STR-DH520
STR-DH520
31
31
4-19. SCHEMATIC DIAGRAM – STANDBY-A VIDEO MT PC Board –
• See page 46 for IC Block Diagrams.
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
STANDBY-A VIDEO MT PC BOARD
MAIN POWER
TRANSFORMER
T901
5
13
-5
-13
-0.7
0
3.3
2.8
0
3.3
0.7
0.6
0
0
0
0
-5
-5
0
5
0
0
0
0
0
0
0
5
3.3
0
0
0
5
0
-5
0
0
0
5
0
1
4
G
G
1
3
G
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C992
1
50V
FH901
FH902
RY901
5V, TV-8
CNP902
2P
LIVE
NEUTRAL
F901
Q990
AC OFF DETECT
2SC3052EF-T1-LEF
10k
R993
Q901
RELAY DRIVE
2SC3052EF-T1-LEF
2.2k
R903
47k
R904
75
R276
75
R227
IC210
NJM2595M-TE2
75
R213
75
R225
J220
1
2
3
6
7
4
5
8
9
10
11
12 13
C225
C228
75
R215
75
R224
1
2
3
4
5
C229
75
R214
C227
75
R277
75
R21
1
C224
10 50V
10 50V
10 50V
10 50V
10 50V
10 50V
C213
10
50V
75
R228
C211
10
50V
75
R226
75
R229
CH1 = Y
CH2 = Pb
CH3 = Pr
C226
75
R278
C953
3300
16V
CL904
CL905
CL906
CL907
IC201
KIA7805API-U/PF
IC202
KIA7905PI
C210
47p
C208
47p
D990
MC2838-T112-1
CL902
CL901
0
R266
0
R264
0
R262
0
R260
0
R258
0
R256
0
R254
0
R253
0
R230
C212
100
10V
CL211
CL212
CL213
CL214
CL215
CL216
CL217
CL218
CL219
CL220
CL221
CL222
CL223
CL247
CL246
CL245
CL242
CL233
CL232
CL231
CL230
CL229
CL228
CL227
CL226
CL224
D993
MC2840-T112-1
D994
MC2840-T112-1
C904
3300
25V
D941
D5SBA60-F
SUB POWER
TRANSFORMER
T902
CNP901
3P
LIVE
NEUTRAL
6.8k
R991
15k
R990
F940
T3.15A 250V
CL903
F941
T3.15A 250V
C998
1000
25V
Q201
ISA1602AM1-T111-1EF
Q202
VIDEO DETECT
VIDEO DETECT
2SC3052EF-T1-LEF
C219
1
1k
R234
22k
R232
10k
R233
100
R235
22K
R236
4.7k
R200
J211
1
2
3
4
5
4P
CN906
NC
1
R3 AC (Yellow)
CENTER
R3 AC (Green)
D202
DA2J10100L
D901
DA2J10100L
47k
R202
47k
R203
CN271
14P
NC
COMP_SW2
V_MUTE_1
VSEL_1
VSEL_2
VIDEO2
VIDEO2_VGND
COMP_DET
STOP
POWER_RY
+5V_STBY
+3.3V STBY
VERSION
MODEL
R201
D203
1SR154-400TE-25
D204
MC2838-T112-1
47
C203
25V
47
C204
25V
C205
0.1
C215
0.1
C217
0.1
C218
0.1
C232
0.1
C233
0.1
C235
0.1
C943
0.1
C950
0.1
C951
0.1
R902
33
C201
0.1
C202
0.1
C940
0.047
C941
0.047
C944
0.1
1
3
4
8
6
CL248
CL249
CL210
CN904
7P
+13V
+13V
NC
R3_GND
R3_GND
+4V_DCDC
+4V_DCDC
1
2
3
4
5
6
7
+5V REG
IC201
-5V REG
IC202
INPUT SELECT
IC210
NJM2586AM
IC220
COMPONENT
VIDEO SELECT
IC220
SAT/CATV
(IN 2)
BD/DVD
(IN 1)
COMPONENT VIDEO
ASSIGNABLE (INPUT ONLY)
VIDEO
VIDEO OUT
VIDEO
VIDEO IN
J210
SAT/CATV
VIDEO IN
MONITOR
VIDEO OUT
MONITOR
OUT
Y
P
B
P
R
Y
P
B
P
R
Y
P
B
P
R
~ AC IN
*
R201
0
(US, CND)
2.2k
(TW, UK, AUS, ECE)
*1
F901
T6.3AL
250V
(TW)
T3.15AL
250V
(UK, AUS, ECE)
8A,
125V
(US, CND)
*
*1
(EXCEPT US, CND)
(CHASSIS)