Sony HCD-CP33 Service Manual page 59

Pin No. Pin Name
48
D1
49 D0
50, 51 D2, D3
52
MVCI
53
ASYO
54 ASYI
55 AVDD
56
BIAS
57 RFI
58 AVSS
59 PCO
60
FILI
61 FILO
62 CLTV
63 PEAK
64
BOTM
65 ABCD
66 FE
67
AUX1
68 VC
69 ADIO
70 AVDD
71
ADRT
72 ADRB
73 AVSS
74 SE
75
TE
76 DCHG
77 APC
78
ADFG
79 F0CNT
80 XLRF
81 CKRF
82 DTRF
83
APCREF
84 TEST0
85 TRDR
• 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)
O (A) Filter output for the recording/playback EFM master PLL
I (A) Internal VCO control voltage input for the recording/playback EFM master PLL
I (A) Light amount signal peak hold input from the CXA2523R
I (A) Light amount signal bottom hold input from the CXA2523R
I (A) Light amount signal input from the CXA2523R
I (A) Focus error signal input from the CXA2523R
I (A) Auxiliary A/D input
I (A) Middle point voltage (+1.5V) input from the CXA2523R
O (A) Monitor output of the A/D converter input signal (Not used)
— +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)
I (A) Sled error signal input from the CXA2523R
I (A) Tracking error signal input from the CXA2523R
I (A) Connected to +3V power supply
I (A) Error signal input for the laser digital APC (Fixed at "L")
ADIP duplex FM signal input from the CXA2523R (22.05 ± 1 kHz)
I (S)
O Filter f0 control output to the CXA2523R
O Control latch output to the CXA2523R
O Control clock output to the CXA2523R
O Control data output to the CXA2523R
O Reference PWM output for the laser APC
O PWM output for the laser digital APC (Not used)
O Tracking servo drive PWM output (–)
Function
59