Sharp DV-HR400H (serv.man2) Service Manual ▷ View online
21
DV-HR400S/H
DV-HR450S
DV-HR480S/H
Is video signal input to IC2601 pins
18, 13, 23 and 28?
Is luminance signal input to IC2201
pin 1? Is video signal input to
IC2201 pin 2?
Is chroma signal input to IC2201
pins 3 and 5?
FLO
W CHAR
T No.9
Image E-E does not appear
.
1
In external video input mode
■
Check line between rear SCAR
T
L1 terminal (SC2601) and IC2601
pin 23.
■
Check line between rear SCAR
T
L2 terminal (SC2602) and IC2601
pin 28.
■
Check line between front video input 3 terminal (J2702) and IC2601
pin 13.
2
In external S input mode
■
Check line between front S
Y
input 3 terminal (J2701) and IC2201 pin 1.
■
Check line between front S C input 3 terminal (J2701) and IC2201pin 3.
3
In U/V tuner mode
Check line between pin 19 of U/V tuner (TU1501) and IC2601 pin 18.
YES
YES
NO
Is video signal input to pins of main unit
connector CN3001?
CN3001 pin 1 CVBS/Y
signal
CN3001 pin 3 C signal
NO
In external video input 1/2/3 mode, U/V tuner
mode:
Is video signal output to IC2601 pin 5?
Is 12V applied to IC2601 pin 14? Is 5V applied to
IC2601 pin 24?
Check or replace IC2601.
Check 12V line and STNBY
5V .
For 12 V line, check IC2691 12V
REG,
A
T14 line of IC2691 pin 1,
and STBY
CTL
line of IC2691 pin
2.
NO
YES
YES
NO
YES
YES
NO
Is signal input to pin 22 IIC_SCL
and pin 21 IIC_SDA
controlling IC2601?
Check IIC_SCL
and IIC_SDA
lines.
YES
NO
YES
In external S input 1/2/3 mode:
Is luminance signal output to IC2201
pin 15?
Is chroma signal output to IC2201
pin 4?
Is S JACK (H) of IC2201 pins 9 and 10 "H" level?
Is F_SJACK(front
AUX3) line of pin 28 of IC501 "L"
level?
NO
Check lines between IC501 pin 30 and IC2201 pins 9
and 10.
Check F_SJACK(front
AUX3) line.
Check circuits and lines between IC2201 pin 15 and
CN3001 pin 1 and between IC2201 pin 4 and CN3001
pin 3.
IC2201 pin 15
→
Q2204
→
CN2202 pin 1
→
CN3001
pin 1 CVBS/Y
signal
IC2201 pin 4
→
CN2202 pin 3
→
CN3001 pin 3 C signal
Is video signal input to each pin of IC3502?
IC3502 pin 23 CVBS/Y
signal
IC3502 pin 8 C signal
NO
Check lines between pins of CN3001 and IC3502 as
well as circuits on lines.
CN3001 pin 1
→
Q3502, 3505, 3501
→
IC3502 pin 23
CVBS/Y
signal
CN3001 pin 3
→
Q3512, 3514, 3516
→
IC3502 pin 8 C
signal
3
YES
NO
Check 1.8V line, 1.8VREG.IC3504 and peripheral circuits.
Check YCDEC_RST
line.
NO
Are D_3.3V (1) and
A_3.3V applied to each pin
of IC3502?
Check D_3.3V (1) and
A_3.3V lines.
Is 1.8V applied to each pin of IC3502?
YES
NO
After power on, is IC3502 pin 34
YCDEC_RST
line at "L" level and changed to "H" level?
YES
NO
Is digital data VDI_656 [0-7] output to each pin
of IC3502?
IC 3502 pins 43,44,45,46,47,50,51, and 52
VDI_656 [0-7]
Check IC3502 and peripheral circuits.
NO
IC7508 pin 236 (Q7506 B)
Y(V
A
Y
)
IC7508 pin 235 (Q7505 B) C(V
AC)
IC7508 pin 62 (Q7501 B) G/Y(V
AG)
IC7508 pin 153 (Q7503 B) B/U(V
AB)
IC7508 pin 61 (Q7502 B) R/V(V
AR)
Check IC7508 and peripheral circuits.
3
YES
NO
CN3001 pin 25 _Y
CN3001 pin 27 _C
CN3001 pin 24 _V
CN3001 pin 20 _G/Y
CN3001 pin 21 _B/U
CN3001 pin 22 _R/V
YES
Refer to Flow chart No.6/No.7 "Playback
images do not appear properly".
