2 - 3
2 - 3
REPAIR INSTRUCTIONS-part one
MAIN UNIT REPAIR CHART
A
B
D
F
G
All Functions
are not working
All Functions
are not working
All Functions
are not sound
All Functions
are not sound
Tuner Function
is not sound
Tuner Function
is not sound
I
DISC Function
is not sound
DISC Function
is not sound
USB
is not function
USB
is not function
C
AUX1 In
is not sound
AUX1 In
is not sound
AUX2 In
is not sound
AUX2 In
is not sound
E
MP3 In
is not sound
MP3 In
is not sound
H
USB Wire lines
are not function
USB Wire lines
are not function
J
Al l Vo ltage
No Output
Check F901
Bad Ca use Damage
Check BK 3V 3 5V
Work ing or Not
No
YE S
No
V CC Vo ltage
No Output
Check Re pair IC 901 IC 903
Q909 IC 904 IC 906 And Its
-27V Vo ltage
12V Vo ltage
No Output
5V Vo ltage
No Output
Check Q912 Q913 IC 905
And Its Conjoint Part
Check D919 Q907
And Its Conjoint Part
Check D923 Q901
And Its Conjoint Part
Check D922 Q906
And Its Conjoint Part
No
BK 3V 3 Vo ltage
No Output
Check R978 IC 906
And Its Conjoint Part
CO NN CI RC UI T
Work ing or Not
No
YE S
J
Power Supply
is not working
Power Supply
is not working
A
Check a ll system all cable
is loose or bad IN T
RE-i nsert and fix
the cable
Panel standby LED
whether light
Check power boar d
BK 3V3 out
Check MA IN PC B Q106
and their conjoi nt part .
YE S
NO
NO
YE S
B
Ch eck MAIN PC B CN 1007
whether at PI N1-7 +31V
and at R 5165 +12V .
Check SW power and
conjoint part
Ch eck MAIN PC B IC5006
PI N9.15.36.54
whether at +3.3 V
Ch eck MAIN PC B IC5001
IC5004 and their conjoint
part whether OK
Check MA IN PC B IC 5001
IC5004and thei r conjoi nt
part whether OK
Ch eck MAIN PC B IC501
pin12.24.37/pin16.28.42
3.3V /1.8V whether OK
Ch eck MAIN PC B
L 502/L 501 Wh ether OK.
Ch eck MAIN PC BQ 1007
and their conjoint part
whether OK
NO
NO
YE S
YE S
YE S
NO
NO
C
Ch eck signal source
Wh ether output OK
Ch eck MA IN PC B IC 304 Pi n
9/10 whether input ok .
Ch eck MAIN PC B
R 365/R 364 and their
conjoint part Wh ether OK.
Ch eck signal source an d
their conjoint part whether
OK.
YE S
NO
NO
D
Ch eck signal source
Wh ether output OK
Ch eck MA IN PC B IC 304 Pi n
7/8 whether input ok .
Ch eck MAIN PC B
R 308/R 309 and their
conjoint part Wh ether OK.
Ch eck signal source an d
their conjoint part whether
OK.
YE S
NO
NO
I
Check USB cabl e and
RB 15 Wh ether OK
RE-i nsert RB15 and fi x
the cable
NO
H
Check USBW ire Li nes
cabl e and RB301
Wh ether OK
RE-i nsert RB301 and fi x
the cable
NO
G
Ch eck MAIN PC B CN 1006
cable and their conjoint
part whether OK.
Ch eck MAIN PC B IC501
and their conjoint part
whether OK.
YE S
F
Ch eck MAIN PC B
TU101P in7/8 output
whether OK.
Ch eck MAIN PC B TU301
PI N5whether is 5V and
their conjoint part whether
OK.
Ch eck MAIN PC B IC304
Pi n23/24 whether IN OK.
Ch eck MA IN PC B IC 304
Pin 23/24 their conjoint part
whether OK.
YE S
NO
NO
E
Ch eck signal source
Wh ether output OK
Ch eck MA IN PC B IC 304 Pi n
26/27 whether input ok .
Ch eck MAIN PC B
R 345/R 346 and their
conjoint part Wh ether OK.
Ch eck signal source an d
their conjoint part whether
OK.
YE S
NO
NO
Содержание HTS7201/12
Страница 15: ...4 1 4 1 BLOCK DIAGRAM ...
Страница 16: ...4 2 4 2 WIRING DIAGRAM V1 V2 V3 V4 V5 V6 V7 V1 V8 ˣˢ ʳ ˢ ʳ V9 ʳ ˢ ʳ ...
Страница 19: ...5 5 1 TV HDMI 2 HOME THEATER 3 HOME THEATER 3 1 2 1 2 1 2 3 ...
Страница 20: ...5 5 3 DOCK for iPod 1 2 TV TV HOME THEATER 1 2 ...
Страница 31: ...8 3 8 3 Waveforms for measure point qjo4 qjo3 ...
Страница 33: ...9 1 9 1 TOUCH BOARD TABLE OF CONTENTS Circuit Diagram 9 2 PCB Layout Top Bottom View 9 3 ...
Страница 40: ...12 1 REVISION LIST Version 1 0 Initial release ...