Pioneer FH-MG6406ZH Q1 Service Manual Download Page 3 | Manualshive

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FH-MG6406ZH

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely; you should not risk trying to do so and
refer the repair to a qualified service technician.

1. SAFETY INFORMATION

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Summary of Contents for FH-MG6406ZH Q1

Page 1: ...CD Mech Module Circuit Description Mech Description Disassembly CONTENTS 1 SAFETY INFORMATION 3 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 12 4 PCB CONNECTION DIAGRAM 32 5 ELECTRICAL PARTS LIST 53 6 ADJUSTMENT 62 7 GENERAL INFORMATION 68 7 1 DIAGNOSIS 68 7 1 1 TEST MODE 68 7 1 2 DISASSEMBLY 72 7 1 3 PCB LOCATIONS 76 7 1 4 CONNECTOR FUNCTION DESCRIPTION77 7 2 PARTS 78 7...

Page 2: ...lugged 3 Please checking the grating after changing the ser vice pickup unit see page 64 When the Repair is Complete When the repair is complete make the CD mechanism ready for transportation implementing the following procedures 1 Press the changer side 1 and 4 simultaneously to turn the ACC on 2 As the ACC is turned on the disc indicator blinks in red 3 When the blinking is stopped the mechanism...

Page 3: ...en trained to properly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician 1 SAFETY INFO...

Page 4: ...4 FH MG6406ZH 2 EXPLODED VIEWS AND PARTS LIST 2 1 EXTERIOR ...

Page 5: ...ransistor Q821 831 956 957 2SB942A 33 Keyboard Unit HWM7728 34 LCD LCD901 CAW1597 35 Socket CN901 CKS3553 36 Rubber HNV5882 37 Connector CNV6570 38 Plate HAH1677 39 Holder HNC8241 40 Plate HNM6175 41 Cushion HNM6623 42 Lighting Conductor HNV5719 43 Holder HNV5722 44 Knob Unit HXB5640 45 Screw IMS30P050FMC 46 Screw ISS26P055FUC 47 Screw BMZ26P030FMC 48 49 Screw M2x2 CBA1250 50 Spring CBH2361 51 Spr...

Page 6: ...6 FH MG6406ZH 2 2 CD MECHANISM ...

Page 7: ...3159 48 Roller CLA3160 49 Shaft CLA3179 50 Spacer CLA3194 51 Roller CLA3248 52 Bush CLA3353 53 Shaft CLA3469 54 Shaft CLA3693 55 Steer CNC7215 56 Steer CNC7216 57 Cam CNC8774 58 Holder CNC7235 59 Gear CNC7236 60 Gear CNC9512 61 Lever CNC7243 62 Lever CNC7244 63 Lever CNC7245 64 Lever Unit CXB4944 65 Cover CNC8585 66 Holder Unit CXB4946 67 Lever CNC9088 68 Gear CNC8140 69 Sheet CNM6840 70 PCB CNP56...

Page 8: ...Spring CBH2269 150 Sheet CNM7109 151 Cam Motor Assy CXB5240 152 153 Bracket Unit CXB5201 154 Motor Unit M1 Cam Gear CXB3174 155 Motor Unit M3 ELV CXB3175 156 Screw JFZ20P025FMC 157 Loading Arm L Assy CXB6779 158 Load Arm L Assy Service CXX1459 159 Screw CBA1453 160 Washer CBF1038 161 Load Arm R Assy Service CXX1460 162 Washer CBF1074 163 Spring CBH2136 164 Arm CNC7241 165 Arm CXB6695 166 Holder CB...

Page 9: ...9 FH MG6406ZH ...

Page 10: ...10 FH MG6406ZH 2 4 CASSETTE MECHANISM MODULE ...

Page 11: ...ywheel ENV1554 33 Gathering PCB ENX1068 34 Switch S1 S2 S3 ESG1007 35 Deck Unit EWM1031 36 Plug CN251 CKS3540 37 Gathering PCB ENX1066 38 Motor Unit M1 EXA1491 39 Motor EXM1028 40 Head Assy HD1 EXA1594 41 Arm ENC1537 42 Screw JGZ20P025FNI 43 Bracket ENC1545 44 Chassis Unit EXA1609 45 Pinch Holder Unit EXA1608 46 Pinch Roller ENV1518 47 Pinch Holder Unit EXA1607 48 Pinch Roller ENV1518 49 Reel Unit...

