3-85
Track Servo is unstable
Is TE signal
output normal in focusing
ON and tracking OFF?
(IC107 pin 82)
YES
YES
YES
NO
NO
NO
NO
YES
Is pick-up
(E, F, G, H)output normal?
(CN101 pin 5, 8, 9, 12)
Replace the IC107.
Replace the IC202.
•Check the pick-up FFC.
•Replace the pick-up.
Check the connection between
IC202(pin139)and IC107(pin 82).
Is TE signal
input normal in focusing
ON and tracking OFF?
(IC202 pin 139)
Is there TDRV
signal output in tracking ON?
(IC202 pin 147)
Check the IC105 and pick-up referring to
“Focus Actuator operating is abnormal”.
Содержание RH4820W
Страница 40: ...3 41 3 42 2 E5 BGA POWER UART2 CIRCUIT DIAGRAM E5 BAG POWER UART2 ...
Страница 43: ...3 47 3 48 5 1394 ETHERNET CONNECTOR CIRCUIT DIAGRAM 1394 ETHERNET CONNECTOR ...
Страница 44: ...3 49 3 50 VIDEO IN OUT 6 VIDEO IN OUT CIRCUIT DIAGRAM ...
Страница 45: ...3 51 3 52 7 AUDIO IN OUT CIRCUIT DIAGRAM AUDIO IN OUT ...
Страница 46: ...3 53 3 54 8 I O MICOM CIRCUIT DIAGRAM SR17208A I O MICOM ...
Страница 47: ...3 55 3 56 9 TUNER VIDEO IN OUT CIRCUIT DIAGRAM SR17209A TUNER VIDEO IN OUT 3 9K 3 9K ...
Страница 48: ...3 57 3 58 10 FRONT CIRCUIT DIAGRAM HDD VDR_FRONT ...
Страница 54: ...3 69 3 70 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP SIDE LOCATION GUIDE ...
Страница 55: ...3 71 3 72 2 MAIN P C BOARD BOTTOM SIDE LOCATION GUIDE ...
Страница 56: ...3 73 3 74 3 I O P C BOARD LOCATION GUIDE 4 JACK P C BOARD LOCATION GUIDE LOCATION GUIDE LOCATION GUIDE ...
Страница 57: ...3 75 3 76 5 FRONT P C BOARD LOCATION GUIDE 6 KEY P C BOARD ...
Страница 58: ...3 77 3 78 7 POWER P C BOARD LOCATION GUIDE ...
Страница 88: ...3 108 4 IC302 uPD76f0047 MICOM Pin Assignment ...
Страница 93: ...3 113 3 Main Clock2 for IC302 20MHz GND LEVEL X301 IC302 PIN 13 4 SDRAM Clock GND LEVEL MCLK IC201 PIN 35 ...
Страница 110: ......
Страница 112: ...3 132 3 133 2 DSP CIRCUIT DIAGRAM No Power No operation DSP IC RESET IC SDRAM R259 0Ω ...
Страница 114: ...3 136 3 137 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...