— 4 —
• IF-092 (IF COM)
SCHEMATIC DIAGRAM ............................ 4-33
• MC-139 (MIC AMP)
PRINTED WIRING BOARD ....................... 4-35
• MC-139 (MIC AMP)
SCHEMATIC DIAGRAM ............................ 4-37
• ETXNY381N2F (SWITCHING REGULATOR)
PRINTED WIRING BOARD ....................... 4-39
• HS11S1U (SWITCHING REGULATOR)
PRINTED WIRING BOARD ....................... 4-41
• ETXNY381N2F (SWITCHING REGULATOR)
SCHEMATIC DIAGRAM ............................ 4-43
• HS11S1U (SWITCHING REGULATOR)
SCHEMATIC DIAGRAM ............................ 4-45
5.
IC PIN FUNCTION DESCRIPTION
5-1.
SYSTEM CONTROL PIN FUNCTION
(MB-103 BOARD IC104: MB91307RPFV-G-BND-E1) . 5-1
6.
TEST MODE
6-1.
GENERAL DESCRIPTION ........................................... 6-1
6-2.
STARTING TEST MODE ............................................... 6-1
6-3.
SYSCON DIAGNOSIS ................................................... 6-1
6-4.
DRIVE AUTO ADJUSTMENT ...................................... 6-5
6-5.
DRIVE MANUAL OPERATION ................................... 6-7
6-6.
MECHA AGING ........................................................... 6-11
6-7.
EMERGENCY HISTORY ............................................ 6-11
6-8.
VERSION INFORMATION ......................................... 6-11
6-9.
VIDEO LEVEL ADJUSTMENT .................................. 6-11
6-10. IF CON SELF DIAGNOSTIC FUNCTION ................. 6-12
6-11. TROUBLESHOOTING ................................................ 6-18
7.
ELECTRICAL ADJUSTMENT
7-1.
POWER SUPPLY CHECK ............................................. 7-1
7-2.
ADJUSTMENT OF VIDEO SYSTEM ........................... 7-2
1.
Video Level Adjustment (MB-103 BOARD) .................. 7-2
2.
Checking S Video Output S-Y ......................................... 7-2
3.
Checking S Video Output S-C ......................................... 7-2
4.
Checking Component Video Output Y ............................ 7-2
5.
Checking Component Video Output B-Y ........................ 7-3
6.
Checking Component Video Output R-Y ........................ 7-3
7-3.
ADJUSTMENT RELATED PARTS ARRANGEMENT . 7-4
8.
REPAIR PARTS LIST
EXPLODED VIEWS ...................................................... 8-1
8-1-1.FRONT PANEL ASSEMBLY ......................................... 8-1
8-1-2.CHASSIS ASSEMBLY ................................................... 8-2
8-1-3.MECHANISM DECK ASSEMBLY ............................... 8-3
8-2.
ELECTRICAL PARTS LIST .......................................... 8-4
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