Sony STR-KSL50 Service Manual page 22

STR-KSL50
Pin No. Pin Name
53 RDS DATA
54 SIRCS
55 FUSE DETECT
56 POWER KEY
57, 58 NOT IN USE
59 VOL(B)
60 VOL(A)
61 DIN
62 CLK
63 FL_STB
64 FAN_ON
65 FAN_CLK
66 POWER RELAY
67 PROTECTOR
68 F_CTRL2
69 F_CTRL1
70 REAR RELAY
71 CENTER RELAY
72 FRONT RELAY
73 TUNED
74 STEREO
75 MUTE
76 DO
77 RSTX
78 SLATCH
79 X1A
80 X0A
81 VSS
82 X0
83 X1
84 VCC3
85 NOT IN USE
86 NC
87 to 92 NOT IN USE
93 XMODE
94 CKSEL1
95 CLK
96 CE
97 DI
98 DO
99 ERROR
100 XSTATE
22
I/O
I RDS data input from the tuner
I Data input from the remote control receiver
I Fuse open detection signal input
I Power switch detection signal input
I Not used (fixed at "L")
I Volume signal input from the rotary encoder
I Volume signal input from the rotary encoder
O Serial control data output to the FL/LED driver (IC152)
O Clock signal output to the FL/LED driver (IC152)
O Latch signal output to the FL/LED driver (IC152)
I Fan on level detection signal input
I Feedback signal input from the fan (FAN901)
O Power relay drive signal output
I Protect detection signal input
O Fan speed control signal output
O Fan ON/OFF control signal output
O Surround speasker relay control signal output
O Center speasker relay control signal output
O Front speasker relay control signal output
I Tuning a frequency detection signal input from the tuner
I Stereo detection signal from the tuner
O Muting control signal output to 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 the ground)
— Ground terminal
I Terminal for a oscillator
O Terminal for a oscillator
— Power supply terminal (+3.3V) (STBY)
I Not used (fixed at "L")
I Not used (fixed at "L")
I Not used (fixed at "L")
O Reset signal output to the DIR (IC1101)
O Clock selection signal output to the DIR (IC1101)
O Clock output to the DIR (IC1101)
O Chip enable signal output to the DIR (IC1101)
O Data output to the DIR (IC1101)
I Data input from the DIR (IC1101)
I PLL lock error, data error flag input from the DIR (IC1101)
I XSTATE signal input from the DIR (IC1101)
Description