Page 12: ... MUTE Q702 Q703 BU X701 VDD VCC Q407 VDD VDD VCC FM B Q408 Q409 Q402 Q404 Q403 Q401 Q410 FM AM TUNER UNIT TUNER AMP ASSY 25 26 FM FRONT END Q3 Q201 Q202 AM RF FM AM 1ST IF 10 7MHz T31 Q31 CF51 9 10 32 36 14 19 2 47 1 19 17 15 6 18 9 7 30 28 27 40 43 31 38 34 6 41 23 25 16 18 CF232 CF52 CF53 T51 FM OSC AM OSC FMTV AMTV AMIFC VCO MONO SEEK IC 401 LC72146MQ FMSL AMSL FMSD TUL Q405 Q406 9 11 6 13 19 1...

Page 13: ...01 PD5659A IC 701 CONTROLLER SYSTEM PE5180A IC 601 bsen MATRIX KEY CN931 ELECTRONIC VOLUME SOURCE SELECTOR CN601 CN901 KEYBOARD UNIT VDIN SL SD VDN VUP TDN TUP SVDD BL ILM B BU SWD B SWB IC 841 TPD1018F 6 1 SWB BU 5 AMPPW 49 cdej tpej swdvdd adpw syspw asen bsen mute ANT B C KEY CONTROLLER LCD DRIVER DRSW IC 851 TPD1018F 6 1 BSWB 5 EQPOW 55 BOSE EQ POWER AMP CD CONTROLLER FL RL FL RL 17 19 7 9 Q28...

Page 14: ...D 2 0dBs 1kHz 0dB IL901 909 CEL1602 8V 60mA IL910 911 CEL1603 8V 60mA 6 290MHz 6 290MHz 4 5MHz ANT401 A TUNER AMP ASSY C KEYBOARD UNIT G CD CORE UNIT STS UNIT N DECK UNIT B FM AM TUNER UNIT 14 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 A A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page 3 2 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EX...

Page 15: ... E VOL ONIC VOLUME TAPE 14 0dBs FM 4 0dBs AM 4 0dBs CD 18 0dBs GA NET RESET Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors AMP FRONT TAPE 11 0dBs ...

Page 16: ...TROLLER PLL SUB E V ELECTRONIC VOLU N251 TAPE 8 0dBs FM 31 0dBs AM 31 0dBs CD 4 0dBs FM 26 0dBs AM 26 0dBs 400Hz 22 5kHz dev 400Hz 30 mod TAPE 6 0dBs 315Hz 250nwb CD 2 0dBs 1kH 0dB 6 290MHz 4 5MHz ANT401 A TUNER AMP ASSY N DECK UNIT B FM AM TUNER UNIT A a A b A a 1 2 3 ...

Page 17: ...1 CN701 CN601 CN901 SYSTEM CONTROLLER IC601 PE5180A CD CONTROLLER IC701 PD5659A CDMUTE 8V for CD CN701 CN251 CD 2 0dBs 1kHz 0dB IL901 909 CEL1602 8V 60mA IL910 911 CEL1603 8V 60mA 6 290MHz C KEYBOARD UNIT G CD CORE UNIT STS UNIT A a A b A a C 4 ...

Page 18: ...18 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 CN932 CN351 ER 5V for B up 8V for AUDIO NAVI VOICE ISOLATOR NAVI VOICE SW ISOLATOR SUB E VOL NIC VOLUME GA NET RESET AMP A a A b A b 1 2 3 ...

Page 19: ...s CD 18 0dBs Decimal points for resistor and capacitor fixed values are expressed as 2 2 2R2 0 022 R022 Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors FRONT TAPE 11 0dBs FM 1 0dBs AM 1 0dBs CD 15 0dBs REAR 600µH A a A b A b C 4 ...

