Hisense LTDN50K3801UWTRU Service Manual page 59

5
SPEAKER Amplifier
I2C Address
= 0x6A
D
C233 C238
470n/50V 1u/50V/NC
C280
L23
15.0 uH
10n/50V/NC
R281
2.2R/NC
C
N21
close to
pin2 3 44 45, 20130326 by tony
VPA 1
OUT_A
2
PVDD_A
C248 3
C246 C724 C725
PVDD_A_7
100n/25V
10u/25V 33n/50V
100u/25V 4
BST_A
5
GVDD_OUT_31
6
SSTIMER
C252
C253
7
1u/25V OC_ADJ
2.2n/50V/NC
8
R293
NC
22k
9
AVSS
10
PLL_FLTM
11
C260 C261 PLL_FLTP
B
4.7n/50V 47n/16V 12
R249
VR_ANA
470R
C262
R299
4.7n/50V
470R
C263
47n/16V
DVDD3V3 AVDD
L30
DVDD3V3
BLM18PG121SN1
C266
R302
10u/6.3VV
18k
R262
C268
15k
100n/25V
A
5
4
AMP-Rout+ AMP-Lout+
AMP-Rout- AMP-Lout-
C234 C235 C241 C236
470n/50V
470n/50V 1u/50V/NC 470n/50V
C231 L25
L26
15.0 uH C230
10n/50V/NC
15.0 uH 15.0 uH
10n/50V/NC
L24
R283
R285
R282
2.2R/NC
2.2R/NC
2.2R/NC
C243 C244
33n/50V 33n/50V
36
OUT_D
35
PVDD_D_44
34
PVDD_D
33
TAS5707
BST_D
32
GVDD_OUT
31
VREG
30
AGND
29
GND
28
DVSS
27
DVDD
26
STEST
25
RESET_24_24
49
EPAD
R301
18k
C267
1u/10V
R259
200R
MUTE_5707
R266 R267
C271
RST_AMP
C269 C270
10k
10R/NC
4.7u/10V 100n/16V 4.7u/10V
AVDD
4
3
Woofer_IN+ 6
Woofer_IN- 5
AMP-Rout+ 4
3
AMP-Rout-
AMP-Lout- 2
AMP-Lout+ 1
XP15
C232
10n/50V/NC
close to
MTUE CIRCUIT
pin34 35 40 41 20130326 by tony
VPA
C723
C249 C722
+5V +12V
33n/50V
10u/25V
100n/25V
R290
1k/NC
C255
C254
1u/25V
100n/16V
DVDD
L29 DVDD3V3
BLM18PG121SN1 R248
C257
C259
0R/NC
10u/6.3VV 1u/10V
R711
R251
RST_AMP OPCTRL4
100R/NC
0R
C264
R300
100n/16V
DVDD
10k
R303 100R
OSCL0
R304 100R
OSDA0
R305 33R
AOSDATA0_D
R261 33R AOBCLK_D
R263 33R
AOLRCK_D
R264 33R AOMCLK_D
R265
10k
I2S 器 器 器 器 器 器 器 功 功 p in 脚
20130326 by tony
3
2
2,3,4,5,6,7,8,9,10,11,12,13,14,15,17
2,5,6,7,8,9,10,12,14,15,17
VD20
1
1N4148W
VD9
R291
1 2
220R
1N4148W /NC
VD10
VD11
R294
R295 V22
1 2 2 3 1
0R
1k
1N4148W 1N4148W
MMBT3906LT1
C726
R298 Power Off Mute
56k
10u/25V
VD12
DVDD3V3
1N4148W
R280
4.7k/NC
R254 VD13
R253
47k AMP_MUTE 1
0R
1N4148W
C265
100n/16V
Hisense Electric Co.,LTD Hisense Electric Co.,LTD Hisense Electric Co.,LTD
Title Title Title
Size Size Size
A3 A3 A3
Date: Date: Date:
2
1
GND
GND
+5V
+5V
+12V
2,12,13,17 +12V
+14V
2,17 +14V
5VS
2,5 5VS
DVDD3V3
2,3,5,11,12,17 DVDD3V3
3.3VS
2,3,4,5,10,11 3.3VS
OSCL0
3,11,14,17 OSCL0
OSDA0
3,11,14,17 OSDA0
AOMCLK_D
9,17 AOMCLK_D
AOBCLK_D
9,17 AOBCLK_D
AOLRCK_D
9,17 AOLRCK_D
AOSDATA0_D
9,17 AOSDATA0_D
OPCTRL4
3,4 OPCTRL4
AMP_MUTE
4 AMP_MUTE
HPDET#
4,17 HPDET#
AL0O
9,17 AL0O
AR0O
9,17 AR0O
RST_AMP
17 RST_AMP
MUTE_5707
16,17 MUTE_5707
POP_MUTE_DRV632
16,17
POP_MUTE_DRV632
Woofer_IN+
Woofer_IN+
16
Woofer_IN-
Woofer_IN-
16
VPA
2 VPA
Power On Mute
2 POP_MUTE_DRV632
R288
5VS
0R/NC
R289
+5V
0R
R239
4.7k
R292
MUTE1 MUTE_5707
10k
R296
2 MUTE 1
V23
10k
R297
C256
47k/NC
10u/10V/NC
R247
47k
0:PWM Stop
2
1:PWM Normal
SPEAKER/MUTE SPEAKER/MUTE SPEAKER/MUTE
Document Number Document Number Document Number Rev Rev Rev
MT5311G MT5311G MT5311G 1.0 1.0 1.0
Friday, November 08, 2013 Friday, November 08, 2013 Friday, November 08, 2013 Sheet Sheet Sheet 16 16 16 of of of 17 17 17
1
D
C
B
A