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IC502 OF VIDEO BOARD
IC502 of the VIDEO board consists of the former type and new type. The following table shows the differences between the two types.
Only spare parts for the new type IC502 are supplied.
Units using the former IC502 will not function when replaced with the new type without performing the following procedure.
Consequently, replace IC502 of units using the former type according to the following procedure.
Table of Differences
FORMER TYPE
NEW TYPE
C407, 408
MOUNT
NO MOUNT
IC502
M306200MC-302FP
M306200MC-305FP
JW421, JW422
NO MOUNT
MOUNT
IC402
MOUNT
NO MOUNT
R413, 421, 422
MOUNT
NO MOUNT
X401
MOUNT
NO MOUNT
Replacing Procedure
1. Remove IC402.
2. Solder JW421 and JW422, or short-circuit with a lead wire, etc.
3. Replace IC502 with a new one.
How to Differentiate [VIDEO Board] (SIDE A)
Those with IC402: FORMER TYPE
Those without:
NEW TYPE
IC505
Содержание HCD-V818
Страница 8: ... 8 This section is extracted from instruction manual ...
Страница 32: ... 41 42 HCD V818 8 5 SCHEMATIC DIAGRAM DECK SECTION See page 86 for IC Block Diagrams Page 56 ...
Страница 33: ... 43 44 HCD V818 8 6 PRINTED WIRING BOARD DECK SECTION See page 22 for Circuit Boards Location Page 53 ...
Страница 50: ... 77 78 HCD V818 8 26 SCHEMATIC DIAGRAM PANEL SECTION Page 76 Page 76 Page 75 ...
Страница 52: ... 81 82 HCD V818 8 28 SCHEMATIC DIAGRAM CD MOTOR SECTION See page 86 for IC Block Diagrams Page 58 Page 58 ...