Page 20: ... 1 2 3 4 B C D 1 2 3 4 FM AM FM FM FM FM FM FM AM AM AM AM AM FM AM FM AM FM AM FM AM FM AM FM AM AM FM FM AM FM FM AM AM AM AM AM RF FM FRONT END FM OSC AM OSC PA4023B A 3 3 FM AM TUNER UNIT B FM AM TUNER UNIT B CN401 ...

Page 21: ...21 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 FM M FM FM FM FM FM AM AM FM AM FM AM PNS FM IF B ...

Page 22: ... 4 B C D 1 2 3 4 PU UNIT SERVICE M5 SPINDLE CXM1120 DISC INSERT DETECT M4 CARRIAGE CXB3178 2 5V RF AMP AUTO POWER CONTROL CD DRIVER D E MOTOR PCB B CD CORE UNIT SERVO UNIT 3 4 CD CORE UNIT SERVO UNIT D E PICKUP UNIT SERVICE ...

Page 23: ...23 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 16 934MHz 22 6R3 FOCUS TRACKING CARRIAGE SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D A CONVERTER F D ...

Page 24: ... 4 M1 CXB3174 Q1 RPI 221 M3 CXB3175 SURE TRACK MEMORY CONTRO 5V REGULATOR 7 5V 9 0V MOTOR DRIVER G F D H LOAD SWITCH DOOR SWITCH MODE SWITCH CD CORE UNIT STS UNIT CD CORE UNIT SERVO UNIT MOTOR PCB A ELV SENSE 3 5 CD CORE UNIT STS UNIT F G ...

Page 25: ...25 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 22 6R3 TRACK RY CONTROLLER RIVER MOTOR DRIVER 4M DRAM D A CONVERTER A CN101 G CN701 ...

Page 26: ... 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Test mode 32 tracks jump FWD 0 5ms div 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Test mode Single jump FWD 0 5ms div 6 CH1 FEY 0 1V div 3 CH2 FIN 0 2V div Normal mode Play 20ms div 3 CH1 FIN 0 5V div 0 CH2 SIN 1V div Normal mode Focus close 0 5s div GND GND GND GND Waveforms 0 SIN 0 5V div 0 1s div Normal mode Play REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT...

Page 27: ...n 2ms div 6 CH1 FEY 0 2V div 3 CH2 FIN 0 5V div Normal mode During AGC 1ms div EFM 1V div 2µs div Play 0 2s div Dout 2V div 5µs div Play LRCK 2V div 10µs div ADRMON 1V div 1s div Normal mode Starting play GND REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT REFOUT 1 CH1 RFO 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 500µs div REFOUT RE...

Page 28: ...5V div Test mode 100 tracks jump FWD 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Normal mode Play 10ms div 5ms div REFOUT REFOUT SCKO 2V div 500ns div Play REFOUT CH1 RCH 2V div CH2 LCH 2V div Normal mode PLAY 0dB 1kHz 200µs div AAGND AAGND REFOUT REFOUT ...

Page 29: ...ZH 1 2 3 4 A B C D 1 2 3 4 H I J L M K CXB3177 G CN802 MAX DETECT SWITCH PCB UNIT A PCB UNIT C PCB UNIT E PCB UNIT B PCB UNIT D LOAD MOTOR PCB CPT231SCTD CPT231SCTD 3 6 PCB UNIT A B C D E LOAD MOTOR PCB M J I H K L ...

Page 30: ... EXA1594 TEST TAPE NCT 150 400Hz 200nWb m RL RR FR FL C302 R1 VR302 33K B 8 24dBs 300mV 1dB Fwd R Fwd L Rev R Rev L NFI L RIN L RIP FIN L GND GND FIN R VREF RIN R NFI R M OUT R EQOUT R TAI R BIAS RAI R PBOUT R DET L MUTE MSGV R MAOUT MSI MSDET MSGV F R 120 70 NR MOUT L EQOUT L TAI L NC RAI L PBOUT L NC DET L MSGV S CN252 CN251 DOLBY B NR IC251 VR301 33K B C310 R1 C309 R1 R321 0R0 VCC CCP1280 CCP12...

