Sharp XL-3000V service manual IC801 VHiTA2109F/-1Servo Pre Amp. TA2109F

Page 52

XL-3000V

IC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)

Pin No.

Terminal Name

Input/Output

Function

 

 

 

 

1

VCC

—

Power voltage terminal

 

 

 

 

2

FNI

Input

Main beam amp input terminal

 

 

 

 

3

FPI

Input

Main beam amp input terminal

 

 

 

 

4

TPI

Input

Sub-beam amp input terminal

 

 

 

 

5

TNI

Input

Sub-beam amp input terminal

 

 

 

 

6

MDI

Input

Monitor photodiode amp input terminal

 

 

 

 

7

LDO

Output

Laser diode amp output terminal

 

 

 

 

8

SEL

Input

Laser diode control signal input and APC circuit ON/OFF signal input terminal

 

 

 

 

9

TEB

Input

Tracking error balance adjustment signal input terminal

 

 

 

To be controlled by 3-value PWM signal. (PWM carrier = 88.2 kHz)

 

 

 

 

10

2VRO

Output

Standard voltage (2VR) output terminal. When Vcc = 5V, 2VR = 4.2V.

 

 

 

 

11

TEN

Input

Tracking error signal generation amp reversed phase input terminal

 

 

 

 

12

TEO

Output

Tracking error signal generation amp output terminal

 

 

 

 

13

SBAD

Output

Sub-beam addition signal output terminal

 

 

 

 

14

FEO

Output

Focus error signal generation amp output terminal

 

 

 

 

15

FEN

Input

Focus error signal generation amp reversed phase input terminal

 

 

 

 

16

VRO

Output

Standard voltage (VR) output terminal. When Vcc = 5V, VR = 2.1V.

 

 

 

 

17

RFRP

Output

Track count signal generation amp output terminal

 

 

 

 

18

RFIS

Input

RFRP detection circuit input terminal

 

 

 

 

19

RFGO

Output

RF signal output terminal

 

 

 

 

20

RFGC

Input

RF amplitude adjustment control signal input terminal

 

 

 

The amplitude of RF signal can be controlled by using the 3-value PWM signal (PWM

 

 

 

carrier = 88.2 kHz) which is output from the RFGC terminal of TC9432F.

 

 

 

 

21

AGCI

Input

RF signal amplitude adjustment amp input terminal

 

 

 

 

22

RFO

Output

RF signal generation amp output terminal

 

 

 

 

23

GND

—

GND terminal

 

 

 

 

24

RFN

Input

RF reversed phase input terminal

 

 

 

 

IC801 VHiTA2109F/-1:Servo Pre Amp. (TA2109F)

 

 

 

 

 

 

 

 

 

 

 

 

15kΩ

 

 

30kΩ

7.67kΩ

 

 

 

 

 

LDC

 

 

 

 

 

15kΩ

10kΩ

 

 

 

 

 

SEL

SW1

 

 

 

 

 

 

 

 

 

 

 

SW2

SW3

SBAD 13

 

 

 

10kΩ

 

 

 

 

12

TEO

 

 

 

 

 

 

 

 

L

ON

OFF

OFF

 

 

 

 

20∝A

 

30kΩ

 

 

 

 

 

 

 

 

50kΩ

 

 

 

20pF

 

 

HiZ

OFF

ON

ON

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FEO 14

 

 

10kΩ

 

 

10kΩ

 

11 TEN

H

OFF

ON

ON

 

36pF

 

 

21kΩ

29kΩ

 

 

 

 

10pF

 

 

 

 

 

 

 

 

 

 

 

 

7.96kΩ

 

 

 

 

 

 

 

 

 

 

 

 

FEN 15

 

 

 

 

 

 

 

10 2VRO

 

 

 

 

10kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24kΩ

24kΩ

 

 

 

 

 

 

 

 

VRO 16

21kΩ

21kΩ

 

 

 

3 STATE

9

TEB

 

 

 

 

 

 

 

 

 

DET.

 

 

 

 

 

 

 

RFRP 17

20kΩ

50∝A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

47kΩ

SW1

LDC

8

SEL

 

 

 

 

 

 

12kΩ

 

 

 

 

 

 

 

 

 

 

12kΩ

 

1.74kΩ

 

1kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RFIS 18

 

Ω

 

 

 

65∝A

SW2

 

7

LDO

 

 

 

 

20kΩ

20k

 

 

 

680kΩ

 

 

 

 

 

 

PEAK

 

 

SW3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RFGO 19

 

BOTTOM

 

180kΩ

 

 

 

6

MDI

 

 

 

 

 

 

 

 

20pF

13kΩ

2.12kΩ

 

 

 

 

RFGC

20

 

 

 

 

 

 

I . I

 

5

TNI

 

 

 

 

 

 

 

 

12kΩ

 

180kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

20pF

 

 

 

 

 

 

 

 

 

 

21

23.5kΩ

 

 

 

 

 

 

4

 

 

 

 

 

AGCI

 

 

 

 

 

I . I

 

TPI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

re = 130Ω

 

 

 

 

 

20kΩ

 

 

 

 

 

 

 

 

 

 

 

 

180kΩ

 

 

 

 

 

 

 

 

 

 

22

 

 

 

 

 

