Onkyo TX SR308

TX-SR308 HT-R280/ 380/ C230
Reference materials, (protect detection)
TX-SR308 HT-R280/ 380/ C230
IPROTECT
VPROTECT
SEC1H
VOLH
*
MPU
R6903
47K
R6902
1K
Q6707
2SC2712-GR
R6197
(1W)
8.2
AC_S1L-
S1L+
S1L-
AC S1H+
AC S1H-
AC_S1L+
F6902
F6901
C6911
102J
D6901
D10XB60H
3
4
2
C6913
334J/100V
SN5051
1
SN5051
1
D6902
1SS352
12
RL6902
NRL-1P10A-DC12-196
4
3
5
2
1
RL6901
NRL-1P10A-DC12-196
5
3
4
1
2
C6915
104J
C6916
104J
C6912
334J/100V
1
3
S3
S2
S4
S1
T901
+49V
--49V
+24V
+3.3VMPU
GNDDG2
Q6380
LM61CIZ
1
G
2
O
3
V
3
2
1
C6631
NM
THERMAL
Q6051
KRC105
RL601
1
3
4 5
2
6
SPL
Q6055
RL603
1
3
4 5
2
6
RL602
1
3
4
5
2
6
Q6053
RL605
1
3
4 5
2
6
Q6057
KRC105
RL607
1
3
4 5
2
6
SP_SL/ SR
SP_FL/ FR
SP_SW
SPB_L/ R
+22V
SP_FL/ FR/ SW
SPB_L/ R
SP_SL/ SR/ C
Amplifier PC board
Amplifier PC board
Thermal Senser
PC board
Speakers Terminal
Power Amplifier IC
KRC105
KRC105
Q6052
KRC105
SP_C
L
C6050
472K
Q6010
2SC2240-BL
R6070
56K
R6080
12K
R6100
33K
FL
R6060
0.22(2W)
1
+Vcc
2
-Vcc
3
GND
4
Ch1+RE
5
Ch1-RE
VPRO
R6120
47K
D6020
R6110
47K
0V
0V
R6219
220K
C6092
1/50
D6034
UDZS3.3B
R6218
10K
R6211
33K
Q6024
2SA1163-BL
R6217
47K
D6031
1SS133
D6032
1SS133
Q6022
2SC2240-BL
C6090
100/25
R6215
NC
C6091
1/50
D6033
UDZS3.3B
R6216
220K
C6093
104Z
R6213
10K
Q6021
2SA1163-BL
R6214
47K
Q6023
2SC2240-BL
C6094
104Z
IPRO
IPROTECT
VPROTECT
+49V
+49V
-49V