Block Diagram - Harman Kardon CDR20 Service Manual

BLOCK DIAGRAM

• CD RECORD SECTION
Spindle
motor
BA6664FM
Motor drive
CDR20
disc
LD
Driver
I / V AMP
Pick -up
(KRS-220c
:Sony)
Sled
motor
BA5983FM
F.T.S.T drive
BA5925
Sled Speed
M62352
12CH
8 bit DAC
CXA2551R
RF AMP
RF/Servo Signal
Wobble
ALPC
S/H 17.43 MHz
CPLD
Timing
Laser Control
Signal
S/H Signal Gen
OPC/
20MHz
ROPC
Circuit
H8/3062
System
Controller
AT93C86
1KB
EEPROM
33.86 MHz
36
harman/kardon
OTI9790
2MB
DRAM
DSP + SERVO
Decoder
Encoder
ATIP Demod.
Write Strategy
I/F
I/F
D-out
SRC
CS8420
Serial data
MCLK
ASIC 256K
VC00S01 SRAM
CDP
Serial /AES3
I/O
output