Pioneer VSX-C300 Service Manual Download Page 46

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VSX-C300

LIST OF PCB ASSEMBLIES

FM/AM TUNER MODULE

AXQ7231

NSP

COMPLEX 1 ASSY

AWM7579

SW ASSY

AWX7904

TRANS 2 ASSY

AWX7907

OPT-IN ASSY

AWX7908

POWER ASSY

AWX7910

2P JACK ASSY

AWX7926

VIDEO ASSY

AWX7928

NSP

COMPLEX 2 ASSY

AWM7580

NSP

LED ASSY

AWX7913

ENCODER ASSY

AWX7914

FRONT INPUT ASSY

AWX7916

DSP ASSY

AWX7937

FRONT ASSY

AWX7933

FM/AM TUNER MODULE

SEMICONDUCTORS

IC201

BA1451F

IC202

LC72131MD

Q201, Q204, Q205

2SC2412K

Q202

DTA124ES

Q203

DTC124EK

D201

1SS133

D202

MTZJ5.1C

COILS AND FILTERS

L201

FM DETECTOR COIL

ATE7003

F202

CERAMIC FILTER

ATF-107

F201

CERAMIC FILTER

ATF-119

F203

AM CERAMIC FILTER

ATF7026

CAPACITORS

C212, C213, C226, C233-C235

CCSRCH101J50

C240

CCSRCH101J50

C206

CCSRCH100D50

C231, C232

CCSRCH150J50

C223

CEAT100M50

C229

CEAT101M10

C224

CEAT1R0M50

C227

CEAT220M25

C241

CEAT2R2M50

C243

CEAT330M16

5. PCB PARTS LIST

NOTES :

Parts marked by “ NSP ” are generally unavailable because they are not in our Master Spare Parts List.

The

mark found on some component parts indicates the importance of the safety factor of the part.

Therefore, when replacing, be sure to use parts of identical designation.

When ordering resistors, first convert resistance values into code form as shown in the following examples.
Ex. 1

When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by
J = 5%, and K = 10%).
560

Ω

561 ................................................... RD1/4PU

47k

Ω

473 .................................................. RD1/4PU

0.5

Ω

R50 ...................................................................... RN2H

Ω

1R0 ......................................................................... RS1P

Ex. 2

When there are 3 effective digits (such as in high precision metal film resistors).
5.62k

Ω

562

5621 ........................................... RN1/4PC

Mark No. Description Part No.

C228

CEAT3R3M50

C237

CEAT470M10

C211

CEJA1R0M50

C210

CEJA470M16

C204, C238, C602

CKSRYB102K50

C101, C102, C208, C220

CKSRYB103K50

C239, C242, C601

CKSRYB103K50

C225, C216, C217

CKSRYB153K50

C201, C205, C214, C230, C236

CKSRYB223K50

C209

CKSRYB223K50

C221

CKSRYB224K10

C603

CKSRYB223K50

C215

CKSRYB681K50

C202, C222

CKSRYB473K16

RESISTORS

R211

RD1/4PU221J

R221

RD1/4PU222J

R233

RD1/4PU391J

R243

RD1/10S0R0J

R103

RS1/10S331J

R104

RS1/10S391J

OtherResistors

RS1/16S

&&&

OTHERS

CN201

13P SOCKET

52044-1345

BN201

4P ANTENNA TERM.

AKA7003

SHIELD CASE T

ANK7072

SHIELD CASE B

ANK7073

X201

CRYSTAR RES.(7.2MHz) ASS1093

FM FRONT END

AXF7003

AM RF TUNING BLOCK

AXX7071

Summary of Contents for VSX-C300

Page 1: ...ORMATION 51 7 1 DIAGNOSIS 51 7 1 1 Test Mode 51 7 1 2 Protection of the Amplifier Line 52 7 1 3 Operation of the Fan Control Line 53 7 1 4 Specifications of Speaker Detection 54 7 1 5 Timing Chart 55 7 2 PARTS 56 7 2 1 IC 56 7 2 2 DISPLAY 62 8 PANEL FACILITIES AND SPECIFICATIONS 64 T ZZR SEPT 2001 Printed in Japan AUDIO VIDEO MULTI CHANNEL RECEIVER VSX C300 STANDBY PHONES VIDEO AUDIO DIGITAL IN FR...

