Harman Kardon CDR 30 (serv.man10) Service Manual ▷ View online
-13-
Tray operating is abnormal.
Is there Tray control signal intput?
(IC203 pin26)
(Tray open/close doesn't work)
YES
•Check the connection of IC110 pin 12.
•Replace the IC320(M62352).
•Check the communication line between
•Replace the IC320(M62352).
•Check the communication line between
IC110 and IC320(MICOM).
•Check the Tray Connector(PN203).
•Check the Motor Line and Motor.
•Check the Motor Line and Motor.
NO
NO
Is there Tray drive voltage output?
(IC203 pin15, 16)
YES
YES
YES
• Check the connection of IC322
Pin13
NO
Replace the IC203(BA5983FM).
NO
Is TRAY_MUTE
signal"L"?(IC203 pin20)
When PN203
is open, Is there Tray drive
signal output?
NO
NO
NO
NO
NO
Replace the IC320(MICOM)
NO
Check the connection of IC320
pin 26.
pin 26.
NO
Replace the IC206(BU4053)
YES
-14-
Sled operating is abnormal.
Is there
Sled control signal output?
(IC320 pin 85)
Is there
Sled drive voltage input?
(IC203 pin 23)
Check the connection of IC320
pin 85
pin 85
YES
YES
NO
YES
Check the connection of IC201
pin 17.
Replace the IC201(BA5925)
pin 17.
Replace the IC201(BA5925)
Is there
Sled drive voltage output?
(IC203 pin 17, 18)
Is Act_Mute signal "L"?
(IC203 Pin9)
YES
Is there
HALL/SLDOUT signal input?
(IC320 pin82)
Is there HALL 1
signal input (IC206 pin3)
YES
Is there
SLED FG signal input?
(IC320 pin97)
YES
Replace the IC203(BA5983)
Check the IC201(BA5925)
•Check the Connector(PN201)
•Replace the SLED Motor.
•Replace the SLED Motor.
OK
-15-
NO
NO
•Check the connection of IC301 pin2.
•Replace the IC301(OTI-9790)
•Replace the IC301(OTI-9790)
NO
•Replace the IC207(NJM3404).
NO
•Check the connection of IC320 pin98.
•Replace the IC320(MICOM)
•Replace the IC320(MICOM)
NO
•Check the connection of IC320 pin94.
•Replace the IC320(MICOM)
•Replace the IC320(MICOM)
•Check the connection of IC202 pin19.
•Replace the IC501(BA6664FM)
•Replace the IC501(BA6664FM)
•Check the spindle Connector
(PN202)
•Replace the Spindle Motor.
NO
Spindle operating is abnormal.
Is there Spindle
control signal input?
(IC202 pin 22)
YES
YES
YES
Is there Spindle
control signal output?
(IC207 pin 7)
YES
Is there DMO signal input?
(IC207 pin5)
Is there Spindle
drive voltage output?
(IC202 pin 2,4,7)
Is SPNON signal “H”?
(IC202 pin 23)
YES
YES
Is SBRK signal “L”?
(IC202 pin 18)
NO
Is there
a SPNFG signal input?
(IC320 pin 95, IC301
pin 7)
YES
Replace the IC206(BU4053).
OK
-16-
NO
NO
•Check the connection of IC301 pin207.
•Check the communication line between
•Check the communication line between
IC301 and IC320
•Replace the IC301(OTI-9790)
•Check the connection of IC320
pin26.
•Replace the IC320(MICOM)
NO
Focus Actuator operating
is abnormal
is abnormal
Is there
Focus Search control signal
input? (IC203 pin 3)
(FAO)
YES
YES
YES
Is Act_Mute signal “L”?
(IC203 pin 9)
Replace the IC203(BA5983).
•Check the connection of PN101 Pin 1,4.
•Check the Pick-up Connector.
•Check the Pick-up Connector.
Replace the Pick-Up.
Is there Focus Search
drive voltage output?
(IC203 pin 13,14)
NO
NO
Go to “Focus Servo is unstable”
Replace the IC108(CXA2551R).
NO
Spindle control is abnormal 1
Does FOCUS Servo
operate normally?
YES
YES
YES
Is there a output normally?
(IC108 pin 71, 72)
Replace the IC103(EL2245).
Go to “Spindle operating is
abnormal”
abnormal”
Is there
RFAC(EFM)signal input?
(IC301 pin 163)
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