
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Livance – GDP 31…
3 - 2
GRUNDIG Service
U7
NVM 2k
POWER SUPPLY
(J1)
DVD-DRIVE
(J15)
U19
9V
REG.
U6
1.8V
REG.
R198
C201
RESET
U5
BUFFER
U3
AUDIO
DRIVER
Q4/Q5
Q1,Q9
MUTE
U1
AUDIO
DAC
AOutL
AOutR
VFD (J6)
POWER
U8
PANTERA
U15
FLASH
MEMORY
D
A
TA
BUS AD0…AD31
A
UDIO-B
US
I2C BUS
SSPIN1
SSPIN0
SSPIN1F
SSPOUT1BF
SSPCLK1BF
SSPOUT0BF
SSPCLK0BF
RXD1
C /
Y / CB / CR
RSTB-
L
R
EURO-AV (J5)
AUDIO OUT
(J5)
SPDIFO
CVBS / R.G.B
I.R (external)
I.R (local)
HW_MUTE
HRST
DRVRST-
XIO10
FLDCS
XIO9
A
OUT0
ST
ANDBY_LED
ADDR
ESS B
U
S
LA0…LA
1
8
U22
SDRAM
1M*32bit
D
A
T
A
B
US MD0…MD31
ADDR.
B
U
S
MA0…MA
1
3
PARALLEL DATA DVD0…7
CONTROL DATA
SSPOUT…/SSPCLK…
5V
12V
15V
30V
3.3V
1.8V
DVD-DRIVE
(J10 / J11)
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
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 ............ 3-29
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