Sony STR-DE915 Service Manual page 22

Pin No. Label Name I/O
51 GND
52 AUBUS IN
53 AUBUS OUT
54 GND
55 EN-FNC.B
56 EN-FNC.A
57 UP/DOWN-B
58 UP/DOWN-A
59 LEFT/RIGHT-B
60 LEFT/RIGHT-A
61 GND
62 RESET
63 Vss
64 X0
65 X1
66 Vcc
67 LED- TUNER
68 LED-PHONO
69 LED-MUTE
70 LED-LEARN
71 LED-DIRECT
72 LED-INPUT
73 LED-VOL
74 LED-BASSB
75 SP-A
76 SP-B
77 PW-SW
78 LED-TV (V)
79 LED-LD (V)
80 MBUS-V1
— L: HiFi, H: ES.
I Control-A1.
O Control-A1.
— Ground.
I Encoder input (Function-B).
I Encoder input (Function-A).
— Not used.
— Not used.
— Not used.
— Not used.
— Ground.
I Reset.
— Ground.
O Ceramic oscillator, 4 MHz.
I Ceramic oscillator, 4 MHz.
— 5V (Backup power supply).
O LED output (TUNER).
O LED output (PHONO).
O LED output (MUTE).
O LED output (IR-LEARN).
O LED output (DIRECT PASS).
O LED output (DISCRETE).
O LED output (VOLUME).
O LED output (BASS BOOST).
I SPEAKER A signal input.
I SPEAKER B signal input.
I POWER key input.
O LED output (TV) for video.
O LED output (LD) for video.
I M-BUS (VIDEO 1) input.
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Description