Sony ST-RDB940, Руководство по обслуживанию

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57
Pin No. Pin Name I/O Description
51 MD2 I MD 2 signal input from the system controller (IC1201)
52 HW STANDBY I Hardware standby signal input to the power control (IC1206)
53
RDS CLOCK I
Clock signal input from the RDS decoder (IC1)
54
RDS DATA I
Data input from the RDS decoder (IC1)
55
OSD VSYNC O
Video sync signal output to the video switch (IC2005) (used for STR-DB940 only)
56
OSD VBLK O
Video clock signal output to the video switch (IC2005) (used for STR-DB940 only)
57
P/N I
NTSC/PAL select signal input terminal
“L”: NTSC (except AEP and UK models) “H”: PAL (AEP and UK models)
58
U-RESET O
Reset signal output to the system controller (IC1201)
59
U-SREQ I
Slave request signal and data input from the system controller (IC1201)
60
U-MREQ O
Master request signal output to the system controller (IC1201)
61
U-DATA O
Master data output to the system controller (IC1201)
62
U-CLOCK O
Master clock signal output to the system controller (IC1201)
63
AUBUS-IN I
Audio bus input terminal
64
SPEAKER-A I
Speaker A select signal input terminal
65
SPEAKER-B I
Speaker B select signal input terminal
66
POW-KEY IN I
Power switch (S150) input terminal “L” is input when this key pressing
67
AUBUS-OUT O
Audio bus output terminal
68
VERSION IN 1 I
Setting terminal for version 1 input
69
VERSION IN 2 I
Setting terminal for version 2 input
70
VERSION IN 3 I
Setting terminal for version 3 input
71
VERSION IN 4 I
Setting terminal for version 4 input
72
VERSION IN 5 I
Setting terminal for version 5 input
73
VERSION OUT 1 O
Setting terminal for version 1 output
74
VERSION OUT 2 O
Setting terminal for version 2 output
75
JOG-UP I
Jog dial up input terminal (RV102)
76
JOG-DOWN I
Jog dial down input terminal (RV102)
77
RESET I
Reset signal input from the power control (IC1206)
78
FUNCTION UP I
Function encoder up input terminal (RV101)
79
FUNCTION DOWN I
Function encoder down input terminal (RV101)
80
NC —
Not used (fixed at “L”)
81
VSS —
Ground terminal
82
XO O
System clock output terminal (16MHz)
83
XI I
System clock input terminal (16MHz)
84
VCC —
Power supply terminal (+5V)
85, 86
NC —
Not used (fixed at “L”)
87
LED CLOCK I
LED clock signal input from the LED drive (IC106)
88
LED DATA I
LED data input from the LED drive (IC106)
89 LED CE I
LED chip enable signal input from the LED drive (IC106)
90
LED CLEAR I
LED clear signal input from the LED drive (IC106)
91, 92
NC —
Not used (fixed at “L”)
93
MBUS-V1 I
V1 (M BUS) control signal input from the video select switch (IC253)
94
MBUS-DVD I
DVD (M BUS) control signal input from the video select switch (IC253)
95
MBUS-TV I
TV (M BUS) control signal input from the video select switch (IC253)
96
MBUS-STATUS I
STATUS (M BUS) control signal input from the video select switch (IC253)
97
2WAY O
Control A1 on/off control for signal output to the SIRCS driver (IC106)
(used for STR-DB940 only)