Nakamichi PDP-42 Service Manual Download Page 3

Page: 3 / 28

2. DISPLAY PANEL

2-1 Location of Major Parts

Fig.2-1 Front View

Fig.2-2 Front View (under the DISPLAY BLOCK)

DISPLAY TUBE

COOLING FAN

FAN-A PCB

FAN-B PCB

CONNECTION PCB

POWER SW PCB

FILTER PCB

POWER SUPPLY-2
PCB

POWER SUPPLY-1
PCB

REMOTE SENSOR-2
PCB

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Summary of Contents for PDP-42

Page 1: ...MECHANICAL ASS Y and PARTS LIST Control Unit 12 7 ELECTRICAL PARTS LIST Control Unit 14 8 PACKAGE ASS Y AND ACCESSORY KIT 17 9 DESK TOP STAND PARTS LIST 17 10 RECOMMENDED SPAER PARTS LIST 18 11 IC BL...

Page 2: ...Product Safety Notice Parts marked with the symbol in the schematic diagram have critical characteristics Use ONLY replacement parts recommended by the manufacturer It is recommended that the unit be...

Page 3: ...View Fig 2 2 Front View under the DISPLAY BLOCK DISPLAY TUBE COOLING FAN COOLING FAN COOLING FAN FAN A PCB FAN B PCB CONNECTION PCB POWER SW PCB FILTER PCB POWER SUPPLY 2 PCB POWER SUPPLY 1 PCB REMOTE...

Page 4: ...the DISPLAY BLOCK 1 Place the DISPLAY PANEL on the sponge pad so that the front is facing down 2 Remove the 4 retaining screws marked on the left side POWER SUPPLY 2 PCB and move the PCB to remove th...

Page 5: ...e upper side of the FRONT COVER to the display block by inserting the two thin metal plates they look like a pair of bookends between the chassis and the FRONT COVER a and b part Fig 2 7 Next carefull...

Page 6: ...ng it forward The power button will be disengaged from the Power joint 3 2 Removal Procedures 3 2 1 UPPER COVER 1 Remove five screws and detach the Upper cover from the unit 3 1 Location of Major Part...

Page 7: ...a PAL or NTSC color bar signal 1 0 Vp p output level 100 0 75 0 colour bars 2 Connect an oscilloscope to TP81 then adjust VR81 so that the waveform level is 0 66 Vp p as shown 3 3 3 B Y level adjustme...

Page 8: ...Panel Corner R554 4 8 0J08683A Angle Panel R554 4 9 0H08894A Power Button R554 1 10 0J08677A Power Button Spring 1 L01 0E04251A ST 3x6 Binding CMT L02 0E04257A BT 3x10 Binding CMT L03 0E04302A TRS40x...

Page 9: ...L BNI L03 0E04251A ST 3x6 Binding CMT L04 0E04276A BID40x06STL BNI L05 0E04271A BID30x06STL BNI L06 0E04280A BID40x30STL CMT L07 0E04251A ST 3x6 Binding CMT L08 0E04273A BID30x08STL BNI L09 0E04275A B...

Page 10: ...K10484A Fan B P C B Ass y R554 1 B 5 BK10469A Connection P C B Ass y R554 1 B 6 BK10486A Power Switch P C B Ass y R554 1 B 7 BK10482A REM P C B Ass y R554 1 L01 0E04274A BID30x08STL CMT L02 0E04251A S...

Page 11: ...444 0B12249A SID 1SS133 2 D447 448 0B12249A SID 1SS133 2 D449 450 0B12249A SID 1SS133 2 IC411 0B13300A IC NJM2058M TE2 1 IC412 0B13288A IC BU4093BF E2 1 IC413 0B13287A IC BU4066BCF E2 1 JS411 0B85737...

Page 12: ...18 25 30 22 16 7 1 21 20 28 17 10 23 6 4 24 9 8 12 3 27 12 27 2 5 14 13 26 11 L09 L09 L05 L09 L09 L06 L06 L05 L05 L07 L12 L13 L14 L06 L11 L03 L07 L07 L10 L06 L06 L06 L07 L06 L06 L06 L06 L06 L06 L06 L...

Page 13: ...0474A Main P C B Ass y R555 1 23 BK10480A REM Sensor 1 P C B Ass y R555 1 24 BK10481A LED P C B Ass y R555 1 25 BK10485A Inlet P C B Ass y Except USA CAN R555 1 BK10487A Inlet P C B Ass y USA CAN R555...

