Yamaha KMA-1000 Service Manual page 28

A B
KMA-1000/KMA-950
FUNCTION (1) (Side A)
1
PRE OUT
(L/R)
● Semiconductor Location
Ref. No. Location
SUB WOOFER
D8 D5
1/2 (WITH LPF)
D12 D5
D15 F4
2
D16 G4
D17 E4
D18 E4
D803 D4
D804 D4 BGM
(INPUT LEVEL)
D805 F5
D806 F5
D807 C3
IC1 C5
IC2 C4
BGM
IC3 C2 (INPUT L/R)
IC4 C4
IC5 D5
IC6 D5
TAPE OUT
IC7 D5
(L/R)
IC8 E4
3
IC9 E4
IC10 D4
IC11 D4
TAPE IN
IC14 C2
(L/R)
IC15 F5
IC16 G4
IC17 E4
IC18 D4
TAPE
IC616 C2
(INPUT LEVEL)
IC617 C3
IC618 C1
Q3 C4
Q4 C3
Q5 C4
Q6 C3
Q10 C1
4
Q12 C3
Q13 C3
Q14 C2
Q15 C2
Q16 C2
Q17 C2
Q18 C2
Q19 C2
Q21 C3
Q22 C3
DVD IN
Q30 C1 (L/R)
Q31 C1
DVD
5 (INPUT LEVEL)
6
28
C D
KMA-950
R
MAIN (1)
(CB401)
GND
L
1 4
8 5
IC618
1 4
IC14
8 5
5 8
IC3
4 1
9 16
IC616
8 1
9 16
IC617
8 1
RM_IN
TXD_PC
/G_V
RCK
+5VD
-12VA
RM2
RM1
5 8
4 IC4 1
4
1
IC18
8 5
IC2
1 4
IC10
8 5
5 8
IC11
4 1
5 8
IC7
4 1
5 8
IC1
4 1
1 15
5 8
IC5
IC6
4 1
16
30
FUNCTION (2)
(W302)
E F
DGND
+5VD
VOL_REPEAT
VOL_DELAY
VOL_BAL
MIC2_OUT
-12VA
MIC1_OUT
AG
MUS_ROUT
+12VA
MUS_LOUT
AG
KEYCON_R_OUT
AG
KEYCON_L_OUT
AG
MIC_ECHO_R
AG
MIC_ECHO_L
AG
MIC_MIX_A
GND_RM
RM2
GND_RM
RM1
DGND
RM_DIR
VIDEO_DET
SDATA
OPERATION (1)
SCLK (CB237)
+5VA
GND_RM
+12VA
MAIN (1) (CB402)
(Writing port)
CB17
W2
10 11
20
1
IC17
48
10 11
20
1
33
CB19
FUNCTION (3)
(CB602)
G
Point q Pin 7 of IC15
FUNCTION (2)
(CB304)
MAIN (2) (W552)
CB22
1
1 4
IC16
8 5
49 64
1
16
32 17
CB15
OPERATION (2)
(CB706)
CB12
FUNCTION (3)
(CB601)
H