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52

DEH-P646,546

1)Precautions
• This unit uses a single power supply (+5V) for the reg-

ulator. The signal reference potential, therefore, is
connected to REFO(approx. 2.5V) instead of GND.

If REFO and GND are connected to each other by mis-

take during adjustments, not only will it be impossi-
ble to measure the potential correctly, but the servo
will malfunction and a severe shock will be applied to
the pick-up. To avoid this, take special note of the fol-
lowing.

Do not connect the negative probe of the measuring

equipment to REFO and GND together. It is especially
important not to connect the channel 1 negative
probe of the oscilloscope to REFO with the channel 2
negative probe connected to GND.

Since the frame of the measuring instrument is usual-

ly at the same potential as the negative probe, change
the frame of the measuring instrument to floating sta-
tus.

If by accident REFO comes in contact with GND,

immediately switch the regulator or power OFF.

• Always make sure the regulator is OFF when connect-

ing and disconnecting the various filters and wiring
required for measurements.

• Before proceeding to further adjustments and mea-

surements after switching regulator ON, let the player
run for about one minute to allow the circuits to stabi-
lize.

• Since the protective systems in the unit's software are

rendered inoperative in test mode, be very careful to
avoid mechanical and /or electrical shocks to the sys-
tem when making adjustment.

• Test mode starting procedure

Switch ACC, back-up ON while pressing the

4

and

6

keys together.

• Test mode cancellation

Switch ACC, back-up OFF.

• Disc detection during loading and eject operations is

performed by means of a photo transistor in this
unit.Consequently, if the inside of the unit is exposed
to a strong light source when the outer casing is
removed for repairs or adjustment, the following mal-
functions may occur.

*During PLAY, even if the eject button is pressed,the

disc will not be ejected and the unit will remain in
the PLAY mode.

*The unit will not load a disc.

When the unit malfunctions this way, either re-posi-
tion the light source, move the unit or cover the
photo transistor.

• When loading and unloading discs during adjustment

procedures, always wait for the disc to be properly
clamped or ejected before pressing another key.
Otherwise, there is a risk of the actuator being
destroyed.

• Turn power off when pressing the button

→

or the but-

ton

←

key for focus search in the test mode. (Or else

lens may stick and the actuator may be damaged.)

• SINGLE/4TRK/10TRK/32TRK will continue to operate

even after the key is released.Tracking is closed the
moment C-MOVE is released.

• JUMP MODE resets to SINGLE as soon as power is

switched OFF.

6.2 CD SECTION

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Summary of Contents for DEH-546

Page 1: ...FM AM TUNER DEH P646 ES Service Manual DEH 546 ES DEH P646 K FEA FEB 1998 Printed in Japan ORDER NO CRT2149 CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 SCHEMATIC DIAGRAM 10 4 PCB CONNECTION DIAGRAM 30 5 ELECTRICAL PARTS LIST 40 6 ADJUSTMENT 50 7 GENERAL INFORMATION 56 7 1 PARTS 56 7 1 1 IC 56 7 1 2 DISPLAY 62 7 2 DIAGNOSIS 63 7 2 1 DISASSEMBLY 63 7 2 2 TEST MODE 64 7 3 BLOC...

Page 2: ... the ser vice pickup unit see page 54 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...

Page 3: ...S CDE5484 2 Accessory Assy CEA2002 3 Polyethylene Bag CEG 162 4 Battery CEX1030 5 Carton DEH P646 ES CHG3437 Carton DEH 546 ES CHG3446 6 Contain Box DEH P646 ES CHL3437 Contain Box DEH 546 ES CHL3446 7 Protector CHP1766 8 Protector CHP1767 9 1 Polyethylene Bag CEG1116 9 2 Owner s Manual DEH P646 ES CRD2561 Owner s Manual DEH 546 ES CRD2714 9 3 Owner s Manual DEH P646 ES CRD2562 9 4 Installation Ma...

Page 4: ...c Installation Manual Model Part No Language DEH P646 ES CRD2563 English Spanish Portuguese Arabic DEH 546 ES CRD2579 English Spanish Portuguese Arabic Accessory Assy Screw TRZ50P080FMC x4 Screw CRZ50P090FMC x4 Screw CBA1284 Screw Assy CEA2003 Spring CBH 865 Handle CNC5395 x2 Bush CNV1009 Accessory Assy CEA2002 Polyethylene Bag CEG 127 Polyethylene Bag CEG 158 Fig 2 ...

