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

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
.
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.
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]
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?
Page of 13
Display

Click on the first or last page to see other DV-HR300H (serv.man8) service manuals if exist.