Pioneer DEH-1850 Service Manual Download Page 12

Page: 12 / 62

DEH-1850/XN/ES

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

PICKUP UNIT
(P10.5)(SERVICE)

CD CORE UNIT(S10.5)

BRST,BRXEN,BSRQ

CN702

Q101

LASER
DIODE

MONITOR

DIODE

S903

DSCSNS

LD-

HOLOGRAM

UNIT

IC301

BA5839FP

DRIVER

LOUT

CN101

VO3(-)

VO3(+)

VO4(-)

VO4(+)

LDIN

LOUT

MUTE

AC,BD

F,E

S901

HOME

PA1/12SNS

PA4/CONT

PA6/LOEJ

PA0/HOME

VDD

PB1/VDCONT

CD CONTROLLER

IC201

PE5497B

PC7/CDMUTE

VDD

BDATA,BSCK

VDD

FOCUS ACT.

TRACKING ACT.

FOP

TOP

1 TOP

FOP

VO1(-)

VO2(+)

VDCONT

X201

XTAL

/XTAL

PA2/8SNS

PA3/DSCSNS

RESET

/RESET

CDMUTE

VREF

REFO

REFOUT

FOM

VO1(+)

TOM

VO2(-)

CNT

PA5/CLCONT

16.93MHz

Q102

VDD

VCC

PA7/CD3V

FD,TD

SD,MD

V+3A

TUN_Lch

CD_Lch

SYSTEM

CN401

CN651

TUNER AMP UNIT

LOUT

TUN 3.3V

VCC(SYS 8V)

VDD

ANTENNA

TUNPDI

TUNPCK

TUNPDO

BRST,BRXEN,BSRQ

BDATA,BSCK

CD VD

VDCONT

IC962

BD7802FP

CD 3V REGULATOR

B.UP

Q991

Q992

VDD

RESET

FM/AM TUNER UNIT

FMRF

ANT adj

RF adj

FM ANT

T51

CF52

RFGND

OSCGND

DGND

AUDIOGND

VCC

VDD_3.3

3.3V

2.5V

IC 4

3.3V

2.5V

←

IC 2

2.5V

CE2

ROM_VDD

CE1

7 6

10 9 8

18 19

IC 1

3.3V

AM ANT

FMRF

ATT

LPF

OSC

IC 3 EEPROM

5.0V

IC 5

3.3V

←

ATT

MIXER, IF AMP

DET, FM MPX

Rch

Lch

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for DEH-1850

Page 1: ...LAYER WITH FM AM TUNER DEH 1850 XN ES This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3166 CRT3582 S10 5STD CD Mech Module Circuit Descriptions Mech Descriptions Disassembly For details refer to Important Check Points for Good Servicing K ZZA NOV 2005 Printed in Japan www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 ...

Page 2: ...ician Service Precaution 1 You should conform to the regulations governing the product safety radio and noise and other regulations and should keep the safety during servicing by following the safety instructions described in this manual 2 Before disassembling the unit be sure to turn off the power Unplugging and plugging the connectors during power on mode may damage the ICs inside the unit 3 To ...

Page 3: ...emi broken wires scratches melting etc on the coating of the power cord Damaged power cords may lead to fire accidents so please be sure that there are no damages If you find a damaged power cord please exchange it with a suitable one 9 There should be no spark traces or similar marks on the power plug When spark traces or similar marks are found on the power supply plug please check the connectio...

Page 4: ...CORE UNIT S10 5 32 5 ELECTRICAL PARTS LIST 34 6 ADJUSTMENT 38 6 1 CD ADJUSTMENT 38 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 40 6 3 ERROR MODE 42 6 4 SYSTEM MICROCOMPUTER TEST PROGRAM 43 7 GENERAL INFORMATION 44 7 1 DIAGNOSIS 44 7 1 1 DISASSEMBLY 44 7 1 2 CONNECTOR FUNCTION DESCRIPTION 47 7 2 PARTS 48 7 2 1 IC 48 7 2 2 DISPLAY 56 7 3 OPERATIONAL FLOW CHART 57 8 OPERATIONS 58 www xiao...

