Pioneer FH-2037 ZF X1R/UC, Service Manual

Page: 68 / 78

68
1 2 3 4
1 2
3 4
F
E
D
C
B
A
FH-2037ZF/X1R/UC
Pin No. Pin Name I/O Function and Operation
73-88 RDB0-15 I/O Input/output of DRAM Data0-15
89 D.GND Ground for digital circuits
90-99 RA0-9 O Output of DRAM Address0-9
100 D.VDD Power supply for digital circuits
101-104 TEST0-3 I Connected to GND
105 FD O Output of focus drive PWM
106 TD O Output of tracking drive PWM
107 SD O Output of thread drive PWM
108 MD O Output of spindle drive PWM
109 A.VDD Power supply for the analog system
110 ATEST O Analog tests
111 EFM O Output of EFM signals
112 ASY I Input of asymmetry
113 C3T Connection to the capacitor for detecting 3T
114 A.GND Ground for the analog system
115 RFI I Input of RF
116 AGCO O Output of RF
117 AGCI I Input of AGC
118 RFO O Output of RF(AGC)
119, 120 EQ2, 1 Equalizer 2, 1
121 RF2- I Reversal input of RF2
122 RF- I Reversal input of RF
123 A.GND Ground for the analog system
124 A I Input of A
125 C I Input of C
126 B I Input of B
127 D I Input of D
128 F I Input of F
129 E I Input of E
130 A.VDD Power supply for the analog system
131 REFOUT O Output of reference voltage
132 REFC Connected to the capacitor for output of REFOUT
133 FE- I Reversal input of FE
134 FEO O Output of FE
135 TE- I Reversal input of TE
136 TEO O Output of TE
137 TE2 O TE2
138 TEC I TEC
139 A.GND Ground for the analog system
140 LDREGO O Output of REG voltage for APC
141 PD I Input of PD
142 LD O Output of LD
143 PN I Assignment of pickup polarity
144 A.VDD Power supply for the analog system
* UPD63760GJ
36
37
72
73
144
1
109
108