1-7
BVW-55
System Board Circuit Function Fig.
Digital processing SDI-23 4:2:2 component serial digital interface 4
Video processing DEC-97 Analog composite decoder 3
VPR-59 Video signal processor 2
Video process D-A, Composite encoder
Audio processing AFM-16 AFM REC/PB, PB audio level control 8
APR-42 Audio A-D and D-A, REC audio level control 9
AU-262 Longitudinal audio REC/PB !/
RF processing DM-121 RF demodulator, TBC
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MD-122 RF modulator 6
RP-107 RF REC/PB head amplifier !-
Timing generator TG-191 Reference timing signal and clock generator 5
System control SY-272 System control 7
Motor driver/sensor SR-65 S tension sensor !;
SV-206 Servo control, Motor driver, Sensors !=
Control panel KY-406 Control panel function !'
display panel CN-1541 Interconnection board @/
(interconnecting between color LCD and DP-300 board)
CN-1657 Interconnection board !.
(interconnecting between sub LCD and DP-264 board)
DP-264 display panel control for sub LCD !,
DP-277 Audio meter LCD @[
DP-300 display panel control for color LCD @-
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-174 Switching regulator @]
Others CN-1662 Interconnection board @,
(interconnecting between FL-251 and RE-174/CN-1779 boards)
CN-1779 Interconnection board #/
(mainly interconnecting between upper frame and MB-838 board)
FL-251 Battery terminal board @.
HP-88 Headphones jack !]
MB-838 Mother board 1
PSW-63 Power switch !\
*TBC: Time Base Corrector
1-4. Location of Main Parts and Circuit Functions
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