Pioneer DEH-1900R/XU/EW5 Service Manual page 56

1
Pin No. Pin Name
ASY
74
75 ATEST
A
76 A.VDD
77 A.GND
78 RFI
79 AGCO
80 C3T
81 AGCI
82 RFO
83 EQ2
84 EQ1
85 RF2-
86 RF-
87 A.GND
B
88 A.VDD
89 A
90 B
91 F
92 E
93 REFOUT
94 FE-
95 FEO
96 ADCIN
97 TE-
98 TEO
99 TE2
C
100 TEC
PE5497B
1
D
25
E
F
56
1
2
Function and Operation
I/O
I Slice level
Analog test
O
Power supply for the analog system
Ground for the analog system
RF signal input
I
AGC amp output
O
Capacitance connection for 3T signal detecting circuit
I AGC amp input
RF amp output
O
Equalizer parts connection for RF amp
Equalizer parts connection for RF amp
Impedance connection to RF amp for negative feedback
I
Impedance connection to RF amp for negative feedback
I
Ground for the analog system
Power supply for the analog system
Error signal input
I
Error signal input
I
Error signal input
I
Error signal input
I
Reference output
O
Impedance connection to focus error amp for negative feedback
I
O Focus error amp output
A/D converter input
I
Impedance connection to tracking error amp for negative feedback
I
Tracking error amp output
O
Tracking error amp output multiplied by two
O
I Tracking error comparator
75
51
DEH-1900R/XU/EW5
2
3
3
4
4