JBL BOOST TV Service Manual page 13

SCHEMATIC DIAGRAM - KEY BOARD, AUX BOARD, IR BOARD
IR1
IR
22 2.2K
R252 R251
3PIN WIRE
CN11
1
IR
C219 C218
2
10U 104 GND
3
3.3V
3
VCC
2
GND
JK4
1
OPTICAL
VOUT
JK3
PJ-306
1
2
3
4
5
ESD12
ESD
JK1
7
1 L33
VCC
2
L32
D-
3 L31
D+
4
DET
5
L30
GND
6
MICRO_USB
NC
JK2
1
L34
1
2
C11
C209
102
104
3 3
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#.
L39 FB600
L38 33
FPC10_0.5MM
CN8
FPC10_12G
1
3.3V
2
OPTICAL
3
GND
FB600
L35 4
AUX_L
L36 FB600 5
GND
FB600
L37 6
AUX_R
7
U5V
8
D-
9
D+
10
GND
FB600
FB600
FB600
FB600
2PIN WIRE
CN9
2 1
19V
2
GND
4
ESD
ESD11
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.
3: ADD C165,C167 224*2 ( improve 20KHz frequency response)
4: L38 0 change to 33.(input board)
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.)
18PIN FPC SOCKET
CN10
1
2
3
4
[4]
KLED_STANDBY
5 [4]
KLED_POWON
6 [4]
KLED_VOL+
7
[4]
KLED_VOL-
[4]
8
KLED_BT
9 [4] KLED_S.SCREEN
10 [4]
KLED_TV
11
[4]
KLED_LINK
ADKEY3
12
ADKEY2
13
ADKEY1
14
15 [4]
KLED_SURROUND
[4]
16
KLED_STEREO
17
5V
18
R230
1K
LED6
LED5
WHITE AMBER
C
Q12
B C8050
E
R229 R234
C202
104
22K
22K
R237
1K
M1
M2
LED7
LED4
M3 WHITE WHITE
M4
M5
C
M6
Q14
B
C8050
E
R236 C208 R224
22K 104 22K
DV2 TO PV change list
PV TO MP change list
1: ADD R151 150K (PIC32M470F512L/450F512L)
1: add c11 102
2: ADD ESD11,ESD12. 2: R21 43.2K change to 43K.
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;
7： U13 PIC32M470F512L change to PIC32M450F256L.
8: U17 SST25VF032B change to KH256L1606E.
10K1% 10K1%
R227
R221
SURROUND
VOL+
7.5K1% 7.5K1%
R222 R235
S2 S5
BLUETOOTH POWER
4.7K1% 0
R211 R228
S1 S4
LINK
0
R239
S6
C206 ESD4
ESD6 C197
NC 102 NC
102
R218
R232 R216
1K 1K
1K
LED3
LED2
WHITE AMBER
C
C C
Q9 Q10
Q13
B
B B C8050
C8050 C8050
E
E E
R250
R220
C204 R215 C198 C199
22K
22K 104
104 22K 104
R225
R213
R241
1K
1K
1K
LED1
LED8
BLUE
WHITE
C
C
C
Q11
Q8
Q15
B
C8050 B
C8050 B
C8050
E
E
E
C200
R212 C196
R240 C210
104
22K 104
22K 104
10K1%
R243
VOL-
7.5K1%
R223
S3
TV/S.SCREEN
0
R244
S7
C201 ESD1
NC
102
R248 R246
1K
1K
LED10 LED9
AMBER
WHITE
C C
Q16
Q17
B B
C8050 C8050
E E
C215 R245 C213
104 22K 104