Tuner - Grundig Cinaro 26 Service Manual

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