17.6. (I) Power Circuit
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
4
6
8
7
5
3
9
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
4
3
CN501
CN500
-9V
+9V
MOT10V
LED 9V
SW5V
CD8V
uP GND
D GND
P GND
TO
MAIN
CIRCUIT
(CN300) ON
SCHEMATIC
DIAGRAM-8
TO
MAIN
CIRCUIT
(CN301) ON
SCHEMATIC
DIAGRAM-8
POWER CIRCUIT
SCHEMATIC DIAGRAM - 12
: +B SIGNAL LINE
: -B SIGNAL LINE
: MAIN SIGNAL LINE
FAN
DC_DET
MUTE_H
+15V
LCH
RCH
LO_L
LO_R
T GND
A_GND
FULL
RANGE
SPEAKER
R251
150K
R451
150K
Q514
Q514
B1AAGC000007
HEADPHONE
MUTING SWITCH
D513
B0AACK000004
R502 22K
C503
1000P
C502
6.3V220
R506
100K
Q512
Q513
Q512~Q513
B1AAGC000007
DC DETECT SWITCH
R504
47K
VCC+
VCC-
ACIN
SUB B
SUB+B
GND
R503
12K
R505
47K
R509
330
R508
330
R507
330
R524
2.2
Q501
Q501
KTC2026
10V VOLTAGE REGULATOR
C507
16V10
D502
B0BA01500003
C508
16V10
AC GND
C540
63V2200
C520
63V2200
C_GND
C504
0.01
R514
3.3K
FP533
400
C530
0.18
C505
16V100
D501
B0BA9R600002
R515
27
R516
15
R513 3.3K
C506
0.01
Q502
Q505
R512
2.7K
R510
2.7K
R511
560
R517 2.7
R518 2.7
R519
2.7
R520
2.7
R521 2.7
R522
3.3K
R523
470
C510
25V100
Q503
C513
25V10
D503
B0BA01400041
R527
2.2
R526
2.2
R525
2.2
R528
10K
C511
0.01
Q506
Q502
KTA1046
VOLTAGE SUPPLY SWITCH
Q506
B1GCCFGA0005
CURRENT LIMITING SWITCH
(SHORT CIRCUIT PROTECTION)
Q504
Q504
KTA1046
CURRENT STABILISER
SWITCH
R530
1.2K
Q507
Q507
KTC3199GRTA
10V VOLTAGE REGULATOR
E500
JK952
H950/
W950
R529
330
C512
25V33
D509
B0BA9R600002
D504
B0AACK000004
D505
1T3T
C509
0.01
D504
D507
1T3T
R531
2.2K
R532
150
D508
B0BA5R600016
C514
0.01
Q508
Q508
B1AAKD000009
5V VOLTAGE REGULATOR
TO
TRANSFORMER
CIRCUIT
(CN950) ON
SCHEMATIC
DIAGRAM-11
Q503
KTC2026
15V VOLTAGE REGULATOR
D508
D501
Q505
KTA1267GRTA
CURRENT CONTROL SWITCH
R447
5.6K
IC501
RSN35H2A-P
HIC
C441
15P
C240
470P
R546
56K
R448
15K
R246
15K
R545
56K
C440
820P
C442
470P
GND_L
GND_R
SPKR_R_GND
SPKR_L_GND
OUT_L
OUT_R
R455
10
R255
10
C447
0.1
C444
0.1
C244
0.1
C246
0.1
R449
68K
R445
5.6K
C446
50V1
R247
5.6K
C248
50V1
R501
10K
C450
15P
R250
68K
C242
820P
C501
0.01
C521
100V10
R450
330K
C443
100V10
-IN_R
+IN_R
IN GND
+IN_L
-IN_L
GND
-VCCM
MUTE C
AC DET
LA
TCH
-VCC
VCC
OUT_R
OUT_L
IC501
+
-
-
+
R454
10
R254
10
L202
L402
C249
4700P
C448
0.01
C247 0.047
C449 0.047
E501
R245
5.6K
L202, L402
G0AR76Y00001
62
SA-AK220E / SA-AK220EB
Summary of Contents for SA-AK220E
Page 4: ...1 Caution for AC Mains Lead 4 SA AK220E SA AK220EB ...
Page 10: ...9 Operation Procedures 10 SA AK220E SA AK220EB ...
Page 83: ...22 Troubleshooting Guide 83 SA AK220E SA AK220EB ...
Page 85: ...23 1 Deck Mechanism RAA4502 S 23 1 1 Deck Mechanism Parts Location 85 SA AK220E SA AK220EB ...
Page 86: ...86 SA AK220E SA AK220EB ...
Page 89: ...89 SA AK220E SA AK220EB ...
Page 91: ...23 3 Cabinet 23 3 1 Cabinet Parts Location 91 SA AK220E SA AK220EB ...
Page 92: ...92 SA AK220E SA AK220EB ...
Page 93: ...93 SA AK220E SA AK220EB ...
Page 103: ...23 6 Packaging 103 SA AK220E SA AK220EB PRT0403 D K J N L ...
Page 104: ......