Sony HCD-MD515 - Component For Dhcmd515 Service Manual page 58

Pin No. Pin Name I/O
46 D1 I/O
47 D0 I/O
48 D2 I/O
49 D3 I/O
50 MVCI I
51 ASYO O
52 ASYI I (A)
53 AVDD —
54 BIAS I (A)
55 RFI I (A)
56 AVSS —
57 PDO O (3)
58 PCO O (3)
59 FILI I (A)
60 FILO O (A)
61 CLTV I (A)
62 PEAK I (A)
63 BOTM I (A)
64 ABCD I (A)
65 FE I (A)
66 AUX1 I (A)
67 VC I (A)
68 ADIO O (A)
69 AVDD —
70 ADRT I (A)
71 ADRB I (A)
72 AVSS —
73 SE I (A)
74 TE I (A)
75 AUX2 I (A)
76 DCHG I (A)
77 APC I (A)
78 ADFG I
79 F0CNT O
80 XLRF O
81 CKRF O
82 DTRF O
83 APCREF O
84 LDDR O
85 TRDR O
86 TFDR O
87 DVDD —
89 FRDR O
* I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
Two-way data bus for the D-RAM (IC124)
Digital in PLL oscillation input from the external VCO Not used (fixed at "L")
Playback EFM full-swing output
Playback EFM asymmetry comparator voltage input
Power supply terminal (+3.3V) (analog system)
Playback EFM asymmetry circuit constant current input
Playback EFM RF signal input from the CXA2523R (IC101)
Ground terminal (analog system)
Phase comparison output for clock playback analog PLL of the playback EFM Not used (open)
Phase comparison output for master clock of the recording/playback EFM master PLL
Filter input for master clock of the recording/playback master PLL
Filter output for master clock of the recording/playback master PLL
Internal VCO control voltage input of the recording/playback master PLL
Light amount signal (RF/ABCD) peak hold input from the CXA2523R (IC101)
Light amount signal (RF/ABCD) bottom hold input from the CXA2523R (IC101)
Light amount signal (ABCD) input from the CXA2523R (IC101)
Focus error signal input from the CXA2523R (IC101)
Auxiliary signal (I3 signal/temperature signal) input from the CXA2523R (IC101)
Middle point voltage (+1.65V) input from the CXA2523R (IC101)
Monitor output of the A/D converter input signal Not used (open)
Power supply terminal (+3.3V) (analog system)
A/D converter operational range upper limit voltage input terminal (fixed at "H" in this set)
A/D converter operational range lower limit voltage input terminal (fixed at "L" in this set)
Ground terminal (analog system)
Sled error signal input from the CXA2523R (IC101)
Tracking error signal input from the CXA2523R (IC101)
Auxiliary signal input terminal Not used (fixed at "H")
Connected to the +3.3V power supply
Error signal input for the laser automatic power control
ADIP duplex FM signal (22.05 kHz ± 1 kHz) input from the CXA2523R (IC101)
Filter f0 control signal output to the CXA2523R (IC101)
Serial latch signal output to the CXA2523R (IC101)
Serial clock signal output to the CXA2523R (IC101)
Writing data output to the CXA2523R (IC101)
Control signal output to the reference voltage generator circuit for the laser automatic power control
PWM signal output for the laser automatic power control Not used (open)
Tracking servo drive PWM signal (–) output to the BH6511FS (IC152)
Tracking servo drive PWM signal (+) output to the BH6511FS (IC152)
Power supply terminal (+3.3V) (digital system)
Focus servo drive PWM signal (–) output to the BH6511FS (IC152)
– 94 –
Function
Not used (fixed at "H")