Yamaha DSP-AX1600 Service Manual page 73

A B
1
I BLOCK DIAGRAM (3/3)
• See page 105 →
POWER
SCHEMATIC DIAGRAM
2 RY1
3
4
INPUT (6)
5 • See page 107 → SCHEMATIC DIAGRAM
IR REMOTE
U600
MASTER SW
SW904
VOLUME
SW909
INPUT SELECTOR
SW920
PROGRAM
SW910
OPERATION
6
• See page 103 → SCHEMATIC DIAGRAM
KEY
SW600~604, 606~613, 908
FL DISPLAY FL DRIVER
V600 IC600
7
C D
TE1
POWER
Power Detector
DETECT
/Reset
IC3
/RESET
Q1, 3
Q6
IC571
T1
s10 D301
+5.5
D302
Q301, 302
Q2
POWER POWER
RELAY SAVE
25
86
POWER RELEY
102
MAIN/ZONE SW
79,80,81,82,83,84
SW912 SPEAKER RELEY
103
66,67,68,69
FULL MUTE CONTROL
48,49 96,97
ZONE2/3 MUTE CONTROL
10
MICROPROCESSOR
73,75 DIGITAL FULL MUTE
M30845
3
IC301
LIMIT
50,51
65
XMPWR
4
125,126
FUN
20 22
XL301
20MHz
FUNCTION (1)
• See page 101 → SCHEMATIC DIAGRAM
E F G
• See page 104 →
MAIN
SCHEMATIC DIAGRAM
POWER
-30
TRANSFORMER
F1
Q257
Q13
VI
+BA
2SD2014
Q14
2SD2014
WH
-BA
2SB1257
VI
Q15
Q8 IC317
TH1
BE +11V
2SD2014 PQ30RV21
+11V
DG
+5MM
BE
+5M2
Q16
OR
+BD1
+5SPC
2SD2014
IC4
PQ05RD11
GY
MG
PQ05RD11
OR
IC5
+BD2
PQ05RD21
PQ05RD21
-BD2
79M05
IC320
YE
YE
H I
+B2
-VP
+B1
G
-B1
+5D2
+12
AG
-12
+9V
IC318
PQ30RV21 +7V
PS Protection
PRV1
D13-15,240,245,+12,
+2.5D -12,+2.5D,+5D1,+5D2,+5V2,
+5V3,+5BUS(U, C models)
+5D1
IC7 U, C models PRVS
XPOWER +7,+9V,+5V1,-5V
+5BUS
IC319
PQ05RD21 +5V1
+5V3
IC6
+5V2
DG
-5V
FL1
FL2
J
RX-V1600/DSP-AX1600
73