Page 2: ... evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual...

Page 3: ...uctions ARB7248 English PACKING PARTS LIST Mark No Description Part No 2 EXPLODED VIEWS AND PARTS LIST NOTES Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to mark o...

Page 4: ...6 37 36 36 28 29 15 29 1 2 5 27 12 13 47 14 16 20 E 22 17 4 3 8 6 36 11 36 36 33 43 43 43 36 48 10 36 36 36 40 Refer to 2 3 FRONT PANEL SECTION 26 30 22 38 42 36 31 23 44 E A M J B C D L 36 21 32 34 41 45 51 52 45 45 25 54 39 39 38 7 19 45 49 18 46 50 53 53 2 2 EXTERIOR SECTION ...

Page 5: ...0 BD 60V ADD7292 DSP CN804 FRONT CN203 NSP 23 Under Base ANA7129 24 Rear Panel ANC8017 25 Bonnet Case S Box AZN7886 26 PCB Support AEC7365 27 DC Fan Motor AXM7017 NSP 28 Heat Sink HL ANH7144 29 Damper BK AEB7231 NSP 30 Trans Stabilizer ANG7362 EXTERIOR SECTION PARTS LIST Mark No Description Part No Mark No Description Part No 31 Rubber Cushion AEB7235 32 Insulator 50 Assy AMR7379 33 Screw With Was...

Page 6: ...6 VSX C300 2 3 FRONT PANEL SECTION 9 7 10 16 17 17 5 13 4 2 12 22 21 14 25 18 6 24 3 16 20 16 8 15 23 16 16 16 1 11 F H G K I ...

Page 7: ...CN4202 ÔDSP CN1702 9 Name Plate VAM1129 10 Standby Lens AAK7902 11 LED Lens AAK7903 12 Volume Knob P Assy AAB7239 13 Power Button AAD7630 14 Volume Cap AAC7032 15 FFC J4201 23P ADD7293 Front CN4201ÔPower CN303 16 Screw BPZ30P080FMC 17 Screw FE ABA7009 18 Display Panel AAK7904 19 20 FFC J4101 11P ADD7336 Front input CN4101ÔPower CN304 21 Volume Mold AAC7033 22 Front Panel AMB7776 23 FFC J803 7P ADD...

Page 8: ...C801 AK4112AVF DIR A D SELECTOR IC1104 PDN031D ROM for DECODE IC1106 CS493292 DSP for DECODE IC1201 AK7706VT DSP for DELAY IC1203 TC551001CFT 70 RAM for DELAY IC1202 TC74VHCT244AFT 3 5V CONVERTER 8 16 bit CONVERTER IC1101 TC74VHC574F IC1102 TC74VHC574F IC3201 NJM2296M VIDEO FUNCTION SELECTOR IC1301 IC1303 NJM4558MD LPF 6dB AMP CN803 CN4101 CN901 CN801 CN2201 CN701 CN304 CN1501 CN301 7 1 1 7 F FRON...

Page 9: ...D 5 6 7 8 5 6 7 8 9 VSX C300 J POWER ASSY 3 3 F FRONT INPUT ASSY 3 3 IC1401 TC9164AF SP Config IC1501 M62446FP ELECTRIC VOLUME PHONES IC1502 IC1504 UPC4570G2 PRE AMP IC1306 IC1402 IC1405 NJM4558MD MIX AMP LPF ...

Page 10: ... ADG7022 DC FAN MOTOR AXM7017 T1 POWER TRANSFORMER ATS7317 J 1 2 J 2 2 POWER ASSY AWX7910 J FRONT ASSY AWX7933 G LED ASSY AWX7913 H TRANS 2 ASSY AWX7907 L TRANS 1 ASSY AWX7906 M SW ASSY AWX7904 K FRONT INPUT ASSY AWX7916 F AKP7032 3 2 OVERALL WIRING DIAGRAM ...

