Sony HCD-BX20I - Compact Disc Receiver Component Page 53 Service Manual Download

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HCD-BX20i/BX50BTi

7-4. MAIN BOARD SECTION

151

A-1444-382-A MAIN BOARD, COMPLETE (BX20i: US, CND)

151

A-1456-502-A MAIN BOARD, COMPLETE (BX50BTi)

151

A-1510-697-A MAIN BOARD, COMPLETE (BX20i: SP)

151

A-1527-091-A MAIN BOARD, COMPLETE (BX20i: AUS)

152

1-832-803-21 CABLE, FLEXIBLE FLAT (7 CORE)

153

3-077-331-01 +BV3

(3-CR)

154

3-282-726-01 PANEL (REAR) (BX20i: US/BX50BTi: US)

154

3-282-726-11 PANEL (REAR) (BX20i: CND/BX50BTi: CND)

154

3-282-726-51 PANEL (REAR) (BX20i: AUS)

154

3-282-726-61 PANEL (REAR) (BX20i: SP)

156

1-832-811-21 CABLE, FLEXIBLE FLAT (9 CORE)

157

4-233-372-02 FOOT

(FELT)

158

1-693-762-21 TUNER (FM/AM) (BX20i: US, CND/BX50BTi)

158

1-693-764-21 TUNER (FM/AM) (BX20i: AUS, SP)

159

7-685-650-11 SCREW +BVTP 3X16 TYPE2 N-S

(BX20i: AUS, SP)

159

7-685-650-19 SCREW +BVTP 3X16 TYPE2 N-S

(BX20i: US, CND/BX50BTi)

160

2-580-628-01 SCREW +BVST 3X6 (BX20i: US, CND/BX50BTi)

160

7-685-871-01 SCREW +BVTT 3X6 (S) (BX20i: AUS, SP)

161

7-685-647-11 SCREW (B) (+) BV TAPPING (BX20i: AUS, SP)

161

7-685-647-19 SCREW (B) (+) BV TAPPING

(BX20i: US, CND/BX50BTi)

162

3-087-053-01 +BVTP 2.6 (3CR)

M901 1-787-400-11 D.C.

FAN

7-685-871-01 SCREW +BVTT 3X6 (S)

7-685-646-11 SCREW +BVTP 3X8 TYPE2 N-S

7-685-650-11 SCREW +BVTP 3X16 TYPE2 N-S

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

160

159

not
supplied

not supplied

M901

158

POWER board section

157

156

154

161

151

152

153

not supplied
(GUARD board)

not supplied
(AMP board)

not supplied
(5VREG board)

not supplied
(9VREG board)

162

not supplied
(VOL SELECT board)

(BX20i: SP)

Ver. 1.1

Summary of Contents for HCD-BX20I - Compact Disc Receiver Component

Page 1: ...lifier section BX20i Amplifier section BX50BTi AUDIO IN stereo mini jack voltage 250 mV impedance 47 kilohms Outputs Outputs Bluetooth section BX50BTi PHONES stereo mini jack accepts headphones of 8 ohms or more SPEAKER accepts impedance of 6 to 16 ohms CD player section System Compact disc and digital audio system Laser Diode Properties Emission Duration Continuous Laser Output Less than 44 6μW T...

Page 2: ...diation exposure This appliance is classified as a CLASS 1 LASER product This marking is located on the rear or bottom exterior iPod section Compatible iPod models iPod touch iPod nano 3rd generation video iPod classic iPod nano 2nd generation aluminum iPod 5th generation video iPod nano 1st generation iPod 4th generation color display iPod 4th generation iPod mini General Power requirements North...

Page 3: ...S 7 1 Panel Section 50 7 2 Top Panel Section 51 7 3 Front Panel Section 52 7 4 MAIN Board Section 53 7 5 POWER Board Section 54 7 6 Loading Mechanism Section 55 7 7 Base Unit Section BU K6BD90 WOD 56 8 ELECTRICAL PARTS LIST 57 TABLE OF CONTENTS SAFETY CHECK OUT After correcting the original service problem perform the follow ing safety check before releasing the set to the customer Check the anten...

Page 4: ...applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful Strong viscosity Unleaded solder is more viscous sticky less prone to flow than ordinary solder so use caution not to let solder bridges occur such as on IC pin...

Page 5: ...EN THE TRAY WHEN POWER SWITCH TURN OFF Note Please insert a screwdriver after removing the panel side L About disassembly of the panel side L please refer to 3 2 Panel Side L R page 13 Open the tray Push the boss Insert the driver ...

Page 6: ...O for stereo programs only appear To stop automatic scanning Press stop or CANCEL on the unit To tune in a station with a weak signal If TUNED does not appear and the scanning does not stop press TUNING MODE repeatedly until AUTO and PRESET disappear and then press or TUNE on the unit repeatedly to tune in the desired station To reduce static noise on a weak FM stereo station Press FM MODE repeate...

Page 7: ...even if you disconnect the power cord or if a power failure occurs 6 To call up a preset radio station press TUNING MODE repeatedly until PRESET appears and then press repeatedly to select the desired preset number Using the Timers The system offers two timer functions If you use the Play Timer with the Sleep Timer the Sleep Timer has priority Use buttons on the remote to use the timer functions S...

