Grundig 72010 538 0000 Serviceanleitung Seite 58

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