Service Manuals, User Guides, Schematic Diagrams or docs for : ONKYO Audio PA-MC5500 hfe_onkyo_pa-mc5500_service
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PA-MC5500
Ref. No. 4191
022010
SERVICE MANUAL
9-Channel Amplifier
MODEL PA-MC5500
Black model
BMDC 120V AC, 60Hz
BMMP
220-240V AC, 50/60Hz
BMMR
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
PA-MC5500
SERVICE PROCESURE
1. Replacing the fuses
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse, For fuse rating, refer to
the marking adjacent to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
REF NO. PART NAME DESCRIPTION PART NO. REMARKS
F6601 FUSE 20A-UL-250V 252304GR !
F6602 FUSE 20A-UL-250V 252304GR !
F6603 FUSE 20A-UL-250V 252304GR !
F6604 FUSE 20A-UL-250V 252304GR !
F9100 FUSE 6.3A-SE-EAK FUSE 252079GR !
F9100 FUSE 12A-UL-ST6 252340GR !
F9100 or FUSE 6.3A-SE-TL250V 252279GR !
F9301 FUSE 3.15A-UL/T-233 252323GR !
F9301 or FUSE 3.15A-T/UL-ST2 252256GR !
F9401 FUSE 3.15A-UL/T-233 252323GR !
F9401 or FUSE 3.15A-T/UL-ST2 252256GR !
F9402 FUSE 3.15A-UL/T-233 252323GR !
F9402 or FUSE 3.15A-T/UL-ST2 252256GR !
: Canadian model
: European model
: Chinese model
2. Safety check out
(U.S.A. model only)
After correcting the original service problem, perform the following safety check before releasing the unit to the customer.
Leakage current Check
Measure the leakage current to a known earth ground (water pipe or conduct etc.) by connecting a leakage current
tester between the earth ground and exposed metal parts of the unit (input/output ground terminals, screw heads or metal overlays etc.).
Plug the power supply cord directly into a 120Vac 60Hz wall socket and turn ON/STANDBY button on.
Any current measured must not exceed 0.5mA.
3. To initialize position
Power Switch ON (Pull out the power cord at power on stage)
4 ohm / 6 ohm 6 ohm
Auto Power Down PA-MC5500 MMP: ON
Others: OFF
Input selector Unbalance
PA-MC5500
ADJUSTMENT PROCESURE
1. Adjustment of Idling current
Set the voltage point at P6070 to P6078 to 3.0mV by adjusting R6040 to P6048,
under the conditions of no input signal and no load, immediately after power ON.
L / C/ R / SL / SR / SBL / SBR / LH / RH
Below 3mV 3mV
Between 3 to 4mV Leave it as it is.
Over 4mV 4mV
Re-adjust by following procesure after 4 to 6 munis of heat running.
NOTE:
Set R6040 to R6048 to minimum position before power ON.
Equip series 1/4W 100-ohm resistor near the terminal respectively in the each poles.
Component side view from soldering side
2SA
2SA
P6065
2SA
2SA
P6060
P6067
P6063
P6075 P6073 P6077 P6070
LH 1 L
SL P6340C SBL
BCAMP-0192
P6340B R6093 R6097
25140192
L6013
R6095
L6017
P6340A
L6010
L6015
P6033A
R6090
P6037A
P6035A
P6030A
R6085
R6180
L6005
R6185 R6183
P6240D P6240C P6240B P6240A C6040
R6187
C6043
R6190
C6045 C6047
R6195 R6197 Q6070
PUR BLU R6193 BRN WHT
Q6075 Q6077 D6000
Q6073
D6005 J6032
R6083
D6007
R6400
R6215 D6003 R6210
R6175 R6213 R6217 R6170
R6080
R6410
L6000
R6407
R6415
L6003
R6405
R6177
R6417
R6403
R6235 R6230
R6413
R6173
L6007
R6237
R6087
R6233
J6042
JL6042A
2SC
P6055
2SC
2SC
P6050
2SC
P6053
P6057
R5040
D5000
R5070
Q5020
R5060
C5000
R5290
R6030 R5260 R5090
R6050 R5010
R5000
C5040
R5250
C5010
R6060
Q5010
Q5000
R5030
R6110
C6000
C6010
C5110
C5020
R5050
P5010A
R5020
R5130
R5360
R5110
R5120
Q6020
Q6040
Q6010
Q6030
R6310
Q5070
Q5060
R5370
R5140
R5300
C5120
C5130
R6040
Q5040
R6280
R5240
Q5030
BIAS
R5330
C5100
R5170
R5230
C6020 L/SL/SBL/LH
R6270
R6070
C5070
R5150
P5020A
C5080
R5180
R5160
R5210
R5220
R5280
J5140
R6020
R6300 R6260 R6290 R6250
R6010
25140226C P6010A
Q6100 2 Q5050
Q6110 BCCLA-0226 Q5080
TTC TTA 2SA 2SC J5130
J5190
P6030B
PA-MC5500
EXPLODED VIEWS-1
A557
A203 x 3 pcs.
