3
MODEL
PARTS No.
LX7: AEP, UK, CIS model
4-225-529-1
s
LX8: E, AR model
4-225-529-2
s
LX8: SP, MY model
4-225-529-3
s
LX8: MX model
4-225-529-4
s
LX8: AUS model
4-225-529-5
s
LX8: EA model
4-225-529-6
s
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, ob-
serve from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the “S curve check” in “CD section adjustment” and check
that the S curve waveform is output four times.
MODEL IDENTIFICATION
— BACK PANEL —
• Abbreviation
SP
: Singapore model
MX
: Mexican model
AUS : Australian model
EA
: Saudi Arabia model
AR
: Argentine model
MY
: Malaysia model
Parts No.
Содержание LBT-LX7
Страница 30: ...HCD LX7 LX8 29 29 6 6 SCHEMATIC DIAGRAM MAIN 1 3 SECTION See page 50 for IC Block Diagrams MICON INTERFACE ...
Страница 32: ...HCD LX7 LX8 31 31 6 8 SCHEMATIC DIAGRAM MAIN 3 3 SECTION See page 28 for Printed Wiring Board ...
Страница 33: ...HCD LX7 LX8 32 32 6 9 SCHEMATIC DIAGRAM DECK SECTION Page 30 ...
Страница 34: ...HCD LX7 LX8 33 33 6 10 PRINTED WIRING BOARD DECK SECTION See page 17 for Circuit Boards Location Page 28 ...
Страница 35: ...HCD LX7 LX8 34 34 6 11 SCHEMATIC DIAGRAM POWER SECTION ...
Страница 39: ...HCD LX7 LX8 38 38 6 15 SCHEMATIC DIAGRAM PANEL VR SECTION See page 50 for IC Block Diagrams ...
Страница 41: ...HCD LX7 LX8 40 40 6 17 SCHEMATIC DIAGRAM TC PANEL SECTION ...
Страница 42: ...HCD LX7 LX8 41 41 6 18 PRINTED WIRING BOARD TC PANEL SECTION See page 17 for Circuit Boards Location ...
Страница 43: ...HCD LX7 LX8 42 42 6 19 SCHEMATIC DIAGRAM CD PANEL SECTION ...
Страница 44: ...HCD LX7 LX8 43 43 6 20 PRINTED WIRING BOARD CD PANEL SECTION See page 17 for Circuit Boards Location ...
Страница 45: ...HCD LX7 LX8 44 44 6 21 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 30 ...
Страница 46: ...HCD LX7 LX8 45 45 6 22 PRINTED WIRING BOARD CD MOTOR SECTION See page 17 for Circuit Boards Location Page 28 ...
Страница 47: ...HCD LX7 LX8 46 46 6 23 SCHEMATIC DIAGRAM TRANS SECTION LX7 model ...
Страница 48: ...HCD LX7 LX8 47 47 6 24 PRINTED WIRING BOARD TRANS SECTION LX7 model See page 17 for Circuit Boards Location ...
Страница 49: ...HCD LX7 LX8 48 48 6 25 SCHEMATIC DIAGRAM TRANS SECTION LX8 model ...