A
A
A
A
AVDD33_DAC
GND
REFP_AADC
REFN_AADC
AVSS33_AADC
+12V
AV33
AVDD33_AADC
+5V
+5VSB
REFP_AADC
AVDD33_AADC
AVDD33_DAC
ADIN5
AVSS33_DAC
AOSDATA0
AOMCLK
AOBCK
AOLRCK
AR1
AL1
OPAVREF
OPAVREF
MUTE
MUTE
DACOUT1
DACOUT1
HPOL
HPOR
MUTE
AL1
AR1
HPOUTL
MUTE
AR0
AL0
AVR1_OUT/AMP
AVL1_OUT/AMP
HPOUTR
AL0
AR0
OPAVREF#
OPAVREF#
MUTE
MUTE
AVR1_OUT/AMP
AVL1_OUT/AMP
Line_AUL_OUT
Line_AUR_OUT
AV33
AV33
OPAV120
OPAV120
+12V
OPAV120
OPAVREF
VREF_25
HP_PWR
HP_PWR
VREF_25
VREF_25
+5V
HP_PWR
OPAV120#
OPAV120#
+12V
OPAV120#
OPAVREF#
GND
3,4,5,6,7,8,9,11,12,13,14
+12V
3,11,12,13,14
AV33
3,4,6,8,9,12,13
+5VSB
3,6,9,14
+5V
3,6,8,12,14
AVDD33_DAC
4
AVDD33_AADC
4
REFP_AADC
4
ADIN5
4,9
AOLRCK
4
AOBCK
4
AOMCLK
4
AOSDATA0
4
DACOUT1
4
AR1
4
AL1
4
MUTE
11
AL0
4,11
AR0
4,11
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
10
15
Wednesday, October 14, 2009
Audio SYS/AV Output
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
10
15
Wednesday, October 14, 2009
Audio SYS/AV Output
MediaTek Confidential
Title
Size
Document Number
Rev
Date:
Sheet
of
MediaTek Inc.
TEL:(03)567-0766 FAX:(03)578-7610
No.1-2, Innovation Rd 1, SBIP, Hsin-Chu City 300
Drawn
MT5305A P1V1
V1
C
10
15
Wednesday, October 14, 2009
Audio SYS/AV Output
MediaTek Confidential
Near IC
Near IC
NO AV OUT
20090612
Shielding with GND in all path,layout without via
Shielding with GND in all path,layout without via
NEARLY IC
HeadPhone OUTPUT
Near MT5387
Near MT5387
Shielding with GND in all path,layout without via
Shielding with GND in all path,layout without via
NO HP_DETECT
D18D18
1
2
R1755
0->15K
R1755
0->15K
ER20
10K->3.9K
ER20
10K->3.9K
R1780
10K->15K
R1780
10K->15K
D19D19
1
2
CB997
0.1uF
CB997
0.1uF
EC4
1000pF->NC
EC4
1000pF->NC
EC13
NS/470pF
EC13
NS/470pF
R1766
10K
R1766
10K
+
CE3
47uF/16v
+
CE3
47uF/16v
CB2
0.1uF
CB2
0.1uF
R532
8.2K
R532
8.2K
ER21
10K->3.9K
ER21
10K->3.9K
+
-
U68A
LM4558
+
-
U68A
LM4558
3
2
1
8
4
STR21
75
STR21
75
+
CE645
47uF/16v
+
CE645
47uF/16v
+
CE629
47uF/16v
+
CE629
47uF/16v
R1781
4.7K
R1781
4.7K
C647
1000pF
C647
1000pF
L147
FB
L147
FB
EC2
100pF->NC
EC2
100pF->NC
Q60
2N3904
Q60
2N3904
1
3
2
R1730
10K
R1730
10K
+
EC16
100uF/16v
+
EC16
100uF/16v
+
CE642
47uF/16v
+
CE642
47uF/16v
C645
100pF
C645
100pF
+
C11
10uF/16v
+
C11
10uF/16v
R1799
10K
R1799
10K
EC14
NS/470pF
EC14
NS/470pF
C749
0.1uF
C749
0.1uF
R1762
0->15K
R1762
0->15K
C643
100pF
C643
100pF
R36
1.8K
