Denon AVR-1905 Service Manual

78
AVR-1905/785 AVC-1590
SCHEMATIC DIAGRAMS (7/13)
CNT/6CH EX-IN UNIT
(For ALL MODEL)
SCHEMATIC DIAGRAMS (7/13)
1234567891011
A
B
C
D
E
F
G
H
AVR-1905/785 AVC-1590
RMC_IN/OUT
C401SL
100P-J
C401C
100P-J
C401SW
100P-J 100P-J
C401FR
C402R
100P-J
2M2
R402SL
2M2
R402C
2M2
R402SW
2M2
R402FR
2M2
R404R
C405
100P-J
C407
12N(EB)
R409
100
6800/16
C1004
C1000B
47N(EB)
D1000
1N4007
C1001
47N(EB)
3300/16
C1003
R570
1K2(1)
R559
1K2(1)
KTA1268BL
Q552
Q551
KTC3200BL
R552
2K2
2.2/50
C551
MTZ5.1B
D564
D569
1SS133T
R557
2K2
D568
1SS133T
R555
2K2
D570
1SS133T
1SS133T
D554
1SS133T
D555
D572
1N4007
D558
1SS133T
D559
1SS133T
C551M
10/50
D566
1SS133T 1SS133T
D567
10K
R575
10K
R569
10K
R571
Q556
KRA102M
470K R572 R568
470K
13121110987654321
CP603
C401SR
100P-J
100P-J
C401FL
C402L
100P-J
C404
10N-K
MTZ6.2B
D401
2M2
R402SR
2M2
R402FL
2M2
R404L R407
1K
13121110987654321
CP604
200K
R410
C412
10N
J403
BEAD
C413
10N
321
CN554
D1001
1N4007
1000/16
C1002
D1003
1N4007
R556
2K2
D1002
1N4007
560K
R553
D551
1SS133T
1K
R566
1SS133T
D565 D562
1SS133T
C551S
47N
10K
R567
R563 470K
R562 470K
1413121110987654321
CP551
10 9 8 7 6 5 4 3 2 1
CN553
19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN552
R401SR
100
R401C
100
R401SW
100
100
R401FL
R403L
100
R403R
100
39K
R406
J401
BEAD
C406
12N(EB)
C408
47/16
R408 470
4.7/50
C409
Q401
KRA104M
100/16
C411
J402
BEAD
C1000A
47N(EB)
R1000A
0R22(1)
R1000B
0R22(1)
C556
10N
R554
3K6
R551
22K
D573
1N4007
C557
10/50
KTA1268BL
Q558
3K3
R564
R565
1K2(1)
D552
1SS133T
D556
1SS133T
D560
1SS133T
C555
10N
D553
1SS133T 1SS133T
D557
1SS133T
D561
1K
R574
Q553
KRA102M
KRA102M
Q559
1K
R561
R401SL
100
100
R401FR
C403
1/50
1K
R405
1234
5678
CXA1511
IC402
GND
IN
C1
C2 NC
OUT
VCC
13121110987654321
CP651
13121110987654321
CN604
7812
IC401
10/50
C410
Q557
KRA102M
D563
1SS133T
1K
R573
KRA102M
Q560
KRA102M
Q554
KRA102M
Q561
KRA102M
Q555
1K
R560
14 13 12 11 10 9 8 7 6 5 4 3 2 1
CN555
4321
CN554B
10987654321
CN401
151413121110987654321
CN403
134679101213151618 5 211 817 14
CN402
1413121110987654321
CN554A
11 10 9 8 7 6 5 4 3 2 1
CN556
F
K
F
K
FR
SL
G
JJ
G
J
NC
FL
FROM VIDEO BOARD
C
SR
TO PRE-AMP BOARD
FR
TUNER_L
VGND
F
K
Y_OUT
VGND
Y_OUT
VGND
F
K
GND
6CH_C
GND
6CH_FR
GND
CE1
DATA_IN
TUNED
TUNED
GND
+12V
NC
DATA_IN
GND
GND
GND
GND
GND
DSP_+5V
DSP_GND
GND
RLY_H/P
GND
GND
FR
GND
SL
GND
SR
C
SW
FL
TUNER_R
GND
VGND
G
+5.6V
GND
VGND
CR_OUT
CB_OUT
+5.6V
GND
VGND
CR_OUT
CB_OUT
G
J
+5.6V
6CH_SL
GND
6CH_SR
6CH_SW
6CH_FL
GND
GND
TUNER_R
REMOCON
CPU_GND
CLK1
DATA_OUT
ST
+15V
D-GND
ST
AF-OUT
L-OUT
R-OUT
CLK1
CE1
FM_VSM
DATA_OUT
GND
GND
GND
GND
GND
SBR
GND
SBL
CMUTE
SB MUTE
DSP_GND
+15V
DSP_+5V
GND
CPU_GND
RLY_SURR
RLY_CNT
PROTECT
-VKK
LIMIT
GND
+24V
SB-MUTE
CNT-MUTE
FL
GND
GND
GND
SBR
GND
SBL
SL
FROM VIDEO BOARD
SW SW
TO COM-VIDEO BOARD
SW
COMP_DET
SW
COMP_DET
TO COM-VIDEO BOARD
GND
TUNER_L
TO CPU BOARD
D-GND
TO CPU BOARD
FROM INPUT BOARD
MUTE_+B
-15V
C
SUR-MUTE
SR
Y_OUT
VGND
Y_OUT
DSP_+5V
PROTECT
CPU_+5.6V
CNT_MUTE
RLY_POWER
RLY_SURR
RLY_SBL/R
+15V
CPU_+5.6V
RLY_POWER
RLY_SBL/R
RLY_SPK_B
FRONT-MUTE
GND
VGND
CR_OUT
CB_OUT
+5.6V
CR_OUT
CB_OUT
6CH EX-IN BOARD
VIDEO-CNT DOWN BOARD
+24V
DSP_GND
PWR_DOWN
CPU_GND
SURR_MUTE
SB_MUTE
FRONT_MUTE
RLY_CNT
H/P_MUTE
RLY_SPK_A
RLY_SPK_B
-15V
MUTE_+5V
7806_IN
7906_IN
PWR_DOWN
RLY_SPK_A
COMP_DET COMP_DET
KE3/BKEU
-VKK
TO MAIN BOARD
CPU_+5.6V
AF-OUT(RDS_DET)
VIDEO-CNT UP BOARD
TUNER_MUTE
FRONT MUTE
SURR MUTE
CNT BOARD
TUNER_MUTE
AVC1590-N ONLY
REMOTE IN/OUT(E3/BKEU)

Denon AVR-1905 Specifications

General

Speakers connectivity type	-
Receiver type	Surround
Frequency range	10 - 100000 Hz
Audio output channels	7.1 channels
Signal-to-Noise Ratio (SNR)	100 dB
Power output per channel (1KHz@6 Ohm)	110 W
Power output per channel (20-20KHz@8 Ohm)	80 W
Product color	Black
Audio decoders	DTS 96/24, DTS Neo:6, DTS-ES (Discrete 6.1), DTS-ES (Matrix 6.1), Dolby Digital EX, Dolby Pro Logic IIx
Digital Signal Processing (DSP)	Yes
HDMI in	0
Composite video in	4
Digital audio coaxial in	1
Component video (YPbPr/YCbCr) in	3
S-Video outputs quantity	2
Ethernet LAN	No
AM band range	520 - 1710 kHz
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
AC input voltage	120 V
AC input frequency	60 Hz

Weight and Dimensions

Depth	171 mm
Width	434 mm
Height	416 mm
Weight	11900 g