Page 5: ... 1 SPECIFICATIONS www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...se parts of identical designation Screw adjacent to mark on the product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate 15 18 11 12 13 16 1 6 10 9 8 7 5 4 2 17 14 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q...

Page 7: ...n Box CHL5639 14 Protector CHP2664 15 Protector CHP2868 16 1 Owner s Manual CRD4039 16 2 Installation Manual CRD4030 16 3 Caution Card CRP1310 17 Cord Assy XDE7008 18 Case Assy CXB3520 Mark No Description Part No Part No Language CRD4039 English Spanish Portuguese B Traditional Chinese Arabic CRD4030 English Spanish Portuguese B Traditional Chinese Arabic www xiaoyu163 com QQ376315150 9 9 2 8 9 4 ...

Page 8: ...E 2 2 EXTERIOR 59 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 9: ...6276 32 Panel CNS8404 33 Arm CNV4692 34 Arm CNV4728 35 Arm CNV5576 36 Screw IMS20P030FTB 37 Detach Grille Assy CXC5235 38 Screw BPZ20P100FTB 39 Button DETACH CAC9382 40 Button VOLUME CAC9384 41 Button CLOCK 1 6 LOCAL BSM AUDIO CAC9385 42 Button EJECT CAC9389 43 Panel CNS8389 44 Button EQ LOUDNESS CAC9390 45 Button SOURCE BAND CAC9383 46 Spring CBH2210 47 Cover CNS8367 48 LCD CAW1905 49 Connector C...

Page 10: ...3 CD MECHANISM MODULE www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 11: ...CNV7207 37 Gear CNV7208 38 Gear CNV7209 39 Gear CNV7210 40 Gear CNV7211 41 Gear CNV7212 42 Rack CNV7214 43 Arm CNV7216 44 Roller CNV7218 45 Gear CNV7219 46 Guide CNV7361 47 Gear CNV7595 48 Guide CNV7799 49 Arm CNV7805 50 Rack CNV8342 51 Roller CNV8343 52 Holder CNV8344 53 Arm CNV8345 54 Guide CNV8347 55 Arm CNV8348 56 Arm CNV8349 57 Arm CNV8350 58 Clamper CNV8365 59 Arm CNV8386 60 Guide CNV8396 61...

Page 12: ... 3 3 FOM FOM 12 VO1 4 4 TOM TOM 13 VO2 21 CNT PA5 CLCONT 40 16 93MHz Q102 VDD 12 12 VCC VCC 42 PA7 CD3V FD TD SD MD V 3A 1 E TUN_Lch 2 CD_Lch SYSTEM CN401 1 2 CN651 TUNER AMP UNIT LOUT A TUN 3 3V VCC SYS 8V VDD ANTENNA TUNPDI IC PE TUNPCK TUNPDO BRST BRXEN BSRQ BDATA BSCK CD VD VD VDCONT IC962 BD7802FP CD 3V REGULATOR 1 3 5 19 12 10 13 11 B UP Q991 20 Q992 VDD RESET NC 36 FM AM TUNER UNIT FMRF ANT...

Page 13: ... UP SYS 8V REG TUNPDI CE1 CE2 SL TUNPCK Q912 DALMON 32 B UP 6 20 6 4 8 3 5 7 6 4 8 3 SOURCE 5 1V SWVDD SRC DSENS ILM DPDT KYDT S1805 SWVDD 21 66 DSENS 65 ILMPW 22 DPDT 9 KYDT 8 RLch CN352 2 FLIn 14 Q822 DSENS SOURCE SWVDD BSENS ASENS X1 X2 70 X601 12 58291MHz 69 KEY DATA X0 X1 22 X1801 5MHz 23 Q352 KEY MATRIX EJECT S1819 S1829 BAND S1820 AUDIO S1818 S1838 DISP LOUD S1826 S1827 VOL S1807 CLOCK S180...

Page 14: ...indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation 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 C CN702 FM AM TUNER UNIT CDRESET SOURCE STRKEY2 www xiaoyu163...

