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
PREV: Sharp DV-HR300H (serv.man7) Service Manual

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

16
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Is video signal output to pins of main unit 
connector CN3001?
CN3001 pin 23 154_Y
CN3001 pin 19 154_B/U
CN3001 pin 20 154_R/V
FLOW CHART No.7
Playback images do not appear properly (from 
Y/C
B
/C
R
 output).
NO
Refer to Flow chart No.5 "Playback video signal is not output 
from main PWB".
YES
NO
Is video signal input to pins of sub unit IC2802 
and 2801?
IC2802 pin 2 OSD_Y_IN
IC2801 pin 1 OSD_P
B
_IN
IC2801 pin 14 OSD_P
R
_IN
YES
YES
Is 5V applied to IC2802 pin 7?
Is 5V applied to IC2801 pin 13?
Is video signal input to pins of IC2802 and 
2801?
IC2802
pin 8 OSD_Y
IC2801
pin 3
IC2801
pin 5
pin 6
YES
NO
NO
NO
Check lines between pins of IC2802 and 2801 and pins of 
IC2502.
IC2801 pin 8 
→
 IC2502 pin 8 OSD COM_Y
IC2801 pin 1 
→
 IC2502 pin 1
1
 OSD_P
B
IC2801 pin 14 
→
 IC2502 pin 16 OSD_P
R
Is video signal input to each pin of IC2502?
IC2502 pin 8 OSD COM_Y
IC2502 pin 1
1
 OSD_P
B
IC2502 pin 16 OSD_P
R
NO
Check or replace 
IC2801.
YES
YES
Check or replace 
IC2801.
Check PC_5V (1) line.
Check PC_5V (1) line.
NO
Is voltage of 5V supplied to IC2801 pin 13?
Is each video signal output to each pin of 
IC2803?
IC2803
pin 3 OSD P
B
pin 5 OSD P
R
pin 6 OSD COM 
Y
YES
NO
Check or replace 
IC2801.
YES
Check PC_5V (1) line.
NO
Check circuits and lines between pins of main unit connector 
CN3001 and input pins of IC2802/2801.
CN3001 pin 23 
→
 S2202 pin 23 
→
 Q2502, 2504, 2507 
→
 
