 ...

Page 19: ...ESISTOR408 409 BCM125AT REC S02 016 O2036 00 1 00 CHIP CAPACITC418 BCM125AT REC S02 001 CD157 0M 1 00 P C B CD157 RECORDING STEREO S SIDE BO REMOTE 01 BCM125AT REMOTE 01 005 C100B 02 1 00 RESISTOR 10 R1 BCM125AT REMOTE 01 005 C182B 01 1 00 RESISTOR 1 811 BATT B BATT C BCM125AT REMOTE 01 011 A1048 01 1 00 CERAMIC CAP C2 BCM125AT REMOTE 01 011 A2018 02 2 00 CERAMIC CAP C3 4 BCM125AT REMOTE 01 012 C4...

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Page 23: ...AGND AVCC AGND VGND AVCC GND VCC GND R10 1K R17 4 7K U8B MP3 B 74ACU04 3 4 CN3 CON6 1 2 3 4 5 6 R7 1K R12 1K C12 33P 22P TC2 10U R11 100K C8 10U C4 10P Q2 8550 3 1 2 R9 1K U8C MP3 C 74ACU04 5 6 C13 33P 22P R5 4 7K R8 100K C6 680P U8A MP3 A 74ACU04 1 2 XT1 27MHz IC1 CA713 1 2 3 4 5 6 7 8 9 10 11 12 13 14 LRCK DATA BCK NC CAP ROUT GND VCC LOUT NC NC DM FOR SCKI R6 4 7K Q3 8050 Q4 8050 C5 10U C7 680P...

Page 24: ...28 0 Q5 9014 2 1 3 R125 10K R18 1K C11 0 068U TC3 10U BC3 0 1U TC5 10U C10 500P R22 10K BC6 0 1U R14 10K R24 OPEN R126 10K BC2 0 1U U2 SPCA718 128 38 37 36 39 43 41 42 40 44 48 47 45 49 50 51 55 54 53 52 56 57 58 59 81 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 30 32 34 35 7 8 9 10 11 3 4 5 6 105 106 98 108 100 110 111 112 113 114...

Page 25: ...8 79 80 MIRR COUT DVSS0 WDCK C4M SCOR C2PO GFS XPCK XUGF WFCK ATSK SCLK SENS CLOK XLAT DATA MUTE XRST DVDD0 TE SE FE VC TES1 TEST DVSS1 FRDR FFDR TRDR TFDR SRDR SFDR DVDD1 FSTO SSTP MDP LOCK PWMI FOK DFCT CE RFDC ADIO AVSS0 IGEN AVDD0 ASYO ASYI RFAC AVSS1 CLTV FILO FILI PCO AVDD1 BIAS VCTL V16M VPCO DVDD2 ASYE MD2 DOUT LRCK PCMD BCK EMPH XTSL DVSS2 XTAI XTAO SOUT SOCK XOLT SQSO SQCK SCSY SBSO EXCK...

Page 26: ...GND VCC GND GND VCC VCC GND VCC VCC R53 4 7K U5 AM27C020 12 11 10 9 8 7 6 5 27 26 23 25 4 28 29 3 2 30 31 1 13 14 15 17 18 19 20 21 32 16 22 24 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 D0 D1 D2 D3 D4 D5 D6 D7 VCC GND CE OE BC10 0 1U TC7 47U U3 1Mx16 S1120D 2 3 5 6 8 9 11 12 39 40 42 43 45 46 48 49 32 31 30 29 28 27 24 23 22 21 20 14 15 16 17 18 19 36 35 34 7 13 38 44 1...

Page 27: ...FEI RFG BST B D EQ_IN VFC GND RFAC DC_OFFSET CE CEI VC C57 0 1uF C9 0 1uF R129 10K C63 0 1uF R67 22K R66 2 7K C52 100uF 5V R88 15K R75 330K C70 220U R91 150K C53 0 1uF R83 1K R25 3 3K C55 220uF 5V R81 1K R92 4 7 C71 0 1U C59 100uF 5V R76 5 1K C56 100uF 5V C69 0 1U CN8 GREEN 2mm 1 2 3 4 5 6 C58 0 1uF CN7 CON2 1 2 C54 0 1uF L3 10UH R89 15K R90 100K R74 22K L1 10uH CN6 CON16 2mm 1 2 3 4 5 6 7 8 9 10 ...

Page 28: ... AGND VCC VCC VCC VCC GND AGND VDD_SR R61 0 Q8 8050 TC15 100U C50 1U R55 120 TC14 100U TC12 10U TC9 100U R60 2R2 C47 470uF 10V R82 0 TC11 100U TC10 100U BC14 0 1U BC15 0 1U TC16 100U TC13 100U R54 33 CN5 CON4 1 2 3 4 BC13 0 1U Q9 8050 R62 10 R56 10 R57 10 BC16 0 1U R58 22 R59 22 D3 3 9V 1 2 TC15 100U Q9 8050 R62 10 TC15 100U Q9 8050 R62 10 220U 16V 882 100 220U 16V 5 6V ...

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