Page 8: ...system is turned off STANDBY indicator Remote sensor BLUETOOTH button Press to make a connection disconnection or pairing with a Bluetooth device BLUETOOTH indicator Lights up when the Bluetooth function is active open close button Press to open or close the disc tray AUDIO IN jack Connect to an optional audio component PHONES jack Connect the headphones Playback buttons and function buttons Unit ...

Page 9: ... VOL button Remote VOLUME button Press to adjust the volume Press to select the sound effect RI DISPLAY button Press to change the information on the display RK Sound buttons Unit DSGX button Remote EQ button RL Unit Y CANCEL stop cancel button Remote Y stop button Press to stop playback RM CLEAR button Press to delete a pre programmed track Press to erase the pairing registration or file informat...

Page 10: ...OP PANEL BLOCK Page 11 3 5 FRONT PANEL BLOCK Page 12 3 11 LOADING MECHANISM BLOCK Page 15 3 12 BASE UNIT Page 16 3 13 BELT Page 16 3 14 OP BASE ASSY KSM 213D Page 17 3 6 REAR PANEL BLOCK Page 13 3 8 AMP BOARD BLOCK Page 14 3 10 MAIN BOARD Page 15 3 9 POWER BOARD BLOCK Page 14 3 7 PANEL REAR Page 13 3 4 TOP KEY BOARD IP BOARD PANEL TOP IP Page 12 SET ...

Page 11: ...20i US Canadian BX50BTi BVTT3 6 BX20i Australian Singapore two screws BVST3 6 BX20i US Canadian BX50BTi BVTT3 6 BX20i Australian Singapore screw BVTP3 10 screw BVTP3 10 panel side L panel side R 3 3 TOP PANEL BLOCK two screws BVTT3 6 five screws BVTP3 10 two screws BVTT3 6 connector CN325 connector CN322 top panel block Ver 1 1 ...

Page 12: ... BVST3 6 BX20i US Canadian BX50BTi BVTT3 6 BX20i Australian Singapore flexible flat cable 15 core BT board CN901 MAIN board CN323 flexible flat cable 15 core flexible flat cable 15 core two screws BVTP3 8 shield case lid BX50BTi only connector 60mm 2mm 60mm 2mm flexible flat cable 13 core CN306 screw BVTT3 6 front panel block Note When exchanging or removing flexible flat cable between the BT subs...

Page 13: ...Australian Singapore BVTT3 6 US Canadian connector CN905 connector CN902 BX20i Singapore model 3 7 PANEL REAR two screws BVTP3 16 two screws BVTP2 6 VOL SELECT board panel rear D C fan M901 plate GND TU two feet felt tuner FM AM flexible flat cable 9 core two screws BVST3 6 Australian Singapore BVTT3 6 US Canadian BX20i Singapore model Ver 1 1 ...

Page 14: ... BLOCK flexible flat cable 7 core AMP board CN308 MAIN board CN309 two screws BV3 AMP board block connector CN320 connector CN312 3 9 POWER BOARD BLOCK screw BV3 coating clip four screws connector CN904 connector CN901 POWER board block ...

Page 15: ... LOADING MECHANISM BLOCK two screws BVTP3 8 BT board block holder CD BX50BTi BX20i three screws BV3 loading mechanism block flexible flat cable 21 core MAIN Board CN305 flexible flat cable 5 core CN311 flexible flat cable 5 core CN001 flexible flat cable 21 core CD board CN201 two screws BVTP3 8 door CD ...

Page 16: ...IT 3 13 BELT insulator insulator base unit insulator insulator two springs insulator two floating screws two floating screws floating screw loading BK assy Bottom view two springs insulator belt claw claw tray AU belt position of belt ...

Page 17: ...HCD BX20i BX50BTi 17 3 14 OP BASE ASSY KSM 213D Remove four solders flexible flat cable 16 core CN301 CD board op base assy KSM 213D ...

Page 18: ... on the fluorescent indicator tube 11 Each time a button is pressed the AD of each button is dis played on the fluorescent indicator tube 12 To release this mode press three buttons in the same manner as step 2 or disconnect the power cord TUNER STEP CHANGE A step of AM tuning interval can be changed over between 9 kHz or 10 kHz Procedure 1 Press the 1 button to turn the power on 2 Press the TUNER...

Page 19: ...ICE MO is displayed on the fluorescent indicator tube 4 Press the l m TUNE button to move the optical pick up to inside track and the message SLED IN is displayed on the fluorescent indicator tube or press the M L TUNE button to outside track and the message SLED OUT is displayed on the fluorescent indicator tube 5 Press the CD u button LD ON or LD OFF is displayed on the fluorescent indicator tub...

Page 20: ...S 18 disc 3 702 101 01 unless otherwise indicat ed 3 Use an oscilloscope with more than 10 MΩ impedance 4 Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the fol lowing checks 5 Check the focus bias check when optical pick up block is re placed FOCUS BIAS CHECK Procedure 1 Connect oscilloscope to TP121 RFI and TP124 VC on the CD ...

