Printed Wiring Board - Panel-Uc Board - Sony TAV-L1 Service Manual

TAV-L1
7-52. PRINTED WIRING BOARD – PANEL-UC Board –
1 2
A
PANEL-UC BOARD (COMPONENT SIDE)
D850
2CH STERE0
A D849
Q848
B E
B K K
FRONT
B E
Q849
SURROUND
PANEL-UC BOARD
(CONDUCTOR SIDE)
C
C844
1 3
+
IC841 C843
R844
FB841
D D853 D852
ET841
(CHASSIS)
TAV-L1
• See page 58 for Circuit Boards Location.
3 4 5
D849 – 851
K
A
D851
NEWS
R860
A K A
B E
R862
Q850
1 2 4
C861
C860
C871
: Uses unleaded solder.
6 7 8
64 33
IC842
1 32
ND841
FLUORESCENT INDICATOR
TUBE
C870
R868
C872
R867
C869
C867
R863
R866
C866
R865
C865
98 98
9 10 11
D847, 848
(RED)
K
A
K
(GRN) A
D845
R851
1B E 2B
C849
Q841
2C
1C
C846
D844 C847
D841
R841
SLEEP
R842
D847 K A
E B K
D848
Q847 K A
PIC OFF K A
K
Q843 POWER
R843
E B B E
Q844
51 53 54
T841
INVERTER
TRANSFORMER
C848
R852 1
D846
R853
9
C850
• Semiconductor Location
Ref. No. Location
D841
D842
D843
D844
D845
D846
D847
D848
D849
D850
D851
D852
D853
D854
D855
12
R872
CN841
1
(Page
R849
66)
IC843
R859
R
R845 4
A 5
A
B E Q845 MAIN
1 3
R846
BOARD
R857
Q846 R856
CN603
C841
R847
21
21
Q842
1-868-991- (21)
C842
C863
R855
C845
C878
21
L842
(21)
1-868-991 -
Ref. No. Location
B-10
B-10 IC841 C-1
B-10 IC842 B-6
B-10 IC843 B-12
A-10
D-10 Q841 B-11
B-10 Q842 B-12
B-11 Q843 B-10
B-2 Q844 B-10
B-3 Q846 B-11
B-4 Q847 B-10
D-2 Q848 B-2
D-1 Q849 B-3
D-5 Q850 B-3
D-5