Check lines between pins of IC7508 and CN3001 as well as
circuits on lines.
IC7508 pin 235
→
Q7505
→
CN3001 pin 27_C
IC7508 pin 62
→
Q7501
→
CN3001 pin 20_G/Y
IC7508 pin 153
→
Q7503
→
CN3001 pin 21_B/U
IC7508 pin 61
→
Q7502
→
CN3001 pin 22_R/V
NO
Are signals VIDICLK, input to IC7508?
IC7508 pin 144 VIDICLK.
Check VIDICLK.
YES
YES
NO
Is digital data VDI_656 [0-7] input to each pin of
IC7508?
IC7508 pins 49,50,51,143,227,228,229,and
305 VDI_656 [0-7]
YES
Check lines between pins of IC3502 and IC7508 as well as
circuits on lines.
IC 3502 pins 43,44,45,46,47,50,51, and 52
→
IC7508 pins
49,50,51,143,227,228,229,and 305.
FLO
W CHAR
T No.10
V
ideo signal recording is impossible.
Is E-E signal output?
YES
NO
NO
Are drive controls of IC7508 and HDD working
properly?
Refer to Flow chart No.2 "Drive is not working properly
(communication failure with IC7508)" or Flow chart No.3
"HDD is not working properly (communication failure with
IC7508)".
Refer to Flow chart No.9 "Image E-E does not appear".
Refer to Flow chart No.4 "Recording is impossible
(MPEG stream check)".
YES
Is video signal output to each pin of IC7508?
Is video signal output to each pin of CN3001?
22
DV-HR400S/H
DV-HR450S
DV-HR480S/H
Is drive control of IC7508 working properly?
Is HDD control working properly?
FLO
W CHAR
T No.11
Playback sound is not output properly
.
NO
Refer to Flow chart No.2 "Drive is not working properly
(communication failure with IC7508)" or Flow chart No.3
"HDD is not working properly (communication failure with
IC7508)".
YES
NO
Is audio digital signal output to each pin of
IC7508?
IC7508 pin 225
AMCLK1
IC7508 pin 48 EMMA2_ABCLK
IC7508 pin 301 EMMA2_ALRCK
IC7508 pin 47 EMMA2_ADA
T
A
YES
YES
NO
Is 5V applied to IC3009 pin 14?
Check or repair IC3009.
Check A_5V
line.
Is audio signal output to each pin of IC3009?
IC3009 pin 1
1
AUDIO_OUT_L-
IC3009 pin 12
AUDIO_OUT_L+
IC3009 pin 9
AUDIO_OUT_R-
IC3009 pin 10
AUDIO_OUT_R+
YES
NO
YES
Check IC7508 and peripheral circuits.
NO
Is 5V applied to IC6501 pin 8, and -5V applied to pin 4?
Check IC6501 peripheral circuits or replace IC6501.
Check PC_5V (1) line and PC_-5V line.
Is audio signal output to each pin of IC6501?
IC6501 pin 1 OUT1_L
OUT2_L
IC6501 pin 7 OUT1_R OUT2_R
YES
NO
NO
NO
NO
Is audio signal output to each output terminal?
Is audio signal (L) output to
AUDIO OUTPUT(L)
terminal (J2602)?
Is audio signal (R) output to
AUDIO
OUTPUT(R) terminal (J2602)?
Is audio signal (L) output to SCAR
T
L1 terminal
(SC2601)?
Is audio signal (R) output to SCAR
T
L1 terminal
(SC2601)?
Check line from IC6501 pin 1 to
AUDIO OUT
terminal
(J2602).
Check line from IC6501 pin 7 to
AUDIO OUT
terminal
(J2602).
Check line from IC6501 pin 1 to IC2601 pin 2 and line from
IC2601 pin 42 and SCAR
T
L1 (SC2601) terminal.
Check line from IC6501 pin 7 to IC2601 pin 1 and line from
IC2601 pin 43 and SCAR
T
L1 (SC2601) terminal.
NO
YES
NO
Check lines between pins of IC3009 and CN3001.
IC3009 pin 1
1 →
CN3001 pin 12 VOUT_L-
IC3009 pin 12
→
CN3001 pin 1
1
VOUT_L+
IC3009 pin 9
→
CN3001 pin 14 VOUT_R-
IC3009 pin 10
→
CN3001 pin 13 VOUT_R+
Is audio signal output to pins of main unit
connector CN3001?
