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Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Blockschaltplan – Laufwerksteuerung / Block Circuit Diagram – Drive Control
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)
Blockschaltplan – Digital-Platte / Block Circuit Diagram – Digital Board
Q10, Q11 / Q12, Q3, U6
Stand-By & soft start
control
PSU (J5)
9V REG.
DVD-DRIVE
(J15)
U7
NVM 2k
STANDBY
DRVRST-
U9
A_MUTE
Control
PSU-DRIVE
Latch
LATCHED
OUTPUTS
GPOCLK
U10
Control
LATCHED
OUTPUTS
Latch
GPOCLK
3 - 2
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
AUDIO
(J7)
RESET
U19
RSTB-
I 2 C BUS
XIO2
XIO3
GPOEN-
D-INPUTS
GPOEN-
U13,U15
FLASH
MEMORY
D-INPUTS
FE, TE, ...
RF
Servo, DSP
CD decoder
DVD decoder
IC200
LC78660
5V
3V
16.9 MHz
CVBS / R.G.B
VIDEO (J3)
I.R (external)
L
DACOL
U1
U3
AUDIO
AUDIO
DAC
DACOR
DRIVER
SSPOUT... / SSPCLK...
U8
PANTERA
DVD-DRIVE
(J10 / J11)
Xenaro – GDP 51..., GDP 6150
SERIAL Data
384 Fs (16.9 MHz)
MICOM
CONTROL Data
IC500
Digital Board
34
HRST (RESET)
PARALLEL Data
106/107
VFD (J6)
I.R (local)
WAKEUP
POWER
R
U5
BUFFER
U22
DATA BUS MD0...MD31
SDRAM
1M*32bit
ADDR. BUS MA0...MA13
Reference
IC Block Diagrams .........3-4
Oscillograms...................3-43
Analog Board GDP51 ....3-23
Analog Board GDP61
– AC3 .............................3-27
– Audio/Video.................3-29
Digital Board
– P1 ...............................3-15
– P2 ...............................3-17
– P3 ...............................3-19
– P4 ...............................3-19
– P5 ...............................3-20
– P6 ...............................3-21
Drive Board ....................3-37
Keyboard Control ...........3-33
Power Supply .................3-11
GRUNDIG Service
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