TCL L24D20, Service Manual

Page: 25 / 46

GND
GND
GND
GND GND GND
GND
GND
GND
GND
GND
GND
GND
GND
GND GND
GND GND GND
GND
GND
2IN+
2IN-
2OUT
VCC+
1IN+
1IN-
1OUT
VCC-
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
10
M/SS
VP
11
12
13
14
15
16
17
18 -INV1
SGND
SVRR
OUT1
PGND
OUT2
-INV2
GND
GND
GND
GND
GND
GND
GND
T
T
T
T
Y0B
Y2B
ZB
Y3B
Y1B
E
VEE
VSS A1
A0
Y3A
Y0A
ZA
Y1A
Y2A
VDD
...
DD-MM
DD-MM
DD-MM
DD-MM
...
...
...
...
...
...
...
...
...
...
...
...
...
...
...
DD-MM-YY
......
Tel +86-755-3331xxxx Fax +86-755-3331xxxx
Nanshan District, Shenzhen, Guangdong
B Building, TCL Tower, Nanhai Road
TCL Thomson Electronics Ltd.
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PAGE:
ON:
BY:
BY:
ON:
CHECKED DATE
Last saved :
DESCRIPTION Last modif NAME
A
3 2 1
F
E
D
C
B
8 7 6 5
5
4 3 2 1
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
F
E
D
C
B
A
4 6 7 8
FORMAT DIN A2
Index-Lab
DESIGNATION
SBU :
TCLNO:
DRAWN
L-SPK
R-SPK
GND
GND
D/A CIRCUIT
D/A AND OP CIRCUIT
AUDIO MUX
NEAR IC SHIELDING WITH GND
NEAR IC SHIELDING WITH GND
L-SPK
R-SPK
GND
GND
TO SPEAKER
MT23C
01-0MT23C-MAB2XG
11-23-2010_9:10
R651
10K
L-OUT
16V
220U
C642
R-OUT
R652
4K7
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
U603
HEF4052B
MUTE
C641
220U
16V
Z79
1
2
3
4
P601A
R656
20K
Z76
Z77
Z78
1
2
3
4
P601
R618
470R
R655
22K
+12V
C657
470U
25V
LO_L
16V
10U
C631
10
8
7
11
12
13
14
15
16
17
18 1
2
3
4
5
6
9
U602
TDA1517P
+5VSB
R698
10K
JTCK
R699
10K
R638
10K
B
C
E
Q609
BT3904
B
C
E
Q607
BT3904
R637
4K7
R636
22K
B
C
E
Q608
BT3906
DAC1_AOUTR
R654
1K
C653
473NF
DAC1_AOUTL
B
C
E
Q606
BT3904
R640
75R
+12V
R631
100K
NC
R621
100K
NC
+12V
R626
10R
DAC1_AOUTR
DAC1_AOUTL
R694
10K
16V
10U
C621
AOL1
AOR1
AOL0
LO_R
R693
10K
R608
470R
C607
10NF
AOR0
C601
1U
R628
47K
C619
10U
16V
B
E
C
Q604
BT3906
AV1_L_IN
AV1_R_IN
R647
22K
AV2_R_IN
AV2_L_IN
R623
10K
R633
10K
R660
4K7 NC
R661
4K7
NC
OPAV120
OPA2VREF
L604
220R
R634
15K
C609
100P
R653
4K7
0.1U
C645
C644
220U
16V
C627
0.1U
C625
100U
16V
R649
22K R644
22K R645
22K
AIN_R
+12V
AIN_L
R650
10K
B
C
E
Q605
BT3904
C610
100P
C620
1U
R627
47K
OPA2VREF OPAV120
C633 100P
C623 100P
R624
15K
C632
1000P
C622
1000P
R632
5K1
R622
5K1
R609
47K
R607
1K2
C605
1U
R606
220K
R603
100K
R605
6K8
R604
330K
AUV120
C604
0.1U
C603
220P
R602
8K2
R601
8K2
AUV120 +12V
C608
0.1U
5
6
7
8
3
2
1
4
U601
RC4558
C618
470U
16V
C606
10U 16V
C602
680P
L601
220R
L603
220R
B
E
C
Q602
BT3906
B
C
E
Q601
BT3904
C628
10U
16V
16V
10U
C626
C617
10NF
R619
47K
R617
1K2
C615
1U
R616
220K
R613
100K R615
6K8
R614
330K
AUV120
C614
0.1U
C613
220P
C611
1U
R612
8K2
R611
8K2
C616
10U 16V
C612
680P
B
C
E
Q603
BT3904
R642
10K
R643
10K
U1TX
AVDD3V3
R696
6.8K
R695
10K
D602
1N4148W
C652
3300P
C629
47U
16V
C651
3300P
R639
1K
R641
22K
+12V
C656
1U
16V
R657
20K
C655
100U
16V
C650
470NF
R697
56K
C658
0.1U
U1RX