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Fehlersuchdiagramm und Blockschaltpläne / Trouble Shooting Diagram and Block Circuit Diagrams
Laufwerksteuerung / Drive Control GDV 120
PCK UP
A, B, C, D, E, F
I / V
LD, MD, VR, HFM
LD
LD1, LD2
F0≤ , TR≤
ACT.
SPINDLE
MOTOR
SLED
MOTOR
SLD1, 2
LOADING
MOTOR
MLD1, 2
Mechanism SW (OPEN, CLOSE, The internal circumference LIMIT)
Laufwerksteuerung / Drive Control GDV 120/02
PCK UP
A, B, C, D, E, F
I / V
LD, MD, VR, HFM
LD
CD_LD, DVD_LD
F0≤ , TR≤
ACT.
SPINDLE
MOTOR
SLED
MOTOR
SLD1, 2
LOADING
MOTOR
MLD1, 2
Mechanism SW (OPN, CLS, The internal circumference LIMIT)
2 - 4
RFAMP
5V
SCD, SCL, SCB, *FRST,
CD_XDVD, DPCTL, LCSW
IC501
TA1254AF
VR
2VR
2.1V
EQB, EQF (Equalizer Ajust.)
4.2V
XCD_DVD, *FRST,
SpindleDRV.
SPD-FG
IC602
BA6849
AMP
9V
4ch DRV.
IC601
BA5931
9V
AMP
FOO, TRO, FMO
LD1, LD2
5V
RFAMP
IC100
LA9702
EQB, EQF (Equalizer Ajust.)
SpindleDRV.
SPD
IC602
SBRAKE, SPD_FG,
BA6849
*DMUTE
9V
4ch DRV.
IC601
BA5937
9V
FD, TD, SLD
*OPEN, *CLOSE, DMUTE2
TE, RPO, RPZ, LVL
RF (CD)
5V
IC701
DMO
CD
TC9461F
_
73/74
Servo, DSP
CD decoder
16.9 MHz
3.3V
5V
DVO
DVD
_
IC801
TC90A41F
DVR
IC802
TC6815
RF (DVD)
3/4
DVD decoder
27 MHz
FE, TE, ...
RF
Servo, DSP
CD decoder
DVD decoder
IC200
LC78660
5V
3V
106/107
16.9 MHz
GDV 120...
SERIAL Data
384 Fs (16.9 MHz)
FE
MICOM
CONTROL Data
IC900
MPEG Board
34
HRST (RESET)
PARALLEL Data
SERIAL Data
384 Fs (16.9 MHz)
MICOM
CONTROL Data
IC500
MPEG Board
34
HRST (RESET)
PARALLEL Data
GRUNDIG Service
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