CN3001 pin 12 VOUT_L-
CN3001 pin 1
1
VOUT_L+
CN3001 pin 14 VOUT_R-
CN3001 pin 13 VOUT_R+
YES
NO
Check lines between pins of CN3001 and IC6501.
CN3001 pin 12
→
CN2202 pin 12
→
IC6501 pin 2 VOUT_L-
CN3001 pin 1
1
→
CN2202 pin1
1
→
IC6501 pin 3 VOUT_L+
CN3001 pin 14
→
CN2202 pin 14
→
IC6501 pin 6 VOUT_R-
CN3001 pin 13
→
CN2202 pin13
→
IC6501 pin 5 VOUT_R+
Is audio digital signal output to each pin of
IC6501?
IC6501 pin 2 VOUT_L-
IC6501 pin 3 VOUT_L+
IC6501 pin 6 VOUT_R-
IC6501 pin 5 VOUT_R+
YES
NO
Check lines between pins of IC7508 and IC3009.
IC7508 pin 225
→
IC3009 pin 1
AMCLK1
IC7508 pin 48
→
IC3009 pin 2 EMMA2_ABCLK
IC7508 pin 301
→
IC3009 pin 4 EMMA2_ALRCK
IC7508 pin 47
→
IC3009 pin 3 EMMA2_ADA
T
A
Is audio digital signal output to each pin of
IC3009?
IC3009 pin 1
AMCLK1
IC3009 pin 2 EMMA2_ABCLK
IC3009 pin 4 EMMA2_ALRCK
IC3009 pin 3 EMMA2_ADA
T
A
YES
NO
Check lines between pins of IC7508 and IC3009.
IC7508 pin 122
→
IC3009 pin 8 CSI_SDOUT
IC7508 pin 287
→
IC3009 pin 7 CSI_SCK
IC7508 pin 1
18
→
IC3009 pin 6 DAC1_L
Is system control signal output to each pin of
IC3009?
IC3009 pin 8 CSI_SDOUT
IC3009 pin 7 CSI_SCK
IC3009 pin 6 DAC1_L
NO
12V
: Check input voltage of IC2691
A
T14V
, pin 3 output,
and line of IC2601 pin 14.
5V
: Check STNDBY
5V line.
Is 12V supplied to IC2601 pin 14 and 5V to pins
24 and 29?
YES
NO
Are IIC SCL
and IIC SDA
input to IC2601 pins
22 and 21?
Check IIC SCL
and IIC SDA
lines between
IC501 pins 18 and 17 and IC2601 pins 22 and
21.
Output to IC2601 pins 42 and 43?
23
DV-HR400S/H
DV-HR450S
DV-HR480S/H
Is audio signal input to IC2601 pins
15, 16, 10, 1
1
, 36, 37, 33 and 34?
FLO
W CHAR
T No.12
Sound E-E is not output.
1
In external input mode
■
Check lines between rear SCAR
T
L1 terminal (SC2601) and IC2601 pins 36/37.
■
Check lines between rear SCAR
T
L2 terminal (SC2602) and IC2601 pins 33/34.
■
Check lines between front audio input terminal (J2702) and IC2601 pins 10/1
1
.
2
In U/V tuner mode
Check these: periphery of U/V tuner (TU1501), line between pin 16 of U/V tuner and
IC1701 pin 2, periphery of IC1701, and lines between IC1701 pins 30/31 and IC2601
pins 15/16.
NO
Is audio signal input to each pin of IC6102?
IC6102 pin 3
AUDIO_L
IN
IC6102 pin 5
AUDIO_R IN
NO
Is audio signal output to each pin of IC2601?
IC2601 pin 39
AUDIO_L
IN
IC2601 pin 40
AUDIO_R IN
Is 12V applied to IC2601 pin 14, and 5V applied to pins
24 and 29?
Check or replace IC2601.
12V
: Check input
A
T14V line to IC2691.
5V
: Check STNDBY
5V line.
NO
YES
YES
YES
NO
Check IIC SCL
and IIC SDA
lines of pins 22 and 21
controlling IC2601.
Check each control signal line.
Check PC_5V (1) line and PC_-5V line.
NO
NO
Check AMCLK0
line.
NO
Check lines between pins of IC2601 and IC6102.