Page 5: ...5 DEH P646 546 2 2 EXTERIOR Fig 3 ...

Page 6: ...lder CNC5968 42 Holder CNC6132 43 Holder CNC6356 44 Holder CNC7429 45 Holder See Contrast table 2 46 Insulator CNM4684 47 Heat Sink CNR1458 48 FM AM Tuner Unit CWE1485 49 Holder CNC6555 50 Case Assy CXB1063 51 Remote Control Unit CXB1225 52 Cover CNS4139 53 Chassis Unit See Contrast table 2 54 Detach Grille Assy See Contrast table 2 55 Screw BPZ20P100FZK 56 Button CAC5397 57 Button CAC5398 58 Butt...

Page 7: ...d 7 Cord Assy CDE5209 Not used 8 Cord Assy CDE5483 CDE5484 26 Cap CNV2680 Not used 27 Tuner Amp Unit CWM5622 CWM5630 37 Connector CN101 CKS3408 Not used 39 Connector CN851 CKS3597 Not used 40 Connector CN254 CKS3598 Not used 45 Holder CNC7430 CNC7434 53 Chassis Unit CXB1984 CXB1989 54 Detach Grille Assy CXB1996 CXB2006 70 Keyboard Unit CWM5636 CWM5640 71 LCD CAW1459 CAW1479 80 Grille Unit CXB1969 ...

Page 8: ...8 DEH P646 546 2 3 CD MECHANISM MODULE Fig 4 ...

Page 9: ...Unit CXA8912 42 Lever Unit CXA9300 43 Chassis Unit CXB2574 44 Screw JFZ20P025FMC 45 Connector CN101 CKS1953 46 Connector CN701 CKS2774 47 Connector CN801 CKS2196 48 Spring CBH1832 49 Spring CBH1833 50 Roller CLA2627 51 Arm CNV4136 52 Arm Unit CXA8565 53 Bracket CNC6056 54 Load Motor Unit S7 CXA8702 55 Screw JFZ20P025FMC 56 Arm CNV4120 57 Roller CNV4509 58 Gear Unit S7 CXA8701 59 Screw CBA1296 60 F...

Page 10: ...TIC DIAGRAM 3 1 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page A a A E B C D F F ...

Page 11: ...11 DEH P646 546 5 6 7 8 5 6 7 8 D C B A A A b Fig 5 ...

Page 12: ...12 DEH P646 546 1 2 3 4 1 2 3 4 D C B A A E D A a A b A a ...

Page 13: ...13 DEH P646 546 5 6 7 8 5 6 7 8 D C B A B C F A a A b A a Fig 6 F ...

Page 14: ...14 DEH P646 546 1 2 3 4 1 2 3 4 D C B A A a A b A b ...

Page 15: ...15 5 6 7 8 5 6 7 8 D C B A A a A b A b Fig 7 DEH P646 546 ...

Page 16: ...16 DEH P646 546 1 2 3 4 1 2 3 4 D C B A D E 3 2 CD MECHANISM MODULE GUIDE PAGE D a A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page E D 22 6R3 BA05SFP CXA8912 CXA8986 CXA8702 ...

Page 17: ...17 DEH P646 546 5 6 7 8 5 6 7 8 D C B A D b D Fig 8 ...

Page 18: ...18 DEH P646 546 1 2 3 4 1 2 3 4 D C B A D D a D a D b ...

Page 19: ...19 DEH P646 546 5 6 7 8 5 6 7 8 D C B A E 22 6R3 BA05SFP CXA8912 CXA8986 CXA8702 D a E D a D b Fig 9 ...

Page 20: ...20 DEH P646 546 1 2 3 4 1 2 3 4 D C B A D b D a D b ...

Page 21: ...21 DEH P646 546 5 6 7 8 5 6 7 D C B A D b D a D b 8 Fig 10 ...

Page 22: ... 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 8 CH1 TEY 0 5V div 9 CH2 TIN 0 5V div Test mode 100 tracks jump FWD 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 12cm 0 5s div 3 CH1 FIN 0 5V div 0 CH2 SIN 1V div Norm...

