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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
POWER SUPPLY
(J1)
12V
5V
U19
9V
REG.
DVD-DRIVE
(J15)
U7
NVM 2k
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 OUT
(J5)
30V
3.3V
15V
R198
C201
RESET
U6
1.8V
REG.
1.8V
I 2 C BUS
U8
PANTERA
U15
FLASH
MEMORY
FE, TE, ...
RF
Servo, DSP
CD decoder
DVD decoder
IC200
LC78661
5V
3V
16.9 MHz
CVBS / R.G.B
EURO-AV (J5)
I.R (external)
I.R (local)
L
R
AOutL
U1
U3
Q4/Q5
AUDIO
AUDIO
Q1,Q9
DAC
AOutR
DRIVER
MUTE
HW_MUTE
SSPOUT.../SSPCLK...
SSPIN0
CONTROL DATA
DRVRST-
PARALLEL DATA DVD0...7
U22
SDRAM
1M*32bit
Livance – GDP 31...
SERIAL Data
384 Fs (16.9 MHz)
MICOM
CONTROL Data
IC500
Digital Board
34
HRST (RESET)
PARALLEL Data
106/107
VFD (J6)
POWER
U5
BUFFER
DVD-DRIVE
(J10 / J11)
HRST
Reference
IC Block Diagrams ..... 3-3
Oscillograms ............ 3-29
Digital Board
– P1 ........................... 3-11
– P2 .......................... 3-13
– P3 ........................... 3-15
– P4 ........................... 3-15
– P5 ........................... 3-16
– P6 ........................... 3-16
Drive Board ................ 3-23
Keyboard Control ....... 3-19
Power Supply ............... 3-8
GRUNDIG Service
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