Page 15: ...ER AMP UNIT 2 600 H CDRESET SOURCE STRKEY2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 16: ... 1 2 3 C CN702 FM AM TUNER UNIT SOURCE www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 17: ... to use parts of identical designation 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 FM AM TU CDRESET STRKEY2 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376...

Page 18: ...3 CEK1208 10A A TUNER AMP UNIT 600µH www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 19: ... A b 4 5 CEK1208 10A 600µH www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 20: ...UNIT B LCD DRIVER B KEYBOARD UNIT www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 21: ... B E B A CN831 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 22: ...4026 LOADING CARRIAGE MOTOR CD DRIVER SWITCHES CD CORE UNIT S10 5 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www x...

Page 23: ... LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S CD DSP www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 24: ...0 mV div 500 mV div Focus Search waveform Ref REFO Mode TEST RFAGC TE 9 TIN 1 V div 500 mV div 500 mV div 500 µs div Ref REFO Mode TEST TE RFAGC 500 mV div 500 mV div 2 ms div Track Open waveform 1 Track Jump waveform Ref REFO Mode TEST 7 SIN 8 CIN 9 TIN 1 V div 500 mV div 500 mV div 12 cm CD DA setup operation after loading Source On setup operation Ref REFO Mode Normal TE FE 500 mV div 500 mV di...

Page 25: ...g play Ref GND Mode Normal RFAGC TE 8 CIN 7 SIN 1 V div 1 V div 500 mV div 2 V div 200 ms div Search operation Outter to Inner Ref REFO Mode Normal 1 DSCSNS 2 8SNS 3 12SNS 4 LOEJ 5 V div 5 V div 5 V div 5 V div 500 ms div 1 DSCSNS 2 8SNS 3 12SNS 4 LOEJ 5 V div 5 V div 5 V div 5 V div 500 ms div Ref GND Mode Normal LOUT ROUT 1 V div 1 V div 200 µs div Analog audio waveform 12 cm CD Eject operation ...

Page 26: ...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 CN651 B CN1801 C CN702 CORD ASSY 3 2 1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoy...

Page 27: ...ACK REAR OUTPUT FM AM TUNER UNIT 1 4 2 3 2 1 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 28: ...ER AMP UNIT IC151 TEST PCL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 29: ... A SIDE B IC963 EST www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 30: ...9 R1807 R1811 A CN831 VOL VOL EQ DISP LOUD CLOCK 1ch 2ch 3ch 4ch RDM 5ch RPT 6ch PAUSE LOC LEFT RIGHT EJECT SOURCE AUDIO BAND www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 31: ...D F A B E www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 32: ...ADING CARRIAGE MOTOR M1 SPINDLE MOTOR F E REFO1 PICKUP UNIT P10 5 SERVICE A CN651 HOME 1 2 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 33: ...C103 C205 C709 C301 Q102 Q103 Q101 12EJ 8EJ DSCSNS www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 34: ... UMD2N D 551 A 62 124 Diode MPG06G 6415G3 D 552 A 59 124 Diode MPG06G 6415G3 D 901 A 35 131 Diode MPG06G 6415G3 D 902 A 35 128 Diode MPG06G 6415G3 D 911 A 21 106 Diode MPG06G 6415G3 D 912 A 18 120 Diode HZS6L B2 D 921 A 24 87 Diode HZS9L B3 D 931 A 69 115 Diode HZS7L C3 D 932 A 54 108 Diode HZS7L A1 D 961 A 56 74 Diode 1SS133 D 991 A 20 66 Diode HZS7L C3 L 151 A 146 93 Inductor LAU2R2K L 401 A 157...

Page 35: ...nd No Part No C 306 B 131 114 CKSRYB474K10 C 307 B 134 124 CKSRYB474K10 C 308 B 126 109 CKSRYB474K10 C 309 B 136 132 CKSQYB225K10 C 310 B 137 136 CKSQYB225K10 C 312 A 104 125 CEJQ100M16 C 313 B 100 142 CKSRYB104K16 C 353 A 134 120 CEJQ2R2M50 C 354 A 134 110 CEJQ2R2M50 C 401 B 160 69 CKSRYB103K50 C 402 B 154 59 CKSRYB103K50 C 403 A 151 58 CEJQ470M6R3 C 404 A 151 95 CEJQ101M10 C 405 B 167 97 CKSRYB1...