Page 23: ...µs div Play 8 CH1 TEY 1V div CH2 TEC 1V div Test mode Focus close Tracking open 2ms div 8 CH1 TEY 0 5V div 6 CH2 FEY 0 5V div Normal mode AGC after focus close 0 2s div PLCK 2V div 0 5µs div Play 20ms div SCKO 2V div 1µs div Play Dout 2V div 10µs div Play LRCK 2V div 20µs div VD 5V div 50ms div Normal mode No disc GND REFO REFO GND REFO REFO REFO REFO REFO REFO REFO REFO REFO GND REFO GND REFO GND...

Page 24: ...Normal mode During AGC 1ms div 8 CH1 TEY 0 2V div 9 CH2 TIN 0 5V div Normal mode During AGC 1 CH1 RFO 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 0 2ms div 1ms div 0 5ms div 3 CH1 FIN 1V div CH2 HOLD 5V div Normal mode The defect part passes 800µm 0 5ms div GND GND REFO REFO REFO REFO REFO REFO ...

Page 25: ...25 DEH P646 546 ...

Page 26: ...26 DEH P646 546 1 2 3 4 1 2 3 4 D C B A B 3 3 FM AM TUNER UNIT B A ...

Page 27: ...27 DEH P646 546 5 6 7 8 5 6 7 8 D C B A B Fig 11 ...

Page 28: ...28 DEH P646 546 1 2 3 4 1 2 3 4 D C B A C 3 4 KEYBOARD PCB A C ...

Page 29: ...29 DEH P646 546 5 6 7 8 5 6 7 8 D C B A C Fig 12 ...

Page 30: ...p Part SIDE A SIDE B CORD ASSY CN1801 C IP BUSIN ANT IN OUTPUT CORD ASSY 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 UNIT A ...

Page 31: ...31 DEH P646 546 5 6 7 8 5 6 7 8 D C B A A Fig 13 SIDE A B D F CN701 ...

Page 32: ...32 DEH P646 546 1 2 3 4 1 2 3 4 D C B A A TUNER AMP UNIT A ...

Page 33: ...33 DEH P646 546 5 6 7 8 5 6 7 8 D C B A A Fig 14 SIDE B ...

Page 34: ...34 DEH P646 546 1 2 3 4 1 2 3 4 D C B A A B FM AM TUNER UNIT B 4 2 FM AM TUNER UNIT SIDE A Fig 15 ...

Page 35: ...35 DEH P646 546 D C B A 1 2 3 4 1 2 3 B 4 FM AM TUNER UNIT B SIDE B Fig 16 ...

Page 36: ...36 DEH P646 546 1 2 3 4 1 2 3 4 D C B A 4 3 CD MECHANISM MODULE D CONTROL UNIT D CN651 A PICKUP UNIT SERVICE D PHOTO UNIT E E Fig 17 SIDE A CN801 ...

Page 37: ...37 DEH P646 546 D C B A 1 2 3 4 1 2 3 4 E Fig 18 SIDE B CONTROL UNIT D D ...

Page 38: ...38 DEH P646 546 1 2 3 4 2 3 4 D C B A C 4 4 KEYBOARD PCB SWITCH PCB KEYBOARD PCB C Fig 19 SIDE A SWITCH PCB F F 1 CN802 A ...

Page 39: ...39 DEH P646 546 1 2 3 4 1 2 3 4 D C B A KEYBOARD PCB C Fig 20 SIDE B CN801 A C F SWITCH PCB F ...

Page 40: ...16S391J R 6 RS1 16S223J R 7 RS1 16S123J R 8 RS1 16S332J R 9 RS1 16S473J R 10 RS1 16S223J R 11 RS1 16S124J R 13 RS1 16S563J R 15 RS1 16S271J R 16 RS1 16S104J R 17 RS1 16S332J R 18 RS1 16S332J R 31 RS1 16S470J R 32 RS1 16S822J R 33 RS1 16S822J R 34 RS1 16S331J R 35 RS1 16S331J R 51 RS1 16S271J R 52 RS1 16S560J R 55 RS1 16S102J R 56 RS1 16S823J R 61 RS1 16S392J R 62 RS1 16S273J R 101 RS1 16S272J R 10...

Page 41: ...211 CCSRCH101J50 C 212 CEJA470M6R3 C 213 CKSRYB103K25 C 216 CCSRCH101J50 C 217 CEJA1R5M50 C 219 CCSRCH471J50 C 220 CKSRYB103K25 C 230 CKSRYB103K25 C 231 CCSRCH330J50 C 232 CCSRCH150J50 C 233 CKSQYB104K16 C 234 CEJA330M10 C 235 CKSRYB332K50 C 236 CKSQYB473K16 C 237 CCSRCH120J50 C 239 CKSRYB472K50 C 240 CEJAR47M50 C 241 CKSQYB104K16 C 242 CEJAR47M50 C 243 CEJAR33M50 C 244 CKSQYB473K16 C 245 CKSRYB33...

