Denon AVR-2105 Service Manual page 252

Q Q
1 2
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS (5/16)
CONNECTION B'D
CP556
C
GND
SW
GND
SBL/MULTI-L
GND
SBR/MULTI-R
GND
SR
GND
SL
GND
FL
GND
FR
CP568
AC
FROM TRANS
GND
R575
AC
0R22(1)
D573
1N4007
CN551
C565 C564 C258
D574
2200/16 2200/16 6800/16
+6V
1N4007
-6V
GND
D570
SB_MUTE
1N4007
RLY_SPK_B
C259
D571
2200/16 1N4007
PRE_RTN_GND
R552
+15V
2K2
-15V
R551 C551
22K 2.2/50
R553
560K
Q551
KTC3200BL
Q552
KTA1268BL
T E
L 1 3 9 4 2 2 9 6 5 1 3
R570 R565 R559
1K2(1) 1K2(1) 1K2(1) D564
1SS133T
D570C
KDS160
C557
D565
10/50
MTZ5.1B
Q558C
KRC107S
MUTE_PWR 19
-VKK 18
PROTECT 17
PWR_DOWN
16
DSP_GND 15
+5V(DSP) 14
CPU_GND 13
+5.6V(CPU) 12
SUR_MUTE 11
FRNT_MUTE 10
CNT_MUTE 9
RLY_POWER 8
RLY_H/P 7
RLY_CNT 6
RLY_SURR 5
RLY_SPK_A 4
RLY_SPK_SB 3
MUTE_+B 2
w w w
SW_MUTE 1
CN552
.
3 4
R563
C558
SB_MUTE
470K
0.1/50
R561
1K
Q556
KRA102S
SURR_MUTE
C552
0.1/50
R560
1K
Q553
KRA102S
CENTER_MUTE
C553
0.1/50
R573
1K
Q554
KRA102S
R572
470K
FRONT_MUTE
R574
1K
Q557C
Q555
KTA1504S
R582C
KRA102S
3K3
R583C
1K
x a o
y
i
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5
8
SURROUND BACK AMP B'D
C
GND
SW
GND
SBL/MULTI-L
GND
SBR/MULTI-R
GND
SR
GND
SL
GND
FL
GND
FR
SBR/MULTI-R
CN554
GND
NF6
GND
SBL/MULTI-L
GND
NF5
OVER_PROTECT
DC_PROTECT
GND
GND
MAIN_B+
MAIN_B+
MAIN_B-
MAIN_B-
CN510
FRONT_MUTE
CNT_MUTE
SURR_MUTE
SW MUTE
SUR_B_MUTE
Q Q
3 7 6 3
C554
0.1/50
CHASSIS
D903
KDS160
CHASSIS
C551S
D904
47N
KDS160
C917
10N-Z
PRE-OUT B'D
CN555
MUTE_+B
+5V(DSP)
+5V(DSP)
DSP_GND
DSP_GND
+15V
-15V
PRE_RTN_GND
PRE_RTN_GND
CPU_GND
+5.6V(CPU)
CN560
RLY_POWER
PWR_DOWN
RLY_SB
RLY_SURR
RLY_CNT
RELAY_H/P
VIDEO-CNT B'D
LIMIT
PROTECT
CP1152
CP1151
RLY_SPK_B
RLY_SPK_A Y
VGND
-VKK
u 1 6 3
C
NC
+6V
NC
-6V
NC
+9V .
F
G
J
K
COM_DET
INHIBIT
SCL
SDA
FSC OUT
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6 7
9 2 4 9
C103SBR
R104SBR
100P-500V
5K6(1)
Q101SBR
2SD2390
R115SBR
R106SBR
2K2
4R7(1)
R112SBR Q104SBR
C101SBR
KSC1845F
10K
47/50
R103SBR
3K
C102SBR
10/50
Q103SBR
2SD947F
D107
R101SBR
1SS133T
2K7
Q102SBR
2SB1560
C104SBR
100P-500V
C103SBL
100P-500V Q101SBL
2SD2390
R106SBL
4R7(1)
R112SBL
C101SBL Q104SBL
47/50 10K KSC1845F
R103SBL
3K
C102SBL
10/50
Q103SBL
2SD947F
Q102SBL
2SB1560
C104SBL
100P-500V
1 5 1 5 0 8 9 2
FL SR SBL
FR C SL SBR SW
JACK202
R931 R929
R927 R925 R923 R922 R921 R920
100K 100K
100K 100K 100K 100K 100K 100K
C918 C920 C916 C915 C914 C913
C912
100P-J 100P-J 100P-J
100P-J 100P-J 100P-J 100P-J
C910
R553SW
100P-J 22K
R554SW
10K
9 8 7 6 5 4 3 2 1 7 6 5 4 3 2 1 1
CN509 CN1154
CN508
FROM PREAMP UNIT
3/13
VIDEO-PREOUT CNT B'D
m
CP602D
Y
VGND
c o
C
+6V
SCHEMATIC DIAGRAMS (5/16)
-6V
+9V
F CNT UNIT
G
J SURROUND BACK AMP UNIT
K
COM_DET
INHIBIT
SCL
SDA
FSC OUT
CP1154
CN1153 TO COMPONENT B'D
AVR-2105/885 / AVC-1890
8
8 2 9 9
2/13
A
L101SBR
1mH
R118SBR
10(1)
SBR SP
SBR SP
SBL SP
SBL SP B
CN992
L101SBL
1mH
R118SBL
10(1)
4 9 8 2 9 9
C
CHASSIS
D902
KDS160
D901
KDS160
C911
10N-Z
D
R555SW
100K
Q552SW
KTC2875B
2 3 4 5 6 7 8 9 10 11 12 13 14 15
E
SIGNAL LINE