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Sony D-V7000, Service Manual

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Sony D-V7000 Service Manual Download Page 18

– 34 –

IC502

MPC17A38ZVMEL

IC501

CXA1791N

+
–

+
–

APC

PD AMP

APC

LD AMP

VREF

1.25V

1

LD

2

PD

VC

–
+

RF

IV AMP1

3

PD1

VC

VC

–
+

RF

IV AMP2

4

PD2

VC

VC

–
+

RF

SUMMING AMP

VC

–
+

FOCUS

ERROR AMP

18 RFI

19 APC ON

20 VCC

VCC

17 RFO

16 FE

15 FE BIAS

–
+

F

IV AMP

6

F

VC

VC

–
+

TRACKING

ERROR AMP

14 TE

VC

5

GND

–
+

E

IV AMP

7

E

VC

13 EI

12 EO

VC

8

VR

VC

10

NC

11 NC

VC

9

–

+

VCC

VC BUFFER

15

13

12

11

DC/DC

CONVERTER

CLK

DETECTOR

PRE-DRIVER

CONTROL

DRIVER

PRE-DRIVER

CONTROL

DRIVER

PRE-DRIVER

CONTROL

DRIVER

PRE-DRIVER

CONTROL

DRIVER

36

35 34 33

32 31 30 29

28 27

26 25 24

23

22 21

20 19

18

17

16

1

2 3 4

5 6 7 8 9 10

14

VC

VC

VC

VC

VC

VC

VC

VC

VC

VC

PI4

PGND

PGND

RO3

VD

RO4

PGND

FO4

VD

F/R4

FO3

VD

FI3

RI3

VG

GND

PS

OE

RI2

FI2

VD

FO2

VD

RO2

PGND

RO1

PGND

PGND

FO1

VD

FI1

RI1

GND

CLK

VC

LG

CLOCK

Summary of Contents for D-V7000

Page 1: ...OFILM SERVICE MANUAL Model Name Using Similar Mechanism NEW CD Mechanism Type CDM 2401AAA Optical Pick Up Name DAX 01A2 PORTABLE VIDEO CD PLAYER E Model Chinese Model SPECIFICATIONS D V7000 Ver 1 1 2000 02 ...

Page 2: ...h the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be dam aged by heat SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK OR DOTTED LINE WITH MARK ON ...

Page 3: ...mal operation of the equipment emission of the laser diode is prohibited unless the upper lid is closed while turning ON the S401 push switch type The following two checking methods for the laser diode are oper able Method 1 In the service mode or normal operation Emission of the laser diode is visually checked 1 Open the upper lid 2 Push the S401 as shown in Fig 1 3 Press the key 4 Check the obje...

Page 4: ... 4 SECTION 2 GENERAL This section is extracted from instruction manual ...

Page 5: ...5 3 1 CABINET UPPER ASSY Note Follow the disassembly procedure in the numerical order given SECTION 3 DISASSEMBLY 3 cabinet upper assy 2 two claws 2 claw 2 claw 2 claw 1 two screws 2 8 1 three screws 2 8 ...

Page 6: ...ng open 3 Push the open button 4 Open the lid block assy upper 5 shaft 7 Pull up the lid block assy upper to direction of arrow B 8 Remove the lid block assy upper to direction of arrow C 6 Close the lid block assy upper to direction of arrow A B C A ...

Page 7: ...eration Each key Function in Test Mode 1 CD DA Test Mode 2 VIDEO CD Test Mode MAIN Board Side A Fig 1 Test terminal location and connecting position Switches Description p Stop processing POWER OFF Press once Initialize Average Correct Press twice Auto Focus PLAY PAUSE Press 3 times Focus Auto Gain Press 4 times Tracking Auto Gain Press 5 times All Servo ON Mute OFF g Repeat once more the processi...

Page 8: ...e upper lid 2 Press the key thrice Focus searching operation is acti vated continuously 3 Check the object lens of the optical pick up for smooth up down motion without sluggishness or abnormal noise 4 Press the p key Check that focus searching operation is deactivated If not again press the p key slightly longer Tracking Balance Check Condition Hold the set in horizontal state Connection Checking...

Page 9: ... are turned ON 7 Check the oscilloscope waveform is as shown below A good eye pattern means that the diamond shape in the center of the waveform can be clearly distinguished RF SIGNAL REFERENCE WAVEFORM EYE PATTERN VOLT DIV 200 mV With the 10 1 probe in use TIME DIV 500 ns To watch the eye pattern set the oscilloscope to AC range and increase the vertical sensitivity of the oscilloscope for easy w...

Page 10: ... 10 Connection Location CN501 CN701 MAIN Board Side A TP535 RFO TP534 VC TP524 TE ...

