Read Harman Kardon CDR 20 (serv.man18) Service Tips online
LG Electronics DAV Engineering LAB.
Block Diagram of ACDR [CDR 20/30]
FLD
DRIVER
FL DISPLAY
KEY Input
REMOCON
RECEIVER
RECEIVER
5MHz
X-TAL
X-TAL
TIMER
RF
(CDR)
DSP
OTI9790
MICOM
(CDR)
20MHz
X-TAL
X-TAL
SRC
CS8420
RF
(CDP)
CDP DSP
CXD 3011
MICOM
(CDP)
20MHz
X-TAL
X-TAL
33MHz
X-TAL
X-TAL
B/DIODE
DAC
ADC
RELAY
TRANS
FEED/B
SWITCHING
REGULATOR
VIDEIO OUT
BITCK
LRCK
DATA
LRCK
DATA
BITCK
LRCK
DATA
LRCK
DATA
F+
F-
-34V
8V
3.3V
5V
Analog IN
Optical IN
Coaxial IN
Coaxial
OUT
OUT
Optical
OUT
OUT
Analog
OUT
OUT
H/P OUT
Digital IN
CDR D-OUT
CD/DVD D-OUT
BITCK
LRCK
DATA
LRCK
DATA
CD-P
POWER
I/O
MCK
Spindle
driver
BA6664
FO,TR,SLED
driver
BA5983/5925
DAC
M62352
Focus
Tracking
Sled
Spindle
driver
KA3032
DRAM
256X16
DRAM
16M
DRAM
256X16
CDR
FPGA
[ASIC]
CDP
FPGA
[ASIC]
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