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

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
24
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
ROM jumper setting for Micon RH-iX841WJZZQ
Jumper Name
Jumper #
HR300H
HR300S/
HR300X
HR350S
Colour 0
JP00:
0
1
1
Colour 1
JP01:
0
0
0
VPS/PDC
JP02:
1
1
1
OLD AV SWITCH
JP03:
0
0
0
Low Power
JP04:
1
1
1
HIGH SPEED
JP05:
0
0
0
System 0
JP06:
0
0
0
System 1
JP07:
0
0
0
Tuner 0
JP08:
1
0
1
Tuner 1
JP09:
1
0
0
Tuner 2
JP10:
0
0
0
RF_Out_Setting_off
JP11:
1
1
1
DUAL SCART
JP12:
1
1
1
Front_AV
JP13:
1
1
1
LP
JP14:
1
1
0
EP
JP15:
0
0
0
G-CODE 0
JP16:
1
1
0
G-CODE 1
JP17:
1
0
1
NICAM
JP18:
1
1
1
IGR
JP19:
1
1
1
SURROUND
JP20:
0
0
0
DECODER
JP21:
1
1
1
SORT (A_CLOCK)
JP22:
1
1
1
HiFi
JP23:
1
1
0
AV_LINK/16:9
JP24:
1
1
0
SAT_CTL
JP25:
0
0
0
POST_CODE
JP26:
1
0
0
DNR
JP27:
0
0
0
R/C 1-2
JP28:
1
1
1
POSI84
JP29:
1
1
1
SAT_BUILT_IN
JP30:
1
1
1
GAMMA
JP31:
0
0
0
HEAD 0
JP32:
1
1
0
HEAD 1
JP33:
1
1
0
HEAD 2
JP34:
1
1
0
NTSC SKEW
JP35:
1
1
0
NTSC_PB
JP36:
1
1
0
SQPB
JP37:
1
1
0
Slow_Atr_Off
JP38:
1
1
0
AUDIO_INSERT
JP39:
1
1
0
Total Hex
28DEF7AEFF
A81EB78EFF
A89C760E00
25
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
- M E M O -
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