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Pioneer CRT3820, Руководство по обслуживанию

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DEH-2950MP/XN/ES

15

5

6

7

8

5

6

7

8

C

D

F

A

B

E

FL

−

FL

+

RL

−

RL

+

BACK UP

GND

ACC

B.REM

IN1_L

IN2_L

1

IC 151

PML014A

ELECTRONIC VOLUME/

SOURCE SELECTOR

TUNL

2

7

Rear_L

B.UP

35

44

MUTE

21

23

3

5

FL

−

VCC

VCC

FL

+

RL

−

RL

+

FL

−

FL

+

RL

−

RL

+

B.REMOTE

ACC

22

IC 601(1/2)

PN5010A

AMP

IC 301

PAL007C

Q931

MUTE

CN831

VCK, VDT, VST

Q201(1/2)

Q201(2/2)

B.UP

Q821

SYSTEM MICRO

COMPUTER

ACC SENSE

3

9

11

12

10

1

3

9

11

12

10

1

6

2

2

CN901

3

9

10

11

4

13

14

12

SWVDD

SOURCE

DSENS

ILM+B

ROT1

ROT0

DPDT

KYDT

SRC

DSENS

ILL+B

ROT1

ROT0

DPDT

KYDT

SRC

33

34

ILMPW

2

ROT1

111

ROT0

110

DPDT/SELF

23

KEYDT/SELF

24

CN351

RLIn

12

DSENS

Q822

ASENS

6

Front_L

FLIn 

14

XOUT

XIN

82

X601
74.1MHz

81

Q351

MUTE

20

6

25

NC/BREM

ASENS

2

RL

6

IC 1801

PD6340A

LCD DRIVER/

KEY CONTROLLER

KEY DATA

LCD1801

3

CN1801

KEYBOARD UNIT

10

11

18

20

DPDT

KYDT

B

13

12

D1803-D1810
D1812-D1821
D1823-D1825

SWVDD

SWVDD

4

X0

X1

22

X1801
5MHz

23

KEY MATRIX

FUNC

S1817
S1821

S1818

LEFT

S1815
S1820

S1819

S1807

4

S1809

S1808

UP

S1811
S1816

RIGHT

S1813

DOWN

S1810
S1814

S1822

S1812

S1802

S1803

S1805

10
56

VLCD
VDD

9

14

17

1

3

IC1802

GP1UX51RK

REM.CON.

REM

S1801
S1804

DISP

S1806

3

AUDIO

S1823

VOLUME

PUSH:SOUCE

S1827

1

2

4

CDRESET

B.UP

BSENS

SYSPW

POWEROFF

36

47

15

SWVDD

1

16

EJECT

CLK

LOUD

2

1

6

5

EQ

BAND

SL-

62

SL-IN

IF_INA

77

IFA

IF_INB

78

IFB

FREF_A

96

REFA

FREF_B

97

REFB

LOCK

99

LDET

DI

100

DI

CK

101

CK

CE

102

CE1

DO

103

DO

CE2

109

CE2

SL

136

SLOUT

L_OUT

59

VDCONT

126

CDL

B.UP

IC 601(2/2)

PN5010A

SYSTEM MICRO

COMPUTER

4

STBY

SYSPW

B.UP

CN1802

AUX G

6

AUX L

2

SWD5V

A

UX G

1

AUX L

7

AUX-G

6

AUX-L

7

AUX-L

4

AUX-G

5

IN4+_L

IN4-_L

ILMPW

DREG

85

SWVDD

PLL_VDD

DVDD3

REGC(M)

55

9

57

DVDD2

94

DVDD4

121

MUTE

AUX IN

BU_X1

BU_X2

52

X602
4.7186MHz

51

Содержание CRT3820

Страница 1: ...D 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2006 DEH 2950MP XN ES CRT3820 CD RECEIVER DEH 2950MP XN ES DEH 2950MP XN ES1 DEH 2990MP XN ID This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 3195 CRT3815 S10 5COMP2 CD Mech Module Circuit Descriptions Mech Descriptions Disassembly For details refer to Important Check Po...