Page 31: ...5 270K C352 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1491 S1 LOAD ESG1007x3 S2 MODE REEL SENSE EGN1 EGN1004 M2 MOTOR UNIT SUB MOTOR EXA1623 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A 0R0 R375 0R0 S3 70µs 100K 0R0 R40...

Page 32: ...tor Connector P C Board Chip Part SIDE A SIDE B NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams TUNER AMP ASSY A ...

Page 33: ...C CN901 N CN251 G CN701 33 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 A SIDE A FRONT ...

Page 34: ...34 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 ...

Page 35: ...35 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 A SIDE B ...

Page 36: ...36 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 L52 T31 L2 L5 L4 4 2 FM AM TUNER UNIT SIDE A B FM AM TUNER UNIT A B CN401 ...

Page 37: ...37 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 B FM AM TUNER UNIT SIDE B B ...

Page 38: ...CD EJECT LOAD MODE TAPE EJECT AM FM CD TAPE POWER SEEK SEEK 6 5 4 3 2 1 RPT RDM 38 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 4 3 KEYBOARD UNIT C SIDE A KEYBOARD UNIT C ...

Page 39: ...A CN601 39 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 C SIDE B KEYBOARD UNIT C ...

Page 40: ...40 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 4 4 CD CORE UNIT SERVO UNIT E F REFOUT CD CORE UNIT SERVO UNIT D E F SIDE A D PICKUP UNIT SERVICE IC Q ...

Page 41: ...41 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT SERVO UNIT D SIDE B D IC Q ...

Page 42: ...42 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 LOAD DOOR MODE 4 5 CD CORE UNIT STS UNIT CD CORE UNIT STS UNIT G H F A CN701 SIDE A G IC Q ...

Page 43: ...43 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 CD CORE UNIT STS UNIT G SIDE B G ...

Page 44: ...44 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 4 6 MOTOR PCB A Q1 ELV SENSE M M1 CAM GEAR M M3 ELV 1 30 D CN201 1 40 G CN801 MOTOR PCB A F F ...

Page 45: ...45 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 4 7 PCB UNIT E PCB UNIT E I SIDE A SIDE B I PCB UNIT E I ...

Page 46: ...46 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 4 8 MOTOR PCB B SPINDLE MOTOR M5 MOTOR PCB B E E ...

Page 47: ...47 FH MG6406ZH 5 6 7 8 A B C D 5 6 7 8 M M4 CARRIAGE 1 12 D CN301 E ...

Page 48: ...48 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 S887 CLAMP 1 1 7 S886 ELV HOME G CN802 I 11 4 9 PCB UNIT B PCB UNIT B H 4 10 PCB UNIT D PCB UNIT D M M H ...

Page 49: ...49 FH MG6406ZH 1 2 3 4 A B C D 1 2 3 4 4 1 D883 S885 MAX DETECT Q881 I 4 11 PCB UNIT C PCB UNIT C J J ...

Page 50: ...50 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 M M2 LOAD 1 1 4 2 I M 4 12 LOAD MOTOR PCB 4 13 PCB UNIT A D891 D892 1 2 I LOAD MOTOR PCB K PCB UNIT A L I M K L ...

Page 51: ... 2 3 4 N 4 14 DECK UNIT DECK UNIT N C321 C271 19 17 15 13 11 9 7 5 3 1 16 14 12 10 8 6 4 2 20 18 CN251 IC Q IC251 Q351 Q352 ADJ VR302 VR301 IC253 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY CN256 21 22 DECK UNIT N SIDE A SIDE B A CN111 O ...

Page 52: ...52 FH MG6406ZH A 1 2 3 4 B C D 1 2 3 4 O 4 15 REEL SENSE PCB 1 2 3 4 5 6 S1 LOAD S2 MODE S3 70µs CN256 EGN1 REEL SENSE REEL SENSE PCB O N CN253 ...