Page 11: ...CONTROL SWITCH Q340 RF DC AMP Q506 B SWITCH Q861 ESP RF EQ CONTROL SWITCH Q508 509 APC LD AMP APC PD AMP COMPARATOR LD LDON PD 94 58 66 65 71 MPG XMT RQ 90 SYS RCV RDY 89 SYS XMT RQ 88 ESS CLK 93 ESS DATAI 92 ESS DATAO AUX6 AUX5 AUX7 LCS1 B AUX2 AUX1 8 9 4 5 1 2 12 13 10 6 3 11 DATAO DATAI CLK CTL0 CTL1 CTL2 DATAO DATAI CLK CTL0 CTL1 CTL2 91 52 53 54 66 DCAS B 99 UCAS 28 LCAS 29 WE 13 OE 27 RAS 14...

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Page 14: ......

Page 15: ......

Page 16: ...O 2 V DIV 20 ns DIV IC960 1 OUT 500 mV DIV 20 µs DIV IC920 CK270 2 V DIV 20 ns DIV IC602 1 OUT 1 V DIV 2 µs DIV MAIN Board 2 2 IC820 1 OUT 2 V DIV 2 µs DIV IC320 CKO 2 V DIV 20 ns DIV Q881 D 2 V DIV 2 µs DIV Q881 G 2 V DIV 2 µs DIV IC861 7 OUT1 2 V DIV 2 µs DIV ª IC861 0 OUT2 2 V DIV 2 µs DIV º Q891 G 2 V DIV 2 µs DIV T891 4 5 V DIV 2 µs DIV IC861 1 CT 200 mV DIV 2 µs DIV Approx 50 mVp p Approx 57...

Page 17: ...T INTERFACE CIRCUIT Σ MODULATOR CIRCUIT DIGITAL FILTER CIRCUIT DIGITAL BASS BOOST CIRCUIT ATTENUATOR OPERATIONAL CIRCUIT DE EMPHASIS FILTER CIRCUIT ANALOG FILTER VDD T1 P S VDA RO GNDA VR GNDA LO VDA ZD GNDD ATT LB1 LB2 SH EMP LA SM LRCK BCK DATA 20 16 15 OSCILLATOR TIMING GENERATOR VDX XO MCKO 14 GNDX XI 17 21 22 24 23 OUTPUT CIRCUIT ANALOG FILTER 12 8 MUTE MUTE SW 11 P SW PW SW 12 IN 1 13 IN 2 1...

Page 18: ...V AMP 7 E VC 13 EI 12 EO VC 8 VR VC 10 NC 11 NC VC 9 VCC VC BUFFER 15 13 12 11 DC DC CONVERTER CLK DETECTOR PRE DRIVER CONTROL DRIVER PRE DRIVER CONTROL DRIVER PRE DRIVER CONTROL DRIVER PRE DRIVER CONTROL DRIVER 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 1 2 3 4 5 6 7 8 9 10 14 VC VC VC VC VC VC VC VC VC VC PI4 PGND PGND RO3 VD RO4 PGND FO4 VD F R4 FO3 VD FI3 RI3 VG GND PS OE R...

Page 19: ...YNC PROTECTOR DIGITAL OUT SUBCODE P W PROCESSOR SUBCODE Q PROCESSOR DIGITAL PLL VARI PITCH DOUBLE SPEED CPU INTERFACE EFM DEMODULATOR SERIAL PARALLEL PROCESSOR CPU INTERFACE ASYMMETRY CORRECTION 1 2 3 4 5 6 7 8 9 10 11 20 19 18 17 16 15 14 13 12 21 22 23 24 25 46 50 61 51 PEAK DETECTOR CLOCK GENERATOR MUX A D CONVERTER SWITCH BUFFER SERVO AUTO SEQUENCER SERVO MICRO PROGRAM INTERFACE RFC ADIO AVSS ...

Page 20: ...ENERATOR Cb LEVEL ALIGNMENT INTERPOLATE DAC DAC DAC INTERPOLATE ROM CVOUT AVCC CSYNC HSYNC VSYNC TMS3 VDD CK27I XO GND TMS2 CK27O TMS1 44 TMS0 AGND COUT AVCC YOUT AGND VREF BIAS1 BIAS2 FLD BLK BF CLPF GND VDD VBLNKO MODE BURST FLAG BLANKING Y Cb Cr C SIGNAL GENERATOR C Y 20 21 22 YCDI7 YCDI6 YCDI5 12 13 14 YCDI0 YCDI1 YCDI2 YCDI3 YCDI4 MIFH MIFFL MIFFR VBLNKI VDD GND 9 8 7 11 10 17 18 15 16 19 24 ...

