DOWNLOAD Sharp DV-HR300H (serv.man8) Service Manual ↓ Size: 84.04 KB | Pages: 13 in PDF or view online for FREE

Model
DV-HR300H (serv.man8)
Pages
13
Size
84.04 KB
Type
PDF
Document
Service Manual
Brand
Device
DVD / Trouble shooting
File
dv-hr300h-sm8.pdf
Date

Sharp DV-HR300H (serv.man8) Service Manual ▷ View online

20
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Is drive control of IC7506 working properly?
Is HDD control working properly?
FLOW CHART No.1
1
Playback sound is not output properly
.
NO
Refer to Flow chart No.2 "Drive is not working properly 
(communication failure with IC7506)" or Flow chart No.3 
"HDD is not working properly (communication failure with 
IC7506)".
YES
NO
Is audio digital signal output to each pin of 
IC7506?
IC7506 pin 235 I54_AMCLK
IC7506 pin 217 I54_ABCLK
IC7506 pin 222 I54_ALRCK
IC7506 pin 209 I54_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 10 
AUDIO_OUT_R
YES
NO
YES
Check IC7506 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 (JC2601)?
Is audio signal (R) output to 
AUDIO 
OUTPUT(R) terminal (JC2601)?
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 
(JC2601) and 
AUDIO OUT
 terminal (JC2601).
Check line from IC6501 pin 7 to 
AUDIO OUT
 terminal 
(JC2601) and 
AUDIO OUT
 terminal (JC2601).
Check kine from  IC6501 pin 1 to IC2601 pin 2 and line from 
IC2601 pin 42 and SCAR
T
 L1 (SC2601) terminal.
Check kine 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 1
1
 VOUT_L
IC3009 pin 10
 →
 CN3001 pin 12 VOUT_R
Is audio signal output to pins of main unit 
connector CN3001?
CN3001 pin 1
1
 VOUT_L
CN3001 pin 12 VOUT_R
YES
NO
Check lines between pins of CN3001 and IC6501.
CN3001 pin 1
1
 
 S2202 pin 1
1
 IC6501 pin 3 VOUT_L
CN3001 pin 12 
 S2202 pin12 
 IC6501 pin 5 VOUT_R
Is audio digital signal output to each pin of 
IC6501?
IC6501 pin 3 VOUT_L
IC6501 pin 5 VOUT_R
YES
NO
Check lines between pins of IC7506 and IC3009.
IC7506 pin 235 
 IC3009 pin 1 I54_AMCLK
IC7506 pin 217 
 IC3009 pin 2 I54_ABCLK
IC7506 pin 222 
 IC3009 pin 4 I54_ALRCK
IC7506 pin 209 
 IC3009 pin 3 I54_ADA
T
A
Is audio digital signal output to each pin of 
IC3009?
IC3009 pin 1 I54_AMCLK
IC3009 pin 2 I54_ABCLK
IC3009 pin 4 I54_ALRCK
IC3009 pin 3 I54_ADA
T
A
YES
NO
Check lines between pins of IC7506 and IC3009.
IC7506 pin 263 
 IC3009 pin 8 SPIDAO
IC7506 pin 264 
 IC3009 pin 7 SPICLK
IC7506 pin 268 
 IC3009 pin 6 DAC1_L
Is system control signal output to each pin of 
IC3009?
IC3009 pin 8 SPIDAO
IC3009 pin 7 SPICLK
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?
21
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Is audio signal input to IC2601 pins 
15, 16, 10, 1
1, 36, 37, 33 and 34?
FLOW CHART 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 22 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 EE_AMCLK 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 
 S2202 pin 8 
 CN3001 pin 8 
AUD_L_ADIN
IC6102 pin 7 
 S2202 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 IC7506 or peripheral circuits.
4
YES
NO
NO
Is audio digital signal output to each pin of IC7506?
IC7506 pin 235 154_AMCLK
IC7506 pin 217 154_ABCLK
IC7506 pin 222 154_ALRCK
IC7506 pin 209 154_ADA
T
A
Is audio digital signal output to each pin of IC7506?
IC7506 pin 248 
AD_DOUT
IC7506 pin 221 
AD_BCK
IC7506 pin 230 
AD_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 IC7506.
IC3005 pin 9 
 IC7506 pin 248 
AD_DOUT
IC3005 pin 12 
 IC7506 pin 221 
AD_BCK
IC3005 pin 10 
 IC7506 pin 230 
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 EE_AMCLK 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.
22
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
FLOW CHART No.13
Audio signal recording is impossible.
Is E-E signal output?
Refer to Flow chart No.12 "E-E sound is not output".
  
