PDF Service Manual Pioneer C-AX10 Digital Control Amplifier - 1 MB
This is the official service manual for the Pioneer C-AX10 Digital Control Amplifier.
It contains detailed schematics, circuit board layouts, and troubleshooting guides for technicians.
Use this manual to perform accurate repairs and restore your high-fidelity audio equipment to factory specifications.
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--- Page 1 ---
DOLBY
ORDER NO.
D I G I T A L
RRV2327
DIGITAL CONTROL AMPLIFIER
C-AX10
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type Power Requirement Remarks
C-AX10
KU/CA AC120V
NY AC230V
CONTENTS
1. SAFETY INFORMATION ...................................... 2 7.1.3 POWER ON SEQUENCE ...................... 86
2. EXPLODED VIEWS AND PARTS LIST ............... 3 7.1.4 DISASSEMBLY ...................................... 90
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ... 10 7.1.5 PCB LAYOUT ......................................... 95
4. PCB CONNECTION DIAGRAM ......................... 50 7.2 PARTS .......................................................... 96
5. PCB PARTS LIST ............................................... 76 7.2.1 IC ............................................................ 96
6. ADJUSTMENT .................................................... 83 7.2.2 DISPLAY ............................................... 109
7. GENERAL INFORMATION ................................ 84 7.3 REMOTE CONTROL UNIT ........................ 110
7.1 DIAGNOSIS .................................................. 84 8. PANEL FACILITIES AND SPECIFICATIONS ..... 113
7.1.1 TEST MODE ........................................... 84
7.1.2 TROUBLESHOOTING ........................... 85
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
c PIONEER ELECTRONIC CORPORATION 2000
T – ZZR JULY 2000 Printed in Japan
--- Page 3 ---
5 6 7 8
C-AX10
A
H AUDIO A ASSY
DAC
I AUDIO B ASSY
DSP DSP DIGITAL FILTER IC501 DAC VR F L (HIGH)
IC1701 IC1702 IC1703 PCM1704U-J IC901
XCD56362PV100 XCD56362PV100 SM5847AF AD7564BR F L (LOW)
IC502
PCM1704U-J
DSP DSP DIGITAL FILTER DAC VR F R (HIGH)
IC601 IC1001
IC1801 IC1802 IC1803
XCD56362PV100 XCD56362PV100 SM5847AF PCM1704U-J AD7564BR F R (LOW)
IC602
PCM1704U-J B
Hi-bit DIGITAL FILTER DAC VR CENTER
IC801
IC2001 IC2002 IC1002
PD0236AM DF1704E PCM1704U-J AD7564BR SUB WOOFER
IC802
PCM1704U-J
DIGITAL FILTER IC701 DAC VR SL
Hi-bit
IC1901 IC1902 PCM1704U-J IC902
AD7564BR SR
PD0236AM DF1704E
IC702
PCM1704U-J
EEPROM FLASH MEMORY C
IC2106 IC2110
AT24C16N-10SI2.5 PEA004A
CLOCK
GENERATOR REMOTE
CONTROL
SYSTEM CONTROL
U-COM
IC2109 FL
M38079SFP
LED
OPERATION
BUTTONS
J DISPLAY ASSY D
INPUT SOUND OUTPUT MULTI MASTER
SELECTOR MEMORY MODE CONTROL VOLUME
11
5 6 7 8
--- Page 4 ---
5 6 7 8
C-AX10
Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".
A
GCLK(S)
REAR_WCLK
VC18L1
VE18L1
VC18L2
H AUDIO A ASSY
VE18L2 (AWX7530)
B
C/L_WCLK
C/L_BCLK
VC18R1 I AUDIO B ASSY
VE18R1
VC18R2
(AWX7531)
VE18R2
C
MENUP
MENU1
MENU0
N
VDD5 ENC B ASSY
GNDD
(AWX7304)
J DISPLAY ASSY
(AWX7305) K
VOLUME ASSY D
(AWX7302)
21
5 6 7 8
--- Page 5 ---
5 6 7 8
C-AX10
G 1/6 DSP ASSY (KU/CA : AWK7589) : The power supply is shown with the marked box.
