GRUNDIG Service
Xenaro
–
GDP 42
…
3-2
Blockschaltplan / Block Circuit Diagram
D
ATA
B
U
S
LA4-LA19
POWER
SUPPLY
U9
M1
3.3V
5V
220 V
AC
8V
12V
-12V
5V
-20V
1.8V
U14
8602
PANTERA
M1
U15 U16
ADDRESS LATCH
M3
ADDR.
B
U
S
AD4-AD19
U17
FLASH
M3
U10
SDRAM
M4
D
AT
A
B
US MD0-MD31
D
AT
A
B
US AD0-AD31
ADDR.B
US MA0-MA13
ADDR.
B
US LA0-LA3
U7
EEPROM
M1
U30
AUDIO DAC
M5
3.3V
U28
MN103S26E
M2
U27
MN102H60G
M2
DVD
DRIVE
VFD
IC3001
16312
J7
EURO-AV
M6
DATA BUS DVD0-DVD7
CONTROL DATA
FERST- NRST
205
47
54
53
55
2 J20
68
23
45
9
10
8
J19
D
AT
A
B
US DT0-DT7
ADDR.B
US ADR0-ADR17
CLK
OUT
OSCI
FEP DATA
FEP ENB
IC3003
9022
PO
WER
5V
AUDIO OUT
M5
S-VIDEO
M5
VIDEO OUT
M5
SPDIF
M5
OPTICAL
M5
L
R
U3
AMP
M5
AOut L
7
AOut R
8
5
3
1
7
U26
ACT125
M1
U26
ACT125
M1
SPDIF
SSPCLK1
SSPOUT1
Q5/Q6
Q7,Q8,Q9
MUTE
M5
SSPIN1
Q14
Q3001
SSPOUT1B
3
9
6
2
1
5
3
5
9
6
40
1
6
8
41
J17
SSPCLK1B
6
2
5
IC3002
IR
IR
RXD1
83
VFD D
AT
A
STANDBY
LED
CV1-CV
Y-
Y
C-CB
CV2-CR
118
114
112
110
197
68
11
8
12
9
87
86
84
194
207
CVBS_F
SCAR
TIR
Y/G
C/B
R
AO
L
AO
R
19
8
11
7
15
3
1
A
UDIO MUTE
76
PCMCLK
78
A
CLK
71
A
OUT3
79
16
1
2
3
LRCLK
12
119
16
FS
FEP CLK
FLDCS
WKUPR-
CONTROL DATA
CONTROL DATA
KEYBOARD
Keyboard Control Unit
M7
D13
R99
81
RSTP-
80
SRST-
C132
26
27
19
18
17
16
21
22
20
23
7
9
6
5
10
32
36
30
4
38
3
2
31
8
29
28
14 15
RESET
Control
Reference
Block Diagrams .......... 3-2
Oscillograms .............. 3-3
Connection Overview 3-5
Main Board
– M1 ............................. 3-8
– M2 ............................ 3-9
– M3 ........................... 3-10
– M4 ........................... 3-10
– M5 ........................... 3-11
– M6 ........................... 3-12
– M7 ........................... 3-13
Power Supply ............. 3-15
Keyboard Control ....... 3-17