RX-V795a/RDS/HTR-5170/DSP-R795a
A
B
C
D
E
F
G
H
I
J
K
1
2
3
4
5
6
7
8
■
BLOCK DIAGRAM
E-64/J-54
BLOCK DIAGRAM
MAIN
µ
-COM
IC21
TONE
CONTROL
IC201
-10dB
BALANCE
LEVEL CONTR
OL
LEVEL CONTR
OL
M
MOTOR
DRIVE
RESET
Q104,D108
POWER DOWN DETECT
Q101,D102,107
IC101
D821
Q506
D501
Q510,538
Q724,725
BACK-UP
(MEMORY)
D105
REGULATOR
FL DISPLAY
V101
S-VIDEO AMP&
SELECTOR
IC404
S-VIDEO AMP
& SELECTOR
IC402,403
S-VIDEO AMP
& SELECTOR
IC407,408
6 GANMA MO
T
OR
V
OLUME
IC252A
IC252B
IC253A
IC253B
BASS
VR201
TREBLE
VR202
MONITOR
OUT
XL11
2
3
1 2
81 82
D103
1 37,39 54
9,11,17,26
Q821
RY821
IMPEDANCE
SELECTOR
SW705
D510
D714
D715
+B
-B
MAIN,
CENTER,
REAR
AMP
FL2
FL1
65
5,6
18
1
51
44
PRI
SPRY
49
SPE
RESET
RY501
MAIN SPEAKER
RY701
CENTER SPEAKER
RY702
REAR SPEAKER
Q720,721
Q535,536
Q537
OVER
CURRENT
DETECT
REAR
MAIN
CENTER
PDT
+5M
PRY
VP
S12
SPEAKER RELAY DRIVE
Q726
Q702
Q701
Q505
MUTING
VR203
Q540
Q504
Q502
D822
T821
F822(A,B,G,L models)
F823(J,U,C,R,T, models)
F821
(G model only)
RY501
SPEAKER RELA
Y
RY701
RY702
MAIN
POWER AMP
Q507,511,514,515,
522A/C,523A/C
FMT
SELECT
OR SWITCH
PHONES
A
B
A
B
L
R
MAIN
CENTER
-
+
+
-
-
+
L
R
REAR
(SURROUND)
L
R
CENTER
L
R
SUB WOOFER
MAIN
REAR
(SURROUND)
OUTPUT
Q102,103
MUTE
DRIVE
INPUT/VIDEO
SELECTOR/DSP
CONTROL
46
15
3
3
14
15
2
2
7
IC254
IC256
IC255
14
1
5
5
6
25
3
6
1
7
3
22
9
10
21
11
20
26
27
5
4
8
7
23
24
6CH
SELECTOR
IC18
VR251
SUB
WOOFER
CENTER
13
IC351
L
R
L
R
L
R
L
R
PHONO
L
R
L
R
L
R
L
R
CENTER
SUB WOOFER
TAPE
PB
REC
OUT
MAIN
SURROUND
VIDEO AUX
DVD/LD
TV/DBS
IN
OUT
Q407
VCR
CD
6CH DIRECT
INPUT
MAIN
LEVEL
MONITOR
OUT
IN
OUT
DVD/LD
VCR
INPUT
SELECTOR
IC353
DIR
IC3
DSP
+
DIGITAL
PRO-LOGIC
DTS
DECODER
IC4
YSS918
10
IC2
TUNER
IC11A/B
INPUT SELECT
OR IC17
DVD/LD
TV/DBS
L
R
L
R
IN
OUT
VCR
A/D
IC6
IC20A/B
DAC
IC7
DAC
IC6
TAPE
MONITOR
IC12A
IC12B
L
R
C
SW
FL
FR
RL
RR
VR251
IC251A
IC251B
IC10A
IC10B
IC11A
IC11B
IC13A
IC13B
IC13A
IC13B
IC19
IC19
IC16A
IC16B
IC19
IC19
IC15A
IC15B
IC202
A
IC202B
INHIBIT
IC17
SW501
Q822,D823
(R,T models)
Q715
D702
706,
711,
712
-25
-12
+12
+12V
IC701,
703,
705
D713
IC704
D106
47
36
PRD
Q541
-10dB
48
Q11
40 41 53 55
8 10
TUNER
CONTROL
+B,-B,+25,-25,
+12A,+12B,+5D,-12
35
PRV
U101
19
28
STANBY/ON
SW101
REMOTE
SENSOR
INPUT
SELECTOR
SW127
42
43
A
B
OPERATION
KEY
SW102 126,
128 130
31
33
COAX DVD/LD
OPT
CD
DVD/LD
TV/DBS
TAPE
IC8,9
1
4
2
30
29
27
H,P,F
H,P,F
4
27
26
3
IC19
IC19
3
5
1
7
5
7
6
8
3
1
4
2
5
3
1
5
7
5
3
7
1
7 11
13
37
3
28
IC18
1
2
30
29
3
5
1
7
21
20
11
10
9
84
3
1
XL1
RAM
IC5
24
8
18
17
45
47
6
8
27
28
24
23
25
26
5
7
3
1
5
7
3
1
3
1
5
7
3
1
5
7
6
7
3
1
29
12
13
RY501
TONE BYPASS SW201
BASS
EXTENSION
SW201
IC257A
IC257B
IC258A
IC258B
IC352
DISPLAY DRIVE
IC102
SUB
µ
-COM
IC14
SPM
CRY
+5
8
55
+10U
+5D
+30U
-30U
+24
+25
+12U
+10U
-12U
DG
VIDEO
AUX
SUPERIMPOSE
IC406
SYNC SIGNAL
DETECTOR
Q410 412
IC401
1,4
2,3
IC405
Q413
15
1
2
5
4
3
IC401
Q401
69
SW901
PAL/NTSC
IC401
14
12
SW902
S VIDEO/VIDEO
SELECTOR
Q414
13
2
3
12
13
XL2
XL401
FAN
DRIVE
M
FAN
45
Q722,723
RY702
3
1
5
7
CENTER
POWER AMP
Q509,513,518,519,
530A/C,531A/C
Q703,705,708,710,
707A/C,716A/C
Q704,706,711,713,
712A/C,718A/C
REAR
POWER AMP
REAR
POWER AMP
Q508,512,516,517,
526A/C,527A/C
MAIN
POWER AMP