(NY : AWK7590) A
ADX7348
J2102
G 6/6
KU/CA
ONLY
E 1/3 J301
NY ONLY
B
J CN2201
C
IC SOCKET (IC9002)
IC160-0324-230
D
5 6 7
G 1/6 8
31
--- Page 6 ---
5 6 7 8
C-AX10
G 6/6 DSP ASSY (KU/CA : AWK7589) : AUDIO SIGNAL ROUTE
A
12 (NY : AWK7590)
L1701-L1704
12 : VTL1083
L1704
L1706
L1703 VTL1105
L1702
H J902
L1701
13
L1705
VTL1105
B
L1801-L1804
: VTL1083
L1804
L1806
L1803 VTL1105
L1802
I J1002
L1801
L1805
VTL1105
C
TC7WH08FU
16
TC7WH08FU
D
5 6 7
G 6/68
41
--- Page 7 ---
1 2 3 4
C-AX10
A
NOTE FOR PCB DIAGRAMS :
1. Part numbers in PCB diagrams match those in the schematic
diagrams. 3. The parts mounted on this PCB include all necessary parts for
2. A comparison between the main parts of PCB and schematic several destinations.
diagrams is shown below. For further information for respective destinations, be sure to
Symbol In PCB Symbol In Schematic check with the schematic diagram.
Part Name
Diagrams Diagrams 4. View point of PCB diagrams.
B C E B C E
Transistor Connector Capacitor
B C E
B C E B C E
Transistor
SIDE A
B C E with resistor
D G S D G S
Field effect
D G S transistor
P.C.Board Chip Part SIDE B B
Resistor array
3-terminal
regulator
C PS ASSY
C
(ANP7293-A)
D
SIDE B
1 2 3
C
4
51
--- Page 9 ---
5 6 7 8
C-AX10
902 I CN1001 H CN901 I J1002
A
B
J
CN2201
C
E
J301
D
(ANP7290-E)
IC1702 IC1903 IC1704 IC1804 IC2003 IC2116 IC2109 Q2101
IC1701 IC1703 IC1803 IC1802 IC9003
IC1801 IC2102
5 6 7
G
8
61
--- Page 10 ---
5 6 7 8
C-AX10
A
B
C
(ANP7291-D)
Q1003 Q1007
Q1001 Q1005 Q1006 Q1004 Q1009
D
5 6 7 8
I 71
--- Page 11 ---
C-AX10
Mark No. Description Part No. Mark No. Description Part No.
C765,C766,C771-C774 CKSQYB103K50
OTHERS C507,C508,C559,C560 CKSQYB104K25
IC9001,IC9002 IC SOCKET IC160-0324-230 C707,C708,C759,C760 CKSQYB104K25
J2102 CONNECTOR ASSY 3P ADX7348 C916,C917 CKSQYB104K25
X1501 CRYSTAL RESONATOR ASS7023 C501,C502,C523,C524 CKSQYB473K50
(20MHz)
X2101,X2102 ASS7026 C527,C528,C537,C538 CKSQYB473K50
CERAMIC RESONATOR (7.7MHz) C541,C542,C551,C552 CKSQYB473K50
C555,C556,C701,C702 CKSQYB473K50
CN1602 CONNECTOR 12P B12B-ZR-SM3 C723,C724,C727,C728 CKSQYB473K50
CN2104 PH CONNECTOR B2B-PH-SM3 C737,C738,C741,C742 CKSQYB473K50
CN2109 PH CONNECTOR B3B-PH-SM3
CN2107 PH CONNECTOR B8B-PH-SM3 C751,C752,C755,C756,C908 CKSQYB473K50
J2101 STEREO MINI JACK QKN1004 C910-C912 CKSQYB473K50
C565,C567,C767-C770 CKSRYB103K50
JA2101,JA2102 RKN1004 C503,C504,C703,C704,C902 PCH1122
REMOTE CONTROL JACK (1000µF/16V)
CN2105,CN2106 VKN1299
7P FFC CONNECTOR C906,C914,C915 (1000µF/16V) PCH1122
CN1601 14P FFC CONNECTOR VKN1418 C521,C522,C525,C526 (100µF/25V) PCH1126
C721,C722,C725,C726 (100µF/25V) PCH1126
CN2102 15P FFC CONNECTOR VKN1419 C535,C536,C539,C540 (220µF/25V) PCH1128