Page 11: ... B VIDEO ASSY AWX7928 E FM AM TUNER MODULE AXQ7231 SUPPORT ASSY A ENCODER ASSY AWX7914 I 2P JACK ASSY AWX7926 C OPT IN ASSY AWX7908 D TH9014 THERMISTOR AEX7004 CN201 Note When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST ...

Page 12: ...A B C D 1 2 3 4 1 2 3 4 12 VSX C300 3 3 FM AM TUNER MODULE A FM FRONT END MW RF TUNING BLOCK FM AM TUNER UNIT MODULE AXQ7231 A OSC 980 2150kHz 10k step AM AM AM AM AM AM FM FM FM FM FM FM FM FM FM FM ...

Page 13: ...X C300 A 1 5 B CN803 L201 ATE7003 PLL IC AM FM IF MPX IC ATF7026 AUDIO SIGNAL ROUTE TUNER TX AM SIGNAL ROUTE AM FM SIGNAL ROUTE FM AM AM FM AM AM AM AM AM AM FM AM FM TX TX TX TX TX FM The power supply is shown with the marked box ...

Page 14: ... 4 1 2 3 4 14 VSX C300 Audio Function Selector B 1 5 DSP ASSY AWX7937 2P JACK ASSY AWX7926 C CN901 D 4 5 B 5 5 B 4 5 B CN3201 E TX TX TX TX TX D D D D D D D D D D D D D D D D D 3 4 DSP 1 5 and 2P JACK ASSYS 1 5 B C ...

Page 15: ... 2 5 B 3 5 B 5 5 B 4 5 B CN201 A FL AUDIO SIGNAL ROUTE Front L ch TX AUDIO SIGNAL ROUTE RL AUDIO SIGNAL ROUTE Rear L ch SW AUDIO SIGNAL ROUTE Sub Woofer C AUDIO SIGNAL ROUTE Center AUDIO SIGNAL ROUTE Tuner D AUDIO SIGNAL ROUTE Digital TX TX FL RL SW C FL SW C RL 1 5 B ...

Page 16: ...A B C D 1 2 3 4 1 2 3 4 16 VSX C300 B 2 5 DSP ASSY AWX7937 ROM for DECODE DSP for DECODE 3 5 DSP ASSY 2 5 2 5 B ...

Page 17: ...A B C D 5 6 7 8 5 6 7 8 17 VSX C300 1 5 B 5 5 B DSP for Delay RAM for Delay 3V 5V Converter AUDIO SIGNAL ROUTE 2 5 B ...

Page 18: ...A B C D 1 2 3 4 1 2 3 4 18 VSX C300 3 6 DSP ASSY 3 5 3 5 B SP Config B 3 5 DSP ASSY AWX7937 1 5 B 5 5 B 1 5 B FL FL FL FL FL FL FL FL FL RL RL RL RL RL RL RL RL SW SW SW SW SW C C C C SW C ...

Page 19: ... 5 6 7 8 19 VSX C300 3 5 B 4 5 B FL AUDIO SIGNAL ROUTE Front L ch RL AUDIO SIGNAL ROUTE Rear L ch SW AUDIO SIGNAL ROUTE Sub Woofer C AUDIO SIGNAL ROUTE Center FL FL FL FL FL RL RL RL RL RL RL SW C SW SW SW SW C C C C ...

Page 20: ...A B C D 1 2 3 4 1 2 3 4 20 VSX C300 Electric Volume B 4 5 DSP ASSY AWX7937 1 5 B 5 5 B 3 5 B FL FL FL FL FL FL FL RL RL RL RL RL RL SW SW SW SW SW SW C C C C C C 3 7 DSP ASSY 4 5 4 5 B ...