Страница 2: ...g or adjusting the emitting power of the laser diode exercise caution in order to get safe reliable results Caution 1 During repair or tests minimum distance of 13 cm from the focus lens must be kept 2 During repair or tests do not view laser beam for 10 seconds or longer This service manual is intended for qualified service technicians it is not meant for the casual do it yourselfer Qualified tec...

Страница 3: ...ide the product Please check that neither solder debris nor screws remain inside the product 8 There should be no semi 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...

Страница 4: ...2 3 4 CD MECHANISM MODULE GUIDE PAGE 24 4 PCB CONNECTION DIAGRAM 32 4 1 TUNER AMP UNIT 32 4 2 KEYBOARD UNIT 36 4 3 CD CORE UNIT S10 5COMP2 38 5 ELECTRICAL PARTS LIST 40 6 ADJUSTMENT 44 6 1 CD ADJUSTMENT 44 6 2 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT 46 6 3 ERROR MODE 48 6 4 SYSTEM MICROCOMPUTER TEST PROGRAM 49 7 GENERAL INFORMATION 50 7 1 DIAGNOSIS 50 7 1 1 DISASSEMBLY 50 7 1 2 CONNECT...

Страница 5: ...DEH 2950MP XN ES 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS DEH 2950MP XN ES DEH 2950MP XN ES1 ...

Страница 6: ...DEH 2950MP XN ES 6 1 2 3 4 1 2 3 4 C D F A B E DEH 2990MP XN ID ...

Страница 7: ...DEH 2950MP XN ES 7 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 8: ...e component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use 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 17 16 1 18 13 12 15 14 2 10 11 6 ...

Страница 9: ... 1 Installation Manual See contrast table 2 17 2 Owner s Manual See contrast table 2 17 3 Owner s Manual See contrast table 2 17 4 Caution Card CRP1310 17 5 Warranty Card See contrast table 2 17 6 Service Network See contrast table 2 18 Case Assy CXB3520 19 Battery CEX1065 Mark No Description Part No Mark No Description DEH 2950MP XN ES DEH 2950MP XN ES1 DEH 2990MP XN ID 13 Carton CHG5984 CHG6048 ...

Страница 10: ...A B E 2 2 EXTERIOR A A 7 11 12 62 23 63 25 14 13 2 2 64 22 18 20 29 24 21 28 61 16 17 15 1 1 1 1 61 4 26 27 60 38 39 39 49 39 39 51 55 54 53 52 50 46 40 41 47 57 56 43 40 58 45 44 42 48 37 33 34 10 35 8 9 3 2 59 32 36 31 30 A B 6 5 19 66 67 65 ...

Страница 11: ...ton DETACH CAC4836 31 Spring CBH2367 32 Spring CBH2961 33 Spring CBH2962 34 Cover CNN1665 35 Panel CNS8760 36 Arm CNV9311 37 Arm CNV9312 38 Detach Grille Assy 2950MP CXC7309 Detach Grille Assy 2990MP CXC7314 39 Screw BPZ20P100FTC 40 Button CAC9867 41 Button UP CAC9868 42 Button Detach CAC9941 43 Button AUDIO FUNC CAC9942 44 Button 1 6 CAC9866 45 Button DOWN CAC9945 46 Button EJECT CLOCK CAC9949 47...

Страница 12: ...DEH 2950MP XN ES 12 1 2 3 4 1 2 3 4 C D F A B E 2 3 CD MECHANISM MODULE ...

Страница 13: ...CND2584 30 Lever CND2585 31 Arm CND2586 32 Bracket CND2587 33 Arm CND2588 34 Lever CND2589 35 Holder CNV7201 36 Gear 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 CNV834...