R36
1.8K
CB994
0.1uF
CB994
0.1uF
ER22
10K
ER22
10K
R1800
10K
R1800
10K
ER17
1K
ER17
1K
R534
8.2K
R534
8.2K
CB999
0.1uF
CB999
0.1uF
+
-
U68B
LM4558
+
-
U68B
LM4558
5
6
7
8
4
C642
1000pF
C642
1000pF
FB70
FB
FB70
FB
VP3
AUDIO_L/R
VP3
AUDIO_L/R
1
1
GND
2
NC
3
NC
4
5
5
6
6
7
7
R1764
10K->9.1K
R1764
10K->9.1K
R1753
10K->9.1K
R1753
10K->9.1K
CB3
0.1uF
CB3
0.1uF
C669
10uF/10v
C669
10uF/10v
C751
0.1uF
C751
0.1uF
+
-
U55A
LM4558
+
-
U55A
LM4558
3
2
1
8
4
+
EC15
100uF/16v
+
EC15
100uF/16v
C667
2.2uF
C667
2.2uF
EQ4
2N3904
EQ4
2N3904
1
3
2
R1761
10K->5.1K
R1761
10K->5.1K
R1765
22
R1765
22
+
CE640
47uF/16v
+
CE640
47uF/16v
R1783
22
R1783
22
C648
100pF
C648
100pF
C641
100pF
C641
100pF
+
CE4
47uF/16v
+
CE4
47uF/16v
C668
2.2uF
C668
2.2uF
ER18
1K
ER18
1K
WFB5
FB
WFB5
FB
ER7
10K->3.9K
ER7
10K->3.9K
C670
10uF/10v
C670
10uF/10v
R1759
10K
R1759
10K
CB996
0.1uF
CB996
0.1uF
ER24
22
ER24
22
C300
2.2uF
C300
2.2uF
+
CE644
47uF/16v
+
CE644
47uF/16v
R1731
10K
R1731
10K
R1757
4.7K
R1757
4.7K
R37
1.8K
R37
1.8K
ER8
10K->3.9K
ER8
10K->3.9K
X
-
EUA2A
PT2308
X
-
EUA2A
PT2308
3
2
1
8
4
R1790
10K
R1790
10K
EQ5
2N3904
EQ5
2N3904
1
3
2
EC8
1000pF->NC
EC8
1000pF->NC
R1760
10K->9.1K
R1760
10K->9.1K
R1758
10K->15K
R1758
10K->15K
C750
0.1uF
C750
0.1uF
Q71
2N3904
Q71
2N3904
1
3
2
+
CE630
47uF/16v
+
CE630
47uF/16v
R1786
10K->9.1K
R1786
10K->9.1K
R1729
10K
R1729
10K
ER19
22
ER19
22
CB4
0.1uF
CB4
0.1uF
+
-
U55B
LM4558
+
-
U55B
LM4558
5
6
7
8
4
R1763
22
R1763
22
CB998
0.1uF
CB998
0.1uF
R1779
10K
R1779
10K
Q72
2N3904
Q72
2N3904
1
3
2
Q61
2N3904
Q61
2N3904
1
3
2
WFB4
FB
WFB4
FB
C301
2.2uF
C301
2.2uF
X
-
EUA2B
PT2308
X
-
EUA2B
PT2308
5
6
7
8
4
BP7
AUDIO_L/R
BP7
AUDIO_L/R
1
1
GND
2
NC
3
NC
4
5
5
6
6
7
7
FB71
FB
FB71
FB
+
CE641
47uF/16v
+
CE641
47uF/16v
C644
1000pF
C644
1000pF
R1756
22
R1756
22
ER15
10K
ER15
10K
R1754
10K->5.1K
R1754
10K->5.1K
C646
1000pF
C646
1000pF
EC6
100pF->NC
EC6
100pF->NC
R1728
10K
R1728
10K
CB995
0.1uF
CB995
0.1uF
+
CE650
47uF/16v
+
CE650
47uF/16v
Summary of Contents for HL55XZK22
Page 10: ...Service Manual Model No HL55XZK22a 9 2 2 External pictures four faces Front Side Left Side ...
Page 11: ...Service Manual Model No HL55XZK22a 10 Right Side Back Side ...
Page 29: ...Chapter 7 Electrical Parts 7 1 Block Diagram Service Manual Model No HL55XZK22a 29 ...
Page 56: ...9 2 Power Supply Board Failure Check Service Manual Model No HL55XZK22a 55 ...