4-1
BVW-55
4-1
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Section 4
Schematic Diagrams and Frame Wiring
System
Board
Circuit Function
Page
Digital processing
SDI-23
4:2:2 component serial digital interface
4-90
Video processing
DEC-97
Analog composite decoder
4-30
VPR-59
Video signal processor
4-136
Video process D-A, Composite encoder
Audio processing
AFM-16
AFM REC/PB, PB audio level control
4-2
APR-42
Audio A-D and D-A, REC audio level control
4-8
AU-262
Longitudinal audio REC/PB
4-16
RF processing
DM-121
RF demodulator, TBC
*
4-34
MD-122
RF modulator
4-70
RP-107
RF REC/PB head amplifier
4-84
Timing generator
TG-191
Reference timing signal and clock generator
4-128
System control
SY-272
System control
4-120
Motor driver/sensor
SR-65
S tension sensor
4-103
SV-206
Servo control, Motor driver, Sensors
4-104
Control panel
KY-446
Control panel function
4-59
Display panel
CN-1541
Interconnection board
4-144
(interconnecting between color LCD and DP-300 board)
CN-1657
Interconnection board
4-144
(interconnecting between sub LCD and DP-264 board)
DP-264
Display panel control for sub LCD
4-52
DP-277
Audio meter LCD
4-53
DP-300
Display panel control for color LCD
4-54
Connector panel
CP-316
Connector board (AUDIO input/output, MONITOR output)
4-25
CP-317
Connector board
4-27
(VIDEO input/output, REF input, TC input/output, REMOTE)
DC-97
DC IN connector board
4-144
Power
RE-174
Switching regulator
4-79
Others
CN-1662
Interconnection board
4-144
(interconnecting between FL-251 and RE-174/CN-1779 boards)
CN-1779
Interconnection board
4-24
(mainly interconnecting between upper frame and MB-838 board)
FL-251
Battery terminal board
4-56
HP-88
Headphones jack
4-57
MB-838
Motherboard
4-62
PSW-63
Power switch
4-144
*
TBC: Time Base Corrector
Schematic Diagram Index
Page
A. AFM-16 .............................................................. 4-2
APR-42 ............................................................... 4-8
AU-262 ............................................................... 4-16
C. CN-1541 ............................................................. 4-144
CN-1657 ............................................................. 4-144
CN-1662 ............................................................. 4-144
CN-1779 ............................................................. 4-24
CP-316 ................................................................ 4-25
CP-317 ................................................................ 4-27
D. DC-97 ................................................................. 4-144
DEC-97 ............................................................... 4-30
DM-121 ............................................................... 4-34
DP-264 ................................................................ 4-52
DP-277 ................................................................ 4-53
DP-300 ................................................................ 4-54
F. FL-251 ................................................................ 4-56
H. HP-88 .................................................................. 4-57
K. KY-446 ............................................................... 4-59
M. MB-838 ............................................................... 4-62
MD-122 ............................................................... 4-70
P. PSW-63 ............................................................... 4-144
R. RE-174 ................................................................ 4-79
RP-107 ................................................................ 4-84
S. SDI-23 ................................................................. 4-90
SE-454 ................................................................ 4-144
SR-65 .................................................................. 4-103
SV-206 ................................................................ 4-104
SY-272 ................................................................ 4-120
T. TG-191 ................................................................ 4-128
V. VPR-59 ............................................................... 4-136
Frame Wiring ............................................................. 4-144
Summary of Contents for BVW-55
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