Pip-Tuner - Grundig Cinaro 26 Service Manual

Hauptplatte / Main Board – PIP Tuner
TU302
FQ1216
11 12
R393 100
VCT_SDA5V
VCT_SCL5V
R338 10K
R438
100
R409
+5V_MAIN
10K
C336
R341
1uF
10K
GND
GND T305
R493
BC848B
C347 C348
10K
22p 22p
R329 R391
GND GND
39R 1K
R439
GND
150
GND
C512
AVDD
R431 R430
39R 39
GND GND
GND
AIP1A
AIP1B
GND
L328
4.7uH +5V_MAIN
C344
100U/16V
C346
0.01uF
GND
C519 C517
1u 1u
R452 GND
+5V_MAIN
C516
75
1u
C350
AVDD
+
VCT_CVBS
10U/16V
GND
14
IC309
1
AI P1A VSYNC
C515100nF 2
AI P1B FID
100nF 3
PLL_AGND SDA
4
PLL_AVDD SCL
5
XTAL 1/OSC TVP5150AM1 DVDD
6
XTAL 2 DGND
7
AGND YOUT0
8
RESETB YOUT1
GND
IO_DVDD
X301
2 1
XTAL
14,31818MHz
C537 C538
* *
R333
R472
10k
*
GND
IO_DVDD
GND
TVP5150AM1
MACROVISION
DETECTION
LUMINANCE
PROCESSING
M
A/D
U
X
AGC
CHROMINANCE
PROCESSING
SCL VBI / DATA SLICER
I 2 C
HOST PROCESSOR
SDA INTERFACE
PDN
XTAL1 FID/GLCO
XTAL2 VSYNC/PALI
INTERQ/GPCL/VBLK
PCLK/SCLK HSYNC
AVID
L329
4.7uH +5V_MAIN
C345
100U/16V
C342
0.1uF
GND
+1.8V_MAIN
R332
DVDD
10k
10
100 R476
VCT_SDA
24 100 R477 +1.8V_MAIN
VCT_SCL
23
22
9
21
20
DVDD
19
18
17
RA301
GND 47
ADC-B[7..0]
7 8
ADC-B0
5 6
ADC-B1
3 4
ADC-B2
1 2 +3.3V_MAIN
ADC-B3
7 8
ADC-B4
5 6
ADC-B5
3 4
ADC-B6
1 2
ADC-B7
16
RA302
47
15
VCLK-HDMI
R473 22
7
VD_RESET
YOUT[7:0]
YCbCr 8-BIT
4:2:2
power on (trigger: +12V)
7
switch on (trigger: +3.3V_MAIN)
7
9
DVDD
R331 0
C719
0.1UF
GND
0
L316 AVDD
COIL-10UH
DL750-AXIAL-2P
C720 C722
0.1UF 0.1UF
GND
L317 IO_DVDD
COIL-10UH
!
DL750-AXIAL-2P
C335
0.1UF
GND
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