– 85 –
Pin Name
I/O
Function
46
BUS XWRL
I
Not used
47
LO. BOOST
I
Not used
48
AUDIO MUTE
O
Audio mute output “L” : mute
49
LOAD OUT
I
Not used
50
LOAD IN
I
Not used
51
INSW
I
Not used
52
OUTSW
I
Not used
53
MODEL 1
I
L : System input (Fixed at “L”)
54
MODEL 2
I
L : System input (Fixed at “L”)
55
TBLL
I
Not used
56
TBLR
I
Not used
57
ENC 1
I
Not used
58
ENC 2
I
Not used
59
ENC 3
I
Not used
60
—
I
Not used
61
—
I
Not used
62
VCC
–
+5V power supply
63
—
I
Not used
64
VSS
–
Ground
65
A7
O
Video mute output “L”
66 to 71
A6 to A1
I
Not used
72
U to I
I
IIC convertion microcomputor transmittion input
73
TEST LED
O
TEST LED for MPEG decoder
74
TEST 1
I
Test mode for Video CD check
75
TEST 2
I
Test mode for servo check
76
TEST 3
I
Not used
77
DEVICE RESET
O
Device system rest output “L” : reset
78
STANDBY
I
Not used
79
FL CS
I
Not used
80
FL
I
Not used
81 to 88
D7 to D0
I
Not used
89
MIC CTRL
I
Not used
90
KEY 1
I
Not used
91
KEY 2
I
Not used
92
KEY 3
I
Not used
93
NY/PAL
I
NTSC/PAL select switch input
94
MUSIC VOL
I
Not used
95
KEY 4
I
Not used
96
AVSS
–
A/D converter ground
97
MODE. SW
I
Not used
98
VREF
I
A/D converter reference voltage input (Connected to +5V)
99
AVCC
–
A/D con5V power supply
100
AMP. ON
I
Not used
Pin No.
Содержание HCD-VX90AV
Страница 8: ... 8 This section is extracted from instruction manual ...
Страница 26: ...HCD VX90AV 7 3 PRINTED WIRING BOARD BD SECTION See page 18 for Circuit Boards Location 33 34 Page 42 ...
Страница 28: ...HCD VX90AV 7 5 SCHEMATIC DIAGRAM DECK SECTION See page 79 for IC Block Diagrams 37 38 Page 53 B ...
Страница 44: ...HCD VX90AV 7 23 SCHEMATIC DIAGRAM FRONT AMP SECTION 69 70 Page 57 Page 52 Page 68 Page 77 ...