Read JBL Boost TV (serv.man2) Service Manual online
IR
GND
3.3V
3.3V
GND
OPTICAL
AUX_L
GND
AUX_R
U5V
D-
D+
GND
19V
GND
5V
ADKEY3
ADKEY2
ADKEY1
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
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.
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.
2: R21 43.2K change to 43K.
7： U13 PIC32M470F512L change to PIC32M450F256L.
8: U17 SST25VF032B change to KH256L1606E.
I
G
O
IR1
IR
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
3
4
5
5
JK3
PJ-306
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
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]
KLED_VOL+
[4]
KLED_LINK
[4]
KLED_TV
[4]
KLED_S.SCREEN
SCHEMATIC DIAGRAM - KEY BOARD, AUX BOARD, IR BOARD
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