ORDER NO. ACED050309C3 AUTOMOTIVE AFTERMARKET CQ-C8401W CQ-C7401W WMA MP3 CD Player/Receiver with Full Dot Matrix Display Specifications* General Signal to Noise Ratio 96dB Power Supply DC 12V (11V - 16V), Total Harmonic Distortion 0.01% (1kHz) Test Voltage 14.4V Wow and Flutter...
CQ-C8401W / CQ-C7401W CONTENTS Page Page 1 ABOUT LEAD FREE SOLDER (PbF) 11 TERMINALS DESCRIPTION 2 FEATURES 12 IC BLOCK DIAGRAM 3 REPLACEING THE FUSE 13 REPLACEMENT PARTS LIST 4 MAINTENANCE 14 EXPLODED VIEW (Unit) 5 NOTES 15 CD PLAYER PARTS LIST...
CQ-C8401W / CQ-C7401W [CD DECK BLOCK] 1 ABOUT LEAD FREE This model servo alignment points because SOLDER (PbF) microcomputer controls the servo circuit Distinction of PbF PCB: 6 DIMENSIONS PCBs (manufactured) using lead free solder will have a PbF stamp on the PCB.
CQ-C8401W / CQ-C7401W 11 TERMINALS DESCRIPTION 11.1. Main Block Port Description (I/O) AM CD IC601 : C2CBJG000589 50 H STANDBY External standby input Port Description (I/O) 51 DC DC CNT DC/DC control for 60W AM CD (CQ-C8401W) PANEL OPEN PANEL OPEN detection 5.2 5.2...
Page 14
CQ-C8401W / CQ-C7401W 11.2. Display Block Port Description (I/O) AM CD IC900 C2CBJH000095 98 S LED Security LED control output Port Part Name & Description 99 PANEL IN PANEL detect 5.2 5.2 FLASH A17 100 EP CS(NC) No Connection FLASH A18...
Page 15
CQ-C8401W / CQ-C7401W 11.3. CD Servo Block Port Part Name & Description KI1(SOURCE) Key return signal 1 INT/I IC401 : YESAM275 REMO INT Remote control signal Port Descriptions interference NC/WP/ACC No Connection CVSS1 NC/A21 No Connection TP407 NC/A22 No Connection...
Page 16
CQ-C8401W / CQ-C7401W Port Descriptions Port Descriptions DATA M AUDIO serial data output 120 STAT Status signal input 121 D13 Data path of FLASH ROM Serial data output 122 D14 123 D15 /NMI 125 CVDD6 CORE CPU system (1.6V) power...
5. "A" or "B" marks in remarks column are indicated as D701 YEADDAM3MA47 Diode follows : D702 MA736TX Diode • • • • A : CQ-C8401W D703 YEADRD56M3T1 Diode D704 B0JCMC000004 Diode • • • • B : CQ-C7401W D705...
Page 22
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks C265 F2A1H4R7A632 Electrolytic, 4.7µF 50WV C715 YECUS1E104ZF Ceramic, 0.1µF 25WV C267 ECQV1H474JL2 Plastic Film, 0.47µF 50WV C716 YECUS1C104KX Ceramic, 0.1µF 16WV...
Page 23
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks J558 ERJ8GX0R00V Chip, 0Ω 1/8W R352 ERJ8GEYJ393V Chip, 39kΩ 1/8W J559 ERJ8GX0R00V Chip, 0Ω 1/8W R353 ERJ3GEYJ273 Chip, 27kΩ 1/16W...
Page 24
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R672 ERJ3GEYJ104V Chip, 100kΩ 1/16W XL601 H0J419400009 Crystal Oscillator R673 ERJ3GEYJ104V Chip, 100kΩ 1/16W R674 ERJ3GEYJ272V Chip, 2.7kΩ 1/16W...
Page 25
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks DIODEs R913 ERJ3GEYJ222V Chip, 2.2kΩ 1/16W D901 B0BC5R600003 Diode R914 ERJ3GEYJ222V Chip, 2.2kΩ 1/16W D903 B0BC4R000006 Diode R916 ERJ3GEYJ184V Chip, 180kΩ...
Page 26
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks RA911 D1H822140004 Network Resistor YEFE139472 Button, DISP YEFE139476 Button, Pause/Play/BAND/SET/APM YEFE139482 Button, P.SET/DISC/TUNE/TRACK THERMISTOR YEFE139568 Button, (FOLDER) TH900 D4CC14730002...
CQ-C8401W / CQ-C7401W 15 CD PLAYER PARTS LIST Ref. No. Part No. Part Name & Description Remarks C303 YESCC185 Ceramic, 0.01µF 50WV C304 YESCC185 Ceramic, 0.01µF 50WV Notes : C305 YESCC382 Ceramic, 680pF 50WV C306 YESCC382 Ceramic, 680pF 50WV 1. Be sure to make your orders of replacement parts...
Page 29
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks Ref. No. Part No. Part Name & Description Remarks R216 YESRG237 Chip, 5.6kΩ 1/10W RA403 YESXA002 Resistor Network, 100Ω * 4 R217 YESRG222 Chip, 1kΩ 1/10W RA404 YESXA002 Resistor Network, 100Ω...
Page 30
CQ-C8401W / CQ-C7401W Ref. No. Part No. Part Name & Description Remarks YESFX046150 Loading Roller YESJS01175 Collar Screw YERJT01001 Tapping Screw 2*3 YERJT01002 Tapping Screw 2*4 YEJT03117 Tapping Bind Screw 2*4 YERJS01002 Camera Screw 1.7*1.8 YERJS01003 Camera Screw 2*2 YERJS01004 Camera Tapping Screw 1.7*5...
Page 46
19.3. CD Servo Block To Main P.C.B 18P Connector CN101 3032-14-14 TP401 SYS 3.3V L201 L401 L402 Di gital GND R201 6.8k R215 TP202 5.6k R216 5.6k J104 0 R204 1k TP203 BA 5814FM CH1 Spindl e Motor CH2 Fe ed Motor CH3 Loa ding Motor (Not use) CH4 Focus Coil CH5 Tracking Coil...