YES
YES
YES
YES
YES
Are drive controls of IC7506 and HDD working properly?
Refer to Flow chart No.2 "Drive is not working 
properly (communication failure with IC7506)" or 
Flow chart No.3 "HDD is not working properly 
(communication failure with IC7506)".
Are the following signals including data output from 
IC3008?
Are the following signals including data output from 
IC3005 pins to IC3008 pins?
Check lines between pins of 
IC3005 and IC3008.
IC3008 pin 7 AIN_ABCK
IC3008 pin 9 AIN_ALRCK
IC3008 pin 12 AIN_ADAT
Are the following signals including data output from 
IC7304?
Refer to Flow chart No.4 "Recording is impossible (MPEG 
stream check)".
NO
NO
NO
NO
NO
Check IC3008 peripheral circuits or replace IC3008.
IC7304 pin 8 AIN_ABCK
IC7304 pin 7 AIN_ALRCK
IC7304 pin 9 AIN_ADAT
IC3005 pin 12 
 IC3008 pin 5 AD_BCK
IC3005 pin 10 
 IC3008 pin 11 AD_LRCK
IC3005 pin 9 
 IC3008 pin 14 AD_DOUT
Check lines between pins of IC3008 and IC7304.
IC3008 pin 7 
 IC7304 pin 8 AIN_ABCK
IC3008 pin 9 
 IC7304 pin 7 AIN_ALRCK
IC3008 pin 12 
 IC7304 pin 9 AIN_ADAT
Picture/sound input is impossible from DV input terminal.
Is serial communication normal between pins 
of IC4005 and IC7506?
IC4005 pin 149 -> IC7506 152 (DV_TXD)
Check IC4005, IC7506 and peripheral circuits, and 
lines between pins of IC4005 and IC7506.
YES
Is 27MHz clock signal INVCK4 input from 
IC3004 pin 16 to IC4005 pin 50?
Check IC3004 and peripheral circuits, and line 
between IC3004 pin 16 and IC4005 pin 50.
Picture
Are video data and video clock input from 
IC4005 pins to pins of IC3508 and IC3509?
Check IC4005 and peripheral circuits, and lines bet-
ween IC4005 pins and pins of IC3508 and IC3509.
Is AMCLK input from IC4008 pin 3 to IC4005 
pins 103 and 104?
Sound
Check IC4012 and peripheral circuits, and lines 
between IC4012 pin 4, IC4008 and IC4005 pins 
103 and 104.
IC3508 pins 2-9 DV_656 [7-0]
IC3509 pin 2 DV_DCK
Are video data and video clock input to pins of 
IC7506 and IC7304?
IC7506 pins 181-183 and 186-189 
VDI_656 [7-0]
IC7506 pin 184 VIDICLK
IC7304 pins 16-23 VDI_656 [7-0]
IC7304 pin 25 VIDICLK
IC3508 pins 11-18 
 IC7506 pins 181-183 and 
186-189 VDI_656 [7-0]
IC3509 pin 6 
 IC3506 
 IC7506 pin 184 VIDICLK
IC3508 pins 11-18 -> IC7304 pins 16-23 VDI_656 [7-0]
IC3509 pin 6 
 IC3506 
 IC7304 pin 25 VIDICLK
IC4005 pins 40-47 
 IC3508 pins 2-9 
DV_656 [7-0]
IC4005 pin 51 
 IC3509 pin 2 DV_DCK
Is clock signal input to each pin of IC4002?
Check IC4005, IC4008 and peripheral circuits, lines 
between pins of IC4005 and IC4002 and peripheral 
circuits on lines.
IC4002 pin 10 ALRCK
Is audio signal output to each pin of IC4002?
IC4002 pin 15 DV_AUD_L
IC4002 pin 16 DV_AUD_R
IC4005 pin 93 
 IC4002 pin 10 ALRCK
IC4002 pin 11 ADMCLK
IC4005 pin 101 
 IC4008 
 IC4002 pin 11 ADMCLK
IC4002 pin 12 ABCK
IC4005 pin 94 
 IC4002 pin 12 ABCK
Is DAC data PCM1 output to IC4005 pin 96?
Check IC4005 and peripheral circuits.
Check line between IC4005 pin 96 and IC4002 pin 9, 
IC4002 and peripheral circuits.
FLOW CHART No.14
IC4005 pin 150 <- IC7506 156 (DV_RXD)
Check these: IC3508 and peripheral circuits, lines 
between pins of IC3508, IC7506 and IC7304, IC3509, 
line between IC3509 output pin and IC7506, lines 
between pins of IC7304 and peripheral circuits on lines.
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
23
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
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 FIP DATA
IC8001 pin 43 LCD_CLK
IC501 pin 11 
 IC8001 pin 43 FIP CLK
IC8001 pin 42 LCD_CS
LCD8003 pin 33 COM1
LCD8003 pin 34 COM2
LCD8003 pin 35 COM3
IC501 pin 12 
 IC8001 pin 42 FIP_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
PLAY
PLAY
CH(-)
CH(+)
DVD
PLAY STOP
HDD
FF
REC PAUSE
REW
REC
TEST
REC STOP
Replace fuse. If the problem persists, refer to Flow 
chart No.18 "Fuse is blown".
Is primary circuit part leaking or short-circuited?
(L901, D901, T901, IC901, etc.)
Are voltages on AT40V, AT14V, AT4V and AT-8V normal?
Check rectification circuits of secondary side circuit.
Check power failure detection circuit (Q513 and IC506).
Is IC501 pin 1 at "H" level?
Power does not turn on.
Is fuse normal?
Is R903 normal?
Is AT5V line normal?
FLOW CHART 
No.18
Fuse is blown.
Is primary circuit part leaking or short-circuited?
(L901, D901, T901, IC901, etc.)
Check the presence or absence of rectifier diode and 
short circuit in the rectifier of the secondary circuit.
(D9001,9003,9004,9005,9007,9008)
FLOW CHART 
No.19
Power does not switch from "OFF" to "ON".
Is AT5V normal?
Is IC501 pin 94 at "H" level?
Is ST_5V (STNDBY 5V) output?
Is IC501 pin 4 at "H" level?
Is P-CON-H line at "H" level?
Are AT_14V and PC_5V (1) output?
Check IC501 peripheral circuits.
Refer to Flow chart No.17 "Power does not turn on".
Check IC501 peripheral circuits.
Check ST_5V SW circuit.
(Q9061, Q9062, etc.)
Check IC501 peripheral circuits.
Check IC508 peripheral circuits.
Check AT_14V line and PC_5V (1) circuit.
Case 1
Case 2
FLOW CHART No.17
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
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