Block Diagram - Yamaha DSP-A595 Service Manual

DSP-A595
Q Q
3 7 6 3 1 5 1 5 0

BLOCK DIAGRAM

IC2
IC351
INPUT
8
13 10
COAX SELECTOR 7 13
9
DVD/LD IC352
OPT
TV/DBS OPT
OPTICAL SIGNAL
DETECTOR
IC351
IC104A/B
L 3 1 TAPE
PHONO MONITOR
IC102
R 5 7
1 3
L
1 CD
2
R
30 28 22
L
DVD/LD
29
R
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
T E
MAIN L 1 3 9 4 2 2 9 6 5 1 3
R
CENTER
L
SURROUND
R
SUB WOOFER
VIDEO
VIDEO AMP &
VIDEO AUX SELECTOR MONITOR
IC303 OUT
DVD/LD
TV/DBS
IN Q305,306
VCR
OUT
S-VIDEO
S-VIDEO AMP
MONITOR
IN & SELECTOR
OUT
IC301,302
VCR Q301~304
OUT
VIDEO
AUX
w w w
31
IC10A
L
24 8 18 5 7
37 3 84
DIR
12
IC3
XL1 DAC
IC7
13
IC10B
1
R
17 3 1
29
9
DIGITAL
IC11A
A/D
PRO-LOGIC
IC6
DECODER FL
27 5 7
IC4
YSS908
IC8,9 45 6
IC106A
IC11B
47 8
4 2 FR
28 3 1
IC106B
6 8
IC107A
LFE
24 5 7
RAM DAC
IC5 IC6
IC107B
C
23 3 1
IC13A
RL
1
25 3
IC13B
RR
26 5 7
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6CH
SELECTOR
IC102 VR401
IC103
IC103
1 4 3
IC108B
2 4
10
H,P,F 3 1
5
11
8
IC103
IC103
IC103
30 27 26
IC109B
27
21 H,P,F 3 1
IC108A 26
20
IC103
23
IC103
6 7
SUB
26
WOOFER
25
IC109A
27
6 7
IC103
5
CENTER
6
4
8
9
7
23
22
24
VR401
XL2
IC404
12 13
MOTOR
VIDEO DRIVE
SUB CPU
SELECTOR
Q Q
IC14 CONTROL
3 7 6
~
5 10 , 78 , 87 , 88 , 91 86
RCE
94
RDT
RDS
95
CONTROL DEST/RDO
96
RCK
97
TMUTE
4
/ST
12
TUNER
METER
CONTROL
22
TCE
SYSTEM & DSP CONTROL
93
IC800
DO
99
SW800
81
INPUT A
SELECTER
B 82
OPERATION
18
KEY
SW802~806,
810~815,
21
817,822~824
23 29 15 16
STANBY/ON
XL800
SW801
U800
REMOTE
SENSOR
u 1 6 3
32
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2 4
8 9 9
MAIN
MAIN
POWER AMP
LEVEL
Q506,511,512,
IC401A IC802A 521,529,Q527A/C
1 5 7 2 Q501
3 4 Q810
TONE
CONTROL
IC801
IC401B IC802B
5 7 3 1 6 8 Q811 Q502
MAIN
BASS TREBLE VR802 POWER AMP
VR800 VR801
Q507,513,514,
IC402A
IC110
522,530,533,
531A/C
5 7 14 15
CENTER
POWER AMP
Q508,515,516,
523,534,537,
531A/C
IC402B
3 1 3 2 Q503
Q509,517,518,
524,538,541
539A/C
IC403A
Q504
3 1 3 2
REAR
POWER AMP
IC403B
15
5 7 14 Q505
Q510,519,520,
IC111 525,542,545,
543A/C
M
Q724
–10dB
FMC
3 1 5 1 5 0 8 9
Q800
MUTE
DRIVE
Q801,802
Q549,550 REAR
85 92 77 27
Q546,547 MAIN
PRO1
23
PRO2
24 Q548 CENTER
PRO3 +B,-B,+25,-25,
25
+12A,+12B,+5D,-12
SPRY
RY501
75 Q553
MAIN SPEAKER
EFFECT-RY
RY502
74 Q556
CENTER SPEAKER
SPEAKER RELAY DRIVE RY503
REAR SPEAKER
RESET
RESET
11
Q803,D805
PDT S12
POWER DOWN DETECT
26
Q805,D811,812 Q808, D816
(R.T only)
VDD1 BACK-UP
17
D809 Q806,D813 REGULATOR
(MEMORY)
VDD2
90
VDD3
46 D806
VDD4 RY800
72 Q807
PRY
76
VP
Q552
51
D513
INPEDANCE
D762,763
SELECTOR
30 ~ 45 47 ~ 50 52 ~ 69
, ,
SW761
D751
+B
MAIN,
CENTER,
~ ~ REAR
12 33 , 40 55
AMP
FL DISPLAY –B
V800
D451
65 65 +25
1 2
F2
Q721,
F1
722
–25
D452
+12A
m
–12B IC725,
724,
722
–12
c o
D453
.
+5D IC723
2
8 9 9
PHONES
MAIN
A
L
B
RY501
A
R
B
SW711
CENTER
+
–
RY502
REAR
(SURROUND)
+
L
–
RY503
–
R
+
B.G models
L
MAIN
R
CENTER
L
REAR
(SURROUND)
R
2 4 9 8 2 9 9
SUB WOOFER
OVER
CURRENT
DETECT
D815
T800
+RYV
F804
F803
G model