Sony DNW-A220, Руководство по обслуживанию

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6-8
DNW-A220
DNW-A220P
SW
SIFI
INT
PIO
MPU
AND PIO
MPU CONTROL
INTERFACE,
X100
OSC
DRIVE
KEY/LED
MATRIX
DIAL
DIAL I/F
RAM
ADDRESS
LATCH
40 MHz
CLOCK
RESET
RESET
POWER ON
SY1 CPU
NV-RAM
RAM
ADDRESS
LATCH
ADDRESS AND DATA BUS
40 MHz
CLOCK
RESET
SY2 CPU
SIO
CHARACTER
D-SUB 9P
FRAME GEN.
SIO,CTC,
PIO,INT,
DECODE
ADDRESS
DRIVER/
RECEIVER
RS-232C
INT
PIO FRAME GEN.
SIO,CTC,
PIO,INT,
DECODE
ADDRESS
SW
DRIVER/
RECEIVER
RS-232C
(FACTORY USE)
40 MHz
OSC
20 MHz
JOG/
SEARCH
DIAL SENSORS
DIAL SOL.
L:RESET
L:RESET
SY1
ROM
ROM
SY2
DIAL SOL.
ADDRESS AND DATA BUS
MPU
SY2(A BUS, D BUS)
SY2(A BUS, D BUS)
COMMON
RAM
DATA
DATA
DATA DATA
DATA BUS
BUFFER
ADDRESS
ADDRESS
ADDRESS
10, 8, 5, 2.5 MHz
RAM
DATA
DATA
DATA DATA
DATA BUS
BUFFER
ADDRESS
ADDRESS
ADDRESS
SY1(A BUS, D BUS)
SY1(A BUS, D BUS)
CONTROL
SUPERIMPOSE
DRIVER/
RECEIVER
LINE
OSC
4.91 MHz
OSC
SY-259/259A
DP-264/264A
AUDIO METER
SE-454
SY-260
SCAN
CONV.
IC213
IC211
IC212
IC117
IC201
X200
IC203
IC204
IC207
IC112
IC107
IC2-5
IC114,116
IC102,108-111
IC106
IC100
IC307
IC308
SY-261
IC303
X300,301
IC400
DP-265/265A
IC110
AUDIO/VIDEO
LEVEL VR
RV2,3,41,51,100-103 IC105
IC109,S100-139
CONTROL PANEL
IC111
16 MHz
LCD PANEL
KEY/LED
S101-112
D103-111
CN203 3P
IC212
IC210
IC211
IC116
IC110
IC2-5
IC115
IC109,111-114
IC108
X101
IC104,105
SY-261
REMOTE
CONTROL PANEL
LCD PANEL CONTROL
KY-400(1/2)(RECORDER)
KY-406(1/2)(PLAYER)
IC101
OSC
X100
SUB LCD
OSC
X100
DP-277
(FACTORY USE)
CN2 3P
AUX
16 MHz
CP-317
*1
*1
*1 SY-259 AND/OR SY-260 BOARD SUFFIX
-12 AND HIGHER:RAMS ON THE SY-259/260 BOARD
-11:RAMS ON THE SY-261 BOARD
(2/2)
OVERALL (2/3)
Block Diagram