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POWER AMPLIFIER
PC9501N
SERVICE MANUAL

CONTENTS
SPECIFICATIONS .........................................................3/4
PANEL LAYOUT ..................................................5
CIRCUIT BOARD LAYOUT ..............................6
DIMENSIONS ......................................................................7
PERFORMANCE GRAPHS .................................................8
DISASSEMBLY PROCEDURE ........................................9
NOTES ON WIRING ...........................................14/15
LSI PIN DESCRIPTION ........................................16
IC BLOCK DIAGRAM ..............................................17
CIRCUIT BOARDS ...................................................19
INSPECTIONS .................................................................28/36
PARTS LIST
BLOCK DIAGRAM

ECF
WIRING DIAGRAM
This document is printed on chlorine free (ECF) paper. OVERALL CIRCUIT DIAGRAM

PA 011767 HAMAMATSU, JAPAN
200412-441000 Copyright (c) Yamaha Corporation. All rights reserved. PDF-K006 '05.02
PC9501N

IMPORTANT NOTICE
This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic
service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and
have therefore not been restated.

WARNING : Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury,
destruction of expensive components and failure of the product to perform as specified. For these reasons, we advise
all Yamaha product owners that all service required should be performed by an authorized Yamaha Retailer or the
appointed service representative.
IMPORTANT : This presentation or sale of this manual to any individual or firm does not constitute authorization certification,
recognition of any applicable technical capabilities, or establish a principal-agent relationship of any form.

The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research engineering, and service
departments of Yamaha are continually striving to improve Yamaha products. Modifications are, therefore, inevitable and changes in
specification are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the
distributor's Service Division.

WARNING : Static discharges can destroy expensive components. Discharge any static electricity your body may have
accumulated by grounding yourself to the ground bus in the unit (heavy gauge black wires connect to this bus).
IMPORTANT : Turn the unit OFF during disassembly and parts replacement. Recheck all work before you apply power to the unit.

WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (Where applicable)
components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to
cause cancer and/or birth defects or other reproductive harm.

DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHAT
SO EVER!

Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to
solder/flux vapor!

If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.

WARNING: THIS APPARATUS MUST BE EARTHED
WARNING
IMPORTANT
THE WIRES IN THIS MAINS LEAD ARE COLOURED IN Components having special characteristics are marked
ACCORDANCE WITH THE FOLLOWING CODE: and must be replaced with parts having specification equal to
GREEN-AND-YELLOW : EARTH those originally installed.
BLUE : NEUTRAL
BROWN : LIVE
As the colours of the wires in the mains lead of this apparatus
may not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
The wire which is coloured GREEN and YELLOW must be
connected to the terminal in the plug which is marked by the
letter E or by the safety earth symbol or coloured GREEN
and YELLOW. The wire which is coloured BLUE must be
connected to the terminal which is marked with the letter N or
coloured BLACK.
The wire which is coloured BROWN must be connected to the
terminal which is marked with the letter L or coloured RED.

* This applies only to products distributed by YAMAHA KEMBLE
MUSIC (U.K.) LTD.

