Sony DVP-NS300 Training Manual page 13

CIRCUIT BOARDS LOCATION
DVP-NS400/700
POWER BLOCK (HS15S1U)
NS500V)
(SWITCHING REGULATOR)
HS13SO3 IN -NS400
SI-31
(REMOTE COMMANDER
RECEIVER)
NOT IN -NS400
MS-81
(LOADING)
FIGURE 2-2 - CIRCUIT BOARD
Table 2-1 - MB Board Main IC Functions
IC Name DVP-NS400
Ref Number
RF Amp / IC202
Digital
Servo
EEPROM IC101
Flash / IC107
OTP
Syscon IC103
(ARP) / IC302
Servo DSP
Advanced
RF
Processor
16M DRAM IC303
BNR IC601
A/V IC503
Decoder
64M IC504 /
SDRAM IC505
Analog IC401
Servo
AI-23 FOR NS-400
(COMPLETELY DIFFERENT,
INCLUDES: AUDIO/VIDEO/
INTERFACE CONTROL
AV-59 NOT IN -NS400
(AUDIO/VIDEO OUT)
IF-84
(INTERFACE CONTROL)
FIGURE 2-2 - CIRCUIT BOARD
DVP-NS700
Ref Number
IC201
IC101
IC106 &
IC107
IC104
IC302
IC301
IC504
IC502
IC507
IC202
11
ER-15 IN -NS400
MB-101
(SIGNAL PROCESS, SERVO)
MB-98 IN -NS400
Purpose
DVD/CD RF Amp,
Servo
Servo Setting Data,
Emer. History, Hour
meter, Disc
Parameters.
Start up instructions /
sequence ROM
Overall Operation
CD/DVD Data
Processing, Servo
Control.
RAM for ARP IC302
Black Noise
Reduction
MPEG2, AC-3 ®
(Dolby Digital)
decoder
RAM for A/V Decoder
Analog Servo Control
2. Block Diagram