IC2601 pin 39
→
IC6102 pin 3
AUDIO_L
IN
IC2601 pin 40
→
IC6102 pin 5
AUDIO_R IN
Is audio signal output to pins of main unit
connector CN3001?
CN3001 pin 8
AUD_L_ADIN
CN3001 pin 7
AUD_R_ADIN
NO
Check lines between pins of IC6102 and CN3001.
IC6102 pin 1
→
CN2202 pin 8
→
CN3001 pin 8
AUD_L_ADIN
IC6102 pin 7
→
CN2202 pin 7
→
CN3001 pin 7
AUD_R_ADIN
Is audio signal input to each pin of IC3002?
IC3002 pin 13
AUD_L_ADIN
IC3002 pin 3
AUD_R_ADIN
NO
YES
YES
Check lines between pins of CN3001 and IC3002.
CN3001 pin 8
→
IC3002 pin 13
AUD_L_ADIN
CN3001 pin 7
→
IC3002 pin 3
AUD_R_ADIN
4
NO
NO
YES
Refer to Flow chart No.1
1 "Playback sound is not
output properly".
Check or replace IC3005.
YES
YES
Check IC7508 or peripheral circuits.
4
YES
NO
NO
Is audio digital signal output to each pin of IC7508?
IC7508 pin 225
AMCLK1
IC7508 pin 48 _EMMA2_ABCLK
IC7508 pin 301 EMMA2_ALRCK
IC7508 pin 47 EMMA2_ADA
T
A
Is audio digital signal output to each pin of IC7508?
IC7508 pin 141
AD_DOUT
IC7508 pin 302
AD_BCK
IC7508 pin 303AD_LRCK
Is audio digital signal output to each pin of IC3005?
IC3005 pin 9
AD_DOUT
IC3005 pin 12
AD_BCK
IC3005 pin 10
AD_LRCK
Is audio signal input to each pin of IC3005?
IC3005 pin 2
AUD_L_ADIN
IC3005 pin 1
AUD_R_ADIN
ICheck lines between pins of IC3005 and IC7508.
IC3005 pin 9
→
IC7508 pin 141
AD_DOUT
IC3005 pin 12
→
IC7508 pin 302
AD_BCK
IC3005 pin 10
→
IC7508 pin 303
AD_LRCK
YES
Is audio signal output to each pin of IC6102?
IC6102 pin 1 INPUT_L
IC6102 pin 7 INPUT_R
Is 5V applied to IC6102 pin 8, and -5V applied to pin 4?
NO
Is 5V applied to IC3005 pin 6, and 3.3V applied to pin
7?
Is
AMCLK0
signal input to IC3005 pin 1
1
?
Check
A_5V line and D_3.3V (1) line.
YES
YES
YES
YES
NO
Check lines between pins of IC3003 and IC3005.
IC3003 pin 7
→
IC3005 pin 2
AUD_L_ADIN
IC3003 pin 1
→
IC3005 pin 1
AUD_R_ADIN
YES
YES
Is audio signal output to each pin of IC3003?
IC3003 pin 7
AUD_L_ADIN
IC3003 pin 1
AUD_R_ADIN
Is 5V applied to IC3003 pin 8, and -5V applied to pin 4?
Check
A_5V line and PC_-5V line.
NO
YES
NO
Check IC3003 peripheral circuits or replace IC3003.
Is audio signal input to each pin of IC3003?
IC3003 pin 5
AUD_L_ADIN
IC3003 pin 3
AUD_R_ADIN
NO
YES
Check lines between pins of IC3002 and IC3003.
IC3002 pin 14
→
IC3003 pin 5
AUD_L_ADIN
IC3002 pin 4
→
IC3003 pin 3
AUD_R_ADIN
Is audio signal output to each pin of IC3002?
IC3002 pin 14
AUD_L_ADIN
IC3002 pin 4
AUD_R_ADIN
Is 5V applied to IC3002 pin 16, and -5V applied to pin
7?
Check
A_5V line and PC_-5V line.
NO
YES
NO
Check IC3002 peripheral circuits or replace IC3002.
24
DV-HR400S/H
DV-HR450S
DV-HR480S/H
FLOW CHART No.13
Audio signal recording is impossible.
Is E-E signal output?
Refer to Flow chart No.12 "Sound E-E is not output".
YES
YES
Are drive controls of IC7508 and HDD working properly?
Refer to Flow chart No.2 "Drive is not working
properly (communication failure with IC7508)" or
Flow chart No.3 "HDD is not working properly
(communication failure with IC7508)".