Page 21: ...9 FMO 20 IO0 HSO I V AMP M401 SPINDLE M402 SLED 12 VO2 11 VO2 18 VO3 17 VO3 26 VO4 27 7 IN4 24 IN3 20 IN2 9 IN1 3 BIAS 23 84 VRo VO4 M M FOCUS TRACKING COIL DRIVE SLED SPINDLE MOTOR DRIVE IC401 S201 LIMIT DVDD 3 3V 24 XO 23 XI X102 16 9344MHz 60 CD DRIVER MUTE LOADING MOTOR DRIVE IC311 CDM LOAD IN 85 CDM LOAD OUT CDM SW OPEN CDM SW CLOSE 84 88 87 M A CD L CD PLAY SIGNAL PATH R ch is omitted due to...

Page 22: ...INE OUT L LINE OUT R 24 TXD_iPod RXD 19 23 RXD_iPod TXD 30 46 DGND 8 8 RESET VBUS 5V VBUS B iPod L MUTING CONTROL SWITCH Q106 RESET SIGNAL GENERATOR IC103 MUTING Q103 105 E TUNER L 28 TXD_DMPORT 77 CLINK_TX_DOUT 29 RXD_DMPORT 73 NC DETECT 9 XOUT 11 XIN X101 20MHz PATTERN ANTENNA FOR BLUETOOTH R CH R CH LINE AMP IC901 BX50BTi F BT L G BT OUT L TUNER FM AM AM FM ANT AM ANT L OUT R OUT DO STEREO R CH...

Page 23: ...ONTROLLER IC301 3 4 AUDIO CD PLAY SIGNAL PATH R ch is omitted due to same as L ch AUDIO IN TUNER FM AM BT AUDIO OUT MUTE 43 Q310 D1 5 C1 SEL1 VOL1 B1 A1 X INPUT SELECTOR IC312 A 13 14 12 10 X1 X0 Q319 INH 6 Q320 X 11 MUTING Q103 R CH 23 MUTING CONTROL SWITCH Q340 341 BX50BTi BX50BTi POWER AMP IC601 11 CH1 IN 10 MONITOR CH1 OUT 4 CH1 OUT 5 13 STBY J500 R CH PHONES SPEAKER R L J302 DC DETECT Q342 34...

Page 24: ...AC DETECT Q301 B SWITCH Q312 313 VM 7V RECT D924 927 5V REGULATOR IC306 VBUS POWER ON OFF SWITCH IC201 VBUS 5V BT 3 3V 3 3V REGULATOR IC903 IP 3 3V 3 3V REGULATOR IC102 CD 1 5V 1 5V REGULATOR IC201 KEY WAKE UP 74 D774 D903 BX50BTi LED DRIVE Q902 STANDBY D902 STANDBY LED 89 LED DRIVE Q901 BX50BTi 57 CD ON 94 X5V FLAG 80 DMPORT POWER AVDD 3 3V DVDD 3 3V 3 3V REGULATOR Q302 303 Q390 392 RECT D916 919...

Page 25: ...S Australian model CND Canadian model SP Singapore model For Printed Wiring Boards Note X Parts extracted from the component side Y parts extracted from the conductor side f internal component Pattern from the side which enables seeing The other layers patterns are not indicated Caution Parts face side SIDE A Pattern face side SIDE B Parts on the parts face side seen from the pattern face are indi...

Page 26: ...06 C132 C138 C137 R135 R134 R136 R130 R128 R129 R143 R139 C136 R120 R114 C153 C112 R125 R126 C149 C139 R127 R118 R140 R151 C122 C123 R220 R104 S201 R155 C128 C106 C201 R304 R302 C309 C205 C207 C307 R303 C133 R111 R112 C115 R211 Q301 R301 C204 C202 C206 C306 R212 C401 C130 C405 IC201 IC401 IC101 R201 R142 CN001 S001 CD BOARD COMPONENT SIDE CD BOARD CONDUCTOR SIDE 3 1 4 5 1 7 8 14 28 22 21 15 TP124 ...

Page 27: ...144 C147 C140 C137 C141 C142 C106 R302 C306 C303 C302 R405 R402 R408 R414 C207 C152 C206 IC401 0 1M 1M 100 10V 2 2 0 10k 2 2 100 100 100 100 100 100 100 100 100k 100k 100k 100k 100k 100 0 100 2SA2119K 100k 100 10V 100 100 16P 220 220 10V 47k 10k 470k 1k 47k 22k 47k 10k 0 0 100k 0 TK63115SCL G GT 0 1 1 0 001 0 1 470p 0 1 470p 0 1 0 1 0 0022 0 1 0 1 0 1 0 01 0 01 0 022 C119 0 022 0 1 0 0047 0 0047 0...

Page 28: ...C932 IC902 R954 R964 R959 R961 R960 R962 R956 R958 R952 R951 R945 C945 R947 R943 R949 R967 R941 IC901 R950 R971 R970 R969 R908 R948 C946 R946 R944 R974 R973 R972 R907 R942 R968 R910 R911 R909 R914 R921 C923 R929 C925 R925 R923 C931 R927 R931 R933 R901 R902 R903 R904 R905 R906 FB908 FB909 FB910 FB911 FB901 FB902 C914 CN904 B MAIN BOARD CN323 BT BOARD SIDE A 1 873 212 11 11 1 1 6 1 1 25 50 26 6 3 5 ...