Page 36: ...52 50 RS1 16SS562J R 218 A 52 53 RS1 16SS472J R 232 A 29 63 RS1 16SS0R0J R 235 A 41 34 RS1 16SS103J R 236 A 41 33 RS1 16SS103J R 237 B 29 51 RS1 16SS221J R 240 B 25 48 RS1 16SS473J R 242 A 33 36 RS1 16SS103J R 243 A 32 36 RS1 16SS473J R 245 B 28 54 RS1 16SS104J R 246 A 49 43 RS1 16SS103J R 252 B 28 56 RS1 16SS104J R 253 B 28 55 RS1 16SS104J R 254 B 36 52 RS1 16SS104J R 260 B 26 44 RS1 16SS103J R 2...

Page 37: ...up Unit P10 5 Service CXX1942 M 1 Motor Unit SPINDLE CXC6742 M 2 Motor Unit LOADING CARRIAGE CXC4026 Circuit Symbol and No Part No www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 38: ...e RFI and RFO signals with a wide frequency range are easy to oscillate When observing the signals insert a resistor of 1k ohms in series The load and eject operation is not guarantied with the mechanism upside down If the mechanism is blocked due to mistaken eject operation reset the product or turn off and on the ACC to restore it 2 Test mode This mode is used to adjust the CD mechanism module T...

Page 39: ...2 RF Gain switching Offset adjustment display T Balance adjustment T Open 3 F Close S Curve Rough Servo and RF AGC F T RF AGC 4 5 Error Rate measurement ON ERR 30Counts Start BER display data 6 F Mode switching Tracking Close CRG TR Jump Switching After the Eject key is pressed keys other than the Eject key should not be pressed until disc ejection is complete When the key 2 or 3 is pressed during...

Page 40: ...3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjustment the display should now read 81 Press key 3 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 difference is within 75 Refer to the photographs supplied to determine the phase angle 5 If ...

Page 41: ... 30 90 Ech Xch 20mV div AC Fch Ych 20mV div AC www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 42: ...ng not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Subcode NG Failure on spindle stains or damages on disc or excessive vibrations A disc not containing CD R data is found Turned over disc are found though rarely CD signal error 17 Electricity Setup NG AGC protection doesn t work Focu...

Page 43: ...he PCL terminal IC601 Pin 14 The frequency of the clock signal is 786 432 kHz that is one 16th of the fundamental frequency The clock signal should be 786 432 kHz 31 5 Hz If the clock signal is out of the range the X tal X601 should be replaced with new one www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299...

Page 44: ...Remove the screw 1 Remove the four screws Disconnect the connector and then remove the CD Mechanism Module 2 Release the two latchs and then remove the Grille Assy 2 2 1 2 2 2 3 3 3 Remove the three screws 2 Straighten the tabs at three locations indicated and then remove the Tuner Amp Unit 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TE...

Page 45: ...a as a pivot and remove the Upper Frame 3 While lifting the Carriage Mechanism remove it from the three Dampers Caution When assembling be sure to apply some alcohol to the Dampers and assemble the mechanism in a clamped state 1 Hold the Upper and Lower Frames 2 Do not hold the front portion of the Upper Frame because it is not very solid www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 1394229...

Page 46: ...chanism mode and have it clamped 2 Remove the CD Core Unit and remove the leads from the Inner Holder 3 Remove the Poly Washer Change Arm and Pickup Lock Arm 4 While releasing from the hook of the Inner Holder lift the end of the Feed Screw Caution When assembling move the Planet Gear to the load eject position before setting the Feed Screw in the Inner Holder Assemble the sub unit side of the Pic...

Page 47: ...n No 9 10 11 12 13 14 15 16 RL FL RL FL RR FR RR FR 16 2 1 15 14 13 12 11 10 9 8 7 6 5 4 3 REAR OUTPUT ANTENNA JACK www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 48: ...t program input Bus serial data input Bus serial output data Bus serial clock output Not used Not used Display microcomputer chip select output Illumination power output Not used Output for dark current reduction circuit Stand by mode L output GND Bus reset output Bus RX enable input output CD microcomputer reset signal output ROM collection data output ROM collection clock output ROM collection c...

