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6. Signal path Symbols The arrows indicate the signal path as follows.
Playback signal path Playback and recording signal path Recording signal path (including E-E signal path) Capstan servo path Drum servo path
CIRCUIT BOARD NOTES
1. Foil and Component sides 1) Foil side (B side) : Parts on the foil side seen from foil face (pattern face) are indicated. 2) Component side (A side) : Parts on the component side seen from component face (parts face) indicated. 2. Parts location guides Parts location are indicated by guide scale on the circuit board.
(Example)
R-Y Y Recording Y signal path
B : Foil side (A : Component side) C : Chip component (D : Discrete component) IC101
Playback R-Y signal path
REF No. LOCATION IC BC Category: IC 6A Horizontal �A� zone Vertical �6� zone
7. Indication of the parts for adjustments The parts for the adjustments are surrounded with the circle as shown below. Note: For general information in service manual, please refer to the Service Manual of GENERAL INFORMATION Edition 4 No. 82054D (January 1994).
8. Indication of the parts not mounted on the circuit board �OPEN� is indicated by the parts not mounted on the circuit board. R216