Page 29: ...k NJM14558V 470 470 470 470 470p 470p 220 2 2k 0 2 2k 0 NJM14558V 470p 220 220 4 7k 470p 4 7k 4 7k 0 0047 0 0047 4 7k 4 7k 2 2 50V 4 7k 4 7k 2 2 50V 0 1 100 100 100 100 MC2838 T11 22 16V XC6213B332MR 0 1 4 7 35V 22p 22p 0 47k 47k 47k 47k MC2838 T11 100 100 100 100 6P 100 100 100 100 6P 0 47 16V 47 16V 2 2 50V 47 16V 100 22p 0 22 50V 0 22 50V 1 50V 1 50V 2 2 50V 0 1 47k BLUETOOTH MODULE CXN1404 3BG...

Page 30: ...R138 R139 C101 C102 C103 R140 C104 R141 C105 R142 R143 R144 C108 C109 R146 R147 R148 R149 C111 X101 R150 C114 C115 C118 C119 C120 D102 D104 IC101 IC102 IC103 E E X101 IP BOARD SIDE A IP BOARD SIDE B 1 876 184 11 11 1 876 184 11 11 C MAIN BOARD CN325 iPod 1 10 E 1 3 4 5 1 3 4 52 40 14 A K 26 39 27 1 13 2 A K A B C D E 1 2 3 4 5 6 7 8 9 10 Page 32 Ref No Location Semiconductor Location Ref No Locati...

Page 31: ...L152 CL153 CL154 CL155 CL156 CL135 0 1 C104 0 1 C102 0 1 C103 C101 0 1 0 1 C120 0 1 C111 0 1 C118 100k R107 100k R108 100k R109 100k R110 75k R106 75k R111 220k R112 330k R113 100 R114 100 R115 100 R102 100 R101 100 R136 100 R149 100 R103 100 R104 10k R122 10k R132 10k R135 R146 10k 100k R140 100k R139 100k R148 100k R147 1k R141 R143 1k R144 1k 1k R142 10k R105 1000p C119 0 22 C105 0 R118 33k R11...

Page 32: ...11 C213 C217 C219 C222 C223 C225 D313 JR302 C766 C337 JR309 JR307 D302 D303 JR342 D304 E C359 D309 R109 R713 Q103 IC301 JR320 R302 JR325 C366 IC310 C362 C361 D322 D332 IC303 C355 JR211 C348 JR101 JR107 JR201 JR213 JR207 C342 C341 C340 C339 C338 Q341 Q340 Q338 Q333 JR214 C333 NC Q307 JR219 C330 Q315 Q316 JR221 JR331 JR222 Q343 Q344 Q347 Q348 JR223 R209 R101 R102 R103 R105 R106 JR316 C316 R117 R122 ...

Page 33: ...41C RT1N141C 47 22k ISA1235 AC1TP 47k 47k 100 16V UDZW TE17 3 9B 220 10V MA2J1110GLS0 1 1 0 0 100K 100K 100 16V 0 1 2 2 50V 100K 1 50V 1 50V 100K 100K 100 2 2K 10K 10K RT1N141C TP 1 2 2 50V 1k 0 0 0 0 0 0 0 47k 47k 4 7k 4 7k MC14052BDTR2 47 47 47k 4 7k 0 1 0 1 0 0 100K 0 1 KTC3205Y A RT1N141C TP 1 21P 0 1 470P 470P 2 2 50V 1 50V 1 50V 2 2K RT1N141C TP 1 A1 A2 A3 A4 A6 A7 A8 A10 A9 C1 C2 C3 C4 C5 1...

Page 34: ... A4 A6 A7 A8 A9 A10 B1 B2 B3 B4 B11 B10 B9 B8 B7 B6 B5 77 78 92 93 33 40 68 69 70 88 89 100 4 19 91 4 39 TUNER_L TUNER_R 45 BT SELEC OUT_L BT FUNC OUT_L BT FUNC OUT_R BT SELEC OUT_R 1 2 3 6 6 22 24 25 25 26 26 27 27 28 28 31 32 34 43 83 82 81 80 59 89 88 85 85 66 53 44 57 60 93 91 92 84 87 87 90 90 84 83 82 81 73 44 33 31 34 32 45 43 5 BT RX_R BT RX_L 31 34 33 32 9 12 5 9 12 23 94 INH VEE GND VCC ...

Page 35: ... 0 1 0 01 0 47 0 47 4 7 4 7 RT1N141C TP 1 22 50V RT1N141C TP 1 22k 47k 10 50V MC2836 4 7k 2 2 2 2 47 10k UDZW TE17 3 6B 680 0 01 2SC3052F 680 100 16V 220k 2SC3052F KTA1266GR 2SC3052F MC2837 47k 100 16V 100k 2SC3052F ISA1235 MC2837 MC2836 47k 10k 10k ISA1235 100k 2 2k 47k 22k 2 2k 2SC3052F 100k 10k 47k 100k 47k 4 7k 100k 47k 47k MA2J1110GLS0 KIA7809API 0 1 100 16V 3P 10P 3P 0 01 12P 100 16V R5523N0...

