
6-6
BVW-55
SW
AND PIO
MPU CONTROL
INTERFACE,
DIAL
RAM
SIO
D-SUB 9P
DRIVER/
RECEIVER
RS-232C
INT
PIO
FRAME GEN.
SIO,CTC,
PIO,INT,
DECODE
ADDRESS
JOG/
SEARCH
DIAL SENSORS
ADDRESS AND DATA BUS
RAM
DATA
DATA
DATA
DATA
DATA BUS
BUFFER
ADDRESS
ADDRESS
ADDRESS
DRIVER/
RECEIVER
LINE
OSC
4.91 MHz
DP-264
AUDIO METER
REMOTE
SUB LCD
DP-277
(FACTORY USE)
AUX
KY-446
AUDIO/VIDEO
CONTROLVR
TRACKING VR
RV2,3,41,51,100-103
IC109,S100-139
IC103
CONTROL PANEL
KEY/LED
MATRIX
16 MHz
CK GEN.
IC111
DIAL I/F
IC105
KEY/LED
MATRIX
D1-57,103,S101-112
LCD PANEL
IC103
16 MHz
CK GEN.
IC110
NV-RAM
MPU
MPU
IC216
IC213
X201
IC203
IC206,208,209
BATTERY
AND
CRYSTAL
NV-RAM
RTC
IC120
BT101
POWER ON
RESET
LATCH
ADDRESS
RESET
IC108
SYS CPU
CK
L:SYS RESET
X101
IC104,105
40MHz
10MHz
8MHz
IC114
IC5-8
IC1,3
IC109-113
IC302
IC300
SYS BUS(A BUS,D BUS)
BUFFER
AND PIO
MPU CONTROL
INTERFACE,
RAM
BUFFER
IC312
IC311
IC307
IC301
AND PIO
MPU CONTROL
INTERFACE,
RAM
BUFFER
IC315
IC314
IC409
IC306
SUPERIMPOSE
CHARACTOR
CONTROL
OSC
X300,301
BUFFER
BUFFER
IC9-13
CN3 50P
CN2 3P
IC405-408
EVR
IC118
DP-300
SY-272
(EEPROM)
IC115
IC101
IC101
OSC
SIF1(SCK,CMD,RES,START)
CP-317(1/3)
SYS ROM
OVERALL (2/3)
Block Diagram
Summary of Contents for BVW-55
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