Page 21: ...EAD TIME CONTROL RT GND OUTPUT 2 OUTPUT 1 PWM COMPARATOR 1 PWM COMPARATOR 2 VREF ERROR AMP 1 ERROR AMP 2 REFERENCE VOLTAGE R U V L O TRIANGLE OSCILLATOR VREF VREF 13 14 15 16 REF OUT UVK NON INV INPUT2 INV INPUT2 12 FEED BACK2 11 DEAD TIME CONTROL2 10 OUT2 9 VCC CT RT NON INV INPUT1 INV INPUT1 FEED BACK1 DEAD TIME CONTROL1 OUT1 GND 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 B1 B0 C COM CO INH VEE VSS VDD B C...

Page 22: ...r supply terminal 3 3V for operational amplifier 23 AVS2 Ground terminal analog system 24 ADII I Input terminal for the A D converter Not used open 25 ADIO O Output terminal of the operational amplifier Not used open 26 RFDC I RF signal DC level input terminal for the digital servo process 27 TE I Tracking error signal input from the CXA1791N IC501 28 SE I Sled error signal input from the CXA1791N...

Page 23: ... when PSSL L PSSL pin fixed at L Not used open 58 MNT3 O DA04 output when PSSL H MNT3 monitor 3 signal output when PSSL L PSSL pin fixed at L Not used open 59 MNT2 O DA03 output when PSSL H MNT2 monitor 2 signal output when PSSL L PSSL pin fixed at L Not used open 60 MNT1 O DA02 output when PSSL H MNT1 monitor 1 signal output when PSSL L PSSL pin fixed at L Not used open 61 MNT0 O DA01 output when...

Page 24: ...roller IC701 88 CLOK I Serial data transfer clock signal input from the system controller IC701 89 COUT O Track number count signal output terminal Not used open 90 DVDD Power supply terminal 3 3V digital system 91 MIRR O Mirror detection signal output terminal Not used open 92 DFCT O Defect signal output terminal Not used open 93 FOK O Focus OK signal output terminal Not used open 94 FSW O Select...

Page 25: ...fier IC360 L reset 51 XV RESET O Reset signal output to the MPEG audio video decoder IC901 and video encoder IC920 L reset 52 HOLD I HOLD switch S701 input terminal L hold off H hold on 53 RESUME I RESUME switch S702 input terminal L resume off H resume on 54 XDSPLT O Serial data latch pulse signal output to the CXD2545Q IC601 55 XDACLT O Serial data latch pulse signal output to the D A converter ...

Page 26: ...wer on 88 SYS XMT RQ O Communication request signal output to the MPEG audio video decoder IC901 89 SYS RCV RDY O Ready signal output to the MPEG audio video decoder IC901 90 MPG XMT RQ I Communication request signal input from the MPEG audio video decoder IC901 91 ESS DATAO O Serial data output to the MPEG audio video decoder IC901 92 ESS DATAI I Serial data input from the MPEG audio video decode...

Page 27: ...al 51 VCC Power supply terminal 3 3V 52 AUX6 O Communication request signal output to the system controller IC701 53 AUX5 I Ready signal input from the system controller IC701 54 AUX7 I Communication request signal input from the system controller IC701 55 to 62 LD0 to LD7 I Data input from the program ROM IC902 63 LWR B O Write enable signal output terminal L active Not used open 64 LOE B O Outpu...

Page 28: ...224 MHz input from the CXD2545Q IC601 97 TDMDR I Serial data input from the CXD2545Q IC601 98 TDMFS I L R sampling clock signal 44 1 kHz input from the CXD2545Q IC601 99 DCAS B O Column address strobe signal output to the D RAM IC903 L active 100 VSS Ground terminal ...

Page 29: ...L odd number field H even number field Not used open 23 BIAS2 Connect a capacitor for the D A converter bias 24 BIAS1 Connect a capacitor for the D A converter bias 25 VREF I Reference voltage input terminal for D A converter 26 AGND Ground terminal analog system for D A converter 27 YOUT O Analog Y signal luminance signal output terminal Not used open 28 AVCC Power supply terminal 3 3V analog sys...

Page 30: ...d packing materials are given in the last of the electrical parts list NOTE XX and X mean standardized parts so they may have some difference from the original one Color Indication of Appearance Parts Example KNOB BALANCE WHITE RED Parts Color Cabinet s Color Ref No Part No Description Remark Ref No Part No Description Remark 4 5 3 2 1 6 6 not supplied 7 8 1 4 996 341 01 BUTTON CONTROL 2 X 4950 49...

