Printed Circuit Boards - Yamaha MCR-730 Service Manual

A B
DRX-730/NX-E700

■ PRINTED CIRCUIT BOARDS

1
MAIN (1) P.C.B.
(Side A)
• Semiconductor Location
Ref no. Location Ref no. Location
D1 E5 D31 I4
D3 D4 D32 I4
D4 D4 D33 F2
2 D5 F2 D34 F2
D7 E5 D36 G3
D9 F6 IC1 I3
D10 F6 IC2 H4
D12 D3 IC3 H5
D13 D3 IC4 G4
D14 D3 IC5 E6
SUB (2)
D15 D3 IC6 G6
(CB806)
D16 H3 IC7 E3
D18 G2 IC8 G3
D22 D3 IC9 F6
3
D23 D3 IC11 E3
D24 D2 IC13 D4
D25 D2 IC14 I2
TIMER_LED
HDMI_LED
D26 D3 IC16 H5
PROGRESSIVE
D27 E5 IC17 E2
D29 C2 IC20 E2
D30 F3 IC21 H3
Ref no. Location Ref no. Location Ref no. Location
IC26 H5 Q21 F3 Q46 H2
4
IC27 D2 Q23 F2 Q47 D3
IC28 I5 Q24 G2 Q48 D3
IC29 E2 Q28 F2 Q49 C4
Q1 G4 Q29 F2 Q50 I5
Q3 I3 Q31 F2 Q51 I5
Q4 I3 Q32 F2 Q53 I4
Q8 I6 Q36 F2
Q9 H3 Q37 F2
Q10 G4 Q38 E4
Q12 H3 Q39 H2
5
Q13 I6 Q40 D4
Q15 I5 Q41 H2
Q16 I5 Q42 H3
Q18 I6 Q43 D4
Q19 I5 Q44 H3
Q20 F3 Q45 H3
MAIN (2) P.C.B.
(Side A)
G, F models
6
CB22
CB1
7
AV MONITOR OUT
(SCART)
46
C D
POINT A XL2 (Pin 11 of IC11) POINT B XL3 (Pin 13 of IC11)
SUB (1)
(W503) OUT
COM
IC27
IN
+12_RES
+5SUB
PWR_RY
+12_RES
1
1
100
C
2
KEY0
IREA
FLCE
IREB
FLCK
REM
FLDT 81
VREA
80
FILAMENT
VREB
+12FL
/ICFL
VP
+5FL
FLG
+5M
STBY
CGND
HPDET
PORTABLE_L
AGND2
PORTABLE_R
AGND2
HPL
AGND1
HPR
AGND1
+15DD
+15DD
MGND
DGND
FLG
VP
+7I
IGND
SUB (1)
1 3
(W502)
6 4
+5USB
+5USB
USBD-
USBG
USBD+
USBG
SUB (2)
(CB801)
MAIN (1)
(CB23)
POINT C 1 / Q48, 2 / Q47
Q48 (E) 1
Q47 (C) 2
AC cable ON AC cable OFF
E F
7 8
1 14
1 4
4 5
3 1
8 5
IC29
30
31
1
IC8
A B
8
IC11
51 50
11 20
IC7
10 1
1
IC4
16
CB11
OUT
IC5
COM
IN
IC9
G, F models
Q48 (E) 1
Q47 (C) 2
AC cable ON
G H
DVD MODULE
(CN968)
-20D
-20D
AGND
AGND
+20D
+20D
PAGND
PGND
VGND
SUB (1)
(W501)
24 13
IC14
1 12
4
5
4 5
8 1
8
1
5 4
28 1
15 14
8
9
CB9
16 1
8
9
IC26
5 8
4 1
5 1
3 2
IC16
CB4
TVOUTR
AGND
TVOUTL
AGND
VGND
B
VGND
G
VGND
R
VGND
VOUT
FUNC_SW
DVD MODULE
BLANKING
(CN962)
MAIN (2)
TUNER
G, F models
I J
U, C, T, K, A, L, V models
9 16
IC28
8 1
CB7
G, F models
DVD MODULE
(CN967)
(CB22)