Page 36: ... R132 R590 R587 C504 R544 R516 R518 R545 R504 R506 C524 R514 C525 C526 R508 C523 C528 R523 R502 R515 R546 R507 R503 R513 R501 R512 C502 C501 R505 R510 R509 R543 C527 C505 R524 R519 R517 R522 R521 CN308 C512 JW589 JW585 JW586 JW588 C503 CN320 R541 R542 JW582 C529 C506 JW583 JW581 C511 C519 JW584 JW587 IC601 1 8 1 876 056 HP BOARD G PHONES AUDIO IN MAIN BOARD CN316 1 876 053 11 12 11 12 AMP BOARD H ...

Page 37: ...R501 J500 5P 0 0022 470k 100 35V 100 470k 0 0022 2 2k 1k 47k 10p 1k 47 25V 0 47 25V 1k 10p 47k 2 2k 1k 0 10k 2200p 2200p 1k 470 10V 100p 100p 470p 47k 470p 47k 10 50V 470 10 50V 470 7P STK433 730 E 8P 1k 1k 470p 470p 47k 47k 10k 10k 10k 10k 10k 10k 10k 10k 470 470 470 470 470 470 2 2k 2 2k 470 470 470 470 470 470 0 01 0 01 470 470 CH21 IN CH2 NF STBY CH1 NF CH1 IN MONITOR SUB PRE CH2 OUT CH2 OUT C...

Page 38: ...2 S807 S806 S805 S804 S812 S811 S813 S810 S809 S814 S821 S820 S819 S818 S815 S816 S817 FLUORESCENT INDICATOR TUBE PANEL BOARD 1 876 052 11 12 11 12 E E 1 13 K A A E 1 3 E 2C 1C 1 2 3 4 5 6 7 8 9 A K A A K K 1B 2B OPEN CLOSE BLUETOOTH OPR BLUETOOTH OPR BX50BTi S801 803 E MAIN BOARD CN306 T801 DC DC CONVERTER STANDBY POWER CHASSIS F MAIN BOARD CN322 1 876 055 TOP KEY BOARD Y ENTER DSGX DISPLAY FUNCT...

Page 39: ...2 CPH5504 TL E 0 47 25V 2 2 RT1N141C RT1P441C SELK5E200 DTP15 1k 2 2k 1K 1K 1K 47 SLR325VCT31P NJL24H400A 0 1 54 55 53 52 53 54 55 57 57 52 1G P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32 P33 P34 P35 P36 P37 P1 P2 P3 P4 P5 P6 P7 P8 P9 P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 P22 P23 P24 P25 P26 P27 P28 P29 P30 P31 P32...

Page 40: ...3 1 876 054 11 12 11 12 POWER BOARD MAIN POWER TRANSFORMER SUB POWER TRANSFORMER NOT REPLACEABLE BUILT IN TRANSFORMER AC IN 1 3 K A A K K A K A A K A A LINE FILTER J MAIN BOARD CN303 1 12 BX20i US CND BX50BTi EXCEPT BX20i SP EXCEPT BX20i SP EXCEPT BX20i SP EXCEPT BX20i SP AUS A B C D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 BX20i SP BX20i SP BX20i SP 3 1 3 1 BX20i SP 1 876 059 VOL SELECT BOARD 1 3 1...

Page 41: ...5401 MC2838 22k 22k 1N4002B 1N4002B 2200 25V 1N4002B 1N4002B 3P MA2J1110GLS0 12P 1N4002 B5 1N4002 B5 1N4002 B5 1N4002 B5 2200 16V T2AL 250V USB UNREG GND USB UNREG RELAY SUB GND UNREG SUB ACDET PROTECT B GND B UNREG UNREG GND TRANSFORMER SUB TRANSFORMER MAIN LINE FILTER AC IN NOT REPLACEABLE AUS BX20i US CND BX50BTi BUILD IN TRANSFORMER JW933 JW935 CN902 M 120V M 220V M 240V M 120V M 220V M 240V S...

Page 42: ...oard IC201 TK63115SCL G GT THERMAL OVER CURRENT PROTECTION VOLTAGE REFERENCE ON OFF CONTROL VIN 1 GND 2 VCONT 3 NC 4 VOUT 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 24 23 22 21 20 19 18 17 16 15 25 LEVEL SHIFT LEVEL SHIFT THERMAL SHUT DOWN REGULATOR BIAS TRAP LEVEL SHIFT MUTE LEVEL SHIFT D BUFF D BUFF D BUFF GND IN4 IN4 BIAS VCC VCC IN3 IN3 VO3 VO3 VO4 VO4 RESETt OPIN VO1 REGB VO1 IN1 RESET REGOU...

Page 43: ... 16 BCA2 20 SB2 19 OUT2 22 SB1 21 SR 24 VCC 23 OUT1 26 SDA 25 SCL 28 FIL 27 GND 15 BCB2 2 A2 3 B1 5 C1 6 C2 4 B2 11 VOL1 12 VOL2 13 TC2 14 TC1 7 D1 8 D2 9 SEL2 10 SEL1 INPUT SELECTOR TREBLE BASS INVERTER VOLUME INPUT GAIN SURROUND PC BUS LOGIC 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 2Y0 1Y2 VCC 1Y1 1 COM 1Y0 1Y3 A B GND GND INH 2Y1 2Y3 2 COM 2Y2 1 2 3 4 5 6 7 8 9 CONTROL LOGIC TSD VREF OUT2 OUT1 RN...