Page 31: ...6 339 01 TERMINAL RELAY BATTERY 56 4 213 585 01 SPACER LCD 57 1 694 374 11 CONDUCTIVE BOARD CONNECTION 58 4 996 338 01 HOLDER LCD 59 4 996 337 01 BASE BUTTON 60 A 3323 071 A LCD BOARD COMPLETE 61 1 776 149 11 CABLE FLEXIBLE FLAT 30P 62 3 336 395 01 SCREW B2X10 G TAPPING 63 4 918 544 11 SPACER T 64 4 975 811 01 INSULATOR 65 4 996 335 01 TERMINAL BATTERY 66 4 996 336 01 TERMINAL BATTERY 67 A 3323 07...

Page 32: ...NECTOR 105 7 627 850 17 SCREW PRECISION P 1 4X2 5 106 3 719 401 11 SCREW B1 7 TAPPING 107 4 972 162 01 CHASSIS 108 4 974 003 01 GEAR B The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified 109 1 660 965 11 SLIDE FLEXIBLE BOARD 110 X 4950 060 1 OPTICAL PICK UP DAX 01A2 111 4 972 165 01 RACK 112 4 973 631 01 SCREW M901 A 3303 458 A...

Page 33: ...P 2 2K 0 5 1 16W R444 1 218 859 11 RES CHIP 3 3K 0 5 1 16W R445 1 218 863 11 RES CHIP 4 7K 0 5 1 16W SWITCH S401 1 692 366 11 SWITCH PUSH 1 KEY OPEN S421 1 762 366 11 SWITCH TACTILE p POWER OFF S422 1 762 366 11 SWITCH TACTILE SELECT S441 1 762 366 11 SWITCH TACTILE ˆ RETURN S442 1 762 366 11 SWITCH TACTILE MENU S443 1 762 366 11 SWITCH TACTILE PREV S444 1 762 366 11 SWITCH TACTILE S445 1 762 366 ...

Page 34: ... 0 1uF 25V C821 1 115 156 11 CERAMIC CHIP 1uF 10V C822 1 124 779 00 ELECT CHIP 10uF 20 16V C823 1 162 927 11 CERAMIC CHIP 100PF 5 50V C826 1 119 764 11 ELECT 47uF 20 4V C827 1 164 156 11 CERAMIC CHIP 0 1uF 25V C828 1 115 416 11 CERAMIC CHIP 1000PF 5 25V C860 1 128 416 11 ELECT CHIP 100uF 20 16V C861 1 164 156 11 CERAMIC CHIP 0 1uF 25V C862 1 164 505 11 CERAMIC CHIP 2 2uF 16V C863 1 164 156 11 CERA...

Page 35: ...1 1 778 040 11 JACK SMALL TYPE AUDIO VIDEO OUT COIL L320 1 412 002 41 INDUCTOR CHIP 4 7uH L321 1 412 002 41 INDUCTOR CHIP 4 7uH L322 1 412 002 41 INDUCTOR CHIP 4 7uH L323 1 412 979 21 INDUCTOR 1uH L501 1 414 398 11 INDUCTOR 10uH L502 1 414 398 11 INDUCTOR 10uH L503 1 414 854 11 INDUCTOR 1mH L504 1 414 402 11 INDUCTOR 47uH L505 1 414 402 11 INDUCTOR 47uH L506 1 414 402 11 INDUCTOR 47uH L507 1 414 4...

Page 36: ... 1 16W R606 1 216 857 11 METAL CHIP 1M 5 1 16W R607 1 216 833 11 METAL CHIP 10K 5 1 16W R611 1 216 841 11 METAL CHIP 47K 5 1 16W R612 1 218 895 11 RES CHIP 100K 0 5 1 16W R614 1 218 871 11 RES CHIP 10K 0 5 1 16W R619 1 216 833 11 METAL CHIP 10K 5 1 16W R620 1 216 833 11 METAL CHIP 10K 5 1 16W R681 1 216 833 11 METAL CHIP 10K 5 1 16W R685 1 216 864 11 METAL CHIP 0 5 1 16W R686 1 216 864 11 METAL CH...

Page 37: ... 572 922 11 SWITCH SLIDE RESUME S703 1 692 605 31 SWITCH SLIDE PAL AUTO NTSC VIDEO SYSTEM TRANSFORMER T891 1 431 652 21 TRANSFORMER DC DC CONVERTER VIBRATOR X320 1 767 366 21 VIBRATOR CERAMIC 16 9344MHz X701 1 579 063 41 VIBRATOR CERAMIC 4 19MHz X920 1 767 519 11 VIBRATOR CRYSTAL 27MHz MISCELLANEOUS 61 1 776 149 11 CABLE FLEXIBLE FLAT 30P 104 1 690 530 81 LEAD WITH CONNECTOR 109 1 660 965 11 SLIDE...

Page 38: ... 54 D V7000 Sony Corporation Personal A V Products Company 9 924 962 11 98I057016 1 Printed in Singapore 1998 9 Published by Quality Engineering Dept Shibaura ...

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