1
2
3
4
5
6
7
8
A
B
C
D
E
SCHEMATIC DIAGRAMS (4/11)
AVR-1804/884 / AVC-1880
82
SCHEMATIC DIAGRAMS (4/11)
MAIN UNIT
82
REC SIGNAL LINE
SR
1
5
4
3
2
SR
G
NF5
NF5
SR
B-
B-
B+
B+
GND
SL
SL
G
G
NF4
NF4
G
GND
OVER_PT
PRE-B
PRE-B
SL
FROM PRE AMP UNIT
5
4
3
2
C
C
G
NF3
NF3
1
C
5
4
3
2
6
+15V
FR
FR
G
NF2
NF2
PROTECT_SENCE
DC_PROTECT
OVR_PROTECT
SR
MAIN B'D
CHASSIS
CHASSIS
POWER S/W B'D
ONLY
C,T,K
E2A,
E2,EK,
S/W PUSH
CAUTION:For continued safety,replace
critical components only with manufacturers
recomended parts (refer to parts list)
indicates safety critical components.
To reduce the risk of electric shock,
leakagecurrent or resistance measurements
shall be carried out (exposed parts are
acceptably insulated from the supply circuit)
before the appliance returned to the customer.
1
F/L
1
2
NF4
NF4
5
4
3
G
F/L
FR
FL
RLY104
SURR
CENTER
RLY103
SL
CENTER
FR
FL
TO CONNECTION UNIT
1
2
3
-VKK
PROTECT
LIMIT
CPU_GND
+5.6V(CPU)
PWR_DOWN
+15V
GND
GND
+5V(DSP)
DSP_GND
-15V
H/P_MUTE
RLY_CNT
RLY_POWER
13
14
4
5
6
7
8
9
10
11
12
17
16
15
18
RLY_SPK_A
RLY_SURR
RLY_SPK_SB
20
19
MUTE_+B
GND
H/P_L
2
1
TO H/P UNIT
RLY_SPK_B
SURR_BACK
FRONT_A
RLY101
RLY102
RLY107
H/P
FRONT_B
RLY105
TO POSISTOR
CHASSIS
3
H/P_R
3
2
1
SURR_B_SP
SURR_B_SP
SURR_B_SP
SB_OUT
GND R
GND L
MAIN A L
E2 ONLY
MAIN A
GND
CENTER
CHASSIS
SPK A
CHASSIS
+
-
CHASSIS
CHASSIS
MAIN A R
GND R
GND L
MAIN B L
MAIN B R
-
+
SPK B
FRONT
SURR_BACK_B
SURR_BACK_A
MAIN POWER TRANS
TO VIDEO B'D
FILAMENT
TO FRONT
( USA ONLY )
CHASSIS
GND
AC CORD
SUB TRANS
RLY106
E3,EU,N SHORT(J234)
LOCK SW
CHASSIS
E3,EU,N:T8A/125V
F102
CHASSIS
CHASSIS
GND R
GND L
L CH
R CH
SURROUND
E2,E2A:T2.5AL/250V
E3,EU,T,N:T8A/125V
E2,EK,E2A,C,T,K:T3.15AL/250V
T2.5AL/250V
K
F101
F101
CP505
VR105
VR1K(B)
C102SR
10/50
Q103SR
2SD947F
C104SR
100P-(500V)
R101SR
2K7
16
10
11
12
13
14
15
5
6
7
8
9
2
1
3
4
CP504
10/100
C182
C104SL
100P-500V
C102SL
10/50
R101SL
2K7
Q103SL
2SD947F
10(1)
R184
R103SR
3K
R104SR
5K6(1)
100P-500V
C103SR
5K6(1)
R105SR
47/50
C101SR
R112SR
10K
2SD2390
Q101SR
4R7(1/4)
R106SR
2SB1560
Q102SL
0R22(1)
R111SL
R110SL
0R22(1)
4R7(1/4)
R107SL
D101
1SS133T
R117SL
22K
R119SL
10(1)
10(1)
R118SL
C107SL
100N(R)-250V
Q104SR
KSC1845F
R115SR
2K2
R109SR
0R22(1)
R108SR
0R22(1)
TP105
22N