Page 44: ... SG4 64 SG3 63 SG2 62 SG1 61 SG35 31 SG34 30 SG33 29 SG32 28 SG31 27 SG30 26 SG29 25 SG28 24 SG27 23 SG26 22 SG25 21 SG24 20 SG23 19 SG22 18 SG21 17 SG18 14 SG17 13 SG16 12 SG15 11 SG14 10 SG13 9 SG12 8 SG11 7 SG10 6 SG9 5 SG8 4 SG7 3 SG6 2 SG5 1 GR3 34 GR4 35 GR5 36 GR6 37 GR7 38 GR8 39 GR9 40 GR10 41 GR11 42 GR12 43 GR13 44 GR14 45 GR15 46 GR16 47 VEE 48 AMP Board IC601 STK433 730 E 11 IN 1 10 M...

Page 45: ... 25 XVDD3 Power supply terminal 3 3 V 26 DVSS3 Ground terminal 27 RO O Audio data R ch output to the input selector 28 DVDD3 Power supply terminal 3 3 V 29 DVR O Reference voltage 1 65V output terminal 30 LO O Audio data L ch output to the input selector 31 DVSS3 Ground terminal 32 VDDT3 Power supply terminal 3 3 V 33 VSS1 Ground terminal 34 VDD1 Power supply terminal 1 5 V 35 VDDM1 Power supply t...

Page 46: ... PVREF I Reference voltage 1 65V input terminal 78 VCOF O VCO filter output terminal 79 PVSS3 Ground terminal 80 SLCo O EFM slice level output terminal 81 RFi I RF signal input terminal 82 RFRPi I RF ripple signal input terminal 83 RFEQo O EFM slice level output terminal 84 VRo O Reference voltage 1 65V output terminal 85 RESiN O External resistor connection terminal 86 VMDiR O Reference voltage 1...

Page 47: ... Not used 23 RXD_iPod I Serial data input from the iPod connector 24 TXD_iPod O Serial data output to the iPod connector 25 P13 O Not used 26 NC Not used 27 AC CUT O Not used 28 TXD_DMPORT O Serial data output to the system controller 29 RXD_DMPORT I Serial data input from the system controller 30 to 35 P12 to P10 P31 P30 P65 O Not used 36 VIDEO_MUTE O Not used 37 AUDIO_MUTE O Audio muting on off ...

Page 48: ...ta transfer clock signal output to the tuner FM AM 28 ST DATA OUT O Serial data output to the tuner FM AM 29 IIC CLK I O Two way IIC clock bus terminal Not used 30 IIC DATA I O Two way IIC data bus terminal Not used 31 BT DOUT O Serial data output to the bluetooth module BX50BTi 32 BT DIN O Serial data input from the bluetooth module BX50BTi 33 BT CTS I Clear to send signal input from the bluetoot...

Page 49: ...9 NC O Not used 80 DMPORT POWER O VBUS power on off control signal output terminal H power on 81 to 83 KEY3 to KEY1 I Top and front panel key input terminal A D input 84 CDM LOAD OUT O Loading motor control signal output terminal for loading out 85 CDM LOAD IN O Loading motor control signal output terminal for loading in 86 SPEC IN I Setting terminal for the destination 87 CDM SW OPEN I Disc tray ...

Page 50: ...ey may have some difference from the original one Items marked are not stocked since they are seldom required for routine ser vice Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not sup plied Color Indication of Appearance Parts Ex ample KNOB BALANCE WHITE RED R R Parts Color Cabinet s Color Accessories are given i...

Page 51: ...DIO IN FUNCTION REPEAT FM MODE PLAY MODE TUNING MODE BX20i US CND 56 3 282 732 41 BUTTON FUNCTION TUNER BAND AUDIO IN FUNCTION REPEAT FM MODE PLAY MODE TUNING MODE BX20i AUS SP 56 3 282 732 61 BUTTON FUNCTION CD u TUNER BAND FUNCTION REPEAT FM MODE PLAY MODE TUNING MODE BX50BTi 57 3 282 746 01 PANEL TOP IP BX20i US BX50BTi US 57 3 282 746 11 PANEL TOP IP BX20i CND BX50BTi CND 57 3 282 746 31 PANEL...

Page 52: ...L ASSY FRONT BX20i AUS SP 102 4 233 372 02 FOOT FELT 103 1 834 114 11 CABLE COAXIAL WITH U F L CON BX50BTi 104 3 087 053 01 BVTP2 6 3CR 105 1 831 997 21 CABLE FLEXIBLE FLAT 13 CORE 106 X 2188 620 1 BUTTON BT ASSY BX50BTi FL901 1 519 993 21 INDICATOR TUBE FLUORESCENT Ref No Part No Description Remark Ref No Part No Description Remark 102 106 101 103 104 104 105 FL901 not supplied not supplied PANEL...

Page 53: ... 159 7 685 650 11 SCREW BVTP 3X16 TYPE2 N S BX20i AUS SP 159 7 685 650 19 SCREW BVTP 3X16 TYPE2 N S BX20i US CND BX50BTi 160 2 580 628 01 SCREW BVST 3X6 BX20i US CND BX50BTi 160 7 685 871 01 SCREW BVTT 3X6 S BX20i AUS SP 161 7 685 647 11 SCREW B BV TAPPING BX20i AUS SP 161 7 685 647 19 SCREW B BV TAPPING BX20i US CND BX50BTi 162 3 087 053 01 BVTP 2 6 3CR M901 1 787 400 11 D C FAN 1 7 685 871 01 SC...

