Sony DNW-A220, Руководство по обслуживанию

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1-9
DNW-A220
DNW-A220P
System Board Circuit Function Fig.
Digital processing DPR-87 Digital data processor
8
Video BRR * encoder/decoder, ECC ** encoder/decoder(Outer error correction)
SDI-23 4:2:2 component serial digital interface
5
Video processing VPR-34 Video signal processor
7
Video process D-A, Composite encoder
DEC-97 Analog composite decoder
4
Analog Betacam DM-114 (for DNW-A220) RF demodulator for analog Betacam PB, TBC ***
!]
video PB processing DM-114P (for DNW-A220P)
(only for player)
Audio processing APR-27 Audio signal processor
3
AU-249 Audio A-D (Analog CH1/2 input), Audio D-A (Analog CH1/2 output)
2
AU-249A (for Recorder) Audio D-A (Monitor output)
PA-218 Head amplifier for analog Betacam PB
!=
RF processing EQ-72 RF equalizer
!-
REC current control, PB EQ, Analog Betacam PB buffer
Inner error correction
Timing generator TG-191 (for DNW-A220) Reference timing signal and clock generator
6
TG-191P (for DNW-A220P)
System control SY-259/259A System control (SYS1)
!/
SY-260 System control (SYS2)
9
Motor driver/sensor SV-194 Servo control, Motor driver, Sensors
![
SR-65 S tension sensor
!'
Control panel KY-400 Control panel function for recorder
!.
KY-406 Control panel function for player
!,
display panel DP-264/264A display panel control for sub LCD
@/
DP-265/265A display panel control for color LCD
@[
DP-277 Audio meter LCD
@\
CN-1541 Interconnection board
@=
(interconnecting between color LCD and DP-265/265A board)
CN-1657/1657A Interconnection board
@-
(interconnecting between sub LCD and DP-264/264A board)
Inverter Inverter for color LCD
@]
Connector panel CP-316 Connector board (AUDIO input/output, MONITOR output)
#/
CP-317 Connector board
@.
(VIDEO input/output, REF input, TC input/output, REMOTE)
DC-97 DC IN connector board
@,
Power RE-150 Switching regulator
@;
RE-158 Breaker
@'
Others MB-757 Mother board
1
CN-1535/1535A Interconnection board
#[
(mainly interconnecting between upper frame and MB-757 board)
CN-1662 Interconnection board
#-
(interconnecting between FL-251 and RE-150/CN-1535/1535A boards)
FL-251 Battery terminal board
#=
HP-88 Headphones jack
!\
PSW-63 Power switch
!;
*
BRR: Bit Rate Reduction
**
ECC: Error Correction Coding
***
TBC: Time Base Corrector
1-4. Location of Main Parts and Circuit Function