Block Diagram - Yamaha DSP-A595a Service Manual

DSP-A595a

BLOCK DIAGRAM

IC351
INPUT
8
COAXIAL 13 10 SELECTOR 7
9
IC352
DVD/LD
OPTICAL
TV/DBS OPTICAL
OPTICAL SIGNAL
DETECTOR
IC351
L
2 TUNER
R
L
VIDEO
AUX
R
IC104A/B
L 3 1 TAPE
MONITOR
PHONO
IC102
R
5 7
1
L
1 CD
2
R
30
L
DVD/LD
R 29
L
TV/DBS
R
L
IN
R
VCR VCR
21 20
L
10 11
OUT
INHIBIT
IC101
R
L
3 IN
(PLAY)
R
TAPE/MD
L
4 OUT
(REC)
R
L
MAIN
R
CENTER
L
SURROUND
R
SUBWOOFER
VIDEO
VIDEO AUX
VIDEO AMP &
DVD/LD
SELECTOR MONITOR
OUT
IC303
TV/DBS
IN Q305,306
VCR
OUT
S VIDEO
VIDEO
AUX
S-VIDEO SELECTOR
DVD/LD & AMP
IC301,302,IC304,305
IN
VCR
OUT
32
IC10A
IC2
L
24 8 18 5
13 37 3 84
DIR
12
IC3
XL1 DAC
IC7
13
IC10B
1
R
DSP
17 3
+
DIGITAL/
IC11A
PRO-LOGIC/
DTS FL
27 5
DECODER
IC4
9
45 6
A/D
IC6
IC11B
47 8
FR
28 3
IC8,9
IC106A
IC107A
3 4 2
LFE
24 5
IC106B
DAC
28 22 6 8 RAM
IC6
IC5
IC107B
C
23 3
IC13A
RL
25 3
IC13B
RR
26 5
MONITOR
OUT
6CH
SELECTOR
IC102
IC103
IC103
1 4 3
IC108B
7
2 4
10 H,P,F 3
5
11
8
IC103
IC103
IC103
27 26
30
IC109B
1
29 27
21 H,P,F
3
IC108A
26
20
IC103
23
7 IC103
6 7
SUB
26
WOOFER
25
IC109A
27
1 6 7
IC103
5
CENTER
6
4
7
8
9
7
1
23
22
24
1
DSP
CONTROL
7
12
INPUT/
SUB µ-COM
VIDEO/
XL2
S VIDEO
IC14
SELECTOR
13
CONTROL
5 ~ 78 , , 88 ,
10 87
RCE
94
RDT
RDS 95
CONTROL DEST/RDO
96
(NOT USED)
RCK
97
TMUTE
4
/ST
12
TUNER
METER
CONTROL
22
(NOT USED)
TCE
93
DO
99
SW800
INPUT 81
A
SELECTER B
82
18
OPERATION
KEY
SW802~806,
21
810~815,
817,822~824
23 29 15
STANBY/ON
SW801
XL800
U800
REMOTE
SENSOR
33
MAIN
VR401 LEVEL
IC401A IC802A
1 3 1 5 7 4 2 Q810
TONE
CONTROL
IC801
IC401B IC802B
1 7 3 1 8
5 6 Q811
BASS
TREBLE VR802
VR800 VR801
IC402A
IC110
5 7 14 15
IC402B
3 1 3 2
IC403A
3 1 3 2
IC403B
5 7 14 15
IC111
VR401 M
IC404
MOTOR
–10dB
DRIVE
FMC
Q800
MUTE
DRIVE
Q801,802
Q549,550
77 27
91 86 85 92
Q546,547
PRO1
23
PRO2
Q548
24
PRO3
+B,-B,+25,-25,
25
+12A,+12B,+5D,-12
SPRY
75 Q553
EFFECT-RY
74 Q556
SPEAKER RELAY DRIVE
RESET
RESET
11
Q803,D805
MAIN µ-COM
IC800
PDT
POWER DOWN DETECT
26
Q805,D811,812
VDD1
BACK-UP
17
D809 Q806,D813
(MEMORY)
VDD2
90
VDD3
46 D806
VDD4
72 Q807
PRY
76
VP
Q552
51
D513
INPEDANCE
~ ~ ~ SELECTOR
16 30 45 47 50 52 69
, ,
D751
+B
MAIN,
CENTER,
~ ~ REAR
12 33 40 55
,
AMP
FL DISPLAY
–B
V800
D451
1 2 65 65 +25
F2
F1 Q721,
722
-25
D452
+12A
-12B
IC725,
724,
722
-12
D453
+5D IC723
PHONES
MAIN
POWER AMP
Q506,511,512,
521,529,Q527A/C
MAIN
Q501 A
L
B
RY501
A
R
Q502 B
MAIN
SW711
POWER AMP
Q507,513,514,
522,530,533,
CENTER
531A/C
+
CENTER
POWER AMP
–
Q508,515,516,
523,534,537,
531A/C
Q503 RY502
Q509,517,518,
REAR
524,538,541
(SURROUND)
539A/C
Q504 +
L
–
REAR
RY503
POWER AMP
–
R
Q505 +
Q510,519,520,
B.G models only
525,542,545, L
543A/C
MAIN
R
Q724
CENTER
L
REAR
(SURROUND)
R
SUBWOOFER
REAR
OVER
MAIN CURRENT
DETECT
CENTER
RY501
MAIN SPEAKER
RY502
CENTER SPEAKER
RY503
REAR SPEAKER
(J,B,G models)
J807
S12
Q808, D816
(R,T models) D815
T800
REGULATOR
RY800
D762,763 +RYV
SW761 F804
AC OUTLETS
J809
J,R,T models
AC OUTLET
J809
B model
AC OUTLETS
F803
G model