Page 42: ...rri Inductor LAU2R2K L 802 Transformer MTX9006 TH 601 Thermistor CCX1037 X 501 Crystal Resonator 7 200MHz CSS1379 X 601 Resonator 12 58291MHz CSS1402 S 941 Switch CSG1046 FM AM Tuner Unit CWE1485 BZ 601 Buzzer CPV1011 RESISTORS R 101 RS1 10S620J R 102 RS1 10S101J R 103 RS1 10S101J R 104 RS1 10S222J R 105 RS1 10S122J R 106 RS1 10S122J R 107 RS1 10S181J R 108 RS1 10S181J R 109 RS1 10S153J R 110 RS1 ...

Page 43: ... RS1 10S473J R 801 RS1 8S222J R 802 RS1 8S222J R 803 RS1 8S222J R 804 RS1 10S132J R 805 RS1 10S822J R 806 RS2PMF100J R 807 RD1 4PU471J R 808 RS1 10S223J R 809 RS1 10S682J R 810 RS1 10S103J R 811 RS1 10S224J R 812 RS1 10S104J R 813 RS2PMF220J R 814 RS1 10S222J R 815 RD1 4PU152J R 851 RS1 8S471J R 852 RS1 10S473J R 853 RS1 10S223J R 854 RS1 10S223J R 855 RS1 10S103J R 856 RS1 10S223J R 857 RS1 10S27...

Page 44: ...7M35 C 284 CEJA4R7M35 C 285 CEJA1R0M50 C 286 CEJA1R0M50 C 287 CKSQYB473K25 C 288 CKSQYB473K16 C 289 CKSQYB103K50 C 301 CEJA100M16 C 302 CEJA100M16 C 362 CKSQYB103K50 C 501 CCSQCH150K50 C 502 CCSQCH150K50 C 503 CKSQYB103K50 C 504 CKSQYB103K50 C 505 CCSQCH101K50 C 506 CKSQYB103K50 C 507 CKSQYB103K50 C 508 CKSQYB102K50 C 509 CEJA220M10 C 512 CKSQYB223K50 C 514 CKSQYB473K16 C 515 CEJA220M6R3 C 516 CKS...

Page 45: ... 02VH D 923 Diode HZS7L A1 D 931 Diode ERA15 02VH D 932 Diode ERA15 02VH D 951 Diode HZS9L B3 D 952 Diode HZS9L A2 D 953 Diode 1SS133 D 971 Diode HZS9L B1 L 501 Ferri Inductor LAU2R2K L 502 Ferri Inductor LAU2R2K L 503 Ferri Inductor LAU2R2K L 601 Inductor LAU100K L 602 Ferri Inductor LAU2R2K L 603 Ferri Inductor LAU2R2K L 801 Ferri Inductor LAU2R2K L 802 Transformer MTX9006 TH 601 Thermistor CCX1...

Page 46: ... 10S103J R 925 RS1 10S473J R 926 RS1 10S472J R 927 RS1 10S224J R 941 RS1 10S102J R 942 RS1 10S822J R 951 RD1 4PU221J R 952 RD1 4PU511J R 953 RS1 10S1R0J R 954 RD1 4PU331J R 955 RD1 4PU331J R 956 RS1 10S472J R 957 RD1 4PU102J R 958 RS1 10S472J R 959 RD1 4PU102J R 960 RS1 10S472J R 961 RS1 10S103J R 962 RS1 10S473J R 963 RS1 10S473J R 971 RD1 4PU221J R 972 RS1 10S221J R 973 RS1 10S472J R 974 RS1 10S...

Page 47: ...64 Q 102 Transistor UMD2N D 701 Diode 1SR154 400 D 801 CL200IRX D 802 CL200IRX X 201 Ceramic Resonator 16 93MHz CSS1363 S 801 Switch Home CSN1028 S 802 Switch Clamp CSN1044 RESISTORS R 101 RS1 8S100J R 102 RS1 8S120J R 103 RS1 16S102J R 104 RS1 16S822J R 105 RS1 16S682J R 106 RS1 16S183J R 107 RS1 16S822J R 108 RS1 16S333J R 109 RS1 16S683J R 110 RS1 16S134J R 111 RS1 16S273J R 112 RS1 16S222J R 1...

