Sony STR-DA7ES Service Manual page 21

Pin No. Pin Name I/O
51 A1O O Control A1 signal output to UART (IC1901)
52 MD2 I Mode signal input
53 MD1 I Connected to VCC.
54 MD0 I Mode signal input
55 RSTX I System reset input
56 VCC — Power supply pin (+3.3 V)
57 X1 I External crystal terminal (16.5 MHz)
58 X0 O External crystal terminal (16.5 MHz)
59 VSS — Ground pin
60 STOP I AC power OFF signal input
61 RDS CLK I Clock signal input from RDS
62 POWER SW I Power switch input
63 MBUS-STS1 I M-BUS status input
64 MBUS-STS2 I M-BUS status input
65 MBUS-STS3 I M-BUS status input
66 SIRCS I SIRCS serial data input
67 MBUS-STS4 I M-BUS status input
68 VCC — Power supply pin (+3.3 V)
69 PWRY O AC power relay drive signal output
70 MSTO O M-BUS status output
71 HP I headphone connect signal input
72 PROT I Power amp protector signal input
73 ACMUTE O Power amp muting signal output
74 OSD-VSINC I V-sync signal input
75 NOUSE O Connected to GND.
76 OSD-LAT O OSD latch signal output
77 VCC — Power supply pin (+3.3 V)
78 RY-STB O STB signal output to NJU3716M (IC2103)
79 RY-CLR O Clear signal output to NJU3716M (IC2103)
80 FUN-LAT O Latch signal output to audio selector
81 VIDEO-RCK O RCK signal output to video selector
82 SUBVOL-LAT O Latch signal output
83 VOL-LAT O Latch signal output to EVR
84 TUN-TUNED I Tuned signal input from tuner (TU301)
85 TUN-STEREO I Stereo signal input from tuner (TU301)
86 TUN-LAT O Latch signal output to tuner (TU301)
87 TUN-DO O Serial data output to tuner (TU301)
88 TUN-MUTE O Mute signal output to tuner (TU301)
89 A1I I Control A1 signal input from UART (IC1901)
90 COM-CLK O Common clock output
91 COM-DATA O Common data output
92 RDS-DATA I Serial data input from RDS
93 RST TRG O Reset trigger output
94 PG3/OPTC O Digital (optical) input select signal output
95 PG4/OPTB O Digital (optical) input select signal output
96 TRG3 O 12 V trigger signal output
97 VCC — Power supply pin (+3.3 V)
98 VSS — Ground pin
99 EEPROM SDA I/O Serial data input/output to EEPROM (IC2002)
100 EEPROM SCL O Clock output to EEPROM (IC2002)
Pin Description
21
Pin No. Pin Name I/O
101 VSS — Ground pin
102 HCLK O H clock output to all DSP
103 HDIN O H data output to all DSP
104 FR-ASP I Speaker select switch signal input
105 OSD-CLK O Clock output
106 OSD-DAT O Serial data output
107 TRG2 O 12 V trigger signal output
108 TRGMAIN O 12 V trigger main signal output
109 SOT1 O Serial data output to RS-232C (J407)
110 SIN1 I Serial data input to RS-232C (J407)
111 FL CLK O Clock signal output to FL display (FL101)
112 FL DIN O serial data output to FL display (FL101)
113 FL LAT O Latch signal output to FL display (FL101)
114 FL CLR O Clear signal output to FL display (FL101)
115 FR-BSP I Speaker select switch signal input
116 JOGUP I JOG dial up signal input
117 JOGDOWN I JOG dial down signal input
118 FUNCUP I Function dial up signal input
119 FUNCDWN I Function dial down signal input
120 VOLUP O Volume dial up signal output
121 VOLDWN O Volume dial down signal output
122 VCC — Power supply pin (+3.3 V)
123 OPTA O Digital (optical) input select signal output
124 LEDCLR O Clock output to LED driver
125 LEDSTB O Strobe signal output toLED driver
126 DAVS (VSS) — Ground pin
127 DAVC (VCC) — Power supply pin (+3.3 V)
128 AVCC (VCC) — Power supply pin (+3.3 V)
129 AVRH (VCC) — Power supply pin (+3.3 V)
130 AVRL (VSS) — Ground pin
131 AVSS (VSS) — Ground pin
132 AD1 I Key function A/D input
133 AD2 I Key function A/D input
134 AD3 I Key function A/D input
135 AD4 I Key function A/D input
136 AD5 I Key function A/D input
137 VERSION I Version set terminal
138 RDS SIGNAL I RDS signal input
139 NOUSE I Connected to GND.
140 VCC2 — Power supply pin (+3.3 V)
141 BACKUP I Connected to VCC.
142 XOA O AEP model: Not used. (open) Except AEP model: Connected to GND.
143 XIA I Not used. (open)
144 VSS — Ground pin
21
STR-DA4ES/DA7ES/VA333ES
Pin Description