Page 21: ... 1 5 B CN301 J 1 2 FL AUDIO SIGNAL ROUTE Front L ch AUDIO SIGNAL ROUTE VIDEO SIGNAL ROUTE RL AUDIO SIGNAL ROUTE Rear L ch SW AUDIO SIGNAL ROUTE Sub Woofer C AUDIO SIGNAL ROUTE Center FL FL FL FL FL RL RL RL RL SW SW SW SW SW SW C C C C C 4 5 B ...

Page 22: ...A B C D 1 2 3 4 1 2 3 4 22 VSX C300 B 5 5 DSP ASSY AWX7937 1 5 B 1 5 B CN302 J 1 2 CN801 B1 5 OPT IN ASSY AWX7908 D D D D D D D D D D AUDIO SIGNAL ROUTE Digital 3 8 DSP 5 5 and OPT IN ASSYS 5 5 B D ...

Page 23: ...A B C D 5 6 7 8 5 6 7 8 23 VSX C300 2 5 B 4 5 B 1 5 B 3 5 B CN4202 G The power supply is shown with the marked box 5 5 B ...

Page 24: ...A B C D 1 2 3 4 1 2 3 4 24 VSX C300 CN802 B 1 5 VIDEO ASSY AWX7928 E VIDEO SIGNAL ROUTE E 3 9 VIDEO ASSY ...

Page 25: ...A B C D 1 2 3 4 1 2 3 4 25 VSX C300 CN304 J 1 2 FRONT INPUT ASSY AWX7916 F D D D D AUDIO SIGNAL ROUTE Digital AUDIO SIGNAL ROUTE VIDEO SIGNAL ROUTE 3 10 FRONT INPUT ASSY F ...

Page 26: ...A B C D 1 2 3 4 1 2 3 4 26 VSX C300 REMOTE RECEIVER UNIT CN303 J 1 2 CN1702 B 5 5 CN804 B 1 5 FRONT ASSY AWX7933 G G 3 11 FRONT LED and ENCODER ASSYS ...

Page 27: ...8 5 6 7 8 27 VSX C300 ENCODER ASSY AWX7914 I LED ASSY AWX7913 H The power supply is shown with the marked box FRONT ASSY S4201 DVD S4202 TV SAT S4203 VCR S4204 TUNER S4205 FRONT ENCODER ASSY S4401 MASTER VOLUM I H G ...

Page 28: ...S355 1SS355 1SS355 J 1 2 POWER ASSY AWX7910 CN1501 B 4 5 CN1601 B5 5 2 2 J CN4201 G DC FAN MOTOR THERMISTOR CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491001 MFD BY LITTELFUSE INK FOR IC302 AEK7009 Front Power Amp Rear Center Power Amp Mute Mute Mute Mute Mute FAN Drive Center SP Det DC Det Over Load Det Over Load Det Over Load Det Over Load Det Over Load ...

Page 29: ...RS HP RY Drive Front RY Drive Rear CenterRY Drive 0V 29V 12V 29V 10 3V 11 6V 40V 12V 6V 6V 5V 5V No Loaded FAN Stop Stereo Voltage Status RL AUDIO SIGNAL ROUTE Rear L ch SW AUDIO SIGNAL ROUTE Sub Woofer C AUDIO SIGNAL ROUTE Center FL D AUDIO SIGNAL ROUTE Front L ch AUDIO SIGNAL ROUTE Digital AUDIO SIGNAL ROUTE VIDEO SIGNAL ROUTE D C C C C C C RL RL RL RL RL RL FL FL FL FL FL FL FL The power supply...

Page 30: ...GAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 49102 5 MFD BY LITTELFUSE INK FOR IC501 and IC502 AEK7014 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 630 MFD BY LITTELFUSE INK FOR IC503 AEK7006 TRANS 1 ASSY AWX7906 M TRANS 2 ASSY AWX7907 L J451 J452 J453 J454 J 1 2 J 1 2 ...

Page 31: ...2 2 5A 125V ATT7057 1SS355 1SS355 11 4 5 6 5 J 2 2 POWER ASSY AWX7910 1 2 J SW ASSY AWX7904 K NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE WITH SAME TYPE AND RATINGS ONLY CAUTION The power supply is shown with the marked box SW ASSY S601 POWER ON OFF ...