Page 48: ...1085 S 1812 Switch CSG1041 S 1813 Switch CSG1041 S 1814 Switch CSG1041 S 1815 CSG1061 S 1816 Switch CSG1041 S 1817 Switch CSG1041 S 1818 Switch CSG1041 S 1819 Switch CSG1041 S 1820 Switch CSG1041 S 1821 Switch CSG1041 LCD CAW1459 RESISTORS R 1801 RS1 8S222J R 1802 RS1 8S222J R 1803 RS1 10S472J R 1804 RS1 10S121J R 1805 RS1 10S2R2J R 1813 RS1 10S0R0J R 1814 RS1 10S0R0J R 1816 RS1 10S0R0J R 1821 RS1...

Page 49: ...0S0R0J R 1816 RS1 10S0R0J R 1821 RS1 8S201J R 1822 RS1 8S221J R 1823 RS1 8S201J R 1824 RS1 8S221J R 1825 RS1 8S201J R 1826 RS1 8S221J R 1827 RS1 8S101J R 1828 RS1 8S121J R 1829 RS1 8S101J R 1830 RS1 8S181J R 1831 RS1 8S201J R 1832 RS1 8S221J R 1833 RS1 8S101J R 1834 RS1 8S181J R 1835 RS1 8S101J R 1836 RS1 8S181J R 1837 RS1 8S101J R 1838 RS1 8S181J R 1839 RS1 8S201J R 1840 RS1 8S221J R 1841 RS1 10S...

Page 50: ...ch Rch Rch BACK UP ACC GND 14 4V GND Antenna Jack FM AM TUNER UNIT BOTTOM VIEW C63 FM AM TUNER UNIT TOP VIEW L2 VR701 L5 TC1 T51 T31 Pin1 Pin13 Pin14 Pin26 mV Meter 1 Oscilloscope DC Regulated Power Supply L4 FM AM TUNER UNIT D503 DC V Meter 2 T51 VR154 FM SSG Stereo Modulator 50Ω 37 5Ω Antenna Plug Dummy Antenna 50Ω 75Ω Fig 21 ...

Page 51: ...the circuits to stabilize FM ADJUSTMENT FM SSG Displayed Adjustment Adjustment Method No Frequency MHz Level dBf Frequency MHz Point Switch Position TUN Volt 1 108 0 L5 DC V Meter 1 6V IF 1 98 1 M 60 98 1 T51 Center Meter 0 ANT Coil 1 98 1 M 5 98 1 L2 mV Meter 1 Maximum RF Coil 1 98 1 M 5 98 1 L4 mV Meter 1 Maximum IFT 1 98 1 M 5 98 1 T31 mV Meter 1 Maximum STEREO MODE ARC 1 98 1 S 39 98 1 VR154 m...

Page 52: ...ize Since the protective systems in the unit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment Test mode starting procedure Switch ACC back up ON while pressing the 4 and 6 keys together Test mode cancellation Switch ACC back up OFF Disc detection during loading and eject operations is performed by me...

Page 53: ... 5 T Offset Display T Bal Display Rough Servo 4 Single TR 4TR 10TR 32TR 100TR 4 00 00 00 TRK 00 00 00 TRK 1 3 99 99 99 TRK 99 99 99 TRK or 0X 0X 0X TRK Display 91 91 91 TRK 00 00 00 TRK 99 99 99 TRK or 00 00 00 TRK 99 99 99 TRK or Not AGC Servo 7 8X 8X 8X TRK 9X 9X 9X TRK or 8X 8X 8X TRK 9X 9X 9X TRK or 8X 8X 8X TRK 2 3 Display 8X 8X 8X TRK 9X 9X 9X TRK or 8X 8X 8X TRK 9X 9X 9X TRK or CRG CRG Trac...

Page 54: ...e 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 photographs sup...

Page 55: ...55 DEH P646 546 Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 56: ...to output double the frequency of LRCK 24 C16M O Pin to output the clock 25 EMPH O Output pin for the pre emphasis data in the sub Q code 26 DIN I Input pin for serial audio data 27 DOUT O Output pin for the serial audio data 28 SCKO O Output pin for the clock for the serial audio data 29 LRCK O Signals to distinguish the right and left channels of the audio data output from DOUT Frequency is 44 1...