Page 53: ... 931 Transistor 2SC2713 Q 951 Transistor 2SA1163 Q 952 Transistor 2SC2713 Q 956 Transistor 2SB942A Q 957 Transistor 2SB942A Q 958 Transistor 2SC2713 Q 959 Transistor 2SC2713 Q 960 Transistor 2SB1243 Q 961 Transistor 2SC4081 Q 962 Transistor 2SB1242 Q 963 Transistor DTC114EU D 281 Diode UDZS9R1 B D 351 Diode UDZ4R7 B D 401 Diode DAN202U D 402 Diode MA8027 H D 403 Diode DAN202U D 651 Diode 1SS355 D ...

Page 54: ... 10S432J R 253 RS1 10S272J R 254 RS1 10S272J R 271 RS1 10S153J R 281 RS1 10S221J R 282 RS1 10S103J R 283 RS1 10S153J R 284 RS1 10S103J R 285 RS1 10S472J R 286 RS1 10S182J R 287 RS1 10S472J R 303 RS1 10S103J R 304 RS1 10S103J R 305 RS1 10S393J R 306 RS1 10S393J R 311 RS1 10S682J R 312 RS1 10S682J R 313 RS1 10S113J R 314 RS1 10S912J R 315 RS1 10S153J R 316 RS1 10S333J R 317 RS1 10S333J R 331 RS1 10S...

Page 55: ... 716 RAB4C102J R 717 RAB4C102J R 718 RS1 10S471J R 719 RS1 10S102J R 720 RS1 10S471J R 721 RS1 10S471J R 722 RS1 10S102J R 723 RAB4C471J R 724 RAB4C471J R 725 RS1 10S471J R 726 RS1 10S0R0J R 727 RS1 10S912J R 728 RS1 10S102J R 729 RAB4C222J R 730 RS1 10S183J R 731 RS1 10S103J R 732 RS1 10S104J R 733 RS1 10S104J R 734 RS1 10S104J R 735 RS1 10S103J R 736 RS1 10S103J R 737 RS1 10S331J R 738 RS1 10S33...

Page 56: ...C 213 CEJANP220M10 C 214 CEJANP220M10 C 215 CEJANP4R7M16 C 216 CEJANP4R7M16 C 217 CEJA330M16 C 218 CEJA330M16 C 221 CEJA470M10 C 222 CKSRYB104K16 C 223 CEJA1R0M50 C 224 CEJA4R7M35 C 225 CKSRYB472K50 C 226 CEJA2R2M50 C 241 CEJA330M16 C 242 CEJA330M16 C 243 CKSRYB474K10 C 244 CKSRYB474K10 C 245 CKSRYB474K10 C 246 CKSRYB474K10 C 247 CKSRYB474K10 C 248 CKSRYB474K10 C 249 CKSRYB474K10 C 250 CKSRYB474K1...

Page 57: ... CEL1602 IL 905 Lamp 8V 60mA CEL1602 IL 906 Lamp 8V 60mA CEL1602 IL 907 Lamp 8V 60mA CEL1602 IL 908 Lamp 8V 60mA CEL1602 IL 909 Lamp 8V 60mA CEL1602 IL 910 Lamp 8V 60mA CEL1603 IL 911 Lamp 8V 60mA CEL1603 LCD 901 LCD CAW1597 RESISTORS R 902 RS1 10S103J R 903 RS1 10S683J R 904 RS1 10S102J R 905 RS1 10S102J R 906 RS1 10S102J R 907 RS1 10S102J R 908 RS1 10S102J R 914 RS1 10S103J R 915 RS1 10S103J R 9...

Page 58: ...20 CKSQYB334K16 C 121 CKSQYB334K16 C 122 CKSQYB104K16 C 123 CKSRYB472K50 C 124 CKSQYB104K16 C 125 CCSRCH5R0C50 C 126 CKSRYB153K25 C 127 CKSRYB102K50 C 201 CKSQYB334K16 C 202 CKSQYB104K16 C 203 CKSQYB104K16 C 204 CKSRYB471K50 C 207 CKSQYB683K16 C 208 CKSRYB821K50 C 209 CKSRYB273K25 C 210 CKSQYB334K16 C 211 CKSQYB334K16 C 212 CKSQYB334K16 C 213 22µF 6 3V CCH1300 C 301 CEV101M10 C 302 CEV101M10 Unit ...

