SCH07 AC
All Ref.No. has been described in the parts list are four digits.
But there are less than four digits of printed Ref.No. on the PCB, and they have become four digits after the header by adding "0" in the parts list.
GND LINE
POWER- LINE
POWER+ LINE
Rch SIGNAL
Lch SIGNAL
STBY POWER
To Power PWB
N8101
to SMPS600
To Power PWB
N8601
To Power SW PWB
N8901
to Inductor UNIT
N8852
8U-210238-3
POWER
To SPK PWB N6601
From Ma
in T
rans
To UCOM PWB N1003
1
2
14
13
12
11
15
1
2
3
1
L
2
L
Vcc
2
G_FIN
3
NF
5
VO2
4
VO1
1
1 +12V
2 D_GMD
3 -12V
4
NC
1
S2
2
S2
3
S3
4
S3
5
S3
1
2
3
4
5
12 NC
11 PROT_2
10 L_GND
9 +24V
8 +3.3VD
7 +12V
6 P_DOWN
5 POW_1
4 POW_2
3 D_GND
2 +5VL
1 +3.3VL
1
2
1
2
3
4
3
4
1
N
2
L
1
2
1
L
3
N
1
L
3
N
4
8
3
7
1
2
6
5
9
R8502
0.68UF/4.7ohm
C8802
0.01
C8801
0.01
C8501
470/16
N8802
2P-VHw
C8502
3300/16
C8503
1/50
Q8602
2SC4883(O/Y)
Q8504 KRC102S
R8604
10
0
Q8501
2SC5810
C8602
22
0/35
Q8502
2SC5810
Q8503 KRC102S
C8509
330/16
BA33B00FP
U8501
C8508
100/16
C8504
100/16
C8704
0.1
IN
OUT
NJM7812FA
U8701
4P-EH(IM)
N8701
C8703
0.1
IN
OUT
NJM7912FA
U8702
C8706 0.1
C8705 0.1
D8509
1SS355
D8510
1SS355
R8508
10K
R8510
10K
12K
R8511
12K
R8509
R8503
33K
33K
R8507
56K
R8506
22K
R8504
8.2K
R8505
C8506
0.1
C8507
0.1
C8505
0.1
5P-VH
N8601
R8703
0.68UF/4.7ohm
R8701
1(1W)
R8702
1(1W)
C8701
470/25
C8702
470/25
00M51100308M9
Z8702
SCREW
00M009D267010
HEAT-SINK
Z8701
R8602
0.68UF
/4.
7ohm
C8601
2200/35
L-GND
D8706
1SS355
D8705 1SS355
D-GND
D-GND
+24V
12P-PH
N8501
4.7K
R8
551
4.7K
R8
552
4.7K
R8553
KTC3875S
Q8601
KT
C3875S
Q8552
KT
C3875S
Q8553
D-GND
10K
R8
554
Q8551 KRC102S
D-GND
KRA102S
Q8
554
D8553
1SS355
+3.3VD
Q8555 KRC102S
D-GND
KT
C3875S
Q8556
R8555
10K
POW_1
D8552
1SS355
+8V
L-GND
D-GND
Z8501 GND-TERMINAL
SHOR
T
J8501
SHOR
T
J8502
D-GND
C8553
OPEN
L8502
BLM18HG102SN1D
L8501
BLM18HG102SN1D
L8504
BLM18HG102SN1D
L8512
OPEN
L8505
BLM18HG102SN1D
L8511
BLM18HG102SN1D
L8506
BLM18HG102SN1D
L8503
BLM21PG221
L8509
BLM21PG221
L8510
BLM21PG221
L8508
BLM21PG221
L8507
BLM21PG221
L8701
BLM21PG221
L8702
BLM21PG221
L8703
BLM21PG221
C8707
220/25
C8708
220/25
+8V
C8711
0.1
C8713
10/50
D8710
1SS355
C8716
470/16
C8710
0.1
+3.3VD
C8714
0.1
C8712
10/50
IN
OUT
BA033T
U8704
C8715
0.1
D870
8
1S
S355
D870
9
1S
S355
S1M
D8506
S1M
D8505
S1M
D8502
S1M
D8503
S1M
D8501
S1M
D8507
S1M
D8508
S1M
D8504
S1M
D8602
S1M
D8601
S1M
D8604
S1M
D8603
S1M
D8701
S1M
D8702
S1M
D8703
S1M
D8704
POW_1
D-GND
C8552
OPEN
D8554
OPEN
FTR
-F2PM006T_TV
-8
S8802
FTR
-F2PM006T_TV
-8
S8801
N8803
2P-VHw
C8510
OPEN
C8554
OPEN
C8555
OPEN
C8709
47/16
C8603
22
0/35
PROT_2
D8711
1SS355
IN
OUT
NJM7808FA
U8703
D8551
UDZS7.5B
D8511
UDZS11B
N8801
2P_L=130_VAR-SDN
N8804
2P_L=440_VAR-SDN
R8605
1
10
0K
R8556
C8556
0.0
1
KT
A1504S
Q8557
H8611
H8612
T1.6AL/250V
F8610
C8551
47/16
SUB_TRANS(N)A363
T8501
R8603
47
0
9B
N8801
N8802
MainTrans1
MainTrans2
N8601
N8501
N8701
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
15