Page 14: ...A4665T 118 1 IC403 0B13290A IC CXD2053AM T6 1 IC405 0B13289A IC CXA2119M T6 1 IC406 0B13301A IC TC74HC04AF EL 1 IC407 0B13302A IC TC74HC125AF EL 1 IC408 0B13303A IC TC74HC4052AF 1 IC409 0B13294A IC LM...

Page 15: ...3 579545MHz 1 X402 0B90998A X TAL CXU 4 433619MHz 1 X403 0B91045A X TAL HC 49U20P 14 318180MHz 1 Ref No Part No Description Q ty 7 3 Digital P C B Ass y Ref No Part No Description Q ty BK10470A DIGITA...

Page 16: ...3310A LED SEL5421ETP15 2 D634 635 0B13310A LED SEL5421ETP15 2 D636 637 0B13310A LED SEL5421ETP15 2 D638 639 0B13310A LED SEL5421ETP15 2 D640 0B13310A LED SEL5421ETP15 1 L631 0B50391A COIL EL0606RA 101...

Page 17: ...S 1 0D07244A AC Cord MP2217 KR 1 0D07400A AC Cord 300SKP30 USA CAN 1 0D07401A AC Cord 300SKP4819 EP 1 0D07406A AC Cord 300S OTR 1 0D07407A AC Cord 300SKP300 JPN 1 0D07408A AC Cord 300SKP551 AUS 1 0D07...

Page 18: ...0B13306A IC TC9090AF ELP 45 0B13307A IC TDA4665T 118 46 0B13308A IC TDA8709AT 118 47 0B13278A IC TDA9143 48 0B13309A IC TLC2932IPW 49 0B13279A IC 24LC02BT SN 50 0B13280A IC 74F04SJX 51 0B13281A IC 74F...

Page 19: ...DA I O 12C bus data in out pin 17 23 Vss Digltal ground pin 18 XRST I Reset signal input pin 19 MCON I 12C bus mode select pin L not 12C bus mode 20 VDD Digital power supply pin 21 XO O Crystal connec...

Page 20: ...OSD 129 OSD DARK 130 OSD FBL 131 DATA 79 86 IC BLOCK DIAGRAMS MI COM INTERFACE I n Variable 1 2 WRITE HORIZONTAL COUNTER READ HORIZONTAL COUNTER WRITE VERTICAL COUNTER READ VERTICAL COUNTER TIM CONFIG...

Page 21: ...GNAL HANDLE SERIAL PARALLEL CHANGE BRIGHTNESS CONTRAST SHARPNESS MI COM INTERFACE TO EACH BLOCKS GCONA CONFIGURATION 8 16 16 8 8 INT_COL 64 68 IINT_HUE 58 62 CEN 20 DVD 11 INT_CR 29 34 40 INT_CB 45 52...

Page 22: ...8 OSC D V 2 3 4 1 VA VB V2 V2 VCC VCC V1 V1 COMPOSITE SYNC VIDEO INPUT VERTICAL SYNC GND DEFAULT 8 7 6 5 OCD EVEN FIELD INDEX REST BURST GATE BACK PORCH CLAMP LM1881MX Sync Separator MB90096 Multi sc...

Page 23: ...s to L when the power is turned on 34 Avcc 5 V power supply pin for the analog section 35 AVR l 5 V reference voltage input 38 HP SW l This pin turns to H when the headphone jack is inserted 39 LED CL...

Page 24: ...pin turns to L when the AL 8V is cut off 88 ENC NTSC O NTSC CCIR judge output CCIR H NTSC L 89 DVD2 O This pin turns to L when the DVD2 is selected 90 EUAV3 O This pin turns to L when the AV3 Europe...

Page 25: ...25 TC9090AF Multi color 3 line digital Y C separator TDA4665 Base band delay line All manuals and user guides at all guides com...

Page 26: ...g input interface TDA9143 I2 C bus controlled alingment free PAL NTSC SECAM decoder sync processor TLC2932IPW High quality locked loop IC BLOCK DIAGRAMS All manuals and user guides at all guides com a...

Page 27: ...RCA terminal L R AV 6 Input rear Video S2 Video terminal RCA terminal Audio RCA terminal L R AV 7 Input rear Video S2 Video terminal RCA terminal Audio RCA terminal L R DVD 1 Input rear Video Componen...

Page 28: ...ne 1 310 631 2122 Fax 1 310 631 2760 Nakamichi Asia 8 F The Grande Bldg 398 Kwun Tong Rd Kowloon Hong Kong Phone 852 2357 6690 Fax 852 2357 6697 Nakamichi Europe 8F Hayes Gate House 27 Uxbridge Road H...

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