Yamaha HTR-6280, Service Manual, Page: 114 / 166

ABCD
E
F
G
H
I
J
1 2 3 4 5 6 7
11
4
RX-V1
065/HTR-6280/AX-V1
065
VIDEO (2) P
.C.B.
(Side A)
1 7
3
KR
A
4
VIDEO (3) P
.C.B.
(Side A)
DIGI
T
AL
(CB7)
DIGI
T
AL
(CB24)
U
, C
,
T
, K,
A, B
, G, E, F
, J models
U
, C
, R,
T
, K,
A, B
, G, E, F
, L models
AC_PWR
DGND
+5.5V
+5.5V
GND
GND
5.5V
5.5V
GND
GND
DEST
PRY
/RESET
ACPWR_DET
DGND
+3.3M
PRY_IN
AC_PWR
DGND
+5.5V
+5.5V
GND
GND
PRY_IN
VIDEO (7)
(W370
1B)(W3702B)
J model
OPERA
TION (1
1)
(W4302A)(W4302B)
R, L models
MAIN (4)
(W1
26A)(W1
26B)
BE WH
A
C
IN
5 k-ohms
10
W
• Semiconduct
or Location
注意）
安全対策
・
この製品の内部には高電圧部分があり危険です。修理の際は、絶縁性の手袋を使用するなどの安全対策を行ってください。
・
下記箇所には電源を
OFF
にした後も電荷が残り、
高電圧が維持されており危険です。修理作業前に放電用抵抗
（5 kΩ/10 W）
を下記箇所の端子間に接続して放電してください。放電所用時間は約
30
秒間です。
VIDEO（2）P
.C.B.
の
C3703
Not
es)
Saf
ety measur
es
•
Some inter
nal par
ts in this pr
oduct contain high voltages and ar
e danger
ous. Be sur
e to take safety measur
es during servicing
, such
as wearing insulating gloves.
•
Note that positions indicated below ar
e danger
ous even after the power is tur
ned of
f because an electric charge r
emains and a
high
voltage continues to exist ther
e. Befor
e star
ting any r
epair work, per
for
m discharge by connecting a discharge r
esistor (5k-ohm
s/10W)
between ter
minals at following positions. The time r
equir
ed for discharging is about 30 seconds.
C3703 on VIDEO (2) P
.C.B.
R
ef No
.
Location
D370
1
D
3
D3703
D3
D3705
D3
D3706
E4
D3707
C4
R
ef No
.
Location
D3709
D4
D371
0
E
4
IC371
E3
IC372
E4
R
ef No
.
Location
IC37
4
E
5
IC375
C5
Q380
1
I4
Q3802
I4