CN2101 16P FFC CONNECTOR VKN1420 C549,C550,C553,C554 (220µF/25V) PCH1128
CN2103 17P FFC CONNECTOR VKN1421
CN2108 28P FFC CONNECTOR VKN1432 C735,C736,C739,C740 (220µF/25V) PCH1128
CN1703 14P CONNECTOR VKN1549 C749,C750,C753,C754 (220µF/25V) PCH1128
C903,C904 (220µF/25V) PCH1128
CN1803 15P CONNECTOR VKN1550 C515-C518,C715-C718 (47µF/10V) RCH1139
2105,2106 SCREW TERMINAL VNE1948
KN2101-KN2104 VNF1109
EARTH METAL FITTING RESISTORS
R503,R504,R703,R704 RDM1/2P3901F
R543,R544,R739,R740 RDM1/2P51R0F
R561,R562 RDR1/4PM1201F
R560,R563,R753,R754 RDR1/4PM2401F
H AUDIO A ASSY R559,R564,R751,R752 RDR1/4PM4701F
SEMICONDUCTORS R521-R524,R545,R546 RN1/10SE1001D
IC901,IC902 AD7564BR R717,R718,R723,R724 RN1/10SE1001D
IC503-IC506,IC703-IC706 NJM2114D-D R745,R746 RN1/10SE1001D
IC903 NJM7812FA R515,R516,R709-R712 RN1/10SE1201D
IC507,IC508,IC707,IC708 OP275GP R529,R530,R725,R726 RN1/10SE1501D
IC501,IC502,IC701,IC702 PCM1704U-J
R525,R526,R721,R722 RN1/10SE1801D
Q901-Q908,Q910,Q912 DTC124EK R541,R542,R737,R738 RN1/10SE2702D
D901-D920 1SS355 R517-R520,R713-R716,R903 RN1/10SE3601D
R505-R508,R531-R534 RS1/10S510J
COILS AND FILTER R537-R540,R705-R708 RS1/10S510J
F901 CHIP BEAD DTF1070
L501-L504,L701-L704 RTF1167 R727-R730,R733-R736 RS1/10S510J
NOISE FILTER Other Resistors RS1/10S J
L901,L902 NOISE FILTER RTF1167
OTHERS
RELAYS J902 CONNECTOR ASSY 14P ADX7271
RY901-RY910 VSR1008 JA501,JA502,JA701,JA702 AKB7102
1P PIN JACK
902 HEAT SINK ANH7100
CAPACITORS CN901 FFC CONNECTOR SLW15S-1C7
C519,C520,C719,C720 (100pF) ACE7015
C531-C534,C733,C734 (150pF) ACE7016 PCB BINDER VEF1040
C731,C732 (330pF) ACE7017 901 BUS LINE B VNF1113
C529,C530 (1800pF) ACE7019
C729,C730 (3300pF) ACE7020
C543,C544,C557,C558 (100µF/50V) ACH7122
C743,C744,C757,C758 (100µF/50V) ACH7122 I AUDIO B ASSY
C545-C548,C745-C748 CCSQCH100D50
C513,C514,C713,C714 CEGA101M16
SEMICONDUCTORS
C511,C512,C711,C712,C907 CEHAZA101M25 IC1001,IC1002 AD7564BR
IC603-IC606,IC803-IC806 NJM2114D-D
C909 CEHAZA101M25 IC1003 NJM7812FA
C905 CENA100M50 IC607,IC608,IC807,IC808 OP275GP
C505,C506,C509,C510 CENA101M25 IC601,IC602,IC801,IC802 PCM1704U-J
C705,C706,C709,C710 CENA101M25
C563,C564,C566,C568-C572 CKSQYB103K50
81
--- Page 12 ---
C-AX10
AUDIO B ASSY
1 Remove the AUDIO A ASSY. 14 Stand the AUDIO B ASSY and diagnose it.
(AUDIO B ASSY works even if removes the AUDIO A ASSY.)
2 ×4 3
K VOLUME ASSY
6
Hook it on a cut part of
the Rear Panel.
5 ×6 I AUDIO B ASSY
Caution:
• Fix the SG ASSY to the suitable place with a screw (for earth).
Remove the Sub Chassis and Side • Reconnect FFC to the DSP ASSY after removing it once.
Frame A together.
4 ×2
Remove a PCB Holder after removing two screws.
