Block Diagram - Yamaha HTR-5550RDS Service Manual

A B
1
I BLOCK DIAGRAM (1/2)
RX-V530/RX-V530RDS/HTR-5550/HTR-5550RDS/DSP-AX530 only
DUTY
OPT REC 1 CORRECTOR
IC605, 606
CD-R
D-TV
2
DVD
LEVEL CONVERT
&
CD
SIGNAL DETECT
IC607
3
J model only
AAC/DTS ES/NEO.6
PLD
256K SRAM
IC608 IC609
B, G models only
XL571
4
RDS
DECODER
IC571
77, 78
FM/AM
TUNER
1, 2
CD L/R
79, 80
CD-R PLAY L/R
5
9, 10
V-AUX L/R
7, 8
VCR PLAY L/R
5, 6
D-TV L/R
3, 4
DVD L/R
71, 72
CD-R REC L/R
6
73, 74
VCR REC L/R
22, 24
L/R
13, 14
RL/RR
15
C
16
SW
7
C D
XL600
24.576MHz
DSP IC600
YSS938
REC OUT
SELECTOR
INPUT
DIR SOUND FIELD
SELECTOR
DOLBY
PROCESSING
PROLOGIC
/
II
SPEAKER
/
CONFIGURATION
DOLBY
/
DIGITAL
VIRTUAL
/
PROCESSING
DTS
/
DECORDER
HEADPHONE
PROCESSING
MAIN 4M DRAM
µ-COM
IC601
A/D
AK4527B
DECODER
IC614 1/2
CS493292
IC604
IC618 IC617
17, 19 21, 23, 25, 26, 27, 28
DAL/DAR
BYL/BYR
+
6L/6R
–
C
+
6C
–
SW
+
6SW
–
RL/RR
+
6RL/6RR
–
E F
• See page 70 → SCHEMATIC DIAGRAM
DSP
IC619A
L
3 +
27
Q602
–
IC619B
R
5 +
28
SDOB1 Q603
–
6
CODEC
IC620A
3 + C SW711~714
25
–
D/A
SDOB2
7
B, G models only
CONVERTER
IC620B
SW
5 +
26
–
AK4527
SDOB3
IC621A
8 IC614
3 + RL
23
–
IC621B
RR
5 +
24
–
+3.3 IC603 +5D2
+2.5 IC602 +5D2
IC303 IC741
+ 55, 57 L/R
– +
–
CENTER MIX
36 C
+
–
LFE MIX
+ 35 LFE
–
37, 38 RL/RR
+
–
IC304
SW
+
–
IC302
BD3811K1
G H
RX-V530/RX-V530RDS/HTR-5550/HTR-5550RDS/DSP-AX530
RX-V430/RX-V430RDS/HTR-5540/HTR-5540RDS/DSP-AX430
• See page 69 → SCHEMATIC DIAGRAM
OPERATION
IR REMOTE
U701
STANDBY/ON
SW781
MAIN CPU
IC301
VOLUME
SW719
KEY KEY
SW701~710, 715~718
FL DISPLAY FL DRIVER
V701 IC701
XL301
10.0MHz
PA: POWER AMP
IC742
L/R
TONE
+ PA
CONTROL
BASS TREBLE
C
PA
RL/RR
PA
MUTE
SW PRE OUT
Q301, 311
• See page 67~68 → SCHEMATIC DIAGRAM
FUNCTION
I J
POWER RELAY
SPEAKER RELAY
MUTE CONTROL
POWER DETECT
+5M
SERIAL CONTROL
DSP
TUNER
SELECTOR &
12
ELECTRIC VOLUME
RESET
RESET
Q308, 309
PHONES
RY101
+B
Q104A/C
RY102
L/R
-B
Q109A/C
+B
RY104
CENTER
-B
Q125A/C
+B
Q114A/C
RY103
RL/RR
-B
Q119A/C
RELAY DRIVER
Q131, 132, 134
• See page 72~74 → SCHEMATIC DIAGRAM
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