Страница 14: ... 8EJ 7 DSCSNS 6 VCC 16 RESET 8 RESET 8 8 VREF REFO 133 REFOUT 3 3 FOM FOM 12 FOM 4 4 TOM TOM 13 TOM 22 LOEJ LOEJ 5 52 50 X201 XTAL XTAL 16 93MHz VDSENS 11 VD IN1_L IN2_L 1 ELEC SOU TUNL 2 CN401 1 2 CN651 TUNER AMP UNIT LOUT A SYS B ANTENNA IFA IFB CDRESET 3 B UP VDD 5 VD Q991 14 7 SWVDD SWD5V 6 5 IC 911 BA4918 V12 BSENS SYSPW POWEROFF 2 1 36 47 15 SWVDD 4 1 15 Q992 BRST BRXEN BSRQ BDATA BSCK 8 RES...

Страница 15: ...A LCD1801 3 CN1801 KEYBOARD UNIT 10 11 18 20 DPDT KYDT B 13 12 D1803 D1810 D1812 D1821 D1823 D1825 SWVDD SWVDD 4 X0 X1 22 X1801 5MHz 23 KEY MATRIX FUNC S1817 S1821 S1818 LEFT S1815 S1820 S1819 S1807 4 S1809 S1808 UP S1811 S1816 RIGHT S1813 DOWN S1810 S1814 S1822 S1812 S1802 S1803 S1805 10 56 VLCD VDD 9 14 17 1 3 IC1802 GP1UX51RK REM CON REM S1801 S1804 DISP S1806 3 AUDIO S1823 VOLUME PUSH SOUCE S1...

Страница 16: ...apacitor fixed values are expressed as 2 2 2R2 0 022 R022 The mark found on some component parts 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...

Страница 17: ...DEH 2950MP XN ES 17 5 6 7 8 5 6 7 8 C D F A B E A b A 10A 1K 1K 680 680 A TUNER AMP UNIT RCA ...

Страница 18: ...DEH 2950MP XN ES 18 1 2 3 4 1 2 3 4 C D F A B E A a A b A b 1 2 1K 1K 680 680 A TUNER AMP UNIT RCA ...

Страница 19: ...DEH 2950MP XN ES 19 5 6 7 8 5 6 7 8 C D F A B E A a A b A b 3 4 5 10A ...

Страница 20: ...DEH 2950MP XN ES 20 1 2 3 4 1 2 3 4 C D F A B E A b A a A a A b 1 2 1K 1K C402 R01 C CN701 VDCONT SELFOUT ROMDATA ROT1 ROT0 CE2 VCK VDT VST ...

Страница 21: ... 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 B CN1801 SYSTEM MICRO COMPUTER SYSPW SL KEYAD MODELAD KEYD F...

Страница 22: ...DEH 2950MP XN ES 22 1 2 3 4 1 2 3 4 C D F A B E 3 3 KEYBOARD UNIT B LCD DRIVER KEY CONTROLLER ...

Страница 23: ...DEH 2950MP XN ES 23 5 6 7 8 5 6 7 8 C D F A B E B LOUD FUNC B KEYBOARD UNIT A CN831 AUX INPUT ...

Страница 24: ...2 CXC4026 LOADING CARRIAGE MOTOR PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP2 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 EEPROM CD DRIVER F F T T F F T T F F T T F F T T F T S C C S S C 3 2 1 9 0 4 8 7 5 ...

Страница 25: ...DEH 2950MP XN ES 25 5 6 7 8 5 6 7 8 C D F A B E C b C C CD CORE UNIT S10 5COMP2 A CN651 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S 6 ...

Страница 26: ...DEH 2950MP XN ES 26 1 2 3 4 1 2 3 4 C D F A B E C a C b C b 1 C CD CORE UNIT S10 5COMP2 F SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE T C S ...

Страница 27: ...DEH 2950MP XN ES 27 5 6 7 8 5 6 7 8 C D F A B E C a C b C b 2 3 A CN651 6 ...

Страница 28: ... 2 3 4 C D F A B E C b C a C a C b 1 PICKUP UNIT P10 5 SERVICE SWITCHES CD CORE UNIT S10 5COMP2 S901 HOME SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF EEPROM F F T T F F T T F F T T F F T T ...

Страница 29: ...134 SPINDLE MOTOR M2 CXC4026 LOADING CARRIAGE MOTOR SWITCHES CD CORE UNIT S10 5COMP2 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 EEPROM CD DRIVER F T S C C S S C 3 2 1 9 0 4 8 7 5 ...