                                                              IC2802 pin 2 OSD_Y_IN
CN3001 pin 19 
→
 S2202 pin 19 
→
 Q2512, 2515 
→
 
                                                          IC2801 pin 1 OSD_ P
B
 _IN
CN3001 pin 20 
→
 S2202 pin 20 
→
 Q2513, 2516 
→
 
                                                        IC2801 pin 14 OSD_ P
R
 _IN
  
YES
NO
Is 5V applied to IC2502 pin 13?
Is IC2502 pin 12 PROGRE (H) line at "L" level?
STNDBY_5V line.
Is video signal input to each pin of IC2502?
IC2502 pin 6
IC2502 pin 5
IC2502 pin 3
YES
NO
YES
Check or replace 
IC2502.
YES
Check PROGRE (H) line.
NO
NO
Check lines between pins of IC2502 and IC2503.
IC2502 pin 6 
→
 IC2503 pin 9
IC2502 pin 5 
→
 IC2503 pin 14
IC2502 pin 3 
→
 IC2503 pin 1
Is video signal input to each pin of IC2503?
IC2503 pin 9
IC2503 pin 14
IC2503 pin 1
YES
NO
Is 5V applied to IC2503 pin 13?
Is IC2503 pin 12 (DVD (H) line) at "H" level?
Check PC_5V (1) line.
Is video signal output to each pin of IC2503?
IC2503 pin 6 COM_Y
IC2503 pin 5 C
B
IC2503 pin 3 C
R
NO
YES
Check or replace 
IC2503.
YES
Check DVD (H) line.
NO
1
1
YES
Check line from IC2501 pin 20 to component 
Y
 terminal (J2601)
and component terminal (J2601).
Check line from IC2501 pin 18 to component CB terminal (J2601)
and component terminal (J2601).
Check line from IC2501 pin 16 to component CR terminal (J2601)
and component terminal (J2601).
NO
NO
NO
Is each video signal output to each output 
terminal?
Is 
Y
 signal output to component terminal 
(J2601)?
Is C
B
 signal output to component terminal 
(J2601)?
Is C
R
 signal output to component terminal 
(J2601)?
YES
Check Q2522.
Check 
T_V_MUTE and RGB CTL
 line.
NO
NO
Check line from each pin of IC2503 to each pin of IC2501.
IC2503 pin 6 
→
 IC2501 pin 10 COM_Y
IC2503 pin 5 
→
 IC2502 pin 12 C
B
IC2503 pin 3 
→
 IC2502 pin 14 C
R
Is each video signal input to each pin of 
IC2501?
IC2501 pin 10 COM_Y
IC2502 pin 12 C
B
IC2502 pin 14 C
R
YES
NO
Is voltage of 5V supplied to IC2501 pins 1 and 28?
Is IC2501 pin 13 "H" level?
Check PC_5V (1) line.
Is each video signal output to to each pin of 
IC2501?
IC2501 pin 20 COMPO_Y
IC2501 pin 18 C
B
_OUT
IC2501 pin 16 C
R
_OUT
NO
YES
Check or replace 
IC2501.
YES
Is 
T_V_MUTE line "L" level? 
Is RGB CTL
 line "L" level?
NO
17
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Is video signal output to pins of main unit 
connector CN3001?
CN3001 pin 23 154_Y
CN3001 pin 19 154_B/U
CN3001 pin 20 154_R/V
FLOW CHART No.8
Playback images do not appear properly (from 
Y/C
B
/C
R
 output).
NO
Refer to Flow chart No.5 "Playback video signal is not output 
from main PWB".
YES
NO
Is video signal input to pins of sub unit IC2802 
and 2801?
IC2802 pin 2 OSD_Y_IN
IC2801 pin 1 OSD_PB_IN
IC2801 pin 14 OSD_PR_IN
YES
YES
Is 5V applied to IC2802 pin 7?
Is 5V applied to IC2801 pin 13?
Is video signal input to pins of IC2802 and 
2801?
IC2802
pin 8 OSD_Y
IC2801
pin 3
IC2801
pin 5
pin 6
YES
NO
NO
NO
Check lines between pins of IC2802, IC2801 and 2803 and 
pins of IC2502.
IC2801 pin 8 
→
 IC2502 pin 8 OSD COM_Y
IC2801 pin 1 
→
 IC2502 pin 1
1
 OSD_P
B
IC2801 pin 14 
→
 IC2502 pin 16 OSD_P
R
Is video signal input to each pin of IC2502?
IC2502 pin 8 OSD COM_Y
IC2502 pin 1
1
 OSD_P
B
IC2502 pin 16 OSD_P
R
NO
Check or replace 
IC2801.
YES
YES
Check or replace 
IC2801.
Check PC_5V (1) line.
Check PC_5V (1) line.
NO
Is voltage of 5V supplied to IC2801 pin 13?
Is each video signal output to each pin of 
IC2803?
IC2803
pin 3 OSD P
B
pin 5 OSD P
R
pin 6 OSD COM 
Y
YES
NO
Check or replace 
IC2801.
YES
Check PC_5V (1) line.
NO
Check circuits and lines between pins of main unit connector 
CN3001 and input pins of IC2802/2801.
CN3001 pin 23 
→
 S2202 pin 23 
→
 Q2502, 2504, 2507 
→
 
