Printed Circuit Boards - Yamaha CRX-140 Service Manual

A B
CRX-040/CRX-140/NS-BP80

■ PRINTED CIRCUIT BOARDS

1
MAIN (1) P.C.B.
(Side A)
2
No replacement part available.
サービス部品供給なし
3
4
A
POINT C XL253 (Pin 11 of IC267)
SUB (2)
5
6
POINT C XL253 (Pin 11 of IC267)
7
56
C D
IC267 1
(+3.3M)
FM TUNER
U, T, K, G, L, V, J models
IC267 2
NC
COMP
(nSYS_RST)
+10T
TUN_TUNED
TUN_N_ST
TUN_MUT
TUL
TU_AGND
TUR
TUN_MISO
TUN_SCK
TUN_MOSI
TUN_N_CS
5 8
IC264
1
1
8
4
37 48
36 1
25 12
24 13
1 4
IC259
8 5
IN
COM
OUT
CRX-040 ACAMPVCCN
ACAMPVCCN
ACAMPVCCL
ACAMPVCCL
AC+16VN
4 5
AC+16VL
(W1) IC280
3 1
+6S
DGND
AC_IN
PRY_CTRL
1 4
8 5
IPAP_DET/AW_ON CRX-040
IC107
IPD_ACC_EN/AW_SCLK
IPD_MOSI
IPD_MISO
nIPD_DET
CRX-140
DGND
IGND
IGND
+5I
+5I
CRX-040
MAIN (3)
(CB702)
CONNECTOR (1)
(CB603)
CRX-140
+6S
AW_REGON
AC-28VN
DGND
AC-28VL
DGND
nAW_CS AC+10IN
AW_LINK
AC+10IL
AW_TXRXSEL
AW_MODE
CRX-140
nAW_INT
SUB (2)
AW_RST
nAW_RST (W2)
2 1
D
CONNECTOR (1)
(CB602)
U, T, K, G, L, V, J models
CRX-140
E F
POINT D 1 / IC267 (99 pin, +3.3M), 2 / IC267 (12 pin, nSYS_RST)
IC267 1
(+3.3M)
IC267
2
(nSYS_RST)
POWER ON POWER OFF
G model U, T, K, G, L, V, J models CRX-140
4
IC272
5
15 28
IC256
14 1
5 8
IC271
1
4
W251
8 9
CB252
IC102
4
3
5
1 16
1
1 5
20
6
IC260
16 15 11 10
4 5
3 1
31 50
30 51
5 4
W501
1 3
1
80
81
100
5 8
6 7
4 1
IC501
1 12
IC268
C
W256
B
No replacement part available.
サービス部品供給なし
SUB (1) CRX-040
(CB801)
U, A, B, G, J models
G H
Circuit No.
C277, C283
R264
R423
C275, C285
CB252
L251
L254, L255
R268, R272
X : NOT USED
O : USED/APPLICABLE
POWER ON
1
8
W254
5
4
1 16
64 17
F
SUB (1)
(CB802)
IC504
49 32
48 33
CONNECTOR (1)
(CB604)
CRX-140
97 128
96 1
E
DVD_LD
HFM
CD_LD
CD_VR
65 32
E
64 33
4 5
Vc
F
3 1
26 50 A
MSW
IC505 C
T+
F-
25 1
Loader mechanism unit
CB502
STBY
INV
FIN
STBY OUT
INV VCC
Loader mechanism unit
FIN
OUT
VCC
Loader mechanism unit
I J
U, T, K, G, L, V, J A, B
O X
O X
O X
X O
X O
X O
X O
X O
MAIN (2)
(CB901)
• Semiconductor Location
Ref no. Location Ref no. Location
D101 G6 IC257 E6
D102 H6 IC259 D3
D103 D4 IC260 E5
D104 D4 IC262 G3
D106 D5 IC264 D3
D107 D5 IC266 C3
D109 D5 IC267 F5
MAIN (3)
(CB703) D111 D6 IC268 F6
D112 D6 IC269 E5
D113 D6 IC270 D5
D114 B4 IC271 F3
D117 E5 IC272 E3
LD_GND
N.C.
D252 E4 IC501 G6
PD
D253 E3 IC503 G5
DVD_VR
N.C. D254 E3 IC504 H3
Vcc
D255 F3 IC505 G5
RFGND
D257 D3 Q101 H4
B
RF
D258 D4 Q102 D5
D
D261 E6 Q103 C4
T-
F+
D262 E6 Q104 E6
D263 F6 Q105 C4
D264 D5 Q106 B4
D266 D5 Q107 D6
D271 D5 Q108 H4
D273 F6 Q110 E5
D279 F6 Q111 E5
D501 G4 Q251 E3
D502 G4 Q252 E4
IC101 H5 Q253 E3
IC102 F4 Q254 E3
IC103 H6 Q255 F3
IC104 H6 Q257 G3
IC105 D4 Q261 G3
IC106 C4 Q263 E6
IC107 D5 Q265 F6
IC108 F5 Q266 E2
IC251 E4 Q269 E4
IC252 E5 Q270 F6
IC256 F3 Q501 F5