Page 59: ...C 2 IC PA4024A Q 1 Chip Transistor 2SC2712 Q 2 Transistor DTC124EU Q 3 FET 3SK263 Q 31 Chip Transistor 2SC2712 Q 151 Transistor DTC124EU Q 201 Transistor FC12 D 3 Diode 1SV251 D 4 Diode 1SV250 D 5 Diode KV1410 F1 D 6 Diode MA157 D 7 Diode KV1410 F1 D 8 Diode KV1410 F1 D 201 Diode MA157 D 202 Diode 1SV251 D 231 Diode SVC253 L 1 Inductor LCTBR12K2125 L 2 Coil CTC1145 L 3 Inductor LCTB4R7K2125 L 4 Co...

Page 60: ...CH7R0D50 C 16 CCSRCH120J50 C 17 CKSRYB222K50 C 18 CKSRYB103K25 C 19 CKSRYB222K50 C 20 CKSRYB222K50 C 21 CEAL100M16 C 22 CCSRRH100D50 C 23 CCSRRH120J50 C 24 CKSRYB103K25 C 30 CCSRRH201J50 C 31 CKSRYB103K25 C 32 CKSQYB473K16 C 33 CCSRCK2R0C50 C 35 CCSRCH270J50 C 36 CCSRCH120J50 C 40 CKSRYB222K50 C 41 CKSQYB104K16 C 51 CKSRYB223K25 C 52 CKSRYB103K25 C 54 CCSRCH470J50 C 55 CKSQYB223K25 C 56 CKSQYB104K...

Page 61: ... 291 RS1 8S0R0J R 292 RS1 10S0R0J R 293 RS1 10S0R0J R 294 RS1 10S0R0J R 321 RS1 8S0R0J R 322 RS1 8S0R0J R 351 RS1 16S102J R 352 RS1 16S102J R 353 RS1 16S102J R 354 RS1 16S102J R 355 RS1 16S274J R 362 RS1 8S301J R 373 RS1 16S0R0J R 374 RS1 8S0R0J R 375 RS1 8S0R0J R 401 RS1 16S153J R 402 RS1 16S332J R 403 RS1 16S911J R 404 RS1 16S274J CAPACITORS C 251 CKSRYB391K50 C 252 CKSRYB391K50 C 253 CKSRYB391K...

Page 62: ...he software become unavailable Thus you must make sure that undesirable electric or mechanical shocks are not be given to the system This model employs a photo transistor for detecting discs at their loading or ejection Thus if its outer case is removed during repair work and internal parts are exposed to light of strong intensity malfunctions including the following can result The eject button be...

Page 63: ...t value Initial value x 20 Single TR 4TR 10TR 32TR 100TR Single TR 3 Switching must take place in the following sequence It applies to the CRG Move and 100TR Jump alone Min Sec or Track No 5 Switching must take place in the following sequence F Cancel Display 6 Switching must take place in the following sequence T Offset Display T Bal Display Rough Servo F Bias value F Cancel value T Offset value ...

Page 64: ... to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjust ment the display should now read 81 Press key 3 4 times The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer to the photograp...

Page 65: ...65 FH MG6406ZH Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 66: ...scilloscope DC Regulated Power Supply Lch Lch Rch Rch 4Ω 4Ω 13 2v GND DC V Meter 3 Pin 1 Pin 14 Pin 13 Pin26 FM AM TUNER UNIT SIDE A DC V Meter 2 L5 L52 VR151 VR101 VR154 VR156 T31 L4 Pin 6 FMSD Pin 15 AMIFC Pin 27 Pin 28 Center Meter C63 L52 L2 FM AM TUNER UNIT SIDE B VR247 DC V Meter 1 Pin 19 FMTV VR302 mV Meter 2 VR301 L CH R CH Pin2 Pin3 CN251 DECK UNIT Extention Cord GGD1121 CN111 ...