Refer to Flow chart No.4 "Recording is impossible (MPEG
stream check)".
NO
NO
Picture/sound input is impossible from DV input terminal.
YES
Is 27MHz clock signal INVCK4 input from
IC3004 pin 6 to IC4004 pin 50?
Check IC3004 and peripheral circuits, and line
between IC3004 pin 6 and IC4004 pin 50.
Picture
Are video data and video clock input from
IC4004 pins to pins of IC7508?
Check IC4004 and peripheral circuits, and lines bet-
ween IC4004 pins and pins of IC7508.
Is APLL-CK input from IC4008 pin 10 to IC4004
pins 103 and 104?
Sound
Check IC4008 and peripheral circuits, and lines
between IC4008 pin 10 and IC4004 pins
103 and 104.
IC4004 pin 40-47
→
IC7508 pin133,134,39,40,
41,42,43,and 218 DV_656[7-0]
IC4004 pin 51
→
IC7508 pin219 DV_DCK
IC4004 pins 40-47
→
IC7508 pins 133,134,39,40,
41,42,43,and 218DV_656 [7-0]
IC4004 pin 51
→
IC7508 pin 219 DV_DCK
Is clock signal input to each pin of IC4007?
Check IC4004, IC4008 and peripheral circuits, lines
between pins of IC4004 and IC4007 and peripheral
circuits on lines.
IC4007 pin 10 DV_ALRCK
Is audio signal output to each pin of IC4007?
IC4007 pin 15 DV_AUD_L
IC4007 pin 16 DV_AUD_R
IC4004 pin 93
→
IC4007 pin 10 DV_ALRCK
IC4007 pin 11 AMCLK0
IC4004 pin 101
→
IC4007 pin 11 AMCLK0
IC4007 pin 12 DV_BCK
IC4004 pin 94
→
IC4007 pin 12 DV_BCK
Is DAC data PCM1 output to IC4004 pin 96?
Check IC4004 and peripheral circuits.
Check line between IC4004 pin 96 and IC4007 pin 9,
IC4007 and peripheral circuits.
FLOW CHART No.14
YES
YES
YES
NO
NO
NO
NO
NO
YES
NO
FLOW CHART No.15
LCD display does not light up.
Is 5V applied to IC8001 pin 37?
Check STANDBY_5V line.
Is RESET signal released on IC8001 pin 36 (5V)?
Check line between IC501 and IC8001 pin 36.
Is 38KHz oscillation signal output on IC8001 pin 41?
Check R8037 C8016, IC8001 and peripheral circuits.
Are the following signals input to each pin of IC8001?
Check lines between pins of IC501 and IC8001.
Check lines between pins of IC8001 and LCD8003
as well as IC8001.
IC8001 pin 44 LCD_DATA
IC501 pin 13
→
IC8001 pin 44 LCD DATA
IC8001 pin 43 LCD_CLK
IC501 pin 11
→
IC8001 pin 43 LCD CLK
IC8001 pin 42 LCD_CS
LCD8003 pin 33 COM1
LCD8003 pin 34 COM2
LCD8003 pin 35 COM3
IC501 pin 12
→
IC8001 pin 42 LCD_CS
Are the following signals input to each pin of LCD8003?
Check display tube and main unit.
Check if display tube is damaged (cracked, etc.).
NO
YES
NO
YES
NO
YES
NO
YES
NO
YES
NO
IC8001 pin 33
→
LCD8003 pin 33 COM1
IC8001 pin 34
→
LCD8003 pin 34 COM2
IC8001 pin 35
→
LCD8003 pin 35 COM3
FLOW CHART No.16
Operation keys do not work.
Is key switch connected properly?
Check or replace key switch.
Is control voltage properly input to IC501 pin 87 and 88?
Check or replace IC501 peripheral circuits.
KE
Y
0
I
N
88pin
KE
Y
1
I
N
87pin
0.
6V
1.
3V
1.
9V
2.
5V
3.
1V
3.
7V
4.
3V
5.
0V
K
E
Y
0
/
K
E
Y
1
I
N
P
U
T
V
O
L
T
A
G
E
YES
NO
YES
YES
POW
OPEN/CLOSE
DVD REC
DVD REC STOP
CH(-)
CH(+)
DVD
DVD PLAY/STOP
HDD
HDD PLAY/STOP
HDD REC
TEST
HDD REC STOP
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