                                                              IC2802 pin 2 OSD_Y_IN
CN3001 pin 19 
→
 S2202 pin 19 
→
 Q2512, 2515 
→
 
                                                          IC2801 pin 1 OSD_ P
B
 _IN
CN3001 pin 20 
→
 S2202 pin 20 
→
 Q2513, 2516 
→
 
                                                        IC2801 pin 14 OSD_ P
R
 _IN
  
YES
NO
Is 5V applied to IC2502 pin 13?
Is IC2502 pin 12 PROGRE (H) line at "L" level?
STNDBY_5V line.
Is video signal input to each pin of IC2502?
IC2502 pin 6
IC2502 pin 5
IC2502 pin 3
YES
NO
YES
Check or replace 
IC2502.
YES
Check PROGRE (H) line.
NO
NO
Check lines between pins of IC2502 and IC2503.
IC2502 pin 6 
→
 IC2503 pin 9
IC2502 pin 5 
→
 IC2503 pin 14
IC2502 pin 3 
→
 IC2503 pin 1
Is video signal input to each pin of IC2503?
IC2503 pin 9
IC2503 pin 14
IC2503 pin 1
YES
NO
Is 5V applied to IC2503 pin 13?
Is IC2503 pin 12 (DVD (H) line) at "H" level?
Check PC_5V (1) line.
Is video signal output to each pin of IC2503?
IC2503 pin 6 COM_Y
IC2503 pin 5 C
B
IC2502 pin 3 C
R
NO
YES
Check or replace 
IC2503.
YES
Check DVD (H) line.
NO
2
2
YES
Check line from IC2505 pin 15 to IC2681 pin 6.
Check IC2681 pin 2 output.
Check line from IC2505 pin 12 to SCAR
T
 L1 terminal (SC2601)
and SCAR
T
 L1 terminal (SC2601).
Check line from IC2505 pin 10 to SCAR
T
 L1 terminal (SC2601)
and SCAR
T
 L1 terminal (SC2601).
NO
NO
NO
Is each video signal output to SCAR
T
 L1 output 
terminal?
Is R OUT
 signal output to SCAR
T
 L1 output 
terminal?
Is G OUT
 signal output to SCAR
T
 L1 output 
terminal?
Is B OUT
 signal output to SCAR
T
 L1 output 
terminal?
YES
Check Q2510.
Check T_V_MUTE 
line.
NO
NO
Check line from each pin of IC2503 to each pin of IC2505.
IC2503 pin 6 
→
 IC2505 pin 4 COM_Y
IC2503 pin 5 
→
 IC2505 pin 6 CB
IC2503 pin 3 
→
 IC2505 pin 2 CR
Is each video signal input to each pin of 
IC2505?
IC2505 pin 4 COM_Y
IC2505 pin 6 C
B
IC2505 pin 2 C
R
YES
NO
Is voltage of 5V supplied to IC2505 pins 1, 5, 14 and 16?
Is IC2505 pin 3 "H" level?
STNDBY_5V line.
Is each video signal output to to each pin of 
IC2505?
IC2505 pin 15 R_OUT
IC2505 pin 12 G_OUT
IC2505 pin 10 B_OUT
NO
YES
Check or replace 
IC2505.
YES
Is 
T_V_MUTE line "L" level?
NO
NO
Check S OUT
 (H)
line.
Check or replace IC2681.
YES
Is voltage of 5V supplied to IC2681 pin 3?
YES
Check  STNDBY
 
5V line.
NO
Is IC2681 pin 1  "L" level?
YES
18
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
Is video signal input to IC2601 pins 
18, 13, 23 and 28?
Is luminance signal input to IC2251 
pin 1? Is video signal input to 
IC2251 pin 2?
Is chroma signal input to IC2251 
pins 3 and 5?
FLOW CHART 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 IC2251 pin 1.
■ 
Check line between front S C input 3 terminal (J2701) and IC2251pin 3.
3
 In U/V tuner mode
Check line between pin 24 of U/V tuner (TU1501) and IC2601 pin 18.
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 IC2251 
pin 15?
Is chroma signal output to IC2251 
pin 4?
Is S JACK (H) of IC2251 pins 9 and 10 "H" level? 
Is F_SJACK(front 
AUX3) line of pin 28 "L" level?
NO
Check lien between IC501 pin 30 and IC2251 pins 9 
and 10.
Check F_SJACK(front 
AUX3) line.
Check circuits and lines between IC2251 pin 15 and CN3001 
pin 1 and between IC2251 pin 4 and CN3001 pin 3.
IC2251 pin 15 
→
 Q2254 
→
 S2202 pin 1 
→
 CN3001 pin 1 
CVBS/Y
 signal
IC2251 pin 4 
→
 S2202 pin 3 
→
 CN3001 pin 3 C signal
Is video signal input to each pin of IC3502?
IC3502 pin 135 CVBS/Y
 signal
IC3502 pin 149 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 135 
CVBS/Y
 signal
CN3001 pin 3 
→
 Q3504, 3507, 3503 
→
 IC3502 pin 149 C 
signal
3
YES
NO
Check 1.5V line, 1.5VREG.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 1.5V applied to each pin of IC3502?
YES
NO
After power on, is IC3502 pin 84 
YCDEC_RST
 