Страница 30: ...500 mV div 500 mV div 500 mV div 500 mV div 20 ms div FE 0FIN TE 9TIN 1 V div 500 mV div 500 mV div 500 µs div RFAGC TE 9TIN 500 mV div 500 mV div 2 ms div TE RFAGC 500 mV div 500 mV div 200 ms div 0FIN FE Source On setup operation 12 cm CD DA Source On setup operation CD DA Play operation Spindle waveform during play operation Spindle waveform during play operation Wider Focus Search waveform Tra...

Страница 31: ...1 V div 1 V div 1 V div 500 µs div RFAGC 9TIN TE 0FIN 5 V div 5 V div 5 V div 5 V div 500 ms div 1DSCSNS 28SNS 312SNS 4LOEJ 5 V div 5 V div 5 V div 500 ms div 1DSCSNS 5CLCONT 4LOEJ 12 cm CD Eject operation Analog audio waveform 12 cm CD Eject operation 8 cm CD Eject operation Black dot 800 µm during play Search operation Outter to Inner 4 Tracks Jump waveform 10 Tracks Jump waveform 32 Tracks Jump...

Страница 32: ...pacitor Connector P C Board Chip Part SIDE B SIDE A 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 FRONT CORD ASSY C CN701 B CN1801 ...

Страница 33: ...DEH 2950MP XN ES 33 5 6 7 8 5 6 7 8 C D F A B E A SIDE A FRONT REAR OUTPUT ANTENNA FM AM TUNER UNIT ...

Страница 34: ...DEH 2950MP XN ES 34 1 2 3 4 1 2 3 4 C D F A B E A A TUNER AMP UNIT TESTIN SCET ...

Страница 35: ...DEH 2950MP XN ES 35 5 6 7 8 5 6 7 8 C D F A B E A SIDE B ...

Страница 36: ...H 2950MP XN ES 36 1 2 3 4 1 2 3 4 C D F A B E 4 2 KEYBOARD UNIT B SIDE B SIDE A B KEYBOARD UNIT B KEYBOARD UNIT A CN831 CLOCK EJECT LOUD 6 5 4 3 2 1 FUNCTION BAND SOURCE VOLUME AUDIO EQ DISPLAY AUX INPUT ...

Страница 37: ...DEH 2950MP XN ES 37 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 38: ...DEH 2950MP XN ES 38 1 2 3 4 1 2 3 4 C D F A B E 4 3 CD CORE UNIT S10 5COMP2 C SIDE A C CD CORE UNIT S10 5COMP2 PICKUP UNIT P10 5 SERVICE A CN651 M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR ...

Страница 39: ...DEH 2950MP XN ES 39 5 6 7 8 5 6 7 8 C D F A B E C SIDE B C CD CORE UNIT S10 5COMP2 ...

Страница 40: ...32 B 74 8 Diode FTZ6R8E D 901 A 48 110 Diode MPG06G 6415G3 D 902 A 48 107 Diode MPG06G 6415G3 D 911 A 50 80 Diode MPG06G 6415G3 D 912 A 44 80 Diode MPG06G 6415G3 D 931 A 64 109 Diode HZS7L A1 D 991 A 18 113 Diode HZS7L C3 L 151 A 136 106 Inductor LAU2R2K L 401 A 148 82 Inductor LAU2R2K L 402 A 144 98 Inductor LAU2R2K L 407 B 164 66 Inductor CTF1473 L 601 B 117 22 Inductor CTF1389 L 602 A 151 25 In...

Страница 41: ...79 23 RD1 4PU222J R 834 A 82 23 RD1 4PU222J R 835 A 60 21 RD1 4PU222J R 837 A 75 19 RD1 4PU103J Circuit Symbol and No Part No R 839 A 87 14 RD1 4PU222J R 840 A 85 14 RD1 4PU222J R 841 B 73 27 RS1 16S104J R 873 B 138 24 RS1 16S103J R 874 B 138 31 RS1 16S103J R 931 B 105 40 RS1 16S104J R 932 B 60 100 RS1 16S223J R 933 A 69 106 RD1 4PU102J R 934 B 65 113 RS1 16S472J R 935 B 60 115 RS1 16S473J R 991 A...