Page 67: ...mV Meter 1 Maximum ARC 1 98 1 S 39 98 1 VR154 mV Meter 1 Separation 5dB Separation Interstation 1 98 1 M 65 98 1 mV Meter 1 AdB Noise 2 98 1 M 98 1 VR151 mV Meter 1 A 20dB Search 1 98 1 M 23 5 98 1 VR156 DC V Meter 2 Level H Sensitivity 2 98 1 M 22 5 98 1 VR156 DC V Meter 2 Level L 3 Repeat steps 1 and 2 until the adjustment standards are satisfied AM ADJUSTMENT FM SSG 400Hz 30 Displayed Adjustmen...

Page 68: ... a rule driving of the ELV MOTOR must be started immediately after the CAMSW indication has changed from 22 to 20 clamp CD or SOURCE MIN SEC 4 6 RESET RPT RPT RPT RPT RPT RPT RPT 6 EJECT DISC UP DISC Eject LOAD DISC Load Operating Procedures 1 2 3 Turn on the Mechanism Test Mode Select the motor to be driven using the 1 to 4 keys Press the SEEK SKIP or SEEK SKIP in this state to drive the selected...

Page 69: ...tric system Sound skipping Last address memory has been activated Due to scratches stains vibrations servo failure etc The error codes are displayed in the same manner as in the normal mode 3 Display of Operational Status During Setup Status No Contents Protective Action 01 Carriage returning to home position None 02 Carriage moving to inner perimeter 10 second time out failure on home switch 03 C...

Page 70: ...iage move trouble E0 Electricity Focus search error Unable to set a focus Scratches or stains on backside of the disc severe vibrations CD R is not written to the disc it can happen on the backside of the disc E0 Electricity Spindle lock error Spindle lock unavailable sub code unreadable Sub code error Failure on spindle scratches on the disc stains or strong vibrations E0 Electricity Mirror error...

Page 71: ...8 seconds have elapsed before completing the EJECT operation An error will be indicated if the disc is still caught by the photo transistor after 4 seconds of forced eject E1 HOME SW ON after forced EJECT HOME SW was still at ON position after 4 seconds of forced eject E1 Photo transistor being caught When forced eject was employed for the Bup failure during loading or after forced EJECT ejection ...

Page 72: ...ve screws B and then remove the Case Grille Assy Case A B Removing the CD Mechanism Module Fig 2 1 Remove the four screws A and PCB and then remove the CD Mechanism Module A CD Mechanism Module PCB Removing the Cassette Mechanism Module not shown 1 Remove the four screws and then remove the Cassette Mechanism Module Fig 1 Fig 2 B B B B A A A A A A ...

Page 73: ...lder 4 Remove the CD Mechanism from the Chassis Damper Holder A B C D E F CD Mechanism Chassis Fig 3 Holder Holder Holder Holder Holder Damper Damper Damper A A A B E E E Removing the Tuner Amp Assy Fig 4 1 Remove the four screws A 2 Remove the Heat Sink 3 Remove the five screws B 4 Remove the screw C 5 Straight the tabs at four locations indicated and then remove the Tuner Amp Assy Fig 4 B B B B ...

Page 74: ...assy See above 5 Rotate the Cam gear motor until the positions of all holes E match then stop the motor The Carriage Mech assy will stop as shown in the Fig 5 When the positions of all holes match they will be completely covered by the Carriage mech assy To rotate the Cam Gear motor see How to remove the Tray assy 6 Unhook the spring A 7 Remove the flexible holder B while opening the hooks 8 Remov...

Page 75: ...ckup unit together with the feed screw Be careful not to lose the shaft holders at the both ends of the feed screw Be careful not to damage the 2 flexible PCBs for the Pickup and motor when separating them The flexi ble PCBs have been stuck each other with double sided adhesive tape Clamper arm E shaped ring Pulling spring Torsion spring White Black Pickup unit Feed screw Belt Carriage motor Fig 7...

Page 76: ...TUNER AMP ASSY FM AM TUNER UNIT KEYBOARD UNIT MOTOR PCB B MOTOR PCB A PCB UNIT B CD CORE UNIT SERVO UNIT LOAD MOTOR PCB PCB UNIT D M PCB UNIT A PCB UNIT E PCB UNIT C DECK UNIT N REEL SENSE PCB B C E F H D K L I J O CD CORE UNIT STS UNIT G ...