C105SR
R114SR
20K
R113SR
330K
1mH
L101SR
D105
1SS133T
2SB1560
Q102SR
R110SR
0R22(1)
R111SR
0R22(1)
4R7(1/4)
R107SR
C107SR
100N(R)-250V
R119SR
10(1)
R118SR
10(1)
R103SL
3K
10/50
C102C
Q103C
2SD947F
CP503
R101C
2K7
47/50
C101SL
VR104
VR1K(B)
5K6(1)
R105SL
R104SL
5K6(1)
C104C
100P-500V
C103SL
100P-500V
47/50
C101C
R101FR
2K7
3K
R103C
CP502
2SD947F
Q103FR
VR103
VR1K(B)
5K6(1)
R104C
5K6(1)
R105C
100P-500V
C104FR
100P-500V
C103C
R112C
10K
Q101C
2SD2390
R114C
20K
330K
R113C
TP103
C105C
22N
4R7(1/4)
R106C
R108C
0R22(1)
R109C
0R22(1)
Q104C
KSC1845F
2SB1560
Q102FR
D104
1SS133T
R110FR
0R22(1)
R111FR
0R22(1)
R107FR
4R7(1/4)
R117FR
22K
R118FR
10(1)
C107FR
100N(R)-250V
R119FR
10(1)
2K2
R115C
1mH
L101C
10(1)
R118C
R117C
22K
10K
R112SL
R113SL
330K
22N
C105SL
20K
R114SL
Q101SL
2SD2390
TP104
Q104SL
KSC1845F
R109SL
0R22(1)
R108SL
0R22(1)
R106SL
4R7(1/4)
2SB1560
Q102C
1SS133T
D103
4R7(1/4)
R107C
0R22(1)
R110C
R111C
0R22(1)
R119C
10(1)
C107C
100N(R)-250V
R115SL
2K2
1mH
L101SL
R117SR
22K
R160
10K
C177
1/50
D132
1SS133T
15K
R178
C175
4.7/50
R181
4R7(1/4)
KSA916Y
Q179
C176
1/50
D134
MTZ18B
1N4007
D138
Q178
KTA1266Y
Q177
KTC3198Y
10K
R180
C178
330/63
R185
22(1/4)
R176
47K
R177
47K
C174
10/35
D133
MTZ18B
R173
15K
C172
220/6.3
KTC3198Y
Q174
C171B
100N
Q173
KTC3198Y
R171B
100K
KTA1268BL
Q171B
Q171C
KTA1268BL
POSISTOR
D135
1SS133T
R179
47K(1/4)
1K
R182
D136
MTZ11B
D137
1SS133T
KTA1268BL
Q181
Q180
KTA1268BL
C173
220/6.3
Q175
KTC3198Y
KTC3198Y
Q176
C171C
100N
R171A
100K
KTC3198Y
Q172
Q171A
KTA1268BL
C171A
100N
R171C
100K
R175
15K
NJM7805F
IC103
C158
1000/25
C161
10/35
R158
4K7
R183
4K7
D157
MTZ20B
D160
1SS133T
IC105
ICP-N15
Q151
2SC1740SR
Q117
DTC114YS
MTZ8.2B
D154
C154
47/10
C155
100N
D158
1SS133T
D159
1SS133T
C148
1/50
C146
1/50
R145
27K
R147
27K
27K
R146
R159
20K
IC101
KIA7815
3300/35
C144
1000/35
C145
6800/16
C153
KIA7805A
IC104
C159
1/50
D145
1N4007
C151
47N(M)
47N(M)
C150
R148
0R22(1)
C152
47N(M)
C143
47N(M)
47N(M)
C142
D143
1N4007
D141
1N4007
D146
1N4007
D142
1N4007
47N(M)
C141
R142
0R22(1)
R149
0R22(1)
SW901
IC102
NJM7915
D144
1N4007
R141
0R22(1)
CN931
CP501
R104FR
5K6(1)
R105FR
5K6(1)
VR102
VR1K(B)
2K7
R101FL
47/50
C101FR
R103FR
3K
10/50
C102FR
C103FR
100P-500V
100P-500V
C104FL
47/50
C101FL
Q103FL
