Sharp XL-3000V Turning on the test mode, Tuner Test Mode Test Outline of tuner radio test mode

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XL-3000V

TEST MODE

The test mode applied to this microcomputer has three modes, namely the ordinary test mode for adjustment or measurement, the aging test mode, and the self-diagnosis test mode for self- judgment in case of final product inspection.

1. Turning on the test mode

For obtaining each test mode, press the ON/STAND-BY button, while keeping pressing the following two buttons in the ordinary stand-by mode (power off ). In this case, the main unit buttons are valid. When turning the ON/STAND- BY on with remote control buttons, test modes are not obtained.

[Ordinary test mode]

1.Tuner Test Mode (TEST 2)

.......................REW/PRESET DOWN + CD PLAY

2.Electronic Volume Test Mode (TEST 3)

.......................REW/PRESET DOWN + FF/PRESET UP

3.Timer Test Mode (TEST 4)

.......................FUNCTION + VOLUME UP

4.LCD Test Mode (TEST 5)

.......................FUNCTION + FF/PRESET UP

5.Electric CD Lid Aging Test Mode (TEST 8)

.......................FUNCTION + CD PLAY

[Self-diagnosis Test Mode]

1.Button input diagnosis test mode (TEST6)

.......................FUNCTION + VOLUME

Processes are different depending on destinations at initial settings.

2.Tuner Test Mode (TEST 2)

1.Outline of tuner (radio) test mode

The tuner test mode is intended to store the adjustment and measurement frequencies in the preset memory CH. When adjusting the tuner section in the production line, adjusting personnel are not required to set frequency.

2. Details of tuner test mode

Press the "REW/PRESET DOWN" and "CD PLAY" buttons in POWER OFF state and turn on the power by the use of "ON/STAND-BY" button to preset and store frequency for adjustment and measurement of destination specified by the AREA terminal in the preset memory CH. However, Ordinary 1 and Ordinary 2 are stored in the destinations (selected by SPAN switching operation) when the test mode is obtained.

("FF " + "MEMORY/SET" KEY SPAN CHANGE)

(As for frequencies to be preset and stored for each destination, refer to item 3.)

The tuner test mode is started from preset No.1.

The operations of test mode are identical with the ordinary operations of TUNER function. FUNCTION switching is invalid.

It is necessary to discard the content of preset memory when the tuner test mode is ended; be sure to write "0000" or "1111" bits in the memory to be checked for judging memory error at initial setting and to initialize memory.

When the tuner test mode is obtained, the following display lights for one second.

• The TUNER TEST2 mode is obtained with >> + MEMORY + ON/STAND-BY. -> Turn off AC in the TEST2 mode to restore the initial state.

Turn off POWER to protect the memory of TEST2 mode. Turn off POWER again to obtain the ordinary operation while the data is stored in the memory (besides TUNER).

If AC OFF state is maintained in this state for about 1/2 day, start is executed in the initial state.

To clear the whole memory, insert the AC cord, pressing

MEMORY + CD PLAY.

3.Preset frequencies for various destinations (random preset memory)

CH

BAND

FM

1

 

FM 87.50 MHz

2

 

FM108.00 MHz

3

FM

FM 98.00 MHz

4

STEREO

FM 90.20 MHz

5

 

FM106.00 MHz

 

 

 

CH

BAND

AM

6

 

AM 531 kHz

7

 

AM1602 kHz

8

AM

AM 990 kHz

9

 

AM 612 kHz

10

 

AM1404 kHz

 

 

 

CH

BAND

FM

16-25

 

 

 

 

 

26

 

FM106.00 MHz

27

 

FM 90.20 MHz

28

FM

FM 98.00 MHz

29

MONO

FM108.00 MHz

30

 

FM 87.50 MHz

 

 

 

• The slant line sections of the table store no memory.

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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