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@IC's
HD6433723D79F (IC300)
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Grid output.
Grid output.
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HD6433723D79F Terminal Function
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10
1
| — | System clock oscillator connecting terminal.
| —-| System clock oscillator connecting terminal.
| —| Reset signal input.
B | Tray OPEN switch signal input (L: Open).
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SWUP
46 |P1aiRQ3
SWDWN
18 |
B | Tray CLOSE switch signal input (L: Close).
B | Traverse UP switch signal input (L: Up).
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Digital audio signal LS! data output.
Digital audio signal LS! data latch output.
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Not used.
Alpha test output 1 (H: Low order data output, L: Low order
data non-output).
Alpha test output 2 (H: usually output, L: 8 bit shift).
Z|
D | Focus servo Lead-in signal input (L: Lead-in status).
D | Sense signal input (OFT, FESL, NACEND, NAJEND, POSAD, SFG).
[Hz] 0 | Deemphasis deteeting signal input (H: ON).
HZ|_0 | RF detecting signal input (L: Detecting).
Hz|
D | SM5845AF/PCM1710U selecting signal input (H: PCM1710U, L: SMS845AF),
HZ{
D | Not used.
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HZ}
E | Segment output.
HZ
Segment output.
Lo
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N
IN
IN
IN
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Key signal input (A/D).
Key signal input (A/D).
Key signal input (A/D).
{A/D}, test mode.
29
30
31
32
33
Key signa! input
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18
19
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