Konka Group KDL26BZ31U Service Manual page 14

5
N101 N101
FQD1236 FQD1236
D
R102 R102 R101 R101
1K 1K 1K 1K
VCC5_0_T1
VCC5_0_T2
R117 R117 47K 47K
R105 R105 10K 10K
C104 C104 C119 C119
22pF 22pF 22pF 22pF
C
8 TU_CVBS
I2C0DATA R122 R122 0 0
4,10,11 I2C0DATA
I2C0CLK R121 R121 0 0
4,10,11 I2C0CLK
Power Supply:
+5V/0.3A, ripple 5mV p-p max.
+1.8V/0.7A, ripple 10mV p-p max.
+3.3V/0.05A, ripple 10mV p-p max.
5V_1 L103 L103 CBG201209U360B CBG201209U360B
L105 L105 CBG201209U360B CBG201209U360B
C112 C112
+ +
1000uF/16V 1000uF/16V C118 C118 C120 C120 C121 C121
0.1uF 0.1uF 0.1uF 0.1uF 1nF 1nF
B
TRANSPORT/POD I/F TRANSPORT/POD I/F
TU_SDATA
T3
TSDATA PODODATA7
TU_VALID
Y1
TSDVALID PODODATA6
TU_FRAME
U3
TSFRAME PODODATA5
TU_SCLK
T4
TSCLK PODODATA4
PODODATA3
PODODATA2
PODODATA1
GPIO42
R4
10 LCDPANEL_SW CTXI PODODATA0
GPIO43
W1
9 MUTE_C CRXI PODOFRAME
RESET_TU GPIO44
V2
DRXI PODOVALID
PODIFRAME
PODIDVALID
A XC_CD2_N
XC_CD1_N
XC_BUFEN_N
XC_VCC5EN_N
I2C2C_GPIO
I2C2D_GPIO
XC_RESET
ZR39660 ZR39660
5
4
C108 10nF C108 10nF
L101 L101
R104 R104
15
GND1
220nH 220nH
16
GND2
680 680
17
GND3
18
GND4
10nF 10nF
C109 C109
SIF R103 R103
47 47
C102 0.1uF C102 0.1uF
DIF1
DIF2
IF_AGC
SDA_I2C
L102 L102 CBG160808U102T CBG160808U102T SCL_I2C
TU_SDA
TU_SCK
L104 L104 CBG160808U102T CBG160808U102T ADDR "Pull-Down" - hex 28/29
ADDR "NC=PullUp" - hex 2A/2B
25MHz fundamental
Overall stability +/-100 ppm
ESR 40 Ohm max
Shunt capacity 6-7 pF
Load Capacitance 12 pF
XS101 XS101 For Dev.
Drive level 0.5 mW
3
2
1
HEADER 3X2.54 NC HEADER 3X2.54 NC
VCC5_0_T1
VCC5_0_T2
C122 C122 C103 C103 C107 C107
+ +
+ +
1nF 1nF 1000uF/16V 1000uF/16V 1000uF/16V 1000uF/16V
N401C N401C
U11
W11
U10
W10
U9
W9
U8
W8
U7
Y10
GPIO56
V14
LCD_PWR_SW 10
GPIO55 POWER_DOWN#
Y14 1
R124 R124 4.7K 4.7K
Q101 Q101
MMBT3904 MMBT3904
GPIO12
U14
HDMI1_D 5
Y5 GPIO11
HDMI2_D 5
GPIO08
T17
HDMI_SEL 5
GPIO09 BURN# R126 R126
V20
COAST 4.7K 4.7K
L2
N2
CLAMP 5,11
V12
R128 R128
4.7K 4.7K
4
3
N102A N102A
94
AIN2_P
93
AIN2_N
C116 C116
97
AIN1_P
96
AIN1_N
27pF 27pF
C117 C117 C101 C101
4
D_IN0
10
D_IN1
C114 C114 C115 C115 47pF 47pF 0.1uF 0.1uF
14
D_IN2
21
D_IN3
47pF 47pF 47pF 47pF
25
D_IN4
27
D_IN5
31
D_IN6
38
D_IN7
42
D_IN8
47
D_IN9
89
AIN_OOB_P
C110 C110
90
AIN_OOB_N
10nF 10nF
100
PARAM0
1
PARAM1
3V3_CAS R113 R113 10K 10K
58
PARAM2
59
PARAM3
20
SDA_I2C
19
SCL_I2C
TU_SDA
16
TU_SDA
TU_SCK
18
TU_SCL
R107 R107 NC NC
13
I2C_ADDR
RESET_TU R123 R123 0 0
61
RST
GPIO RESET
2
SCAN_EN
8
SCAN_MODE
C105 27pF C105 27pF
80
XTI
79
XTO
