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103
89
A SHUT
O
A deck reel pulse detect signal output.
90
B SHUT
O
B deck reel pulse detect signal output.
91
B HALF/REC A/REC B
I
B deck half detect signal input./A deck or B deck record detect signal input.
92
MODEL-IN
I
MODEL input.
93
SPEC-IN
I
Version select signal input.
94
POWER
O
POWER ON/OFF signal output. H=ON, L=OFF
95
SENS
I
BD condition signal input.
96
AVSS
—
Analog ground.
97
HOLD
I
MODE signal input.
98
VREF
—
Analog Reference Voltage
99
AVCC
—
Analog Power Supply
100
XRST
O
CD reset signal output.
Pin No.
Pin Name
I/O
Descriptions
Summary of Contents for HCD-VZ50MD
Page 8: ...8 BD CD board BD CD BOARD To repair the BD CD board remove the bottom plate Bottom view ...
Page 57: ...HCD VZ50MD 57 57 7 4 SCHEMATIC DIAGRAM DECK SECTION E Page 64 TO MAIN BOARD 16 ...
Page 64: ...HCD VZ50MD 64 64 7 11 SCHEMATIC DIAGRAM MAIN 1 4 SECTION ...
Page 65: ...HCD VZ50MD 65 65 7 12 SCHEMATIC DIAGRAM MAIN 2 4 SECTION See page 89 for IC Block Diagrams ...
Page 67: ...HCD VZ50MD 67 67 7 14 SCHEMATIC DIAGRAM MAIN 4 4 SECTION See page 89 for IC Block Diagrams ...
Page 71: ...HCD VZ50MD 71 71 7 18 SCHEMATIC DIAGRAM DIGITAL 2 2 SECTION See page 92 for IC Block Diagrams ...
Page 73: ...HCD VZ50MD 73 73 7 20 SCHEMATIC DIAGRAM AMP SECTION ...
Page 77: ...HCD VZ50MD 77 77 7 24 SCHEMATIC DIAGRAM SWITCH SECTION ...
Page 83: ...HCD VZ50MD 83 83 7 32 SCHEMATIC DIAGRAM POWER SUPPLY SECTION ...