Страница 42: ...6 LED 2950MP CL 195SR CD A 38 126 LED 2990MP CL 195PG CD D 1808 A 38 116 LED 2950MP CL 195SR CD A 38 116 LED 2990MP CL 195PG CD D 1809 A 38 73 LED 2950MP CL 195SR CD A 38 73 LED 2990MP CL 195PG CD D 1810 A 23 150 LED NESW505C 5273 D 1812 A 32 9 LED 2950MP CL 195SR CD A 32 9 LED 2990MP CL 195PG CD D 1813 A 20 19 LED 2950MP CL 195SR CD A 20 19 LED 2990MP CL 195PG CD D 1814 A 38 84 LED 2950MP CL 195S...

Страница 43: ...473J R 235 A 25 63 RS1 16SS473J R 239 B 26 48 RS1 16SS473J Circuit Symbol and No Part No R 240 B 10 31 RS1 16SS473J R 241 B 9 32 RS1 16SS103J R 243 A 35 69 RS1 16S0R0J R 244 A 20 52 RS1 16SS473J R 255 A 27 63 RAB4CQ104J R 307 A 34 19 RS1 16SS183J R 308 A 38 20 RS1 16SS183J R 309 A 35 21 RS1 16SS183J R 310 A 38 21 RS1 16SS183J R 601 B 28 38 RS1 16SS0R0J R 602 B 27 41 RS1 16SS0R0J R 606 B 23 41 RS1 ...

Страница 44: ...re protections will not work Avoid applying any mechanical or electrical shock to the mechanism during adjustment The 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 th...

Страница 45: ...e S Curve Rough Servo and RF AGC F T RF AGC 4 SPDL 1X 2X switching As for the double speed 2x audio output cannot be supported 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 ...

Страница 46: ...de load the disc and switch the 3 V regulator on 2 Using the and buttons move the PU unit to the innermost track 3 Press key 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 oscil...

Страница 47: ...DEH 2950MP XN ES 47 5 6 7 8 5 6 7 8 C D F A B E Grating waveform 45 0 75 60 30 90 Ech Xch 20 mV div AC Fch Ych 20 mV div AC ...

Страница 48: ... or CRG move mechanism Communication error between microcomputer and SERVO LSI 11 Electricity Focus Servo NG Focusing 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 foun...

Страница 49: ...e panel installed the ACC switched ON the standby mode cancelled shift the TESTIN IC601 Pin 112 terminal to H The clock signal is output from the SCET IC601 Pin 43 terminal The frequency of the clock signal is 1 Hz The clock signal should be 1 Hz 0 000 04 Hz If the clock signal is out of the range the X tal X601 should be replaced with new one ...

Страница 50: ...1 Remove the Case CD Mechanism Module 1 1 1 1 Fig 2 Tuner Amp Unit Removing the Tuner Amp Unit Fig 2 Remove the two screws 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 2 2 3 3 4 Remove the two screws 2 Straighten the tabs at two locations indicated 3 Remove the two screws and then remove the T...

Страница 51: ...the mechanism remove the two Springs A the six Springs B and the four Screws 2 Turn the Upper Frame using the part 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 ...

Страница 52: ...the SW in a clamped state so as not to damage it How to remove the Pickup Unit 1 Make the system in the carriage mechanism 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...

Страница 53: ... 8 5 6 7 8 C D F A B E 7 1 2 CONNECTOR FUNCTION DESCRIPTION Pin No 1 2 3 4 5 6 7 8 B UP GND ACC NC NC B REM NC NC Pin No 9 10 11 12 13 14 15 16 RL FL RL FL RR FR RR FR ANTENNA REAR OUTPUT 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 ...