Page 32: ... information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector P C Board Chip Part SIDE A SIDE B 4 PCB CONNECTION DIA...

Page 33: ...VSX C300 33 A B C D 1 2 3 4 1 2 3 4 ANP7338 B ANP7338 B CN803 B FM AM TUNER MODULE A FM AM TUNER MODULE A SIDE A SIDE B IC201 Q205 Q204 Q203 IC202 Q201 Q202 A 4 2 FM AM TUNER MODULE ...

Page 34: ...2 Q701 IC703 Q703 Q704 IC702 Q705 IC801 IC802 IC1302 IC1303 IC1502 IC1504 Q1501 Q1502 Q1506 IC1501 Q1507 Q1401 Q1412 Q Q1411 Q1508 IC1301 IC1107 CN901 D CN3201 E CN301 J CN201 A DSP ASSY B 2PA JACK ASSY C SIDE A ANP7395 C 4 3 DSP and 2P JACK ASSYS C ...

Page 35: ... B C D 5 6 7 8 5 6 7 8 B ANP7396 B IC1106 IC1201 Q1401 Q1408 Q1402 Q1412 Q1404 Q1403 IC1402 IC1406 IC1404 IC1601 IC1602 Q1405 Q1406 Q1407 IC1701 IC1203 IC1104 IC1103 Q1411 301 IC1107 CN302 J CN4202 G CN4203 G SIDE A ...

Page 36: ...VSX C300 36 A B C D 1 2 3 4 1 2 3 4 B IC1102 Q1101 IC1105 IC1401 IC1405 IC1403 Q1102 IC1101 IC1202 DSP ASSY B ...

Page 37: ...VSX C300 37 A B C D 5 6 7 8 5 6 7 8 C 02 Q801 Q803 IC701 IC1503 IC803 ANP7396 B SIDE B 2PA JACK ASSY C SIDE B ANP7395 C B ...

Page 38: ...VSX C300 38 A B C D 1 2 3 4 1 2 3 4 J CN1501 B FANMOTOR THERMISTOR J601 J102B J101A J451 K M L M POWER ASSY J IC201 4 4 POWER and SW ASSYS ...

Page 39: ...VSX C300 39 A B C D 5 6 7 8 5 6 7 8 K J J451A J452A J453A CN1601 B L L CN4101 F CN4201 G J454A L L SIDE A IC453 Q452 IC454 IC451 IC452 Q451 ANP7395 C CN201 J SW ASSY K SIDE A ANP7395 C ...

Page 40: ...SX C300 40 A B C D 1 2 3 4 1 2 3 4 K J POWER ASSY J Q401 Q385 Q383 Q306 Q305 Q389 Q387 Q388 Q390 Q402 Q384 Q386 Q404 Q405 Q409 Q406 Q403 Q410 Q381 Q342 Q341 Q302 Q301 Q408 Q407 SIDE B SW ASSY K ANP7395 C ...

Page 41: ...VSX C300 41 A B C D 5 6 7 8 5 6 7 8 J SIDE B Q201 ANP7396 B ...

Page 42: ... CN303 J FRONT ASSY G Q4205 Q4206 Q4208 Q4211 Q4213 Q4212 CN802 B VIDEO ASSY E SIDE A ANP7395 C CN801 B OPT IN ASSY D ANP7395 C J4204 G LED ASSY H ANP7396 B J4205 G ENCODER ASSY I ANP7396 B 4 5 FRONT VIDEO OPT IN TRANS1 and TRANS2 ASSYS D E G H I ...

Page 43: ...VSX C300 43 A B C D 5 6 7 8 5 6 7 8 M L G CN1702 B CN804 B J4205A I SIDE A Q4213 ANP7396 B J102 J101 TRANS 1 ASSY M ANP7395 C Transformer J454 J J J J J451 J452 J453 SIDE A TRANS2 ASSY L ANP7395 C ...

