Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
DVD-Kit1
3 - 2
GRUNDIG Service
CT87005
U
DVD
CIC87050
CIC87005
Adapter Board
U9
Control
Latch
D-INPUTS
XIO2
XIO3
STANDBY
DRVRST-
A_MUTE
PSU-DRIVE
GPOCLK
LATCHED
OUTPUTS
U10
Control
Latch
D-INPUTS
GPOEN-
GPOEN-
GPOCLK
LATCHED
OUTPUTS
U7
NVM 2k
Q10, Q11 / Q12, Q3, U6
Stand-By & soft start
control
U19
9V REG.
RESET
TV
Power Supply
(J5)
DVD-DRIVE
(J15)
U22
SDRAM
1M*32bit
U1/U2
AUDIO
DAC
U3
AUDIO
DRIVER
DACOR
DACOL
U8
PANTERA
U13,U15
FLASH
MEMORY
D
A
TA
BUS AD0…AD31
I2
C B
US
RSTB-
R/G/B
CVBS
L
R
SPDIF
HRST
DR
VRST
-
ADDR
ESS B
U
S
LA0…LA
1
8
DVD-DRIVE
(J10 / J11)
P
ARALLEL D
A
T
A
D
VD0…7
SERIAL B
US SSP…
CONTR
OL D
A
T
A
ADDR. BUS MA0…MA13
I2C BUS
RxD/TxT
L
R
R/G/B
CVBS
TVK2 (J4)
ST
-A
V3
ST
-SPD
ST
-RGB-50
ST
-J4
TO TV
(Signal Modul)
TO TV
(Main Switch Board)
TVK1 (J8)
DATA BUS MD0…MD31
PCK UP
SPINDLE
MOTOR
SLED
MOTOR
LOADING
MOTOR
Mechanism SW (OPN, CLS, The internal circumference LIMIT)
MLD1, 2
SLD1, 2
F0 , TR
CD_LD, DVD_LD
LD, MD, VR, HFM
A, B, C, D, E, F
ACT.
I / V
LD
RFAMP
SpindleDRV.
4ch DRV.
IC100
LA9702
IC602
BA6849
IC601
BA5937
5V
9V
9V
FD, TD, SLD
*OPEN, *CLOSE, DMUTE2
EQB, EQF (Equalizer Ajust.)
FE, TE, …
RF
SPD
IC200
Digital Board
LC78660
LC78661
5V
16.9 MHz
106/107
34
3V
MICOM
IC500
384 Fs (16.9 MHz)
CONTROL Data
SERIAL Data
PARALLEL Data
HRST (RESET)
SBRAKE, SPD_FG,
*DMUTE
Servo, DSP
CD decoder
DVD decoder
Blockschaltplan – Laufwerksteuerung / Block Circuit Diagram – Drive Control
Blockschaltplan – Digital-Platte / Block Circuit Diagram – Digital Board
Reference
IC Block Diagrams .... 3-3
Oscillograms ........... 3-27
Digital Board ............... 3-9
– P1 .......................... 3-11
– P2 .......................... 3-13
– P3 .......................... 3-15
– P4 .......................... 3-15
– P5 .......................... 3-16
– P6 .......................... 3-17
Adapter Board ........... 3-18
Drive Board ............... 3-19
– KIT 310 LE ............ 3-21
– KIT 510 LE ............ 3-29