Страница 54: ..._R IN4 _R Front_R Rear_R STB CLK DATA Block Diagram Isolator Isolator Auto Zero Gain Adjuster Input Selector TRE BASS LOUDNESS 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 Vo...

Страница 55: ...3 S GND 14 IN4 15 IN3 16 AC GND 17 OUT3 18 P GND3 19 OUT3 20 VCC 21 OUT4 22 MUTE 23 OUT4 24 P GND4 SWITCH 25 Offset Detection Offset Detection Offset Detection Offset Detection Protector Over current limit sw_vcc stby Protector Short circuit Mute circuit amp_vcc Stand by Circuit Protector Over voltage sw_vcc Protector Thermal Reference amp_vcc ...

Страница 56: ... BUS Reception enable input output P BUS Service request input P BUS Serial data input Test data input P BUS Serial data output P BUS Serial clock output Test data clock synchronizer output Data output for display microcomputer Data output for self writing Key data input from display microcomputer Data input for self writing Not used GHC for external VDD for external Source key Detach sense input ...

Страница 57: ...Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUNER only Terminal for TUN...

Страница 58: ...otection TSD OFF except VDD Pre Reg Vref Overvoltage Protection All Ourput OFF B B B B VDD Reduced voltage Detection B VDD Overvoltage Detection BA4918 V12 PN5010A 144 37 72 109 36 73 108 1 Format Meaning C CMOS N Nch open drain Pin No Pin Name I O Function and Operation 136 137 140 141 142 143 144 SL NC MODELAD KEYAD NC AVREF0 I I I Format Signal level input Not used Model select terminal Wired r...

Страница 59: ...ve power supply 11 14 KST3 0 O Key strobe output 15 16 KDT0 1 I Key data input analogue input 17 REW I Remote control reception 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...

Страница 60: ...ower supply for A D converter Ground for A D converter Flash writing control terminal Internal microcomputer reset terminal Pull down Not used Chip check test program start up input Not used P BUS Serial data input P BUS Serial data output P BUS Serial clock input output Tx for flash rewriting Rx for flash rewriting P BUS Reception enable input output P BUS Service request input Not used Flash sel...

Страница 61: ...audio serial I F clock output 3 wire audio serial I F data output Servo monitor input output 0 2 Servo monitor input output 3 Ext MCK IN DRAM CLOCK DRAM CS DRAM CKE output Output of DRAM RAS DRAM Lower CAS LDQM output DRAM Upper CAS UDQM output Output of DRAM WE DRAM OE CAS output Input output of DRAM data0 15 Ground for I O terminal Power supply for I O terminal Output of DRAM address0 11 Output ...

Страница 62: ...9 MUTE Mute control pin 10 POWVCC1 Power supply pin for CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 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 Po...

Страница 63: ...k 11 REFINA I I I I I Reference Signal Input reference signal for PLL part with FE_IC 12 REFINB Reference Signal Input reference signal for PLL part with FE_IC 13 LDET Lock Detector PLL lock detecter output High active 14 VDD O Power Supply Power supply for Digital block D C 3 3 V 0 2 V 15 DI Data In 16 CK CK 17 CE1 Chip Enable 1 Chip enable for FE_IC High active 18 DO O Data Out Data output 19 CE...

Страница 64: ...DEH 2950MP XN ES 64 1 2 3 4 1 2 3 4 C D F A B E 7 2 2 DISPLAY LCD CAW1930 SEGMENT COMMON ...

Страница 65: ...DD H Pin 1 Source keys operative Completes power on operation After that proceed to each source operation SYSPW H Pin 15 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 ...

Страница 66: ...DEH 2950MP XN ES 66 1 2 3 4 1 2 3 4 C D F A B E 8 OPERATIONS ...

Страница 67: ...DEH 2950MP XN ES 67 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 68: ...DEH 2950MP XN ES 68 1 2 3 4 1 2 3 4 C D F A B E CXX2204 ...

Страница 69: ...DEH 2950MP XN ES 69 5 6 7 8 5 6 7 8 C D F A B E ...

Страница 70: ...leaning tools Portions to be cleaned Cleaning tools g CD pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 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 ...

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