Yamaha DSP-A5 Service Manual page 32

Q Q
3 7 6 3 1 5 1 5 0
BLOCK DIAGRAM
• See page E-49/J-47 → SCHEMATIC DIAGRAM [INPUT (2/2)]
COAXIAL SIGNAL
DETECTOR
IC371
IC371
COAXIAL 11 8 5 DIGITAL
COAXIAL/OPTICAL
INPUT
DVD/LD SELECTOR
4
SELECTOR
OPTICAL IC373
3
IC395
COAXIAL SIGNAL
DETECTOR
IC372
IC372
COAXIAL 11 8 COAXIAL/OPTICAL
CBL/SAT SELECTOR
IC374
OPTICAL
D-TV OPTICAL
INPUT SELECTOR
L CONTROL
2
TUNER
R
IC104A/B
3 1
L
PHONO
R 5 7
L
1 CD
IC106A
R
3 4
1
L
VIDEO
AUX
2
IC106B
R
30 28 22 6
L
DVD/LD
29
R
L
CBL/SAT
R
L
D-TV
R
L
T E
IN L 1 3 9 4 2 2 9 6 5 1 3
R
VCR VCR
11 12
L
17
18
OUT
INHIBIT
R
IC101
L
• See page
3 IN
(PLAY)
R → SCHEMATIC
TAPE/MD
DIAGRAM
L
4 OUT
(REC) [INPUT (1/2)]
R
L
MAIN
R
CENTER
L
SURROUND
R
SUBWOOFER
VIDEO AUX
VIDEO
SELECTOR &
DVD/LD MONITOR
AMP
OUT
IC301
CBL/SAT
D-TV
IN
VCR
OUT
VIDEO
AUX
S-VIDEO SELECTOR
MONITOR
DVD/LD & AMP
OUT
IC351,352
w w w
CBL/SAT
D-TV
.
IN
• See page
VCR
→ SCHEMATIC
DIAGRAM
OUT
[INPUT (2/2)]
• See page E-51/J-49 → SCHEMATIC DIAGRAM [DSP]
DIA DIB
32 33
IC2
24 7
8
7 13 5 DIR5 3 84 DAC
9
DIGITAL
D/A
9 FORMAT
CONVERTER
XL1 INTERFACE
IC7
RECEIVER
10
IC3 AC3D2av
(24.576MHz)
DSP
+
DIGITAL/
PRO-LOGIC/
DTS
DECODER
IC4
1M SRAM YSS918D-F
45 6
STATIC
47 8
RAM
IC5
CODEC
IC8,9 29
CODEC DAC
20
ADC
9
85
31
32
A/D
CONVERTER D/A
IC6(1/2)
CONVERTER
IC6(2/2)
2
8
CEAC2
CLKAC
SCKD CLKAC
SID RXAC
TXAC
INTD TXAC
CECOD
CEAC1
SOD
/CSD /ICAC
/ICD
CLKAC
TXAC
CECOD
-10dB
INPUT SELECTOR
CONT-
LIMITTER CONTROL
ROL
CONTROL
E-48/J-46
DRIVE
DRIVE
Q121
Q124,125
12 11 9 10
1 2
CKB
SW1
4 3 10
SW2
5
SW3
6
OUTPUT PORT
SW4
7 EXPANSION
SW5
IC107
8
DTB
2 11
15 28 43
x a o
TUNER
y
CONTROL
(NOT USED)
i
E-49/J-47
http://www.xiaoyu163.com
8
INPUT SELECTOR INPUT SELECTOR
CONTROL
CONTROL
6-CH
SELECTOR
IC10A IC102
IC103
L+ IC103
1 4 3
19 5
7
L-
2 4
18 6
10 H.P.F
3
5
11
8
IC103
IC10B
IC103
R+ IC103
30 27 26
17 3
1
R- 29 27
16 2
21 H.P.F 3
26
20
23
IC103
IC108A
IC11A
IC103
FL
SUB
7
27 5 6 7 26
WOOFER
25
27
IC11B IC109A
FR
1 7
28 3 6 5
CENTER
IC103
6
4
IC110A
LFE
24 5 7
8
9
7
IC110B
C
23 3 1 23
22
24
IC13A
RL
25 3 1
IC13B
RR
26 5 7
Q Q
3 7 6 3
SIGNAL
LEVEL
DETECT
DSP
CONTROL
MUTE
DRIVE
Q501,
502
VUP VDN
/FMT
29 30 7 8 17 23 24 25 26 27 37 38 39 45 35 36 95
MICROCOMPUTER
IC501
44 93 3 4 5 6 13 15 19 21 41 42
XOUT REM PSW
XIN
ROT-A ROT-B
XL501(10MHz)
A B
SW501
U501
INPUT
u 1 6 3
RDS SELECTER
CONTROL
SW502
(NOT USED)
REMOTE
SENSOR STANDBY/ON
.