Page 44: ...X C300 44 A B C D 1 2 3 4 1 2 3 4 D E G FRONT ASSY G IC4681 Q4681 Q4683 Q4682 IC4201 VIDEO ASSY E SIDE B IC3201 ANP7395 C OPT IN ASSY D SIDE B ANP7395 C LED ASSY H ANP7396 B ENCORDER ASSY I ANP7396 B H I ...

Page 45: ...VSX C300 45 A B C D 5 6 7 8 5 6 7 8 M L G SIDE B Q4207 Q4202 Q4201 ANP7396 B Transformer TRANS 2 ASSY L SIDE B ANP7395 C TRANS 1 ASSY M ANP7395 C ...

Page 46: ...Therefore when replacing be sure to use parts of identical designation When ordering resistors first convert resistance values into code form as shown in the following examples Ex 1 When there are 2 effective digits any digit apart from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and K 10 560 Ω 56 101 561 RD1 4PU 5 6 1 J 47k Ω 47 10 3 473 RD1 4PU 4 7 3 J 0 5 Ω R50 RN2H Â 5 0 K 1 Ω 1R0 ...

Page 47: ...EAT100M50 C1512 C1517 C1551 C1552 CEAT100M50 C713 C714 CEAT100M50 C1106 C1115 C1203 C1222 C1336 CEAT101M16 C1501 C1521 C1601 C1604 CEAT101M16 C1607 C1610 C1705 C758 C811 CEAT101M16 C832 CEAT101M16 C808 CEAT221M6R3 C1502 C1522 CEAT331M10 C729 C730 C804 CEAT470M25 C826 CEAT471M16 C1124 C829 CEJQ2R2M50 C1301 C1302 C1311 C1314 CEJQ330M10 C1323 C1325 C1335 CEJQ330M10 C1510 C1511 CEJQ3R3M50 C1417 C1418 ...

Page 48: ...No IC451 NJM7812FA IC201 NJM78M56FA IC452 NJM7912FA IC301 STK402 040 IC341 STK402 240 Q386 2SA1037K Q452 2SB1375 Q384 Q385 2SC2412K Q305 Q306 Q345 Q346 Q383 2SC2712 Q403 Q404 2SC2712 Q301 Q302 Q341 Q342 Q381 2SC3326 Q407 Q408 2SC3326 Q451 2SD2012 Q390 Q402 Q405 Q406 DTA124EK Q409 Q410 DTC124EK Q201 Q387 Q389 Q401 DTC143EK D201 D203 D301 D306 1SS355 D341 D346 D381 D386 D401 1SS355 D403 D408 1SS355 ...

Page 49: ...CAPACITORS C4103 C4104 CCSRCH101J50 C4107 C4111 CCSRCH471J50 C4108 CEAT470M25 C4105 C4109 C4117 CKSRYB103K50 C4102 C4106 C4110 CKSRYB104K25 C4112 C4113 CKSRYB223K50 RESISTORS OtherResistors RS1 16S J OTHERS CN4101 11P FFC CONNECTOR 52045 1145 JA4101 3P PIN JACK AKB7098 Mark No Description Part No Mark No Description Part No JA4102 OPTICAL LINK GP1FA502RZ JA4103 HP JACK RKB1014 KN4101 EARTH METAL F...

Page 50: ... SHIELD HOUSING ADX7392 TRANS 2 ASSY SEMICONDUCTORS IC503 PROTECTOR 0 63A AEK7006 IC501 IC502 PROTECTOR 2 5A AEK7014 COILS AND FILTERS F501 F502 DTF1070 CAPACITORS C501 C502 ACH1237 C503 C504 CKSRYB473K50 RESISTORS R501 RD1 4MUF100J R502 RD1 4MUF4R7J OTHERS 504 5P CABLE HOLDER 51048 0500 TRANS 1 ASSY TRANS 1 ASSY has no service part 6 ADJUSTMENT There is no information to be shown in this chapter ...