2
PC9501N

SPECIFICATIONS
Power output level (Rated power) 120 V (U, V, T)/240 V (A) 230 V (H, B, W, K, O)
1 kHz, THD+N=1 % 8 /STEREO 1000 W x 2 1050 W x 2
4 /STEREO 1600 W x 2 1650 W x 2
8 /BRIDGE 3200 W 3300 W
20 Hz-20 kHz, THD+N=0.1 % 8 /STEREO 925 W x 2 950 W x 2
4 /STEREO 1400 W x 2 1500 W x 2
8 /BRIDGE 2800 W 3000 W
1 kHz, 20 mS nonclip 2 /STEREO 2300 W x 2 2300 W x 2
4 /BRIDGE 4600 W 4600 W
Power bandwidth
10 Hz-40 kHz (THD+N=0.5 %)
Half power
Total harmonic distortion (THD+N)
0.1 %
20 Hz-20 kHz, Half power
Frequency response MAX 0 dB
RL=8 , Po=1 W, TYP 0 dB
f=20 Hz-50 kHz MIN 1 dB
Intermodulation distortion (IMD)
0.1 %
60 Hz:7 kHz, 4:1, Half power
Channel separation
Half power, RL=8 , 1 kHz, 70 dB
Vol. max., Input 600 shunt
Residual noise
70 dBu
Vol. min., 20 Hz-20 kHz (DIN AUDIO)
SN ratio
106 dB
20 Hz-20 kHz (DIN AUDIO)
Damping factor
800
RL=8 , f=1 kHz
Sensitivity
+9 dBu
Vol. max., Rated power into 8
Voltage gain
TYP 32 dB
Vol. max.
Maximum input voltage MIN +22 dBu
Input impedance TYP 20 k/Balanced, 10 k/Unbalanced
Controls Front panel POWER switch (ON/OFF)
Volume (31 positions) /ch
Rear panel MODE switch (STEREO/BRIDGE/PARALLEL)
HPF switch (ON/OFF) /ch fc=20 Hz 12 dB/octave
DIP switch (6P)
Connectors Input XLR-3-31 type /ch
Euroblock connector (balance) /ch
Output SPEKON /ch, 5-way binding posts
Network RJ45 x 2
Power AC inlet
Indicators POWER/STAND-BY Green/Orange
PROTECTION Red
TEMP Red (heatsink temp85°C)
REMOTE Green
Level meters 10 points LED meter /ch
Load protection POWER switch ON muting, DC detection
Amp. protection Temp. detection (heatsink temp90°C), VI limiter (RL1 )
Limiter Comp.: THD0.5 %
Cooling Dual variable-speed fan
Power requirements U, V, T 120 V, 60 Hz
H, B, W, K, O 230 V, 50/60 Hz
A 240 V, 50/60 Hz
Power consumption Idling 55 W
Output power, 4 750 W (U, V, T)/1000 W (A) 1100 W (H, B, W, K, O)
Dimensions (W x H x D) 480 x 88 x 456 mm
Weight 13 kg
Accessories Power cord, Security cover, Owner's manual, 3-pin Euroblock connector x 2
0 dBu=0.775 Vrms, Half power=1/2 Output power (3 dB below rated power)

3
PC9501N

1kHz THD N 1 8/STEREO 1000W × 2
4/STEREO 1500W × 2
8/BRIDGE 3000W
20Hz 20kHz THD N 0.1 8/STEREO 900W × 2
4/STEREO 1300W × 2
8/BRIDGE 2600W
1kHz 20mS nonclip 2/STEREO 2200W × 2
4/BRIDGE 4400W

10Hz 40kHz THD N=0.5
Half power
THD N
0.1
20Hz 20kHz Half power
MAX 0dB
RL 8 Po 1W TYP 0dB
f 20Hz 50kHz MIN 1dB
IMD
0.1
60Hz 7kHz 4 1 Half power

Half power RL 8 1kHz 70dB
600

70dBu
20Hz 20kHz DIN AUDIO
SN
106dB
20Hz 20kHz DIN AUDIO

800
RL 8 f 1kHz

9dBu
Rated power 8

TYP 32dB

MIN 22dBu
TYP 20k/ 10k/
POWER ON/OFF
31
MODE STEREO/BRIDGE/PARALLEL
HPF ON/OFF fc=20Hz 12dB/octave
DIP 6P
XLR-3-31

5
RJ45 × 2
POWER/STAND-BY /
PROTECTION
TEMP 85
REMOTE
10 LED
POWER DC
90 VI RL 1
THD 0.5

100V 50/60Hz
55W
4 950W
W × H × D 480 × 88 × 456mm
13kg
3 × 2
0 dBu=0.775 Vrms, Half power=1/2 Output power (3 dB below rated power)

4
PC9501N

PANEL LAYOUT
· Front Panel

POWER AMPLIFIER PC 9501N
16 14 16 14
18 12 18 12
EEEngine 20 10 20 10

TEMP CLIP 25 8 25 8
8
PROTECTION 6
9 30 6 30 6
12
REMOTE 15
18
POWER/STAND-BY 21 35 4 35 4
24
27
50 2 50 2
ON/ OFF A -dB B 0 0
A -dB B

1 POWER/STAND-BY switch and indicator 1 POWER/STAND-BY
2 REMOTE indicator 2 REMOTE
3 PROTECTION indicator 3 PROTECTION
4 TEMP indicator 4 TEMP
5 Level meters 5
6 Volume knobs 6
7 Air intakes 7
8 Security cover 8

· Rear Panel

20Hz

In case of PC9501N (J)
PC9501N (J)

