Advertisement
GRUNDIG Service
Hauptplatte / Main Board – Tuner
TU301
ENV57K23G3F
TU300
TUNER-CTF554X
IF-OUT
EEP ROM_SCL
EEP ROM_SDA
VCT_SCL
VCT_SDA
Downloaded From TV-Manual.com Manuals
R335
0
GND
13
IC327
X6966M
1
4
IN1
OUT1
C527
2
5
IN2
OUT2
*
L367
*
GND
GND
GND
C518
IC326
0.1uF
7
14
VSS
VDD
GND
R334
0
1
13
IN 1
CNTL 1
2
OUT 1
R312
0
4
5
IN 2
CNTL 2
3
OUT 2
R314
0
8
6
IN 3
CNTL 3
9
OUT 3
R310
0
11
12
IN 4
CNTL 4
10
OUT 4
74HC4066
+1.8V_MAIN
VSUP1.8DIG
VSUP1.8F E
L361
0
0
L362
C332
C365
C366
1uF
0.1uF
0.1uF
GND
GND
GND
+8V_SW_OF F
VSUP8.0VAU
L360
10uH
C331
1uF
C364
0.1uF
GND
GND
15
GND4
14
GND3
13
GND2
12
GND1
GND
GND
L359
15
10uH
GND4
14
GND3
C541
13
GND2
100n
12
GND1
GND
GND
L366
4.7uH
5V-TUNER
C525
0.01uF
GND
GND
TU-SCL
TU-SDA
C547
20pF
13
+5V_TUNER
R642
8.2K
IF+
IF-
#
+3.3V_MICOM
ISP _CTL2
R337
0
DDC_SDAA
0
DDC_SCL A
R348
ISP _CTL1
M_DDC_CTL
ISP_CTL1 ISP_CTL2
FUNCTION
L
L
L
ISP desable
L
L
H
HDCP Writing
L
H
L
VCTi down_load
+3.3V_MAIN
VSUP3.3DAC
L363
0
GND
+5V_VCTI
VSUP5.0BE
VSUP5.0IF VSUP5.0FE
L303
L312
*
L313
*
*
C368
C369
0.1uF
0.1uF
GND
GND
GND
2 -
GND
TU303
ENV57DD3H6F
GND
+33V_T
+5V_TUNER
R300
4.7K
11
+5V_TUNER
VCT_SCL5V
VCT_SDA5V
12
C546
100U/16V
11
R528
100
VCT_SCL5V
R529
100
VCT_SDA5V
C548
12
20pF
C526
GND
0.01uF
R643 100K
GND
TAGC
+3.3V_MAIN
VSUP3.3BE
VSUP3.3DIG
L364
0
0
L365
C372
C373
C370
0.1uF
0.1uF
0.1uF
GND
GND
GND
+3.3V_MAIN
VSUP3.3EIO
VSUP3.3IO
L314
L344
HH-2012- 121
L345
HH-2012- 121
C371
C333
1uF
HH-2012- 121
0.1uF
C378
0.1uF
GND
GND
GND
Chassis LM
9
0
+5V_TUNER
R302
4.7K
T306
T323
+3.3V_MAIN
+3.3V_MAIN
2N7002
2N7002
VCT_SCL
VCT_SDA
10
9
!
@
C334
1uF
VSUP3.3FE
C379
C395
C337
1uF
0.1uF
0.1uF
GND
GND
Advertisement