Z002 Z002
R115 R115
Cascade-2 Cascade-2
1M 1M
25MHz 25MHz
R116 R116 100 100
C106 27pF C106 27pF
N102B N102B
L106 L106
78
VCC1_8
VccCLK
CBG201209U360B CBG201209U360B
99
VCC1_8
AVcc_ADC
5
Vcor
C127 C127 C128 C128
9
Vcor1
10nF 10nF
1uF 1uF
22
Vcor2
37
Vcor3
53
Vcor4
L107 L107
69
Vcor5
CBG201209U360B CBG201209U360B
75
VccLO
86
3V3_CAS Vcc_PLL
87
Vcc_ADC
C129 C129 C130 C130
L108 L108 1uF 1uF 10nF 10nF
84
AVdd_PLL
CBG201209U360B CBG201209U360B
82
3V3_CAS
Vdd_OSC
17
Vdd
C131 C131 C132 C132
30
Vdd
10nF 10nF
1uF 1uF
46
Vdd
62
Vdd
3V3_CAS
74
Vcc(A1)
Cascade-2 Cascade-2
5V_SB
4.7K 4.7K
R125 R125
POWER_DOWN 4
CLAMP
4.7K 4.7K
R127 R127
COAST R818 R818
BURN 4
1
Q102 Q102
MMBT3904 MMBT3904
R129 R129
4.7K 4.7K
3
2
36
D_OUT0
39
D_OUT1
40
D_OUT2
41
D_OUT3
43
D_OUT4
44
D_OUT5
48
D_OUT6
49
D_OUT7
29
D_VALID
34
D_SOP
D101 D101
28
D_CLK
FAIL R114 R114 220 220
32 1
D_FAIL
24
STAT0
D102 D102
26
STAT1
LOCK R108 R108 220 220
50 1
STAT2
51
STAT3
R109 R109 47 47 TU_VALID
52
STAT4
R110 R110 47 47 TU_FRAME
54
STAT5
R111 R111 47 47 TU_SCLK
56
STAT6
R112 R112 47 47 TU_SDATA
57
STAT7
R119 R119 47 47
66
AU_CLK
R118 R118 47 47
63
AU_WS
R120 R120 47 47
65
AU_SD
64
AU_MCLK
R106 R106 2K 2K IF_AGC
11
IF_AGC
12
RF_AGC
C113 C113
71
LO_OUTP
0.1uF 0.1uF
72
LO_OUTN
67
CRX
68
DRX
TP22 TP22
For Xtal frequency measurement
The option supported by code.
Supply Bypass, Tuner Demodulator
3
TEST
6
GND
7
3V3_CAS VCC1_8
GND
15
GND
C134 C134 + + C136 C136 C137 C137
23
GND
33
GND
47uF/16V 47uF/16V 1.5nF 1.5nF 560pF 560pF
35
GND
45
GND
55
GND
60
GND
70
GND
73
GND
76
VCC1_8
GND
77
GND
C140 C140 C141 C141 C142 C142 C143 C143
81
GND
83
GND
1nF 1nF 0.1uF 0.1uF 1nF 1nF 0.1uF 0.1uF
85
GND
88
GND
Pin 5 Pin 9 Pin 22 Pin 37 Pin 53 Pin 69 Pin 86 Pin 78
91
GND
92
GND
95
GND
98
3V3_CAS
GND
C148 C148 C149 C149 C150 C150
0.1uF 0.1uF 1nF 1nF 0.1uF 0.1uF
Pin 17 Pin 30 Pin 46 Pin 62
EN_HDMI 5,11
10K 10K
STANDBY_KEY 4
2
1
2
2
SCLK 7,9
LRCLK 7,9
TU_DATA 9
C111 C111
22pF 22pF
C135 C135 + + C138 C138 C139 C139
47uF/16V 47uF/16V 1.5nF 1.5nF 560pF 560pF
C144 C144 C145 C145 C146 C146 C147 C147 C123 C123 C124 C124 C125 C125
1nF 1nF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 1uF 1uF 1uF 1uF 1uF 1uF
C151 C151
1nF 1nF
Title Title Title
Tuner / Demodulator
Size Size Size Document Document Document
A3 A3 A3
Sheet Sheet Sheet Rev Rev Rev
5 5 5 of of of 14 14 14 3.0 3.0 3.0
Date: Date: Date: Friday, January 19, 2007 Friday, January 19, 2007 Friday, January 19, 2007
Drawn by: Drawn by: Drawn by:
1
D
C
B
A