1 XLR inputs 1 XLR
2 MODE switch 2 MODE
3 HPF 20 Hz switches 3 HPF 20 Hz
4 SPEAKERS jacks 4 SPEAKERS
5 DATA PORT jacks 5 DATA PORT
6 AMP ID switch 6 AMP ID
7 Euroblock connector 7
8 AC inlet (except PC9501N (J)) 8 AC PC9501N (J)
9 GND terminals 9 GND

5
PC9501N

CIRCUIT BOARD LAYOUT

· Front View

· Side View · Top View · Side View
IN10 3/5 IN10 2/5 PS10 2/2

PS10 1/2
PA10 PA10
Bch Ach

IN10 4/5

IN10 5/5 IN10 1/5
· Rear View

IN10 4/5

6
PC9501N

DIMENSIONS

26380
456
4
46
25 30 370 30 25

480

POWER AMPLIFIER PC 9501N
88

Units: mm

7
PC9501N

PERFORMANCE GRAPHS

10000
Mode:STEREO
Both ch
Power consumption[W]

1000 Power
Consumption[W]

100

10

1 Output
1 10 100 1000 10000 Power[W]

8
PC9501N

DISASSEMBLY PROCEDURE
1. Top Cover (Time required: about 2 minutes)
1-1. Remove the nine (9) screws marked [280]. The top 1-1. [280] 9
cover can then be removed. (Fig. 1) ( 1)

2. Rear Assembly (Time required: about 4 minutes)
2-1. Remove the top cover. (See Procedure 1.) 2-1. 1 )
2-2. Remove the six (6) screws marked [240]. The rear 2-2. [240] 6 Ass' y 2)
assembly can then be removed. (Fig. 2)
With PC9501N of the J specification, remove the screw
marked [90]. (Fig.1)

[280] [30b] [90]

[40]
I/O rock
[100]
[280] [280] PS10 1/2

IN10
4/5

[280]

[30b] [30a]

[30]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[90]: Bind Head Screw 4.0X8 MFZN2BL (EG340360)
[100]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[280]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
Fig.1 1

[330]

[240] [240]

[240]

[240]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
[330]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
Fig.2 2

9
PC9501N

3. IN10 1/5 Circuit Board (Time required: about 5 minutes)
3-1. Remove the top cover. (See Procedure 1.) 3-1. (1 )
3-2. Remove the rear assembly. (See Procedure 2.) 3-2. Ass' y (2 )
3-3. Remove the two (2) screws marked [330] and then 3-3. [330] 2
remove the SP terminal cover. (Fig. 2) ( 2)
3-4. Remove the one (1) screw marked [R70] , two (2) 3-4. [R70] 1 [R80] 2 [R90] 4
screws marked [R80] , four (4) screws marked [R90] [R100] 4 IN10 1/5
and four (4) screws marked [R100]. The IN10 1/5 ( 3)
circuit board can then be removed. (Fig. 3)

4. IN10 4/5 Circuit Board (Time required: about 5 minutes)
4-1. Remove the top cover. (See Procedure 1.) 4-1. (1 )
4-2. Remove the rear assembly. (See Procedure 2.) 4-2. Ass' y (2 )
4-3. Remove the four (4) screws marked [30a]. The IN10 4-3. [30a] 4 IN10 4/5
4/5 circuit board can then be removed. (Fig. 1) ( 1)

5. IN10 5/5 Circuit Board (Time required: about 3 minutes)
5-1. Remove the top cover. (See Procedure 1.) 5-1. (1 )
5-2. Remove the two (2) screws marked [R60]. The IN10 5-2. [R60] 2 IN10 5/5
5/5 circuit board can then be removed. (Fig. 3) 3)

IN10 1/5

[20] [R50] [20]

[R90] [R60] [R90] [R70] [R100] [R80] [R100] [R10]

IN10 5/5

[R60]: Pan Head Screw 2.6X6 MFZN2BL (VC990500)
[R70]: Bonding Tapping Screw-B 3.0X8 MFZN2BL (VN413300)
[R80]: Bind Head Tapping Screw-B 3.0X12 MFZN2BL (VQ074600)
[R90]: Bind Head Tapping Screw-B 2.6X8 MFZN2BL (VB096700)
[R100]: Flat Head Tapping 3.0X8 MFZN2BL (EP600790)
Fig.3 3

6. Front Panel Assembly
(Time required: about 4 minutes) 6-1. [210a] 3 R
6-1. Remove the three (3) screws marked [210a] from the [210b] 3 [220] 2
side cover L, three (3) screws marked [210b] from the Ass' y ( 4)
side cover R and two (2) screws marked [220]. The
front panel assembly can then be removed. (Fig. 4)

