Pioneer DEH-P47DHUC, Service Manual

Page: 60 / 75

60
DEH-P77DH,P47DH
Pin No. Pin Name I/O Function and Operation
56 TSTB I CD-TEXT parameter strobe signal input
57 D.GND Logic circuit GND
58 TEST0 I Test pin
59 TEST1 I Test pin
60 ATEST O Test pin
61 A.GND Analog circuit GND
62 FD O Focus drive output
63 TD O Tracking drive output
64 SD O Sled drive output
65 MD O Spindle drive output
66 DAC0 O DAC output for adjustment
67 DAC1 O DAC output for adjustment
68 DAC2 O DAC output for adjustment
69 DAC3 O DAC output for adjustment
70 A.VDD Positive power supply terminal to analog circuit
71 EFM O EFM signal output
72 ASY I EFM comparator reference voltage input
73 C3T 3T detection capacitor additional pin
74 RFI I RF signal input for EFM data regulation
75 AGCO O RF signal output of after gain adjustment
76 AGCI I RF-AGC amplifier input
77 RFO O RF summing amplifier output
78 EQ2 RF amplifier equalizer parts additional pin
79 EQ1 RF amplifier equalizer parts additional pin
80 RF- I RF summing amplifier inverted input
81 A.GND Analog circuit GND
82 A I Photo detector A input
83 C I Photo detector C input
84 B I Photo detector B input
85 D I Photo detector D input
86 F I Photo detector F input
87 E I Photo detector E input
88 A.VDD Positive power supply terminal to analog circuit
89 REFOUT O Reference electric potential output
90 FE- I Focus error amplifier inverted input
91 FEO O Focus error amplifier output
92 TE- I Tracking error amplifier inverted input
93 TEO O Tracking error amplifier output
94 TE2 O Tracking error output of after amplification
95 TEC I Tracking comparator input
96 A.GND Analog circuit GND
97 PD I PD detection signal input for LD output monitor
98 LD O LD control current output
99 PN I APC circuit control polarity set pin
100 A.VDD Positive power supply terminal to analog circuit
*UPD63711GC
30
31
50
51 80
81
100
1
IC's marked by* are MOS type.
Be careful in handing them because they are very liable
to be damaged by electrostatic induction.