Yamaha RX-V1800 Service Manual page 104

A B
RX-V1800/HTR-6190/DSP-AX1800
1
POWER (3) P.C.B.
(Side A)
POWER TRANSFORMER
2
RE
WH
RE
BL
BL
3
4
MAIN (4)
(W272)
POWER (3) P.C.B.
(Side B)
5
6
7
104
C D E
POWER (1)
POWER (1)
(W8B)
(W7B)
W7A
W8A
CB21
CB19 CB20
W9
FUNCTION (1)
FUNCTION (2)
(CB407)
(W3004)
MAIN (1)
(W271)
R, L models
U, C, R, T, K, A, B, G, E, L models
F G
IC12 IC10
5 1
5
CB16
CB17
CB23
DSP
DSP
A-VIDEO
(W5301)
(W5302)
(W2001)
U, C, R, T, K, A, B, G, E, L models
H I
IC9
IC6 IC5
1 5 1
D-VIDEO
(CB188)
DVGNDsens
DVG
POWER (1)
+3.3VD
+5VD
+9V
+BDV
+5SDV
DVGReturn
W5A DVGReturn
+BAV
CB18
-BAV
VAGsens
+6SDSP
DGReturn
POWER (5)
(W5B)
FUNCTION (1)
(CB409)
J
(W3B)
• Semiconductor Location
Ref no. Location Ref no. Location
D19 B3 Q19 E6
D20 C3 Q20 D2
D21 C7 Q21 E2
D29 G6 Q22 E2
D30 C7 Q23 E6
D36 D6 Q24 G7
D37 D6 Q25 G7
D38 E6 Q26 D7
D43 D6 Q27 D7
IC5 H2 Q28 D7
IC6 G2 Q29 C7
IC9 H2 Q30 D7
IC10 G2 Q31 C7
IC12 E2 Q32 D7
Q4 D7 Q33 D7
Q9 H6 Q34 D7
Q10 H2 Q35 D7
Q11 G6 Q36 D7
Q12 H6 Q37 D7
Q13 G6 Q38 D7
Q14 G2 Q39 D7
Q15 G6 Q40 D7
Q16 G2 Q41 G7
Q17 D6 Q44 F6
Q18 E6