Page 57: ...e 64 FD O Output pin for the focus drive 65 FBAL O Output pin for the focus balance control 66 TBAL O Output pin for the tracking balance control 67 A VDD Supplies current of positive voltage to the analog circuit 68 TBC I Switches coefficient banks for the tracking filter 69 EFM I Input pin for the EFM signal 70 HOLD I Input pin for the hold control signal 71 RFOK I Input pin for the RFOK signal ...

Page 58: ... GND XI 39 38 MODE SW IF FM 7 8 4 5 FM VCO AM VCO I F 40 CE 41 DI 42 CK 43 DO 2 NC NC 1 37 XO 44 28 29 FM IN 11 NC 23 VCO CRESE T IN3 REG 22bit A GND V DD 6 PD0 VREF 2 MOS I O 1 VREF2 VREFP 17 18 IF 35 VREF 2 MOS OUT AM 12 13 14 15 16 I O 5 I O 4 NC O 7 O 6 CUR REQUEST 20 LDET 21 22 19 VCC OUT1 SEL OUT2 SEL IN1 REG 31bit 4 31 DIVIDER PROGRAMABLE DIVIDER NC COUNTER 3 D GND NC DATA REGISTER 26 IF AM...

Page 59: ...output 31 SUBW1 O Sub woofer control 1 output 32 SUBW0 O Sub woofer control 0 output 33 VCK O Clock output for electronic volume 34 VST O Strobe pulse output for electronic volume 35 VDT O Data output for electronic volume 36 37 NC Not used 38 SD I SD input 39 st I FM stereo input 40 VSS GND 41 VDD Power supply 42 46 NC Not used 47 DRELAY O External relay output 48 DRSENS I Door open close sense i...

Page 60: ...9 DSCSNS I Disc detect input 80 VDSENS I VD over voltage sense input 81 TEMP I Temperature detector input 82 83 VDD Power supply 84 GND GND 85 RX I IP BUS data input 86 TX O IP BUS data output 87 GND GND 88 91 NC Not used 92 asens I ACC power sense input 93 bsens I Back up power sense input 94 TUNPDI I PLL IC data input 95 KEYDT I Display data input 96 DPDT O Display data output 97 TUNPCK O PLL IC...

Page 61: ...nnect to GND 7 NC Not used 8 KYDT O Display key data output 9 DPDT I Display key data input 10 REMIN I Remote control pulse input 11 12 NC Not used 13 16 kd4 kd1 I Key data input 17 21 ks6 ks2 O Key strobe output 22 NC Not used 23 VDD VDD 24 73 SEG0 49 O LCD segment output 74 77 COM3 0 O LCD common output 78 VLCD I LCD voltage input 79 80 V2 V1 Power supply terminal PD6197A 20 21 40 41 60 61 80 1 ...

Page 62: ...3 SEG 42 SEG 41 SEG 40 SEG 39 SEG 38 SEG 37 SEG 36 SEG 35 SEG 34 SEG 33 SEG 32 SEG 31 SEG 30 SEG 29 SEG 28 SEG 27 SEG 26 SEG 25 SEG 24 SEG 23 SEG 22 SEG 21 SEG 20 SEG 19 SEG 18 SEG 17 SEG 16 SEG 15 SEG 14 SEG 13 SEG 12 SEG 11 SEG 10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 0 0 1 2 3 SEG COM COM COM COM 0 1 2 3 COM COM COM COM ...

Page 63: ...B 2 3 C 1 4 D 1 Fig 24 Tuner Amp Unit Detach Grille Assy Detach Button Connector CD Mechanism Module 1 A 4 A A A A Fig 23 A B Removing the Chassis Unit and Tuner Amp Unit Removing the Case Not shown Removing the two screws Removing the Detach Grille Assy and CD Mechanism Module ...

Page 64: ...innermost position Home switch failed and or carriage immobile 11 ELECTRIC Focus failure Focus failed Defects disc upside down severe vibration 12 ELECTRIC SETUP failure Spindle failed to lock or subcode unreadable Subcode failure Spindle defective defect severe vibration 14 ELECTRIC Mirror failure Unrecorded CD R The disc is upside down defects vibration 17 ELECTRIC Set up failure AGC protect fai...

