4-29
1-6. Attachment. Optical Power Measurement
Optical Power measurement is to adjust LD power from Pick-up
To measure optical power, LD status is on. Other light affects optical power.
Avoid other light to measure exact power
Generally headlight power is about 50µw, Sun power is about 100mw.
Optical Power measurement method
1. Fit optical Power Meter
λ
(wavelength) value to DVD.(generally 660nm)
2. DVD LD On.
3. Approach power sensor to Pick-up Lens about 3mm vertically. Fix Lens and Sensor mark position.
4. Read Monitor value. (move sensor read just a little and read max value.)
(caution) unit is mw.
5. write monitoring value x 100. Only an integer.
6. Fit Power Meter (wavelength) value to CD.(generally 780nm)
7. CD LD On.
8. 3 ~ 5 recheck.
Summary of Contents for RHT497H
Page 11: ...1 10 MEMO ...
Page 34: ...3 19 DDR Bank Address 3 4 6 5 DDR RAS CAS 4 5 DDR Write Enable 6 3 ...
Page 35: ...3 20 12C_SDA 7 12C_SCL 8 IC1101 7 8 ...
Page 37: ...3 22 3 AUDIO BLOCK 1kHz SINEWAVE INPUT AOUT_D0 3 AOUT_MCLK 4 AOUT_FSYNC 1 AOUT_SCLK 2 1 2 3 4 ...
Page 38: ...3 23 SPDIF_OUT 5 5 IC1101 A OUT_l A OUT_R 6 7 7 6 ...
Page 39: ...3 24 4 SERIAL INTERFACE BLOCK Between MAIN I O E5_SPI_MISO 3 E5_SPI_CLK 1 E5_SPI_MOSI 2 1 2 3 ...
Page 40: ...3 25 5 TUNER BLOCK 1 SIF IC901 1 ...
Page 43: ...3 28 2 WIRING DIAGRAM 2 1 2 3 4 5 6 7 8 ...
Page 44: ...3 29 1 2 3 4 5 6 7 8 Option ...
Page 57: ...3 42 MEMO ...
Page 59: ...3 45 3 46 2 MPEG CIRCUIT DIAGRAM ...
Page 60: ...3 47 3 48 3 FLASH DDR CIRCUIT DIAGRAM ...
Page 61: ...3 49 3 50 4 IEEE1394 CIRCUIT DIAGRAM ...
Page 62: ...3 51 3 52 5 ATAPI HDMI USB CIRCUIT DIAGRAM ...
Page 63: ...3 53 3 54 6 I O µ COM CIRCUIT DIAGRAM ...
Page 64: ...3 55 3 56 7 SCART RCA CIRCUIT DIAGRAM ...
Page 65: ...3 57 3 58 8 TUNER DECODER CIRCUIT DIAGRAM ...
Page 66: ...3 59 3 60 9 LDO CIRCUIT DIAGRAM ...
Page 67: ...3 61 3 62 10 COMMON INTERFACE BOARD CIRCUIT DIAGRAM OPTIONAL ...
Page 68: ...3 63 3 64 11 HDMI DAUGHTER BOARD CIRCUIT DIAGRAM ...
Page 69: ...3 65 3 66 12 TIMER CIRCUIT DIAGRAM ...
Page 70: ...3 67 3 68 13 KEY CIRCUIT DIAGRAM ...
Page 75: ...3 77 3 78 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 76: ...3 79 3 80 2 I O P C BOARD TOP VIEW ...
Page 77: ...3 81 3 82 I O P C BOARD BOTTOM VIEW ...
Page 78: ...3 83 3 84 3 SMPS P C BOARD TOP VIEW BOTTOM VIEW ...
Page 79: ...3 85 3 86 4 TIMER KEY P C BOARD TOP VIEW BOTTOM VIEW ...
Page 81: ...3 89 3 90 MEMO MEMO ...
Page 98: ...4 17 2 DISC SPECIFICATION 3 DISC MATERIALS 1 DVD ROM ...
Page 103: ...4 22 3 Layout of DVD RW disc ...
Page 104: ...4 23 4 Layout of DVD R RW disc ...
Page 133: ...4 52 MEMO ...
Page 134: ...4 53 4 54 CIRCUIT DIAGRAM ...
Page 136: ...4 57 4 58 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...