DOWNLOAD Harman Kardon CDR 20 (serv.man13) Service Manual ↓ Size: 9 MB | Pages: 74 in PDF or view online for FREE

Model
CDR 20 (serv.man13)
Pages
74
Size
9 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cdr-20-sm13.pdf
Date
PREV: Harman Kardon CDR 20 (serv.man12) User Manual / Operation Manual

Harman Kardon CDR 20 (serv.man13) Service Manual ▷ View online

-33-
BLOCK DIAGRAM
• CD RECORD SECTION
I / V AMP
LD
Driver
Spindle
motor
Sled
motor
Pick -up
(KRS-220c
:Sony)
disc
BA5983FM
F.T.S.T drive
BA6664FM
Motor drive
BA5925
Sled Speed
M62352
12CH 
8 bit DAC
AT93C86
1KB
EEPROM
S/H
17.43MHz
20MHz
RF/Servo Signal
Timing 
Signal
ASIC
VC00S01
256K
SRAM
D-out
CDP
I/O
33.86MHz
I/F
Serial data
MCLK
Serial /AES3
output
CXA2551R
RF AMP
Wobble
ALPC
OTI9790
DSP + SERVO
Decoder
Encoder
ATIP  Demod.
Write Strategy
I/F
2MB
DRAM
SRC
CS8420
OPC/
ROPC
Circuit
H8/3062
System
Controller
CPLD
Laser Control
S/H Signal Gen
-34-
• CD PLAY SECTION
 
-35-
• IO SECTION
C
D
P
C
D
R
W
BU4053
S/W
BU4053
S/W
AK4394
(DAC)
AK4394
(DAC)
AK4394
(DAC)
AK4394
(DAC)
LRCK
DATA
BCLK
BU4053
S/W
BU4053
S/W
MCK(P)
MCK(R)
LRCK
DATA
BCLK
TC4W53
S/W
TC4W53
S/W
74HC04
BUFFER
74HC04
BUFFER
ANALOG  P OUTPUT
ANALOG  R OUTPUT
ANALOG  INPUT
COAXIAL  P  OUT
COAXIAL R  OUT
COAXIAL   IN(2)
74HC04
BUFFER
74HC04
BUFFER
74HC04
BUFFER
74HC04
BUFFER
OPTICAL R  OUT
OPTICAL   IN
RELAY
F
R
O
N
T
AK5351
(ADC)
AK5351
(ADC)
74HC04
BUFFER
74HC04
BUFFER
BCK
DATA
LRCK
H/P OUT
74HC04
BUFFER
74HC04
BUFFER
COAXIAL
IN (1)
REC
VOL.
POWER
DOWN
MUTE
DEMPH
MUTE
DEMPH
CDP-DOUT
CDR-DOUT
EQ LEVEL
L/R
CDP/CDR
-36-
SCHEMATIC DIAGRAMS
• CD-PLAY SECTION
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