line at "L" level and changed to "H" level?
YES
NO
Is 3.3V applied to each pin of IC3503?
Check D_3.3V (1) line.
YES
NO
NO
Is clock signal SDRCLK input to IC3503 pin 35?
Is digital data 
YC_656 [2-9] output to each pin of 
IC3502?
IC 3502 pins 56, 58, 59, 61, 62, 64, 65 and 67
YC_656 [2-9]
Check SDRCLK line between IC3502 pin 17 and IC3503 pin 35.
Check IC3502 and peripheral circuits.
YES
NO
Is video signal output to each pin of IC7506?
IC7506 pin 218 (R7743) 
Y
 (Q7506 pin 5 B)
IC7506 pin 214 (R7744) C (Q7505 pin 5 B)
IC7506 pin 245 (R7724) CB (B_U) (Q7503 B)
IC7506 pin 224 (R7737) CR (R_V) (Q7502 B)
Check IC7506 and peripheral circuits.
3
YES
NO
Is video signal output to each pin of CN3001?
CN3001 pin 23 I54_Y
CN3001 pin 25 I54_C
CN3001 pin 19 CB (I54_B/U)
CN3001 pin 20 CR (I54_R/V)
YES
Refer to Flow chart No.6/No.7 "Playback images do 
not appear properly".
Check lines between pins of IC7506 and CN3001 as well as circuits 
on lines.
IC7506 pin 218 (R7743) 
→
 Q7506 
→
 Q7509 
→
 IC7512 
→
Q7510 
→
 CN3001 pin 23 154_Y
IC7506 pin 214(R7744) 
→
 Q7505 
→
 CN3001 pin 25 I54_C
IC7506 pin 245 (R7724) 
→
 Q7503 
→
 CN3001 pin 19 I54_B/U
IC7506 pin 224 (R7737) 
→
 Q7502 
→
 CN3001 pin 20 I54_R/V
NO
Are signals VIDICLK, VIDIHD and VIDIVD input to 
each pin of IC7506?
IC7506 pin 184 VIDICLK, pin 177 154_VIDIHD, pin 
178 154_VIDIVD
Check VIDICLK, VIDIHD and VIDIVD lines.
YES
YES
NO
Is digital data VDI_656 [0-7] input to each pin of 
IC7506?
IC7506 pins 194, 186, 187, 188, 189, 181, 182 and 
183 VDI_656 [0-7]
YES
Check lines between pins of IC3502 and IC7506 as well as circuits 
on lines.
IC 3502 pins 56, 58, 59, 61, 62, 64, 65 and 67 
→
 IC3507 
→
 IC7506 
pins 194, 186, 187, 188, 189, 181, 182 and 183
19
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
FLOW CHART No.10
V
ideo signal recording is impossible.
Is E-E signal output?
YES
NO
NO
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)".
YES
NO
Is digital data input to each pin of IC7304?
IC7304 pins 16-23 VDI_656 [0-7]
YES
NO
Is 81MHz clock signal MMCLK output to IC7304 pin 
118?
Check IC7304 and peripheral circuits.
YES
NO
Is 81MHz clock signal MMCLK output to pin 38 of 
IC7306 and 7307?
Refer to Flow chart No.4 "Recording is impossible 
(MPEG stream check)".
Check MMCLK lines between IC7304 pin 1
18 and pin 38 of 
IC7306 and 7307.
YES
Refer to Flow chart No.9 "Image E-E does not appear".
Check digital data lines between pins of IC3507 and IC7304.
IC3507 pins 1
1-18 
→
 IC7304 pins 16-23 VDI_656 [0-7]
Page of 13
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  • Here you can View online or download the Service Manual for the Sharp DV-HR300H (serv.man8) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp DV-HR300H (serv.man8) DVD. Information contained in Sharp DV-HR300H (serv.man8) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.

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