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LASER BEAM SAFETY PRECAUTION
• Pickup that emits a laser beam is used on this CD section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
LASER OUTPUT ................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm
IC BLOCK DIAGRAM & DESCRIPTION
IC201 LA4227 (Power-Amp.)
VCC
BS1
OUT1
12
11
10
Ch1
THERMAL
SHUT DOWN
PROTECTION
STANDBY
SW
Ch2
1
2
3
OUT2
STANDBY
BS2
IC301 AN7312
V
RF
ALC IN2
CC
14
13
12
R i p p l e F i l t e r
ALC
1
2
3
GND
ALC Const. ALC IN1
NF1
PRE GND
IN1
9
8
7
-
+
BIAS
CIRCUIT
+
-
4
6
5
NF2
IN2
DC
(FILTER)
OUT2
PC2
NF2
IN2
11
10
9
8
Amp. Ch2
Amp. Ch1
4
5
6
7
OUT1
PC1
NF1
IN1
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL-USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ
UDS ÆTTELSE FOR STRÅLING.
VARNING-OSYNLIG LASER STRÅLNING NÄR DENNA DEL
ÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR
FARLIG.
VORSICHT! -UNSICHTBARE LASERSTRAHLUNG TRITT
A U S , W E N N D E C K E L G E Ö F F N E T U N D E N N
SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST. NICHT,
DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA
OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
ÄLÄ KATSO SÄTEESEEN.
IC202 ka7808 (Voltage Regulator)
INPUT
1
CURRENT
GENERATOR
STARTING
REFERENCE
CIRCUIT
VOLTAGE
SIC601 BA5826FP
- 1 -
CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
SERIES
3
PASS
ELEMENT
SOA
PROTECTION
ERROR
AMPLIFIER
THERMAL
PROTECTION
2
OUTPUT
GND
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