JBL BOOST TV, Руководство по обслуживанию, Страница: 13 / 22

IR
GND
3.3V
3.3V
GND
OPTICAL
AUX_L
GND
AUX_R
U5V
D-
D+
GND
19V
GND
5V
ADKEY3
ADKEY2
ADKEY1
EV1 TO DV1 change list:
1: MCU58#( BT_LED_EN )& 59#(LINK_LED_EN) CANCEL
2: DELLETE R181 (33) and cancel MCU 24# (UART_TX_BT)
3: DELETE VREGEN CIRCUIT: U15(FDV301N),R167,R184(47K)R168(470K)
C163(105) C167(224)
USE MCU58# FOR VREGEN
4: POWER_DET : FROM MCU72# change to mcu77#
5: MUTE cirsuit: del CE5 (47u), C51(105), ADD R167(47K), C163(10U)
R40 change to 1K from 33K.
sampling change to P5V from 19V
6：CS42528 LOUT change to 34#,35# from 28#,29#.
DV1 TO DV2 change list
1: R127,131 33 change to 2K. (AUX ATO change to 2~3MV.)
2: LED9 ： blue led change to amber led.
4: L38 0 change to 33.(input board)
3: ADD C165,C167 224*2 ( improve 20KHz frequency response)
5：R20 7.5K change to 7.68K.(5.24v =>5.15v)
6: delete R6,R8 47K; R7 1K,R1 22K Q1 8050,U1 MEP4435Q8
ADD R198 0/1206 (cost down)
7: C58 10P change to 100P. ( To solve crosstalk optical and bluetooth.)
DV2 TO PV change list
1: ADD R151 150K (PIC32M470F512L/450F512L)
2: ADD ESD11,ESD12.
3：CS42528 19# TO GND.
4：R127,131 2K change to 1K ohm.
5: R102 10K change to NC.
6: C214 10P change to 100P;
PV TO MP change list
1: add c11 102
2: R21 43.2K change to 43K.
7： U13 PIC32M470F512L change to PIC32M450F256L.
8: U17 SST25VF032B change to KH256L1606E.
I G O
IR1
IR
R252
22
R251
2.2K
C218
104
C219
10U
1
2
3
CN11
3PIN WIRE
L37
FB600
L36
FB600
L35
FB600
C212 560P C211 560P
1
2
3
4
5
JK3
PJ-306
1
2
3
JK2
C209
104
1 2
3 4
L34
NC
1
VCC
2
D-
3
D+
4
DET
5
GND
6
7
8
9
JK1
MICRO_USB
L33
FB600
L32
FB600
L31 FB600
L30
FB600
1
2
CN9
2PIN WIRE
1
VOUT
2
GND
3
VCC
4
5
JK4
OPTICAL
ESD9
NC
ESD10
NC
C216
102
C217
104
L39 FB600
ESD8 ESD ESD7 ESD
ESD2
ESD
ESD3
ESD
ESD5
ESD
S2
SURROUND
S1
BLUETOOTH
S6
LINK
S5
VOL+
S3
VOL-
S4
POWER
S7
TV/S.SCREEN
R222
7.5K1%
R211
4.7K1%
R239
0
R235
7.5K1%
R228
0
R223
7.5K1%
R244
0
R221
10K1%
R227
10K1%
R243
10K1%
C197
102
C206
102
C201
102
ESD6
NC
ESD4
NC
ESD1
NC
R231 4.7K
R229
22K
C202
104
E
B
C
Q12
C8050
LED5
WHITE
R230
1K
R233 4.7K
R234
22K
C204
104
E
B
C
Q13
C8050
LED6
AMBER
R232
1K
R238
4.7K
R236
22K
C208
104
E
B
C
Q14
C8050
LED7
WHITE
R237
1K
R226 4.7K
R224
22K
C200
104
E
B
C
Q11
C8050
LED4
WHITE
R225
1K
R217
4.7K
R215
22K
C198
104
E
B
C
Q9
C8050
LED2
WHITE
R216
1K
R219
4.7K
R220
22K
C199
104
E
B
C
Q10
C8050
LED3
AMBER
R218
1K
R214 4.7K
R212
22K
C196
104
E
B
C
Q8
C8050
LED1
BLUE
R213
1K
R242 4.7K
R240
22K
C210
104
E
B
C
Q15
C8050
LED8
WHITE
R241
1K
R249
4.7K
R250
22K
C215
104
E
B
C
Q17
C8050
LED10
WHITE
R248
1K
R247 4.7K
R245
22K
C213
104
E
B
C
Q16
C8050
LED9
AMBER
R246
1K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
CN10
18PIN FPC SOCKET
C203
10P
C205
10P
C207
104
L38 33
M1
M2
M3
M4
M5
M6
C214
100P
1
2
3
4
5
6
7
8
9
10
2
1
1
1
CN8
FPC10_12G
FPC10_0.5MM
ESD11
ESD
ESD12
ESD
C11
102
[4]
KLED_POWON
[4]
K
LE
D_
S
TA
N
DB
Y
[4]
KLED
_V
OL+
[4]
KLED
_VOL-
[4]
KLED
_S
U
R
R
O
U
N
D
[4]
KLED
_ST
ER
EO
[4]
KLED
_B
T
[4]
KLED
_L
IN
K
[4]
KLED
_T
V
[4]
KLED
_S
.SC
R
E
EN
[4]
KLED_BT
[4]
KLED_SURROUND
[4]
KLED_STEREO
[4]
KLED_VOL-
[4]
KLED_POWON
[4]
KLED_STANDBY
[4]
K
[4]
KLED_LINK
[4]
KLED_TV
[4] KLED_S.SCREEN
SCHEMATIC DIAGRAM - KEY BOARD, AUX BOARD, IR BOARD