Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GDV 200
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GDV 200
4 - 3
GRUNDIG Service
4 - 4
GRUNDIG Service
Blockschaltplan / Block Circuit Diagram
SLAVE PROCESSOR
RC
KEYBOARD
POWER SUPPLY
St_by
MICRO control
HEADPHONE
MICRO
(only DVD955 KARAOKE)
AUDIO/VIDEO BACKEND
JBE
(servo)
RAM
ROM
HOST
Sti5505
I2S
S2B
MONO BOARD
A/V signals
I2C
P50
UDA1328T
L + R
C +LFE
Lr + Rr
Center_on
STV6410
SCART
SWITCHING
TDA4780
Color + Cont
setting
I2C
CVBS/Y/C
RGB/YC/CVBS
CVBS
Y/C
RGB/YC/CVBS
P50 (to SLAVE)
RGB
Stereo_mute (optional)
Kill
8Vstab
3V3stab
+12V
Video
IC's and
audio
buffers
DAC
Headphone out
Lt + Rt
6
AUX
TV
SCART
SCART
DIG_OUT
AUDIO L+R
AUDIO L+R
3
3
PCM
0dB
+9dB
+9dB
DAC
7316
7305
7401
OPTICAL
OUTPUT
DIGITAL
OUTPUT
1113
7104
7200
7503
7204, 7401
7401
CL96532126_001.eps
261099
Reference
Oscillograms...............4-43
A/V-MUX Board ..........4-13
–
1A
............................4-15
–
1B
............................4-17
–
2
.............................4-19
Keyboard Control ..4-21/23
DVD-Monoboard ........4-25
–
1
.............................4-29
–
2
.............................4-31
–
3
.............................4-33
–
4
.............................4-35
–
5
.............................4-37
–
6
.............................4-39
Power Supply ..........4-9/11