Screw
8 ×2
7 D SG ASSY
8 ×4 Power Cord Styling in installation
(AUDIO A and AUDIO B ASSYS)
Caution: Perform styling if possible to under side.
(do not seem to rise to upper side)
12 ×6
Front Pass the lead wires
side through the front side
of heat sink.
Bind
(AUDIO B ASSY
only)
Heat Sink
13 Upper side: AUDIO A ASSY
Under side: AUDIO B ASSY
11
Bus bar
Bind
9 10 Remove a Nut.
Loosen two screws and remove a Rotary Knob L.
Watch it from the front side,
and perform styling in the Fall two capacitors to the
left side of Bus Bar. rear side.
91
--- Page 13 ---
C-AX10
BU4094BCFV (DSP ASSY : IC2101, IC2107, IC2108, IC2118)
• Port Expander
• Block Diagram • Truth Table
PARALLEL SERIAL
DATA 2 8-STAGE 10 Q's OUTPUT OUTPUTS OUTPUTS
SERIAL CLOCK STROBE DATA
SHIFT REGISTER OUTPUT ENABLE
CLOCK 3 9 Qs Q1 Qn Qs Q's
± L X X Z Z Qs No Chg.
≠ L X X Z Z No Chg. Qs
8-BIT ± H L X No Chg. No Chg. Q7 No Chg.
STROBE 1
LATCHES
± H H L L Qn-1 Q7 No Chg.
± H H H H Qn-1 Q7 No Chg.
≠ H X X No Chg. No Chg. No Chg. Qs
OUTPUT 15 3-STATE
ENABLE OUTPUTS X : Don't Care
Z : High Impedance
4 14
Q1 Q8
PARALLEL OUTPUT
• Pin Function
No. Mark Pin Name I/O Pin Function
1 STROBE_ STB I Strobe input (IC2102 pin 23)
2 SERIAL IN DATA I Serial data input (IC2102 pin21)
3 CLOCK CLOCK I Serial clock input (IC2102 pin 22)
4 Q1 INPUT SEL 1 INPUT selector 1
5 Q2 INPUT SEL 2 O INPUT selector 2
6 Q3 INPUT SEL 3 INPUT selector 3
7 Q4 192KHz O 192kHz playback H: PDIF 192kHz signal
8 VSS VSS − VSS
9 QS QS O Connect to pin 2 (DATA) of IC2118
10 QS' QS' O Not used
11 Q8 HI-BIT O Hi-bit playback H: Hi-bit playback
12 Q7 REC SEL 3 REC selector 3
13 Q6 REC SEL 2 O REC selector 2
14 Q5 REC SEL 1 REC selector 1
15 OUTPUT ENABLE OE I Chip enable input (IC2102 pin 28)
16 VDD VDD − VDD
101
--- Page 14 ---
1 2 3 4
C-AX10
7.3.2 Schematic Diagram
A
49 50 51 52
41 42 43 44 45 46 47 48
33 34 35 36 37 38 39 40
R01
1(1/4W) 4 8 12 16 20 24 28 32
D01
SID303C-01 R02 3 7 11 15 19 23 27 31
22 BATTERY
Q01 C01
3V 10µF
2SC3265 2 6 10 14 18 22 26 30
5 9 13 17 21 25 29
C02 KEY No.
0.1µF
20 19 18 17 16 15 14 13 12 11
VDD CARR D0 D1 D2 D3 D4 D5 D6 D7 XX
B
IC01 M34280M1-352FP
Vss E2 E1 XIN XOUT E0 G0 G1 G2 G3
1 2 3 4 5 6 7 8 9 10
X1
3.84MHz
SWITCHES
KEY No. NAME KEY No. NAME
2 : DIGITAL NR 27 : DVD
3 : Hi-bit 28 : 2ch/multi ch
4 : MID-NIGHT 29 : DIMMER
5 : DIRECT 30 : CH LEVEL +
6 : SOUND MEMORY A 31 : CH LEVEL -
7 : SOUND MEMORY B 32 : CH SELECT
8 : SOUND MEMORY C 33 : VOL + C
9 : MEMO 34 : VOL -
10 : M1 35 : MUTING
11 : M2 36 : SYSTEM
12 : M3 37 : NETWORK
13 : M4 38 : CHECK
14 : M5 39 : TEST TONE
15 : M6 40 :5