Sony STR-LV500 Service Manual page 12

STR-LV500
Pin No. Pin Name
51 MD2
52 RDS INT
53 RDS DATA
54 SIRCS
55 DIAG
56 POWER KEY
57 NOT IN USE
58 NOT IN USE
59 SCDT
60 SHIFT
61 DIN
62 CLK
63 FL_STB
64 FAN_ON
65 FAN_CLK
66 VOL(B)
67 VOL(A)
68 TC74153H B
69 TC74153H A
70 NJU4066
71 TC4052A
72 TC4052B
73 TUNED
74 STEREO
75 MUTE
76 DO
77 RSTX
78 SLATCH
79 X1A
80 X0A
81 VSS
82 XO
83 XI
84 VCC3
85 RST
86 NSMUTE
87 NC
88 NC
89 LAT3
90 LAT2
91 LAT1
92 EN
93 XMODE
94 CKSEL1
95 CLK
96 CE
97 DI
98 DO
99 ERROR
100 XSTATE
12
I/O
I Flash programming MD2 input
I RDS clock input to tuner
I RDS data input to tuner
I Data input from the remote control receiver
I Protect
I Power swich detection signal input
I Not used (pull down)
I Not used (pull down)
O IC405, 408, 411 control
O IC405, 408, 411 control
O Serial data output to µPD16315
O Clock signal output to µPD16315
O STB signal output to µPD16315
I Fan motor on detection signal input
I Feedback signal input from fan motor
I Volume signal input from the rotary encoder
I Volume signal input from the rotary encoder
O IC105 control (Digital input select switch)
O IC105 control (Digital input select switch)
O IC106 control (Analog input select switch)
O IC108 control (Analog input select switch)
O IC108 control (Analog input select switch)
I Tuning a frequency detection signal input from the tuner
I STEREO tuning signal from the tuner
O Muting control signal output from the tuner
I Data input from the tuner
I System reset input
O Serial control latch signal output to the tuner
— Not used (open)
— Not used (connected to ground)
— Ground
O Clock output (16MHz)
I Clock input (16MHz)
— Power supply (+3.3V (STBY))
O Resets IC405, 408, 411
O IC405, 408, 411 NS mute
I Not used (pull down)
I Not used (pull down)
O Latches IC411
O Latches IC408
O Latches IC405
O Controls IC404, 406, 407, 410, 412
O Reset signal output to LC89056W
O Selects IC111 output clock
O Clock signal output to LC89056W
O Chip enable signal output to LC89056W
O Write data output to LC89056W
I Read data input from LC89056W
I PLL lock error, data error flag input from LC89056W
I Source clock selection monitor input from LC89056W
Description