Page 54: ...34 967 21 CORD POWER BX20i AUS 213 3 703 244 00 BUSHING 2104 CORD 214 3 077 331 01 BV3 3 CR 0 F901 1 532 388 33 FUSE T2AL 250V 0 F902 1 532 388 33 FUSE T2AL 250V 0 T901 1 445 187 11 TRANSFORMER POWER BX20i AUS SP 0 T901 1 445 188 11 TRANSFORMER POWER BX20i US CND BX50BTi 5 7 685 646 11 SCREW BVTP 3X8 TYPE2 N S Ref No Part No Description Remark Ref No Part No Description Remark 201 202 203 214 205 ...

Page 55: ...0 478 01 BELT 253 4 985 672 01 SCREW PTPWH M2 6 FLOATING 254 4 227 045 41 SPRING INSULATOR 255 4 229 005 41 INSULATOR Ref No Part No Description Remark Ref No Part No Description Remark base unit section 255 255 253 255 253 255 254 251 254 252 not supplied MOTOR board not supplied not supplied ...

Page 56: ...M 213D 302 1 832 404 21 CABLE FLEXIBLE FLAT 16 CORE 303 A 1217 914 A CD BOARD COMPLETE S201 1 771 853 11 SWITCH DETECTION LIMIT Ref No Part No Description Remark Ref No Part No Description Remark 301 including sled motor M402 spindle motor M401 302 303 S201 sled motor M402 spindle motor M401 ...

Page 57: ...ETAL CHIP 47K 5 1 10W R510 1 216 825 11 METAL CHIP 2 2K 5 1 10W R512 1 216 821 11 METAL CHIP 1K 5 1 10W R513 1 216 821 11 METAL CHIP 1K 5 1 10W R514 1 216 821 11 METAL CHIP 1K 5 1 10W R515 1 216 864 11 SHORT CHIP 0 R516 1 216 825 11 METAL CHIP 2 2K 5 1 10W BX20i R516 1 216 829 11 METAL CHIP 4 7K 5 1 10W BX50BTi R517 1 216 837 11 METAL CHIP 22K 5 1 10W BX20i R517 1 216 841 11 METAL CHIP 47K 5 1 10W...

Page 58: ...MM SMD 6P CN903 1 573 806 21 PIN CONNECTOR 1 5MM SMD 6P DIODE D901 6 500 335 01 DIODE MC2838 T112 1 D902 6 500 335 01 DIODE MC2838 T112 1 JUMPER RESISTOR FERRITE BEAD FB901 1 216 864 11 SHORT CHIP 0 FB902 1 216 864 11 SHORT CHIP 0 FB903 1 216 864 11 SHORT CHIP 0 FB904 1 216 864 11 SHORT CHIP 0 FB905 1 216 864 11 SHORT CHIP 0 FB906 1 216 864 11 SHORT CHIP 0 FB907 1 400 684 21 INDUCTOR FERRITE BEAD ...

Page 59: ...C CHIP 0 1uF 16V C112 1 164 360 11 CERAMIC CHIP 0 1uF 16V C113 1 164 360 11 CERAMIC CHIP 0 1uF 16V C115 1 124 778 00 ELECT CHIP 22uF 20 6 3V C116 1 164 360 11 CERAMIC CHIP 0 1uF 16V C117 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C118 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C119 1 164 227 11 CERAMIC CHIP 0 022uF 10 25V C120 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C122 1 164 315 11 CERAMIC CHIP 470PF...

Page 60: ...100 5 1 10W R209 1 216 809 11 METAL CHIP 100 5 1 10W R210 1 216 809 11 METAL CHIP 100 5 1 10W R211 1 216 809 11 METAL CHIP 100 5 1 10W R212 1 216 809 11 METAL CHIP 100 5 1 10W R218 1 216 845 11 METAL CHIP 100K 5 1 10W R219 1 216 845 11 METAL CHIP 100K 5 1 10W R220 1 216 845 11 METAL CHIP 100K 5 1 10W R221 1 216 845 11 METAL CHIP 100K 5 1 10W R222 1 216 845 11 METAL CHIP 100K 5 1 10W R223 1 216 845...

Page 61: ...833 11 METAL CHIP 10K 5 1 10W R135 1 216 833 11 METAL CHIP 10K 5 1 10W R136 1 216 809 11 METAL CHIP 100 5 1 10W R137 1 216 809 11 METAL CHIP 100 5 1 10W R138 1 216 809 11 METAL CHIP 100 5 1 10W R139 1 216 845 11 METAL CHIP 100K 5 1 10W R140 1 216 845 11 METAL CHIP 100K 5 1 10W R141 1 216 821 11 METAL CHIP 1K 5 1 10W R142 1 216 821 11 METAL CHIP 1K 5 1 10W R143 1 216 821 11 METAL CHIP 1K 5 1 10W R1...