Page 51: ...er 5 feet STANDARD mode Speaker setting All high volume SW ON All settings other than the above will be returned to the factory preset values 6 FAN ON OFF switch 4 key The fan is turned on or off and rotates as follows Low speed High speed Off 7 Master volume switch 5 key The master volume is switched between minus infinity and 0 dB and each trim is 0 dB When the remote control code is received fo...

Page 52: ...5 seconds or more Power is turned off Yes The program restarts from the beginning No recovery 2 Detection of overload This detection has priority over the abnormality detection of the fan and thermistor If an abnormality has been detected AMUTE is on RELAY is off and the OVERLOAD display is flashing Does the abnormality continue for 5 seconds or more Power is turned off Yes Power is turned off eve...

Page 53: ... starts rotating it continues to rotate at the same speed until the temperature falls to 65 C Once the fan starts rotating it continues to rotate for at least 20 seconds even after the temperature falls to the above mentioned level 4 Detection of abnormalities in the fan If any abnormality is detected in the fan 5 seconds after it starts rotating at high speed and if H abnormal is indicated for th...

Page 54: ... obtained for the second detection a third detection is carried out and the two results that agree will outvote the other If detection fails three times then it is judged that no center speaker is connected Detection of the subwoofer The logic of the signal from the phono jack with a switch is read by the microcomputer to judge whether the speaker is connected or not The signals are read every 1 m...

Page 55: ...200 400 msec 600 1000 1800 2800 3600 4800 5200 msec H ON L or H Control start Detection Full open Control start Control start Control start Reset Last data Last data Last data Last data Last data ON Last data Mute Dummy data Mute OFF AC relay UCOM port A MUTE UCOM port Function SW TC9164 Video NJM2279 Tuner mute E VOL M62446FP DSP UCOM PD5681A Relay UCOM port H L L Full open Reset Mute ON Mute OFF...

Page 56: ...D4 A51 100 G2 A2 G3 99 G3 A3 G4 98 G4 A4 G5 97 G5 A5 G6 96 G6 A6 G7 95 G7 A7 G8 94 G8 A8 G9 93 G9 A9 G10 92 G10 A10 91 G11 A11 S1 90 G12 A12 S2 89 VDD 88 G13 A13 S3 87 G14 A14 S4 86 G15 A15 S5 85 A16 S6 84 A17 S7 83 A18 S8 82 A19 S9 81 A20 S10 80 A21 S11 79 A22 S12 78 A23 S13 77 PH7 A24 S14 76 PH6 A25 S15 75 PH5 A26 S16 74 PH4 A27 S17 73 PH3 A28 S18 72 PH2 A29 S19 71 PH1 A30 S20 70 PH0 A31 S21 69 ...

Page 57: ...2 2 K C _ M P S D O r e t u p m o c o r c i m P S D e h t h t i w e t a c i n u m m o c r o f l a n g i s k c o l C H 3 2 I S _ M P S D I r e t u p m o c o r c i m P S D e h t h t i w e t a c i n u m m o c r o f l a n g i s t u p n i a t a D 4 2 O S _ M P S D O r e t u p m o c o r c i m P S D e h t h t i w e t a c i n u m m o c r o f l a n g i s t u p t u o a t a D H 5 2 X A M _ N A F O t u p t u ...

Page 58: ... i D y b l o D O k c a b y a l p e d o c e d l a t i g i d y b l o d t a s t h g i L y a l p s i d D E L H 1 6 c i g o l o r P O k c a b y a l p c i g o l o r p t a s t h g i L y a l p s i d D E L H 2 6 t u p n i h c i t l u M O h c 2 r o f d e t p e c x e s i l a n g i s t u p n i l a t i g i d t a s t h g i L H 3 6 t u p n i L A T I G I D O d e k c o l s i l a n g i s t u p n i l a t i g i d t a...