A261 x 5 pcs. A257
x 41 pcs. A553
A291 A183
U00600
U00611 A189 Refer to A551
A147 in
EXPLODED VIEWS-2
U00605
A270 U00602 A561
x 2 pcs. U00610 U00608
U00604
P9000 A298 U00607
U00606 A559
A255 U00609 A555
x 6 pcs.
U00603
U0051
A173
x 3 pcs.
A175 A321
x 2 pcs. U0050 x 2 pcs. U0053 A301
P9008 A357
A165 A321
x 2 pcs. x 3 pcs. U0054 A359
P6800 A325
x 18 pcs. x 3 pcs. A331
A181 F9100 A311
F9401
U0056
U0041 F9402 A163 A335
A205
x 4 pcs. x 8 pcs. A359
A355
A165 x 2 pcs.
A251 A149
x 10 pcs. U0055
A353
x 2 pcs. A351 A337
U00601 A151
A169 A157 A333
A170 A159
x 8 pcs.
A327
A153 x 3 pcs.
A165
PA-MC5500
x 4 pcs.
x 3 pcs.A193
x 2 pcs. A155
A125 A201 x 4 pcs.
x 8 pcs. A171 A161
x 3 pcs. A195 A199
x 5 pcs. x 4 pcs.
PA-MC5500
A247 A115
EXPLODED VIEWS-2 A009 A031 A283
A281 x 2 pcs.
x 4 pcs. x 2 pcs. N
KY
O
O
x 10 pcs.
A101
Q6062
Q6066 A105
A033 A279 x 2 pcs.
Q6064 x 2 pcs.
U0014 Q6068 A103
A111 x 2 pcs.
Q6061 x 8 pcs. A113
A009 A029 A109 x 4 pcs.
x 8 pcs. U0020 T901
Q6061A A119
U0013 Q6052 A304 x 2 pcs.
A007 A121
Q6060 x 4 pcs. Q6056 x 2 pcs.
A005 Q6054 A293 A001 T902
Q6067 x 4 pcs. Q6058 A087
U0021 Q6051
A303
A123
Q6063 A085
A294 A295
Q6065 x 2 pcs. x 11 pcs. A019 x 3 pcs.
A007 A288 x 8 pcs.
x 4 pcs. x 11 pcs.
Q6050 A292 Q6060A Q6051A A075
A005 A303 x 3 pcs. A083
x 4 pcs. Q6057 A017
Q6053 A089
Q6055 A305 A287 A285
A027 x 2 pcs.
A025
A077
Q6050A x 2 pcs.
A021
F6601 A073 A079
A023 x 4 pcs.
F6602 U0038
A039
F6603 U0031 x 9 pcs. A069 U0052 A061 A081 P062
A003 U0032 x 4 pcs. x 4 pcs.
F6604 A013 A011 U0034 U0036 A071
x 4 pcs. x 2 pcs. U0037 A049 x 4 pcs.
U0035 A089
U0012 U0033 F9301 A207
A261 U0030 x 4 pcs.
x 2 pcs. A059 A065
A037 P061
A051 x 4 pcs.
x 12 pcs. A053
A043 A063
U0010 x 3 pcs.
U0011
PA-MC5500
A045 A055
x 2 pcs. A207
x 4 pcs. A126 A057
A041 A127 x 8 pcs. x 3 pcs.
PA-MC5500
SCHEMATIC DIAGRAMS-1
BLOCK DIAGRAM
8
3
1
1 2
1
3
3 8 9 FL 1
2
10
2
+29dB
4
4
1
5 4 2
+
3 FRONT LEFT
+
3
2
12 1 3
4
+
4
1
5
1
3
+
2 6
8
3
2
1 2
4
1
3 8 9 FR 7
2
10 A GND
+29dB
4
5 4 +15V
8 +18V 1 3
3 FRONT RIGHT I O
G
PowerAMP
+
+
12 1
2
+
2
9
+
OP amp
4 1
+
3
+
+
2
Center Trans.
10 1 3
G
I O
-18V
8
3 2 -15V
1 2
3
2
1
8 9 C
11
1
+12V
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