Sony Betacam SX DNW-A22, Руководство по обслуживанию

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