DOWNLOAD JBL BOOST TV Service Manual ↓ Size: 2.75 MB | Pages: 22 in PDF or view online for FREE

Name: JBL BOOST TV
Brand: JBL
SKU: 75224
Rating: 4 (1 reviews)

Model: BOOST TV
Pages: 22
Size: 2.75 MB
Type: PDF
Document: Service Manual
Brand: JBL
Device: Audio
File: boost-tv.pdf
Date: 2018-11-20

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Bluetooth Section
Description
Specification
Bluetooth Standard
Version 3.0 + EDR
Frequency Band
2.402 – 2.480 GHz
Host Interface
UART
Profile Supported
SPP (Serial Port Profile)
A2DP (Advanced Audio Distribution Profile)
AVRCP (Audio/Video Remote Control Profile)
Technical Specifications
Description
Specification
Rated Output Power at 1% THD+N
15W x2 (4 ohm load)
Measure at 1KHz
System gain
Analog : 30dB +/- 1dB
Digital : 30dB +/- 1dB
Measure at 1KHz
Input Sensitivity
Analog : 250mV +/- 1dB
Digital : -18dBFS +/- 1dB
Measure at 1KHz
Input Overload
Analog : 2V rms
Frequency Response (Output Power)
60Hz to 20KHz
THD+N at 1W
<0.3 %
THD+N at Rated Output Power
<1%
Signal-to-Noise ratio at 1W (A-Weighted)
72dB (A-Weighted)
Signal-to-Noise ratio at Rated Output Power
85dB (A-Weighted)
Signal-to-Noise ratio at 1W (A-Weighted
44.1KHz 16bit)
>63dB
Signal-to-Noise ratio at Rated Output
Power(44.1KHz 16bit)
>76dB
Channel Separation(EQ setting is disable)
60dB@100Hz
60dB @1KHz
60dB @10KHz
Function Crosstalk
75dB@100Hz
70dB @1KHz
65dB @10KHz
Dynamic range
85dB@1KHz
Input Impedance
>10Kohm
Residual Noise
1.2mV rms
DC Offset
<30mV
Damping Factor
>10
Signal Sensing(ATO) at 1 kHz
Analog: <5mV
Digital : < -70dBF
Audio Amplifier Section

1
2
6
7
8
1
1.RipofftheRubberButtonandRubber
Pad
2.DisassembleButton
Bracket
1
Pad.
Bracket.
4 Separate Front and Rear Housing
4.SeparateFrontandRearHousing.
5.Pullupthecab
3
4
5
3
3.DismantleGrille1andGrille2
BracketandFeet
2
5
6
2
1
3
4
6.Loosen6pcsscrews。
blesfromMainBoard
DISMANTLING INSTRUCTIONS

7.Loosen8screwsandtakeoutdriver
brackets
8.DisassembletheKeyb
the Key Board off by scre
brackets
theKeyBoardoffbyscre
attentiontoyellowglueo
10 Loosen 9 pcs screws to disassemble Port tube
10.Loosen9pcsscrewstodisassemblePorttube.
2
3
3
1
4
9.Loosen4pcsscrewstotaketheAUX
Board off
oardandreceiver.Take
ew driver Pay more
Boardoff.
ewdriver.Paymore
oncablethroughthehole.
11 Loosen 5pcs screws to disassemble the
11.Loosen5pcsscrewstodisassemblethe
LeftorRightBassPort.

LCH 15W
4 OHM
RCH 15W
4 OHM
TPA3118
AMPLIFIER
CODOC
CS42528
DSP（Dobly digital)
CS48L11
MCU
PIC32MX250F256L
MCLK
I2C
KEY/LED
IR
UART
16M FLASH
16K BIT EEPROM
24C16
I2C
SPI
I2S x1
I2S
MCLK
SPI
AUX_IN_DETECT
OPTICAL_DETECT
OP
NJM4580*2
AUX_IN
OPTICAL IN
SPDIF
SPDIF
ANALOG
BLUETOOTH
BM880
I2S
XTAL 12.288MHz
XTAL 4MHz
AC IN
ADAPTER
19V/2A
SWITCH
DC TO DC
MP2314
MICRO USB
FOR UPGRADE
5V
SWITCH
P5V
LDO
AS1117_3.3V
LDO
AS2930_1.2V
P3.3V
LDO
AS2930-3.3V
3.3V
A3.3V
MCU_3.3V
3.3V_BT
PVCC
SET BLOCK DIAGRAM

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