100
53
—
Not used.
54
—
Not used.
55
O
Not used.
56
MNT2 (XBUSY)
I
In the state of executive command from the CXD2662R
57
VSS2
—
Ground.
58
MNT1 (SHCK)
I
Track jump signal input from the CXD2662R
59
VCC2
—
Power supply. (+3.3V)
60
EEP-WP
O
EEP-ROM write protect signal output. L: write possibility
61
SDA (EEP)
I/O
Data signal input/output pin with the EEP-ROM.
62
BCLK/ALE/CLKO
—
Not used.
63
RD/DW
O
Read signal output.
64
BHE/CASH
—
Not used.
65
WR/CASL
O
Write signal output.
66
SCL
O
Clock signal output to the EEP-ROM.
67
REFLECT
I
Disk reflection rate detection input from the reflect detection switch. H: Disk with low reflection rate
68
PROTECT
I
Recording-protection claw detection input from the protection detection switch. H: Protect
69
CS0
O
Chip select signal output to the Flash ROM.
70
CS1
O
Not used.
71
O
Not used.
72
A20
O
Address bus signal output to Flash ROM.
73
A19
O
Address bus signal output to Flash ROM.
74
VCC3
—
Power supply. (+3.3V)
75
A18
O
Address bus signal output to Flash ROM.
76
VSS3
—
Ground
77 to 85
A17 to A9
O
Address bus signal output to Flash ROM.
86 to 89
SEL 3 to 0
O
Not used.
90
WP
O
Write protect signal to the Flash ROM.
91
VCC4
—
Power supply. (+3.3V)
92
A8
O
Address bus signal output to Flash ROM.
93
VSS4
—
Ground.
94 to 100
A7 to A1
O
Address bus signal output to Flash ROM.
101
LB
—
Not used.
102 to 113
D15 to D4
I/O
Data bus signal input/output to the Flash ROM.
114
CLIP-SEL
O
Not used.
115
IIC BUSY
O
IIC cable connect check. L: Active
116
DALOCK
I
LOCK signal input from D/A converter.
117
LINE-MUTE
O
Not used.
118
ADP DOWN
O
Reset signal output to the A/D converter.
119 to 122
D3 to D0
I/O
Data bus signal input/output to the Flash ROM.
123
SPDIF-CUT
I
Jog dial pulse input from the rotary encoder. (Not used.)
124
OPT SEL
O
Optical select signal output.
125 to 129
—
Not used.
130
VSS5
—
Ground.
131
O
Not used.
132
VCC5
—
Power supply. (+3.3V)
133
OP-LEVEL
I
Optical Pick-up voltage (current) detect signal input.
134 to 139
—
Not used.
140
AVSS
—
Ground. (Analog)
141
—
Not used.
142
VREF
—
Power supply. (+3.3V)
143
AVCC
—
Power supply. (+3.3V)
144
NC
I
Not used.
Function
Pin Name
Pin No.
I/O
Содержание HCD-VZ50MD
Страница 8: ...8 BD CD board BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Страница 57: ...HCD VZ50MD 57 57 7 4 SCHEMATIC DIAGRAM DECK SECTION E Page 64 TO MAIN BOARD 16 ...
Страница 59: ...HCD VZ50MD 59 59 7 6 SCHEMATIC DIAGRAM CD SECTION See page 50 for Waveforms See page 90 for IC Block Diagrams ...
Страница 64: ...HCD VZ50MD 64 64 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION ...
Страница 65: ...HCD VZ50MD 65 65 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 89 for IC Block Diagrams ...
Страница 67: ...HCD VZ50MD 67 67 7 14 SCHEMATIC DIAGRAM MAIN 4 4 SECTION See page 89 for IC Block Diagrams ...
Страница 71: ...HCD VZ50MD 71 71 7 18 SCHEMATIC DIAGRAM DIGITAL 2 2 SECTION See page 92 for IC Block Diagrams ...
Страница 73: ...HCD VZ50MD 73 73 7 20 SCHEMATIC DIAGRAM AMP SECTION ...
Страница 77: ...HCD VZ50MD 77 77 7 24 SCHEMATIC DIAGRAM SWITCH SECTION ...
Страница 83: ...HCD VZ50MD 83 83 7 32 SCHEMATIC DIAGRAM POWER SUPPLY SECTION ...