Block Diagrams; Overall Block Diagram - Sony RMT-D172A Service Manual

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3-1. OVERALL BLOCK DIAGRAM

BASE UNIT
INLIMIT
SENSOR
FOCUS
COIL
TRACKING
COIL
IC201
SPINDLE
FOCUS
TRACKING
M
COIL DRIVE,
SPINDLE/SLED
SLED
/LOADING
M MOTOR DRIVE
LOADING
M
TRAY
DETECT
T E
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SWITCHING
REGULATOR
PS401
PS402
PRIMARY
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SECTION 3

BLOCK DIAGRAMS

IC104 IC101
SDRAM Flash ROM
I2C
IC103
EEPROM
SPDIF
480i:8bit:27MHz
IC102 480P:20bit:27MHz
IC503
SYSTEM CONTROL
IP
AV DECODER
CONVERTER
SERVO DSP
RF AMP
IC502
SDRAM
SIO
SW+8V
SW+5V
SW+3.3V
EVER-10V
SW+5V
EVER+11V
SW+3.3V
EVER+5V
P-CONT
SW+8V
PL035 BOARD
IC404
IF MICON
PL &
POWER SW
ND401
DISPLAY
IF115 BOARD
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MB118 BOARD
IC301
8ch AUDIO D/A
CONVERTER
IC506
VIDEO D/A
CONVERTER
IC507
SCALER
IC602
HDMI
480P/720P
TRANSMIT
480i/1080i
I2C
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I2C
3 7 6 3
IC601
8bit CPU
IC401
REG
EVER+3.3V
IC408
RESET
KEY
FUNCTION
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AV086 BOARD
J101
IC303
2ch AUDIO OUT
AUDIO AMP
IC201/202/203
J201
AUDIO AMP
5.1ch AUDIO OUT
IC301
DIGITAL OUT
J301
COAXIAL OUT
IC103
J101
VIDEO AMP
COMPOSITE OUT
J102
S-VIDEO OUT
J103
COMPONENT OUT
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J104
Control-S IN
(UC2 Model Only)
VIDEO OFF
SW-10V
SW+5V
EVER+11V
MUTE+5V
Notes:
MB118 mounted PWB must be replaced
if IC103(EEPROM) is damaged or not functioning.
The old MB118 mounted PWB must be completely
m
destroyed before disposal, as required by CPRM-key regulation.
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