10
PC9501N

Side Cover R [220] Side Cover L
R L

[210b] [210a]

[190] [190]
PS10 1/2
[185] [185]

IN10 1/5

[185]: Flat Washer 4X9X0.8 MFZN2BL (VP367000)
[190]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
[210]: Bonding Tapping Screw-B 4.0X8 MFZN2BL (VR779900)
[220]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
Fig.4 4

7. DC Fan (Time required: about 4 minutes)
7-1. Remove the top cover. (See Procedure 1.) 7-1. (1 )
7-2. Remove the front panel assembly. (See Procedure 6.) 7-2. Ass' y (6 )
7-3. Remove the two (2) screws marked [F30] from the DC 7-3. DC [F30] 2
fan and then remove the fan. Use the same for both ( 5)
right and left fans. (Fig. 5)

8. Power Switch (Time required: about 8 minutes)
8-1. Remove the top cover. (See Procedure 1.) 8-1. (1 )
8-2. Remove the front panel assembly. (See Procedure 6.) 8-2. Ass' y (6 )
8-3. Remove the DC fans. (See Procedure 7.) 8-3. DC (7 )
8-4. Remove the four (4) screws marked [F180] and then 8-4. [F180] 4
remove the two front covers. (Fig. 5) 2 ( 5)
8-5. Remove the six (6) screws marked [F150] and then 8-5. [F150] 6
remove the front panel. (Fig. 6) ( 6)
8-6. Remove the power switch knob and the two (2) 8-6. [F40] 2
screws marked [F40]. The power switch (PS10 2/2 PS10 2/2
circuit board mount) can then be removed. (Fig. 6) ( 6)
8-7. Remove the power switch from the PS10 2/2 circuit 8-7. PS10 2/2
board.

[F30] [F180] [F30] Front Cover
PC 9501N

[F30] [F180] [F30] Front Cover

[F30]: Bind Head Screw 4.0X30 MFZN2BL (VT229100)
[F180]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
Fig.5 5

11
PC9501N

9. IN10 2/5 Circuit Board (Time required: about 4 minutes)
9-1. Remove the top cover. (See Procedure 1.) 9-1. (1 )
9-2. Remove the front panel assembly. (See Procedure 6.) 9-2. Ass' y (6 )
9-3. Remove the DC fans. (See Procedure 7.) 9-3. DC (7 )
9-4. Remove the four (4) screws marked [F180] and then 9-4. [F180] 4
remove the two front covers. (Fig. 5) 2 ( 5)
9-5. Remove the six (6) screws marked [F150] and then 9-5. [F150] 6
remove the front panel. (Fig. 6) ( 6)
9-6. Remove the two (2) screws marked [F70]. The IN10 9-6. [F70] 2 IN10 2/5
2/5 circuit board can then be removed. (Fig. 6) ( 6)

10. IN10 3/5 Circuit Board (Time required: about 4 minutes)
10-1. Remove the top cover. (See Procedure 1.) 10-1. (1 )
10-2. Remove the front panel assembly. (See Procedure 6.) 10-2. Ass' y (6 )
10-3. Remove the DC fans. (See Procedure 7.) 10-3. DC (7 )
10-4. Remove the two front covers. (See Step 9-4.) 10-4. 2
10-5. Remove the front panel. (See Step 9-5.) (9-4. )
10-6. Remove the two (2) attenuation knobs A/B and two (2) 10-5. (9-5. )
hexagonal nuts. The IN10 3/5 circuit board can then 10-6. A/B 2 VR
be removed. (Fig. 6) 2 IN10 3/5 ( 6)

[F150] PS10 2/2 [F60] [F80] IN10 3/5

[F10]
Attenuation knob
[F150] [F40] [F70]

Power switch knob IN10 2/5 Hexagonal nut

[F40]: Bind Head Screw 3.0X6 MFZN2BL (EG330360)
[F70]: Bind Head Tapping Screw-B 3.0X8 MFZN2BL (EP600190)
[F150]: Flat Head Screw 4.0X8 MFZN2BL (VA221200)
Fig.6 6

11. PA Unit (Time required: about 7 minutes)
11-1. Remove the rear assembly. (See Procedure 2.) 11-1. Ass' y (2 )
11-2. Remove the top cover. (See Procedure 1.) 11-2. (1 )
11-3. Remove the nine (9) screws marked [190] and three 11-3. [190] 9 [210] 3
(3) screws marked [210]. The side cover and PA unit PA A B
can then be removed. Use the same method for both ( 4)
A and B channels. (Fig. 4)
Flat washers marked [185] are attached between the side
cover and PA unit. Take care not to lose flat washers
marked [185] when removing screws marked [190].

