Pc Board - Onkyo PA-MC5500 Service Manual

A B
SCHEMATIC DIAGRAMS-4
AMP 4 (Power supply, Protect, etc) SECTION
1 C
2
3 SR
1
4
5 RH
6
7 SBR
8
9 R
10
1 L
2
3 SBL
4
5 LH
6
7 SL
8
2 1
FAN
R6563
2SC1815
1.2K
Q6560
Q6561
R6560
2SA950
4.7K
R6562
1.8K
1
2
R6553
2SC1815
1.2K
Q6550
3
Q6551
R6550
2SA950
4.7K
R6552
1.8K 2
1
220/25
C6222
R6223
1
5.6K
11
10 GNDDG
9 +3.3VDG
4 8 THERMAL_1
7 THERMAL_2
6 VPROTECT
5 IPROTECT
4 VOLH
3 SEC1H
2 SEC1M
1 FANCTRL
GND_12V
3
2 +12V
1
+12.5V
1 S1H+
2 S1H-
3 S1M+
4 S1M-
5 S1L+
5
6 S1L-
7 GND_AMP
C
1
2
3
330/16
1
C6701
+
Q6701 2
D6701 NC
2SC240-BL 1SS133 3
R6721
2SC2240-BL
D6702
Q6702
1SS133
2SA970-BL
Q6713 IPRO
33K 22K
VPRO
R6714 R6716
VOLH
MTZJ3.3B
C6713
D6713
223J
1/50
R6712
10K +
C6714
2SA970-BL
Q6703
33K 22K
R6704 R6706
MTZJ3.3B
D6703
1/50
C6703 3
+
223J C6704
R6701
2
R6702 10K 22K
1
1
2
2SC1740S
Q6601
3
R6601 4.7K
3
1K R6602
F6601A
2
R6603
F6601B
22 (1/2W)
1
RL6611
2SC1740S
Q6611
RL6612
5 5 1
4 4
R6611 4.7K F6602A
3 3 2
2 2 1K R6612 F6602B
1 1 3
R6613
22 (1/2W)
F6603A
F6603B
F6604A
F6604B
F6601 to 6604
20A 250V
U0012 AMP RELAY PC BOARD
D E
U0010
C6901 C6902 MODEL
22000u/75v 5500,70.1
PROTECT
3 TO POWER AMP
2 (Part-3)
1
TO POWER AMP
R side
+60V
4
5 #18
1
RL6601
P6601I
6
P6601H
4
#18
1
6
1 HI-B
RL6602
5
P6601G
#18
4
4
5
1
P6601F
6 4
#18
1
6
1 MID-B
P6601E
5
#18
4
1
P6601D
2
#18
1
4
7
3
6
1
5
P6601C
4 #18
LO-B
3
2
1 Trans center tap
U0011
MODEL
ALL AMP DIODE

PC BOARD

BAAF-0182
BAPS-0181
F G
AMP POWER SUPPLY PC BOARD BAAF-0180
1 1
(Part-3)
L side
P6340
1
2 2
P6400 BUS PLATE
U0013 THERMAL
SENSER-1
PC BOARD
BAETC-0183
Q6381
LM61CIZ
1 3
G V
3 3
JL6403A
BAETC-0184
Q6380
LM61CIZ
1 3
G V
JL6402A
U0014
THERMAL SENSER-2
PC BOARD
PA-MC5500
H
inputC 3 1
GND_inputC 2 2
GND_NFC 1 3
2SC1740S-S
Q6002
P5022B
1
P5032B
C
1
inputSR 3 1
GND_inputSR 2 2
GND_NFSR 1 3
2SC1740S-S
Q6004
1 P5024B
P5034B
SR
1
inputRH 3 1
GND_inputRH 2 2
GND_NFRH 1 3
2SC1740S-S
Q6008
1 P5028B
P5038B
RH
1
inputSBR 3 1
GND_inputSBR 2 2
GND_NFSBR 1 3
2SC1740S-S
Q6006
1 P5026B
P5036B
SBR
1
inputR 3 1
GND_inputR 2 2
GND_NFR 1 3
2SC1740S-S
Q6001
P5021B
1
P5031B
R
1
inputL 1 3
GND_inputL 2 2
GND_NFL 3 1
2SC1740S-S
Q6000
P5020B
1
P5030B
L
1
inputSBL 1 3
GND_inputSBL 2 2
GND_NFSBL 3 1
2SC1740S-S
Q6005
1 P5025B
P5035B
SBL
1
inputLH 1 3
GND_inputLH 2 2
GND_NFLH 3 1
2SC1740S-S
Q6007
1 P5027B
P5037B
LH
1
inputSL 1 3
GND_inputSL 2 2
GND_NFSL 3 1
2SC1740S-S
Q6003
1 P5023B
P5033B
SL
1
BAAF-0180