– 91 –
83
APCREF
O
84
LDDR
O
PWM signal output for the laser automatic power control
Not used (open)
85
TRDR
O
Tracking servo drive PWM signal (–) output to the BH6511FS (IC152)
86
TFDR
O
Tracking servo drive PWM signal (+) output to the BH6511FS (IC152)
87
DVDD
—
Power supply terminal (+3.3V) (digital system)
88
FFDR
O
Focus servo drive PWM signal (+) output to the BH6511FS (IC152)
89
FRDR
O
Focus servo drive PWM signal (–) output to the BH6511FS (IC152)
90
FS4
O
Clock signal (176.4 kHz) output terminal (X’tal system)
Not used (open)
91
SRDR
O
Sled servo drive PWM signal (–) output to the BH6511FS (IC152)
92
SFDR
O
Sled servo drive PWM signal (+) output to the BH6511FS (IC152)
93
SPRD
O
Spindle servo drive PWM signal (–) output to the BH6511FS (IC152)
94
SPFD
O
Spindle servo drive PWM signal (+) output to the BH6511FS (IC152)
95
FGIN
I
96
TEST1
I
Input terminal for the test (fixed at “L”)
97
TEST2
I
98
TEST3
I
99
DVSS
—
Ground terminal (digital system)
100
EFMO
O
EFM signal output terminal when recording mode
Pin No.
Pin Name
I/O
Function
Control signal output to the reference voltage generator circuit for the laser automatic
power control
Содержание HCD-MD333 - Hi Fi Cd/minidisc Component
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Страница 50: ...HCD MD333 69 70 7 18 SCHEMATIC DIAGRAM JACK SECTION Page 61 Page 65 Page 55 Page 78 ...
Страница 54: ...HCD MD333 77 78 7 24 SCHEMATIC DIAGRAM POWER AMP SECTION Page 57 Page 70 Page 75 ...