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