Read Sharp DV-HR300H (serv.man8) Service Manual online
22
DV-HR300S/HR350S
DV-HR300H
DV-HR300X
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
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