Page 65: ... the system See the test mode flow chart Page 53 2 Relations of keys keys Test Mode New Test Mode Regulator OFF Regulator ON PLAY in progress Error Protection BAND To Regulator ON To Regulator OFF Time Err No select FWD Kick FF TR REV Kick REV TR 1 Tracking Close Scan 2 Tracking Open RPT 3 Focus Close RDM Focus Open Jump Off 6 To New Test Mode Jump Mode select Auto Manu T No Time select Operations...

Page 66: ...66 DEH P646 546 7 3 BLOCK DIAGRAM DEH P646 ES ...

Page 67: ...67 DEH P646 546 Fig 25 ...

Page 68: ...ly Sub woofer or Front speaker Rear speaker Fuse holder Front speaker Rear speaker Front speaker Rear speaker Green Gray Left Right Green black Green red Black green Gray black Gray red Black gray Perform these connections when using a different amp sold separately One preout output is for Rear speakers The other is for a Sub woofer or Front speakers When Front speakers are connected set preout ou...

Page 69: ...ote unlock This lead may be connected to door lock systems with either positive or negative unlock triggers Door Switches The DFS Alarm s door trigger input is designed to work with either positive or negative door pin switches After hookup simply set door system type from DFS Alarm Setting Menu Domelight Delay DFS Alarm will wait for last door to close and courtesy light to turn off before Exit D...

Page 70: ...d refer to ALARM SENSOR This Product White refer to DOOR SWITCH Car battery 30A Fuse Sold separately Horn Siren etc CONTROL BATT GND OUTPUT 30A RELAY Sold separately Brown DFS Alarm Installation Positive Non grounding Type Switch Jaguar Mercedes Ford Note Set DFS Alarm to recognize positive trigger from DFS Alarm Setting Menu Set Door System to DOOR H CLS Fig 4 Installing New Pin Switches Separate...

Page 71: ... Pioneer DFS Alarm is deactivated First locate the two wires from the lock unlock switch that operate the factory door lock solenoids for the driver s side Using a meter determine which lead is used to unlock the door connect this to the white orange lead of your Pioneer Car Stereo In the DFS Alarm Setting Menu select the door lock system type according to your vehicle grounding or non grounding I...

Page 72: ...WARNING Keep the Lithium Battery out of reach of children Should the Battery be swallowed immediately consult a doctor CAUTION Do not recharge disassemble heat or dispose of battery in fire Use a CR2032 3 V Lithium Battery only Never use other types of battery with this product Do not handle the battery with metallic tools Do not store the Lithium Battery with metallic materials Dispose of the use...

Page 73: ...ge before reinserting it If a CD is inserted with the recorded side up it will be ejected automatically after a few moments If the built in CD player cannot operate properly an error message such as ERROR 14 appears on the display Refer to Built in CD Player s Error Message on page 49 Preset Tuning You can memorize broadcast stations in buttons 1 through 6 for easy one touch station recall Preset ...

Page 74: ...or the disc currently playing Playback mode Elapsed play time Disc Title Music Group Note Music Group display is a 50 Disc type Multi CD player function You cannot switch to this dis play with 6 Disc and 12 Disc type Multi CD players If you switch displays when disc titles have not been input or when discs have not been allocated to a music group NO TITLE or NO GROUP is displayed for about 8 secon...

Page 75: ...SM The BSM function stores stations in memory automatically To cancel the process press the button in the Function Menu before memorization is com plete 2 Switch the BSM ON with the button The stations with the strongest sig nals will be stored under buttons 1 6 and in order of their signal 1 Press the FUNCTION button and select the BSM mode BSM in the Function Menu 3 Select the desired Local Seek...

Page 76: ...t the Pause mode PAUSE in the Function Menu 3 When you find the desired track cancel scan play with the button If the Function Menu is automatical ly canceled at this time select the Scan mode in the Function Menu once more 2 Switch the Scan Play ON with the button 1 Press the FUNCTION button and select the Scan mode T SCAN in the Function Menu Using the Built in CD Player Repeat Play REPEAT Repea...

Page 77: ...udness contour 10 dB 100 Hz 7 dB 10 kHz volume 30 dB CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Frequency characteristics 5 20 000 Hz 1 dB Signal to noise ratio 94 dB 1 kHz IEC A network Dynamic range 90 dB 1 kHz Number of channels 2 stereo FM tuner Frequency range 87 5 108 MHz Usable sensitiv...

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