Page 77: ...NCTION DESCRIPTION GND GND R L BUS BUS GND NC R L REM NC RR RL FR FL NAVI Lch NAVI MUTE SWD B ACC NAVI GND NAVI Rch RR RL FR FL ILL B GND LOUT L R OUT LIN SGND IN SHIELD GND NC ROUT SGND OUT RIN NC GND SWD B B SWD ACC B ILL ANTENNA NC ...

Page 78: ...tor control output 26 stby O C Cassette mechanism driver stand by control output 27 MSIN I Cassette mechanism MS sense input 28 mtlsw I Cassette mechanism metal tape detect input 29 LOADSW I Cassette mechanism loading detect input 30 POS I Cassette mechanism position sense input 31 RES I Cassette mechanism reverse end sense input 32 NES I Cassette mechanism forward end sense input 33 GND GND 34 VO...

Page 79: ...eset Reset 61 NC Not used 62 asen I ACC power sense input 63 bsen I Back up power sense input 64 cdej I CD eject key sense input 65 66 NC Not used 67 tpej I Tape eject sw input 68 VDD Power supply 69 X2 Crystal oscillating element connection pin 70 X1 Crystal oscillating element connection pin 71 GND GND 72 XT2 Not used 73 XT1 GND 74 AVDD A D converter analog power supply VDD 75 AVREF0 A D convert...

Page 80: ... output 28 XIN I Crystal oscillating element connection pin 29 XOUT O C Crystal oscillating element connection pin 30 VSS GND 31 38 NC Not used 39 TESTIN I Test program mode input 40 DRSW I Door close sense input 41 WDSL O C Data comparison designation output 42 XWIH I DRAM data white inhibit input 43 XEMP I DRAM data read inhibit input 44 CHDT I Data comparison mode monitor input 45 46 CHM0 1 O C...

Page 81: ...80 1 20 21 40 41 60 61 PD5659A Format Meaning C C MOS 11 20 1 10 M62421FP Pin Functions M62421FP Pin No Pin Name I O Function and Operation 1 REF Reference voltage 2 IN1 I Signal input 1 3 6 NC Not used 7 OUT1 O Signal output 1 8 DGND Digital GND 9 DAT I Control data input 10 CLK I Serial data clock input 11 CS I Chip select input 12 DVDD Digital power supply 13 AGND Analog GND 14 OUT2 O Signal ou...

Page 82: ...82 FH MG6406ZH 7 2 2 DISPLAY CAW1597 41 C 1 C 2 C 3 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 2 1 3 4 5 6 7 8 9 C 1 C 2 C 3 COMMON SEGMENT ...

Page 83: ...8pin YES bsens 63pin L asens 62pin L GAPW H 22pin swvdd L 54pin brst H 14pin YES Starts communication with GA NET Starts communication with G1 microcomputer Source Keys operative Source ON Power ON Completes power on operation After that proceed to each source operation ...

Page 84: ...84 FH MG6406ZH 7 3 2 SYSTEM BLOCK DIAGRAM FH MG6406ZH X1H Q1 BOSE EQ BOSE AMP B SW B WOOFER Signal L R L R Signal L R Signal L R ...

Page 85: ...OLUME POWER ON OFF PRESET RECALL PRESET CH MEMORY SEEK TUNING UP DOWN MANUAL TUNING UP DOWN BASS TREBLE FADER BALANCE AM FM RADIO TAPE MUSIC REPEAT VOLUME POWER ON OFF BASS TREBLE FADER BALANCE MUSIC SEARCH FF REW DIRECTION REWIND FAST FORWARD DOLBY B NR TAPE EJECT TAPE PLAY ...

Page 86: ...able discs Compact disc Signal format Sampling frequency 44 1kHz Number of guantization 16 linear S N 60dB or more Distortion 0 2 or less FM tuner Frequency 87 5 108 MHz S N 50dB or more Distortion 1 3 or less IF interference 82dB or more Image interference 46dB or more AM tuner Frequency 531 1602 kHz Selectivity 55dB or more 10kHz S N 44dB or more Distortion 1 0 or less IF interference 61dB or mo...

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