12
PC9501N

12. PA10 Circuit Board (Time required: about 11 minutes)
12-1. Remove the top cover. (See Procedure 1.) 12-1. (1 )
12-2. Remove the PA unit. (See Procedure 11.) 12-2. PA (11 )
12-3. Remove 33 screws marked [P60] fixing the pair 12-3. FET
transistor, FET and diode, three (3) screws marked [P60] 33 [P80] 3 [P40] 6
[P80] and six (6) screws marked [P40]. The PA10 PA10 ( 7
circuit board can then be removed. (Fig. 7)

[P60] [P80] [P60]
[P40] [P40]

[P60] [P80] [P60]

[P40]: Bind Head Screw 3.0X6 MFZN2BL (EG330360)
[P60]: Bind Head Screw-SP 3.0X12 MFZN2Y (VB763800)
[P80]: Bind Head Screw-SP 2.6X8 MFZN2Y (EG320240)
Fig.7 7

13. PS10 Circuit Board (Time required: about 8 minutes)
13-1. Remove the top cover. (See Procedure 1.) 13-1. (1 )
13-2. Remove the front panel assembly. (See Procedure 6.) 13-2. Ass' y (6 )
13-3. Remove the rear assembly. (See Procedure 2.) 13-3. Ass' y (2 )
13-4. Remove the eleven (11) screws marked [30b], one (1) 13-4. [30b] 11 [100] 1 [90] 1
screw marked [100] and one (1) screw marked [90] [40] I/O PS10
and then release the I/O rock marked [40]. The PS10 ( 1)
circuit board can then be removed. (Fig. 1) [40]: PC9501N J
[40]: PC9501N (J) is not used.

13
14

PC9501N
NOTES ON WIRING
Arrange the black and brown wires under the tube [250], *1 The mark indicates the cord
and fix the wires and tube with the cord holder [260]. holder.
*2 Attach the connector assemblies
Refer to *3. [120] and [R50] with the
Twist the black, yellow Connector assembly PSW character upside.
and brown wires, then *3 Fix the connector assembly
[F80]
connect the fasten [F60] [F80] and the fan lead wire
terminals to the circuit connected to CN103 with the
board. cord holder [260]. Make sure to
Twist the black, yellow fix them at the position close to
Fan Fan and brown wires, then CN103.
[110]
Twist the black and red wires, connect the fasten
then connect the fasten terminals to the circuit Fan lead wire
terminals to the circuit board. board. Then fix the
Then fix the wires with the wires with the cord
cord holder [260]. [250] holder [260].
[F80]
Twist the black and red
wires. CN103
Fix the connector assemblies
[120]
[150] and [F80] connected to Attach the tube to the
CN201 and CN406 so that *4 For PC9501N (J), connect the
connector assemblies black wire of the AC cord [60] to
they do not touch the heat so that they do not
sink of the PA unit and the [160] CN111 and the white wire to
touch the parts on the CN112.
parts on the PS10 circuit PS10 circuit board, and
board. [150] fix them with the cord
holder [260].
CN111
CN112
Wire the connector assembly [140]
[140] connected to CN205 so that [R50]
Refer to *5.
it does not pass under the screw
hole of JK402.
Refer to *4.
*5 Run the connector assembly
Wire the connector assembly [140] Bend the connector [140] connected to CN609 and
connected to CN205 so that it passes assembly [R50] so that Fix the connector assemblies [150] and CN610 through under two red
between the connector assembly it does not touch the [140] connected to CN201 and CN205 wires and two black wires, and
[R50] and the rear panel. top panel. so that they do not loosen. fix them with the cord holder
[260].
[110]: Connector Assembly PH&PH 9P 350L (VN667700)
[120]: Connector Assembly 37P 60mm P=1.25 (MF137060)
[140]: Connector Assembly IN (WD522000)
[150]: Connector Assembly IN3 (WD522100)
[160]: Connector Assembly TE (WD522300) CN609 CN610
[250]: Tube BLACK D=18 (--)
[260]: Cord Holder BK-1 (CB069250)
[F60]: Connector Assembly PH&PH 11P 310L (WD521900)
[F80]: Connector Assembly ATT (--)
[R50]: Connector Assembly 35P 60mm P=1.25 (MF135060) *(--): Not available as spare parts.