• See page E-50/J-48 → SCHEMATIC DIAGRAM [OPERATION]
E-30/J-28
http://www.xiaoyu163.com
2 4
9 9 8
• See page E-52/J-50 → SCHEMATIC DIAGRAM
• See page E-53/J-51 • See page E-50/J-48
→ SCHEMATIC → SCHEMATIC
MAIN
DIAGRAM DIAGRAM
POWER AMP
[MAIN (2/2), [OPERATION]
POWER]
BASS TREBLE MAIN
VR581 VR582 VR583 LEVEL
VR401
IC108B IC401A IC582A
1 3 1 5 7 5 7 Q106 Q119
TONE
CONTROL
IC581
IC109B IC401B IC582B
1 5 7 3 1 3 1 Q120
Q107
IC402A IC114A
IC113
CENTER
7 14 15 7
5 5 POWER AMP
Q508
Q515
Q516
IC402B IC114B
1 3 2 1 Q110
3 3
REAR
POWER AMP
IC403A IC112A
2 7 Q114
3 1 3 5
Q510
Q519
Q520
IC403B IC112B
14 Q112
5 7 15 3 1
IC111
Q509
Q517
M
VR401 Q518
IC404
Q102
MOTOR
DRIVE
Q557
Q554
SDT Q544
-B
D527
SCK
CETC D501
D506
1 5 1 5 0 8 9 2 4
DC OVER
PROTECTION CURRENT
DETECT PROTECTION
DETECT
PS
Q546,547 MAIN
PROTECTION
DETECT
Q548 CENTER
+B,-B,+25,-25,
SPEAKER RELAY DRIVE
Q549,550 REAR +12,-12,+5,-5D
SRY
RY501
Q553
MAIN SPEAKER
ERY
PRV RY502
Q555
LIMDT PRD PRI CENTER SPEAKER
RY503
REAR SPEAKER
90 92 40 91 47 48
BL,-BL
/RES
RESET
12
Q503,D502
PDT
POWER DOWN DETECT
20
Q504,D510,511
16
+5BU
BACK-UP IC502
63 D509
(MEMORY) D512
100
+5M
99 D503
Q801
PRY
46
Q552
D513
D751
~ ~
98 96 49 62 64 66 88 89
, ,
+B
MAIN,
VP
KEY1 KEY2 G1-16 CENTER,
P1-22 REAR
AMP
–B
D451
+25
~ ~
18 , 19 , 22 43 , 46 61
Q721,
FL DISPLAY
722
m
V501
-25
1 2 64 65
D452
OPERATION +12
KEY
c o
SW503-510 IC721,
722
F2
F1 -12
D453
+5D
IC723,
725
+5
• See page E-53/J-51 → SCHEMATIC DIAGRAM [MAIN (2/2),POWER]
DSP-A5
2
9 9
[MAIN (1/2)]
MAIN
POWER AMP
PHONES
Q506
Q521
Q511 Q526,Q529
Q512 Q527A/C
MAIN
A
L
B
Q507
Q522
Q513 Q530,Q533 RY501
Q514 Q531A/C
A
R
B
SW711
CENTER
CENTER
+
POWER AMP
Q523
Q534,Q537
–
Q531A/C
RY502
REAR
POWER AMP
REAR
(SURROUND)
+
L
–
Q524
Q538,Q541
RY503
Q539A/C
–
R
+
L
Q525
MAIN
Q542,Q545
R
Q543A/C
CENTER
L
REAR
(SURROUND)
R
Q540
SUBWOOFER
Q536
Q532 -B
D521
D532
9 8 2 9 9
LIMITTER
• See page E-52/J-50
→ SCHEMATIC DIAGRAM
[MAIN (1/2)]
(J,B,G
models)
J807
S12
(R,T models)
D804-807
T801
REGULATOR
Q802, D803
RY801
BL,-BL
D759,
764,
INPEDANCE
762,
SELECTOR
763
SW761 F802
AC OUTLETS
J802
J,R,T models
AC OUTLET
J802
B model
AC OUTLETS
F801
POWER
TRANS-
FORMER
G model
E-31/J-29