Page 59: ...T GND CCS CA17 CA16 CA15 P62 37 P61 38 P60 39 P57 40 P56 41 P55 42 P54 43 P53 44 P52 45 P51 46 5V P50 47 P47 48 MUTE P46 49 ADMD P45 50 DT P44 100 P97 ASI 99 AVCC 5V 98 VREF 5V 97 P100 ADRT 96 AVSS GND 95 P101 ADRY 94 P102 ARDY 93 P103 AIRT 92 P104 91 P105 90 P106 ANOVL 89 P107 88 P00 87 P01 86 P02 2CHSW1 85 P03 2CHSW2 84 P04 83 P05 82 P06 81 P07 80 P10 79 P11 78 P12 CDC_CK 77 P13 CDC_DT 76 P14 CD...

Page 60: ...S E R r e t u p m o c o r c i m n i a m e h t m o r f t e s e R 3 1 T U O X r o t a l l i c s O 4 1 s s V D N G 5 1 N I X r o t a l l i c s O 6 1 c c V V 5 7 1 I M N I V 5 8 1 1 S C _ M I n o i t a c i n u m m o c r e t u p m o c o r c i m n i a m r o f t u p n i S C 9 1 d e s u t o N O d e s u t o N 0 2 d e s u t o N 1 2 d e s u t o N 2 2 d e s u t o N 3 2 d e s u t o N 4 2 d e s u t o N 5 2 d e ...

Page 61: ...O n o i t a c i n u m m o c C E D O C r o f S C 7 7 T D _ C D C O n o i t a c i n u m m o c C E D O C r o f t u p t u o a t a D 8 7 K C _ C D C O n o i t a c i n u m m o c C E D O C r o f k c o l C 9 7 d e s u t o N O d e s u t o N 0 8 d e s u t o N 1 8 d e s u t o N 2 8 d e s u t o N 3 8 d e s u t o N 4 8 d e s u t o N 5 8 2 W S H C 2 O D E R R E W O P L V I S S A P H W S l o r t n o c 5 1 2 9 C ...

Page 62: ...62 VSX C300 7 2 2 DISPLAY AAV7083 FRONT ASSY V4301 FL DISPLAY Pin Assignment 45 1 Segment Designation Grid Assignment ...

Page 63: ...63 VSX C300 Pin Connection Anode Connection ...

Page 64: ...R Lights when the PHONES SURR listening modes are selected STEREO Lights in stereo mode 6 MASTER VOLUME Use to set the overall listening volume 7 Input buttons Use to select the playback source the possibilities are DVD TV SAT VCR TUNER and FRONT If the receiver is in standby mode pressing these buttons will also turn the power on 8 FRONT jacks You can connect a portable DVD player video camera vi...

Page 65: ... on off the power of the TV a INPUT SELECT button Use to select the TV input b VOLUME buttons Use to adjust the volume on your TV c CHANNEL buttons Use to select channels on your TV SOURCE Power button Use this button to turn on and off the power of other components CH SELECT button Use to select a speaker when setting the volume level of each channel TEST TONE button Use to sound the TEST TONE wh...

Page 66: ...ell as Dolby Surround soundtracks It offers pure decoding of the signal with no added effects 2 channel sources will get decoded and played back as Dolby Pro Logic surround soundtracks 5 D button Press for 5 D sound mode This listening mode takes two channel sources and simulates surround sound GAME button Press for GAME listening mode This listening mode is best for games and other soundtracks wi...

Page 67: ... MIDNGHT AUTO 2 MULTI STEREO 2ch MULTI S M FLAT DIMMER QUIET AUDIO S BASS L VOLUME CHANNEL ENTER ENTER TUNE ST CH SELECT CH LEVEL TEST TONE TOP MENU MENU ST MUSICAL DRAMA ACTION AUDIO VIDEO PRE PROGRAMMED REMOTE CONTROL UNIT DVD TV SAT RECEIVER REMOTE SETUP INPUT SELECT INPUT SELECT MASTER VOLUME RECEIVER TV SOURCE TV CONTROL ROOM SETUP TUNER FRONT MUTING DISPLAY VCR TV 1 2 3 4 5 9 6 7 8 0 10 TUNE...

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Pioneer VSX-C300, Service Manual

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