Sony STR-DE485E - Circuit Boards Location

STR-DE485/DE485E
15 15
4-2. CIRCUIT BOARDS LOCATION
MAIN board
STANDBY board
AC SELECT board
VIDEO board
DIGITAL boar
d
POWER SW board
HEADPHONE board
DISPLAY board
56 POWER KEY I Detect power switch key
57 JOG (B) I Jog encoder signal input (Not used)
58 JOG (A) I Jog encoder signal input (Not used)
59 VOL (B) I Volume encoder signal input
60 VOL (A) I Volume encoder signal input
61 DIN O Serial data output to FL driver
62 CLK O Clock signal output to FL driver
63 FL_STB O Strobe signal output to FL driver
64 CONTROL A1 OUT O Control A1 signal output
65 CONTROL A1 IN I Control A1 signal input
66 POWER RELAY O Control power relay driver output
67 PROTECTOR I Detect protector status input
68 HEADPHONE RELAY O Control headphone relay driver output
69 WOOFER RELAY O Control woofer speaker relay driver output
70 REAR RELAY O Control rear speaker relay driver output
71 CENTER RELAY O Control center speaker relay driver output
72 PREOUT/FRONT RELAY O Control front speaker relay driver output
73 TUNED O Tuned signal output to tuner
74 STEREO O Stereo signal output to tuner
75 MUTE O Mute signal output to tuner
76 DO I Serial data input for tuner
77 RSTX I Reset signal input
78 SLATCH O Latch signal to tuner
79 X1A — Not used (open)
80 X0A — Not used (connected to ground)
81 VSS — Ground
82 X0 I Clock signal input (20 MHz)
83 X1 O Clock signal output (20 MHz)
84 VCC3 I Power supply
85 NC I Not used
86 NC O Not used
87 to 90 SW4 to SW1 O Video input select signal output
91 SELECT1 O Optical input select signal output (Not used)
92 SELECT2 O Optical input select signal output (Not used)
93 XMODE O Mode signal output to DIR
94 CKSEL1 O Clock select signal output to DIR
95 CLK O Clock signal output to DIR
96 CE O Chip select signal output to DIR
97 DI O Serial data output to DIR
98 DO I Serial data input for DIR
99 ERROR I Error signal input for DIR
100 XSTATE I XSTATE signal input for DIR
Pin No. Pin Name I/O Description