Sharp QT-V5E (serv.man6) Service Manual ▷ View online
QT-V5E/QT-V5H
6 – 2
IC203 9HX06830480284: DC-DC Converter (IRU3048CS)
Bias
Generator
LDrv2
Two Phase
Oscillator
1.25V
3V
Ramp1
Fb3
0.5V
POR
POR
Gnd
HDrv2
VcH2
SS
Comp2
Error Amp2
PWM Comp2
POR
V
OUT3
25uA
Reset Dom
LDrv1
HDrv1
VcH1
Fb1
Comp1
Error Amp1
PWM Comp1
25K
25K
Reset Dom
Set1
Set2
Ramp2
64uA Max
UVLO
VcH2
3.5V / 3.3V
VcH1
3.5V / 3.3V
4.2V / 4.0V
Fb2
25K
40mA LDO Controller
PGnd
Vcc
1.25V
1.25V
SS > 2V
R
S
Q
S
R
Q
Vcc
9
15
16
3
2
4
14
1
12
11
10
5
6
7
8
13
1.25V
2V
SS
25K
25K
25K
Figure 6-2 BLOCK DIAGRAM OF IC
QT-V5E/QT-V5H
6 – 3
IC205 9HX03523130047: Audio Processor (PT2313L)
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Pin No.
Terminal Name
Input/Output
Function
1
RFE
INPUT
Analog reference voltage (1/2 VDD).
2
VDD
INPUT
Supply input voltage.
3
AGND
——
Analog ground.
4
TREB_L
INPUT
Left channel input for treble controller.
5
TREB_R
INPUT
Right channel input for treble controller.
6
RIN
INPUT
Audio processor right channel input.
7
ROUT
OUTPUT
Gain output and input selector for right channel.
8
LOUD_R
INPUT
Right channel loudness input.
9
RIN3
INPUT
Right channel input 3.
10*
RIN2
INPUT
Right channel input 2
11
RIN1
INPUT
Right channel input 1
12
LOUD_L
INPUT
Left channel loudness input.
13
LIN3
INPUT
Left channel input 3.
14
LIN2*
INPUT
Left channel input 2.
15
LIN1
INPUT
Left channel input 1.
16
LIN
INPUT
Audio processor left channel input
17
LOUT
OUTPUT
Gain output and input selector for left channel.
18
BIN_L
INPUT
Left channel input for bass controller.
19
BOUT_L
OUTPUT
Left channel output for bass controller.
20
BIN_R
INPUT
Right channel input for bass controller.
21
BOUT_R
OUTPUT
Right channel output for bass controller.
22*
RROUT
OUTPUT
Right rear speaker output.
23*
LROUT
OUTPUT
Left rear speaker output.
24
RFOUT
OUTPUT
Right front speaker output.
25
LFOUT
OUTPUT
Left front speaker output.
26
DGND
——
Digital Ground
27
DATA
INPUT
Control data input
28
CLK
INPUT
Clock input for serial data transmission.
LIN1
LIN2
LIN3
LIN1
LIN2
LIN3
RIN3
RIN2
RIN1
RIN3
RIN2
RIN1
Input
Selector
& Gain
Control
VDD AGND REF ROUT RIN LOUD_R BOUT_R BIN_R TREB_R
Supply
Volume
&
Loudness
Volume &
Loudness
Loudness
Bass
Bass
Treble
Treble
R B
R B
Serial Bus Decoder & Latches
LOUT
LIN LOUD_L BOUT_L BIN_L
TREB_L
Mute
Mute
Mute
Mute
Speaker
ATT
Speaker
ATT
Speaker
ATT
Speaker
ATT
LFOUT
LROUT
CLK
DATA
DGND
RFOUT
RROUT
Figure 6-3 BLOCK DIAGRAM OF IC
PARTS GUIDE
SHARP CORPORATION
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and performance of the set.
QT-V5E/QT-V5H
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
for after sales service only.
The contents are subject to change without notice.
[1] INTEGRATED CIRCUITS
[2] TRANSISTORS
[3] DIODES
[4] FILTERS
[5] TRANSFORMERS
[6] COILS
[7] VARIABLE CAPACITORS
[8] VIBRATORS
[9] CAPACITORS
[10] RESISTORS
[11] OTHER CIRCUITRY
PARTS
[12] CABINET PARTS
[13] ACCESSORIES
[14] P.W.B. ASSEMBLY
(Not Replacement Item)
INDEX
QT-V5E
MODEL
DVD/CD SYSTEM
QT-V5H
MODEL
DVD/CD SYSTEM
CONTENTS
QT-V5E/QT-V5H
2
NO.
