Sony HCD-MDX10 - Compact Disk Deck Receiver Component Service Manual page 78

Pin No. Pin Name
48 D1
49 D0
D2, D3
50, 51
52 MVCI
ASYO
53
ASYI
54
55 AVDD
BIAS
56
RFI
57
58 AVSS
PCO
59
FILI
60
61 FILO
CLTV
62
63 PEAK
64 BOTM
ABCD
65
66 FE
AUX1
67
VC
68
69 ADIO
AVDD
70
71 ADRT
72 ADRB
AVSS
73
74 SE
TE
75
DCHG
76
77 APC
ADFG
78
F0CNT
79
80 XLRF
CKRF
81
DTRF
82
83 APCREF
TEST0
84
TRDR
85
• Abbreviation
EFM: Eight to Fourteen Modulation
PLL : Phase Locked Loop
VCO: Voltage Controlled Oscillator
I/O
I/O
I/O Data input/output for DRAM
I/O
Clock input from an external VCO (Fixed at "L")
I (S)
O Playback EFM duplex signal output
I (A) Playback EFM comparator slice level input
+3V power supply (Analog)
—
I (A) Playback EFM comparator bias current input
I (A) Playback EFM RF signal input
Ground (Analog)
—
O (3) Phase comparison output for the recording/playback EFM master PLL
Filter input for the recording/playback EFM master PLL
I (A)
Filter output for the recording/playback EFM master PLL
O (A)
I (A) Internal VCO control voltage input for the recording/playback EFM master PLL
Light amount signal peak hold input from the CXA2523R
I (A)
I (A) Light amount signal bottom hold input from the CXA2523R
Light amount signal input from the CXA2523R
I (A)
Focus error signal input from the CXA2523R
I (A)
I (A) Auxiliary A/D input
Middle point voltage (+1.5V) input from the CXA2523R
I (A)
Monitor output of the A/D converter input signal (Not used)
O (A)
— +3V power supply (Analog)
A/D converter operational range upper limit voltage input (Fixed at "H")
I (A)
I (A) A/D converter operational range lower limit voltage input (Fixed at "L")
— Ground (Analog)
Sled error signal input from the CXA2523R
I (A)
I (A) Tracking error signal input from the CXA2523R
I (A) Connected to +3V power supply
Error signal input for the laser digital APC (Fixed at "L")
I (A)
I (S) ADIP duplex FM signal input from the CXA2523R (22.05 ± 1 kHz)
O Filter f control output to the CXA2523R
0
Control latch output to the CXA2523R
O
O Control clock output to the CXA2523R
O Control data output to the CXA2523R
Reference PWM output for the laser APC
O
O PWM output for the laser digital APC (Not used)
O Tracking servo drive PWM output (–)
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Function