Page 62: ...25V C363 1 126 933 11 ELECT 100uF 20 16V C364 1 126 964 11 ELECT 10uF 20 50V C365 1 126 935 11 ELECT 470uF 20 16V C366 1 164 156 11 CERAMIC CHIP 0 1uF 25V C367 1 126 935 11 ELECT 470uF 20 16V C368 1 164 156 11 CERAMIC CHIP 0 1uF 25V C369 1 126 157 11 ELECT 10uF 20 16V C371 1 130 495 00 MYLAR 0 1uF 5 50V C375 1 130 495 00 MYLAR 0 1uF 5 50V C377 1 130 495 00 MYLAR 0 1uF 5 50V C379 1 130 495 00 MYLAR...

Page 63: ... 0 JR342 1 216 296 11 SHORT CHIP 0 JR343 1 216 296 11 SHORT CHIP 0 JR344 1 216 296 11 SHORT CHIP 0 JR345 1 216 296 11 SHORT CHIP 0 JR498 1 216 864 11 SHORT CHIP 0 COIL L101 1 422 009 13 COIL AIR CORE L201 1 422 009 13 COIL AIR CORE TRANSISTOR Q103 6 550 889 01 TRANSISTOR 2SC5938 T112 1B Q203 6 550 889 01 TRANSISTOR 2SC5938 T112 1B Q301 8 729 120 28 TRANSISTOR 2SC1623 L5L6 Q302 8 729 027 43 TRANSIS...

Page 64: ...22K 5 1 10W R225 1 216 837 11 METAL CHIP 22K 5 1 10W R226 1 216 837 11 METAL CHIP 22K 5 1 10W R227 1 216 837 11 METAL CHIP 22K 5 1 10W R228 1 216 821 11 METAL CHIP 1K 5 1 10W R229 1 216 793 11 METAL CHIP 4 7 5 1 10W R230 1 216 793 11 METAL CHIP 4 7 5 1 10W R231 1 216 837 11 METAL CHIP 22K 5 1 10W R234 1 216 829 11 METAL CHIP 4 7K 5 1 10W R253 1 260 304 51 CARBON 10 5 1 2W R301 1 216 830 11 METAL C...

Page 65: ...TAL CHIP 10K 5 1 10W R495 1 216 809 11 METAL CHIP 100 5 1 10W R496 1 216 845 11 METAL CHIP 100K 5 1 10W R498 1 216 825 11 METAL CHIP 2 2K 5 1 10W R500 1 216 837 11 METAL CHIP 22K 5 1 10W R511 1 216 829 11 METAL CHIP 4 7K 5 1 10W R600 1 216 837 11 METAL CHIP 22K 5 1 10W R611 1 216 829 11 METAL CHIP 4 7K 5 1 10W R700 1 216 809 11 METAL CHIP 100 5 1 10W R701 1 216 809 11 METAL CHIP 100 5 1 10W R702 1...

Page 66: ...C NJL24H400A IC902 6 711 008 01 IC PT6302LQ 010 COIL L901 1 410 645 31 INDUCTOR 100uH TRANSISTOR Q901 8 729 027 38 TRANSISTOR DTA144EKA T146 Q902 8 729 027 43 TRANSISTOR DTC114EKA T146 BX50BTi Q903 6 550 065 01 TRANSISTOR CPH5504 TL E Q905 8 729 120 28 TRANSISTOR 2SC1623 L5L6 RESISTOR R851 1 216 821 11 METAL CHIP 1K 5 1 10W R852 1 216 825 11 METAL CHIP 2 2K 5 1 10W R919 1 216 864 11 SHORT CHIP 0 R...

Page 67: ... BX20i US CND BX50BTi 0 T902 1 443 908 11 TRANSFORMER POWER BX20i AUS SP TOP KEY BOARD RESISTOR R853 1 216 825 11 METAL CHIP 2 2K 5 1 10W R854 1 216 829 11 METAL CHIP 4 7K 5 1 10W R855 1 216 833 11 METAL CHIP 10K 5 1 10W R856 1 216 835 11 METAL CHIP 15K 5 1 10W R857 1 216 835 11 METAL CHIP 15K 5 1 10W R860 1 216 821 11 METAL CHIP 1K 5 1 10W R861 1 216 825 11 METAL CHIP 2 2K 5 1 10W R862 1 216 825 ...

Page 68: ...ECTOR MISCELLANEOUS 103 1 834 114 11 CABLE COAXIAL WITH U F L CON BX50BTi 105 1 831 997 21 CABLE FLEXIBLE FLAT 13 CORE 152 1 832 803 21 CABLE FLEXIBLE FLAT 7 CORE 156 1 832 811 21 CABLE FLEXIBLE FLAT 9 CORE 158 1 693 762 21 TUNER FM AM BX20i US CND BX50BTi 158 1 693 764 21 TUNER FM AM BX20i AUS SP 201 1 832 615 21 CABLE FLEXIBLE FLAT 21 CORE 202 1 834 979 21 CABLE FLEXIBLE FLAT 5P 208 1 832 584 21...

Page 69: ...MEMO HCD BX20i BX50BTi 69 ...

Page 70: ... the version at the top of the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2008 02 New 1 1 2008 03 Addition of Singapore model HCD BX20i Addition of Canadian model HCD BX50BTi Change of 5VREG 9VREG AMP HP MAIN PANEL POWER and TOP KEY boards Suffix 12 SMR 08031 ...

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