2SD947F
R103FL
3K
C102FL
10/50
5K6(1)
R104FL
VR101
VR1K(B)
5K6(1)
R105FL
R112FL
10K
R113FL
330K
C105FL
22N
R114FL
20K
Q101FL
2SD2390
TP101
R111FL
0R22(1)
R109FL
0R22(1)
0R22(1)
R108FL
0R22(1)
R110FL
R106FL
4R7(1/4)
Q104FL
KSC1845F
100P-500V
C103FL
L101FL
1mH
2K2
R115FL
2SD2390
Q101FR
R112FR
10K
R113FR
330K
C105FR
22N
R114FR
20K
TP102
R108FR
0R22(1)
R109FR
0R22(1)
Q104FR
KSC1845F
4R7(1/4)
R106FR
2SB1560
Q102FL
D102
1SS133T
4R7(1/4)
R107FL
10(1)
R118FL
10(1)
R119FL
100N(R)-250V
C107FL
2K2
R115FR
L101FR
1mH
R117FL
22K
D124
1SS133T
D123
1SS133T
Q113
DTC114YS
DTC114YS
Q114
CP553
CP991
CN106
Q112
DTC114YS
Q111
DTC114YS
D121
1SS133T
D122
1SS133T
1SS133T
D127
1SS133T
D125
CP106
Q115
DTC114YS
Q118
C114T
R117SB
22K
CP992
C192
2N2
C199FL
10N
-
+
C196
2N2
10N
C198C
C198
2N2
C198SB
10N
-
+
C199BR
10N
C195
2N2
C199BL
2N2
-
+
-
+
C191
2N2
-
+
C199FR
10N
C197
2N2
CP104
1N4007
D153
2M2(2)
R154
CP101
Q116
2SC1740SR
R151
M68(1/4)
D126
1SS133T
R187
47K
D149
1N4007
D151
1SS133T
D148
1SS133T
CP931
D152
1N4007
D150
1N4007
C157
1/50
R186
4K7
C171
100/10
R171
33K
Q171
KTC3198Y
R134
2K2
R131
51K
R133
51K
51K
R132
R139
560K
R138
1K2
R135
0.1(5W)
R136
0.1(5W)
180
R137
D131B
D131A
C137
12000/63
C136
12000/63
1/50
C138
C135
100N(R)-250V
100N(R)-250V
C134
C133
100N(R)-250V
CP103
100N(R)-250V
C132
C131
100N(R)-250V
10N(EB)
C198SR
10N(EB)
C198SL
-
+
-
+
2N2
C193
C194
2N2
C181
0.0047/250VAC
CP102
Summary of Contents for AVC-1880
Page 20: ...20 20 AVR 1804 884 AVC 1880 PRINTED WIRING BOARDS MAIN P W B UNIT COMPONENT SIDE ...
Page 21: ...21 21 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 25: ...25 25 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 26: ...26 26 AVR 1804 884 AVC 1880 CNT P W B UNIT FOR JAPAN MODEL COMPONENT SIDE ...
Page 27: ...27 27 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 28: ...28 28 AVR 1804 884 AVC 1880 INPUT PRE AMP P W B UNIT COMPONENT SIDE ...
Page 29: ...29 29 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 30: ...30 30 AVR 1804 884 AVC 1880 DSP P W B UNIT COMPONENT SIDE ...
Page 31: ...31 31 AVR 1804 884 AVC 1880 FOIL SIDE ...
Page 32: ...32 32 AVR 1804 884 AVC 1880 C VIDEO P W B UNIT COMPONENT SIDE ...
Page 33: ...33 33 AVR 1804 884 AVC 1880 FOIL SIDE ...