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2-7. Circuit Function
2-7. Circuit Function
System configuration
No.
Digital process
1
2
Video process
3
Analog BETACAM
4
video PB process
5
6
Audio process
7
RF process
8
System/servo control
9
10
11
12
Mech. deck
13
driver/sensor
14
15
16
17
18
19
20
21
22
23
24
25
Cassette
26
compartment
27
28
Front panel
29
30
31
32
33
34
35
2-8
Board name
Circuit function
DPR-71D
Digital data processor (Outer error correction)
DPR-73F
Digital data processor (Audio/Video processor)
VPR-17F/17FP
Video signal processor (A-D, D-A, Reference clock generator, Composite encoder)
DM-89/89P
RF demodulator for Analog Betacam PB
TBC-24/24P
TBC (A-D, Write clock generator)
TBC-23/23PG
TBC (Sequence and Reference)
APR-12F/12FP
Audio D-A (Monitor), Analog Betacam audio (LAU) PB circuit
EQ-56F
RF equalizer (PB EQ, Analog BETACAM PB buffer, Inner error correction)
SS-63
System control, Servo control
MS-50
Solenoids driver (Pinch, Brakes, Cleaning), Sensors input, Degaussing head driver
DR-315
Motors driver (Drum, Capstan, Reels, Threading, Reel shift, Cassette up/down)
TC-96D
TC PB circuit
SE-341
Connection board with Condensation sensor
PTC-54
Threading FG
CCM-15
Threading motor
CCM-15
Reel shift motor
PD-35
Pinch solenoid connection, Tape end sensor connection
TR-79
T tension sensor, Threading-end and Unthreading-end sensors
PTC-59
Cassette's holes sensor
RM-82/181
T reel motor
SE-344
T reel FG
RM-82/181
S reel motor
SE-344
S reel FG
PTC-71
Reel position sensors
TR-78
S tension sensor
CL-29
Cassette up/down motor, Cassette down sensors
LP-81
Lamp of cassette compartment
PC-70
Cassette-in sensors, Cassette size sensor
FP-91
Panel function (Switches, LEDs) control, CAV control level conversion
VR-223D
Phone level VRs, Phone connector
VR-207
Audio PB level
SWC-30F
Upper control panel function (Switches, LEDs)
SWC-31F
Sub control panel function
KY-364F
Lower control panel function
PTC-69
Search dial sensor, Dial solenoid connection
DNW-A22/A22P
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