Page 49: ... Protector Thermal Reference amp_vcc PAL007B 69 70 71 72 73 74 75 76 77 78 79 80 X2 1 IC VPP NC VSS AVDD AVREF1 SL NC BSRQ STRKEY1 I I I Crystal oscillator connection pin GND Not used VSS VDD VDD Signal level input Not used Bus slave service request Wired remote control input 1 Pin No Pin Name I O Function and Operation IC s marked by are MOS type Be careful in handling them because they are very ...

Page 50: ...SS Secondary Volume Front_R Rear_R Front_L Rear_L Anti Radiation Filter Anti Alias Filter Primary Volume Digital Block IN1_L IN2_L IN3_L IN4 _L IN4 _L IN4 _R IN4 _R IN3_R IN2_R IN1_R STB DATA CLK GND Vcc Vref MID Secondary Volume Supply Reference Secondary Volume Secondary Volume PML014A www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 139...

Page 51: ...eption input 18 DPDT I Display data input 19 NC Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 I Key data input 27 NC Not used 28 KST4 O Key strobe output 29 32 NC Not used 33 55 SEG35 13 O LCD segment output 56 VDD Power supply 57 64 SEG12 5 O LCD segment output PD6340A 49 48 33 32 17 16 1 64 w...

Page 52: ...t Ground for Audio DAC Capacitor connection for regulator RF amp Ground for Audio DAC L channel audio signal output Power supply for Audio DAC Selected to ICE Power supply for the crystal oscillator Crystal connection Ground for the crystal oscillator Crystal connection Programming power supply Power supply for digital circuits Power supply for the CPU Ground for digital circuits Ground for the CP...

Page 53: ...s connection for RF amp Impedance connection to RF amp for negative feedback Impedance connection to RF amp for negative feedback Ground for the analog system Power supply for the analog system Error signal input Error signal input Error signal input Error signal input Reference output Impedance connection to focus error amp for negative feedback Focus error amp output A D converter input Impedanc...

Page 54: ...ut 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 Driver CH2 Positive output 16 VO3 Driver CH2 Negative output 17 VO4 Driver CH4 Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Power stage 20 GND Ground pin 21 CNT Control pin 22 LDIN Loading input 23 OPOUTSL Output pin for preamplifier for thread 24 OPINLSL Input pin for preampli...

Page 55: ... pin 13 is connected with a power supply of micro computer 14 DO O data out Data output 15 DGND digital ground Ground of digital block 16 NC non connection Not used 17 VDD_3 3 power supply The power supply for digital block 3 3V 0 2V 18 NC non connection Not used 19 NC non connection Not used 20 NC non connection Not used 21 NC non connection Not used 22 AUDIOGND audio ground Ground of audio block...

Page 56: ... SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 SEG 0 SEG39 COM 3 COM 2 COM 1 COM 0 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 c...

Page 57: ...ration SYSPW H Pin 43 Starts communication with Grille microcomputer Source ON 300 ms 300 ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300 msec the oscillator may be defective www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 1394229651...

Page 58: ...B E 8 OPERATIONS www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 59: ...Panel Function use the supplied fixing screws and fix the front panel to this unit Fixing screw CXX1982 Fixing screw CXX1982 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 60: ...D F A B E www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 61: ...D F A B E www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 62: ...08 g p p Jigs List Test Disc L P F TCD 782 Checking the grating g g g Checking the grating g g g Two pieces Name Jig No Remarks Grease List Grease Grease GEM1024 GEM1045 CD Mechanism Module CD Mechanism Module Name Grease No Remarks www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 37631...

Search results

Summary of Contents for DEH-1850

Reviews:

Related manuals for DEH-1850

Brands by name

Popular brands

Pioneer DEH-1850, Service Manual

Search results

Summary of Contents for DEH-1850

Reviews:

Related manuals for DEH-1850

Brands by name

Popular brands