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Home >> PIONEER >> DV-717/WY/RD Service Manual
 
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PIONEER DV-717/WY/RD
Service Manual


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  • Contains Circuit Diagrams
  • Download
  • PDF Format
  • Complete manual
  • Language: English
Price: $4.99

Description of PIONEER DV-717/WY/RD Service Manual

Complete service manual in digital format (PDF File). Service manuals usually contains circuit diagrams, printed circuit boards, repair tips, wiring diagrams, block diagrams and parts list. Service Manual ( sometimes called Repair Manual ) is used mainly by technicians.

If You just want to know how to use Your tv, video, mp3 player etc. You should look for Owner's Manual. After placing order we'll send You download instructions on Your email address.

The manual is available in languages: English

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Text excerpt from page 5 (click to view)
DV-515

1.2.3 Tracking / Slider Servo
ATB: For phase differential TE (use for DVD), the tracking balance compensation is achieved by outputting the offset from the TBAL output at pin 44 of the digital servo IC, and by biasing the charge pump resistor for phase-difference error of RFIC. For 3-beam TE (use for CD), the tracking balance compensation is achieved by adjusting the gain balance of A and C in RFIC with the voltage of RFIC-pin 30. The difference is detected by processing TE at pin 32 of IC 201 with an internal digital equalizer. TDO: In addition to the servo output, the lowband components, such as the kick-brake for jump, are added for TDO output. SLDO: The low-band components of TE are processed by the internal digital equalizer, and deadband is added for SLDO output. The offset voltage for pickup movement is also included in the SLDO output.
C A

� TRACKING / SLIDER SERVO
PICKUP TE RF OEIC B1 B2 B3 B4
5 6 7 9 13 14 30 35

TE

32

IC101 RFIC LA9701M 8

TBAL
39

CP

IC501 ADDRESS MECH. IC201 DIGITAL & CONTROL BUS 44 SERVO IC PE5012A LC78651W

48

45

TRKG COIL

11 12

6

TDO SLDO

IC151 DRIVER 26 15
16

M SLDR

1.2.4 SPINDLE SERVO
For a CD, the RF signal output from pin 46 of the RF IC is converted to binary in IC201. By comparing the binary value with the reference CLK (clock), the SPDL ERR signal is output from pin 46. � SPDL SERVO
RF IC101 RFIC LA9701M
46

For a DVD, the SPDL ERR signal is generated from the PWM signal output from LSI-��. Upon receiving this signal via pin 29, IC201 also outputs it from pin 46, switching from the CD SPDL ERR signal.
ATC
179 200

OEIC

3

54

RFO CLK (27M)

IC301 3 A/D ADC1175CIJMX |
12

10

8 bit

| 207

RF

176

IC701 LSI II PD4833A

APC AFC IC302 (1/2)
39

178 180 177 161 163 166 168 95 159

ASC

VCO

FG

IC201 DIGITAL SERVO 29 55 LC78651W
46

FPWM VPWM IC261 (2/2) V165 IC261 (1/2) FG PPWM RPWM DUTY50

SPDL +12 SPDL M SPDL 13

IC251 DRV 25 BA6195FP (Base)

SPDO

5

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