Yamaha dsp-ax3800 Service Manual page 89

A B
1
AC IN
2
3
4
• See page 140, 141 →
FL
SCHEMATIC DIAGRAM
5
6
OPERATION
• See page 130 →
SCHEMATIC DIAGRAM
7
C D
CONTROL/POWER SECTION BLOCK DIAGRAM
• See page 132 →
POWER
SCHEMATIC DIAGRAM
RY1
TEI
POWER DETECT
IC1,2,3 /RESET
Q1,3
Q6
IC407
s10
+5.5
Q2
T1
POWER
RELAY
• See page 126-129 →
FUNCTION
SCHEMATIC DIAGRAM
111
25
IR REMOTE
80
U9001 102
MAIN/ZONE SW
SW802
103
MASTER SW 64,66,67,68
SW808
62,63
115,119
VOLUME
47
SW806
MICROPROCESSOR
31
107,108 M30845
INPUT SELECTOR
IC402
SW803 28
113,114
PROGRAM
95
SW807
123,124 85
81
OPERATION
109,110
82
• See page 130 →
104 20 22
XL402
SCHEMATIC DIAGRAM
20MHz
IR
IN
REMOTE1
REMOTE
PANEL KEY
OUT D4001
SW901-902, 904-905, 907-914
REMOTE2
(U, C, R, T, K, A, B, G, E, L models)
FL DISPLAY FL DRIVER
V9001 IC901, 902
ZONE 2/3 KEY
ON/OFF
(U, C, R, T, K, A, B, G, E, L models)
PURE DIRECT
SW801
E F
POWER TRANSFORMER
RY251
RY250
F1 RE
OR
BE
BL
BE
OR
RE
RYBL
RYBM
Q21
RE
2SD2014
2SD2014
WH
POWER
DETECT
RESET
RE
2SB1257
Q22
FUNCTION
+BDV
• See page 126-129 →
SCHEMATIC DIAGRAM
PU
IC7
SI-800BHFE
BE
+5M
GY
D4008
+5MM
+5SDV
D4009 Q4005
+5SPC BE
+5M2
PU
MG
POWER
IC10
SAVE
BA00JC5W
79M05
IC6
YE
YE
IC12
R37
BE
BA00JC5W
POWER SAVE
BE
POWER RELAY
FULL MUTE CONTROL
IC8 IC11
R33
OR
ZONE2/3 MUTE CONTROL SI-800BHFE BA00JC5W
DIGITAL FULL MUTE
+6S
DSP
XMPWR (U, C models)
i PDET
iPod ACCESSORY
POWER DETECT
i PWR
RYBL OR
RYBM
G H
+B
G
-B
• See page 131 →
MAIN
SCHEMATIC DIAGRAM
+12
Q20 +12T
+5D2
G
-12
IC5
7809 +9V
+5VD
IC9
BA00JC5W +3.3VD
DVG
+5VA
AVG
-5VA
FL1
FL2
+5I
IGND
+3.3N
IC4
BA00JC5W +5N
NETG
IC545
PQ200WNA +5BUS (U, C models)
Q16
+2.5D
2SD2014
IC542
NJM2885DL +1.2V1
IC541
+1.2V2
R1172S121D
IC543
+5D1
PQ200WNA
IC544
NJM2885DL
+3.3V
DG
• See page 123-125 →
DSP
SCHEMATIC DIAGRAM
I J
RX-V3800/DSP-AX3800
89