PARTS CODE
PRICE
RANK
NEW
MARK
PART
RANK
DESCRIPTION
[1] INTEGRATED CIRCUITS
IC101
9HX06526160501
AM
IC PLL BU2616F
IC103
9HX01518230035
AM
IC TUNER FM/AM LA1823
IC201
9HX04873130284
AN
IC IRF7313 (POWER MOSFET) (SO-8)
IC202
9HX04873130284
AN
IC IRF7313 (POWER MOSFET) (SO-8)
IC203
9HX06830480284
AR
IC IRU3048CS (DC-DC CONVERTERCONTROL) (SOIC)
IC204
9HX00782290105
AH
IC POWER AMP.,TA8229K
IC205
9HX03523130047
AL
IC AUDI PROCESSOR,PT2313L
IC301
9HX06094180585
AV
IC MICROCOMPUTER,UPD78F9418AGC
[2] TRANSISTORS
Q100
9HX10380500300
AE
TR NPN 8050C
Q101
9HX10380500300
AE
TR NPN 8050C
Q102
9HX10380500300
AE
TR NPN 8050C
Q103
9HX10331992700
AE
TR NPN KTC3199 (GR)
Q104
9HX10331992700
AE
TR NPN KTC3199 (GR)
Q106
9HX10390140300
AE
TR NPN MMBT 9014C
Q107
9HX10390140300
AE
TR NPN MMBT 9014C
Q108
9HX10390180700
AE
TR NPN 9018G
Q109
9HX10331992700
AE
TR NPN KTC3199 (GR)
Q110
9HX10331992700
AE
TR NPN KTC3199 (GR)
Q111
9HX10390180700
AE
TR NPN 9018G
Q201
9HX10390140300
AE
CHIP TR MMBT9014C
Q202
9HX10385500400
AE
TR HE 8550D
Q203
9HX10380500300
AE
TR NPN 8050C
Q204
9HX10390140300
AE
CHIP TR MMBT9014C
Q205
9HX10390140300
AE
CHIP TR MMBT9014C
Q206
9HX10390140300
AE
CHIP TR MMBT9014C
Q207
9HX10390140300
AE
CHIP TR MMBT9014C
Q208
9HX10390140300
AE
CHIP TR MMBT9014C
Q209
9HX10390140300
AE
CHIP TR MMBT9014C
Q210
9HX10385500400
AE
TR HE 8550D
Q211
9HX10390140300
AE
CHIP TR MMBT9014C
Q212
9HX10385500400
AE
TR HE 8550D
Q213
9HX10390140300
AE
CHIP TR MMBT9014C
Q214
9HX10390140300
AE
CHIP TR MMBT9014C
Q215
9HX10390140300
AE
CHIP TR MMBT9014C
Q216
9HX10385500400
AE
TR HE 8550D
Q301
9HX10390140300
AE
TR NPN MMBT 9014C
Q302
9HX10390140300
AE
TR NPN MMBT 9014C
Q303
9HX10390140300
AE
TR NPN MMBT 9014C
[3] DIODES
D7
9HX12470400003
AK
LED BACKLIT FOR DISPLAY (ORANGE)
D101
9HX10600060300
AE
DIODE ESD-0603ESDA
D103
9HX10600414800
AE
DIODE 1N4148
D104
9HX10620010105
AE
FM TUNING DIODE 1SV101
D105
9HX10620010105
AE
FM TUNING DIODE 1SV101
D108
9HX10610034800
AG
AM TUNING DIODE SVC-348S-AL
D201
9HX10600414800
AE
DIODE 1N4148
D202
9HX10600414800
AE
DIODE 1N4148
D203
9HX10600581900
AE
SCHOTTKY BARRIER DIODE 1N5818
D204
9HX10600581900
AE
SCHOTTKY BARRIER DIODE 1N5818
D205
9HX10600581900
AE
SCHOTTKY BARRIER DIODE 1N5818
D206
9HX10600581900
AE
SCHOTTKY BARRIER DIODE 1N5818
D207
9HX10600414800
AE
DIODE 1N4148
D208
9HX10600414800
AE
DIODE 1N4148
D209
9HX10601400100
AC
DIODE 1N4001 50V/1A
D301
9HX10600414800
AE
DIODE 1N4148
D302
9HX10600414800
AE
DIODE 1N4148
D303
9HX10600414800
AE
DIODE 1N4148
D304
9HX10600414800
AE
DIODE 1N4148
D305
9HX10600414800
AE
DIODE 1N4148
D309
9HX10600414800
AE
DIODE 1N4148
D310
9HX10600414800
AE
DIODE 1N4148
D311
9HX10600414800
AE
DIODE 1N4148
D313
9HX10600414800
AE
DIODE 1N4148
D317
9HX10600414800
AE
DIODE 1N4148
D320
9HX10600414800
AE
DIODE 1N4148
D401
9HX10613540100
AE
DIODE 1N5401 100V/3A
D402
9HX10613540100
AE
DIODE 1N5401 100V/3A
D403
9HX10613540100
AE
DIODE 1N5401 100V/3A
D404
9HX10613540100
AE
DIODE 1N5401 100V/3A
LED302
9HX12400200001
AC
LED RED DIA 3mm (7811B) (LONG LEAD 30mm)
ZD100
9HX10601100510
AC
ZENER DIODE+-5% 11V
ZD101
9HX10600560510
AC
ZENER DIODE+-5% 5V6
ZD102
9HX10600560510
AC
ZENER DIODE+-5% 5V6
ZD201
9HX10601200510
ZENER DIODE+-5% 12V
ZD209
9HX10600620510
ZENER DIODE+-5% 6.2V
ZD210
9HX10600820510
AC
ZENER DIODE+-5% 8V2
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