 

 

3

 

 

 

 

 

RFO

 

 

 

40pF

 

 

 

20kΩ

FPI

 

 

 

 

 

 

 

 

 

 

 

60kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

23

 

 

 

 

 

60kΩ

 

 

2

FNI

 

 

 

 

 

1.53kΩ

 

180kΩ

40pF

 

 

20kΩ

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RFN 24

Ω

Ω

 

 

 

 

 

 

1

VCC

 

 

 

 

 

 

3.3k

3.3k

 

 

 

 

 

 

 

 

 

 

 

 

Figure 52 BLOCK DIAGRAM OF IC

– 52 –

Page 51 Page 53
Image 52
Page 51 Page 53
Contents Contents Model XL-3000VAC Power Cord and Plug Adaptor Voltage SelectionSpecifications Names of Parts Front panelDisplay Rear panelRemote control Setting the Clock System Connections Setting the AC voltage selector Connecting the AC power lead Listening to a CD Disassembly LED PWBPWB Removing and Reinstalling the Main Parts How to remove the CD lid See FigPerform steps 1,2 and 7 of the disassembly method to remove CD Mechanism Section See FigAdjustment Setting the Test ModeFM Detection FM Mute LevelIC15V BEXTest Video CD Video PWB-DDisc Checking Setting Checking of vector scope waveformChecking the black-and-white level Video OUTTuner Test Mode Test Outline of tuner radio test mode Turning on the test modeDetails of tuner test mode Timer test Mode Test Electronic volume Test Mode TestLCD Test Mode Test Key input diagnosis Test Mode Test FF/PRESET UP ON-OFF CD PLAY/PAUSE/TUNING UP ON-OFFVolume UP ON-OFF Volume Down ON-OFFSwitch PWB CD Motor PWBFOCUS/TRACKING SPIN/SLED DriverPower PWB-B RminalMain PWB PWBDisplay PWB Lamp PWBTuner PWB IC10V IC15VVideo CD Decoder IC16VBuffer AMP IC11VVideo CD Encoder Terminal PWB-A4 FromVideo PWB-D Tuner PWB-A2 CNS7 FromVideo Signal CD SignalFM Signal VolumeSERVO/SIGNAL Control CD Motor PWB-C CD LID Motor DriverSchematic Diagram 5/10 AM Signal FM Signal Tuner PWB-A2Main PWB-A11/2 CNP307Lamp PWB-A7 Display PWB-A3System Schematic Diagram 8/10 Video PWB-D IC10VROM 256Kx16 Video CD DecoderVideo Signal CD SignalXL-3000V Buffer AMPTo 15 are waveform numbers shown MER AssisFrom Display PWB-A3 SpindleOhms AntennaTo Main PWB-A1 To Video To MainPink Video PWB-D TOP View Video PWB-D Bottom ViewIC14V IC16VWaveforms of CD Circuit When the CD does not function TroubleshootingParts Code UDSKA0004AFZZ HF Error FailureSled Motor Operating FailureLaser failure Focus failureSpindle motor clv servo failure Focus servo sawtooth wave failureDMO HF error No soundTEI Tezi RFISled motor operation failure Track search failureSled servo failure Function Table of IC IC401 VHiLC75342M-1 Function/Volume Equalizer LC75342MPin No Port Name Function Test VSS Pin No Terminal Name Input/Output Function IC701 RH-iX0038SJZZ System Microcomputer/FL driver IX0038SJ SEG25-SEG0IC801 VHiTA2109F/-1Servo Pre Amp. TA2109F Uhso HSO IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 1/3Pin No Port Name Input/Output Function IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 2/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462F 3/3 IC802 VHiTC9462F/-1 Servo/Signal Control TC9462FCH1-OUT-A CH1-OUT-BCH1-IN-A CH1-IN-BIC14V VHiES3883F/-1 Video CD Encoder ES3883F 1/2 IC14V VHiES3883F/-1 Video CD Encoder ES3883F 2/2 ICV14 VHiES3883F/-1 Video CD Encoder ES3883F IC16V RH-iX0025SJZZ D-RAM 256Kx16 IX0025SJIC15V VHiES3880F/-1 Video CD Decoder ES3880F ES3880F Aclk AOUT/SELPLL0 AtclkLCD701 RV-LX0012SJZZ LCD Display MemoryFor U.S.A. only IC10V RH-IX0041SJZZ IC11V VHINJM4565M-1IC14V IC15VVCKYPA1HB102K VCKYPA1HF223ZRC-GZA227AF1C RC-GZW228AF1VRC-EZD107AF1A VCKYCY1EB104KRC-GZA227AF1A VCKYCY1EB563KR358VRS-CY1JB822J R359VRS-CY1JB182J R360VRS-CY1JB472J R393VRS-CY1JB102J R395VRD-ST2CD473JR607VRS-CY1JB682J R621VRS-CY1JB223JQCNCM998DAFZZ QCNCM037ESJZZCNP801V QCNCW010MSJZZ QCNCW007RSJZZLX-WZ9006SJZZ CPNLS1006SJ01TSPC-0221SJZZ HSY042SPK07302 PWB-A6 PWB-A5PWB-A7 PWB-A3 PWB-A8Copyright 2001 by Sharp Corporation
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