250 1
260
2 C&C 120
3 R50
PSW
1 2 3 CN103 F80
[F80]
[F60] DC
260
CN103

DC DC
[110]
1 2 DC
1 2

260 260
[F80]
[250]

1 2 CN103

[120] 4 PC9501N J
CN201 CN406 60 CN111
150 F80 PA CN112
PS10
[160]
PS10
CN111
[150] CN112
260

[140]
CN205 140 [R50]
JK402 5
5 CN609 CN610
4 140 2 2

260
CN205 140 C&C R50 CN201 CN205 150
C&C R50 140

[110]: Connector Assembly PH&PH 9P 350L (VN667700) CN609 CN610
[120]: Connector Assembly 37P 60mm P=1.25 (MF137060)
[140]: Connector Assembly IN (WD522000)
[150]: Connector Assembly IN3 (WD522100)
[160]: Connector Assembly TE (WD522300)
[250]: Tube BLACK D=18 (--)
[260]: Cord Holder BK-1 (CB069250)
[F60]: Connector Assembly PH&PH 11P 310L (WD521900)

PC9501N
[F80]: Connector Assembly ATT (--)
[R50]: Connector Assembly 35P 60mm P=1.25 (MF135060)
15
PC9501N

LSI PIN DESCRIPTION
· HD64F7044F28V (X5719B00) CPU IN10: IC801
PIN NAME I/O FUNCTION PIN NAME I/O FUNCTION
NO. _____ NO.
1 PE1/TIOC4C/DACK0/AH I/O Port E / MTU I/O / DMA transfer strobe / Address hold 57 PD11/D11 I/O
2 PE15/TIOC4D/DACK1/IRQOUT I/O Port E / MTU I/O / DMA transfer strobe / Interrupt request output 58 PD10/D10 I/O
Port D / Data bus
3 Vss I Ground 59 PD9/D9 I/O
4 PC0/A0 O 60 PD8/D8 I/O
5 PC1/A1 O 61 Vss I Ground
6 PC2/A2 O 62 PD7/D7 I/O
7 PC3/A3 O 63 PD6/D6 I/O Port D / Data bus
8 PC4/A4 O 64 PD5/D5 I/O
9 PC5/A5 O 65 Vcc I Power supply
10 PC6/A6 O 66 PD4/D4 I/O
11 PC7/A7 O Port C / Address bus 67 PD3/D3 I/O
12 PC8/A8 O 68 PD2/D2 I/O Port D / Data bus
13 PC9/A9 O 69 PD1/D1 I/O
14 PC10/A10 O 70 PD0/D0 I/O
15 PC11/A11 O 71 Vss I Ground
16 PC12/A12 O 72 XTAL I Crystal oscillator
17 PC13/A13 O 73 MD3 I Mode set
18 PC14/A14 O 74 EXTAL I External clock
19 PC15/A15 O 75 MD2 I Mode set
20 PB0/A16 O Port B / Address bus 76 NMI I Non-maskable interrupt request
21 Vcc I Power supply 77 Vcc I Power supply
22 PB1/A17 O Port B / Address bus 78 MD1 I
Mode set
23 Vss
________ _________ _______
I Ground 79 MD0 I
24 PB2/IRQ0/POE0/RAS
________ ________ ________
I/O Port B / Interrupt request / Port output enable / Row address strobe 80 PLLVcc I PLL power supply
25 PB3/IRQ1/POE1/CASL
________ ________ ________
I/O Port B / Interrupt request / Port output enable / Lower column address strobe 81 PLLCAP I PLL capacitance
26 PB4/IRQ2/POE2/CASH I/O Port B / Interrupt request / Port output enable / Upper column address strobe 82 PLLVss I PLL ground
27 Vss
________ _________
I Ground 83 PA15/CK
_______
O Port A / System clock
28 PB5/IRQ3/POE3/RDWR
_________ ___________
I/O Port B / Interrupt request / Port output enable / DRAM read/write 84 RES____________ I Power-on reset
29 PB6/IRQ4 /A18/BACK
_________ ___________
I/O Port B / Interrupt request / Address bus / Bus request acknowledge 85 PE0/TIOC0A/DREQ0 I/O Port E / MTU I/O / DMA transfer request
30 PB7/IRQ5 /A19/BREQ
_________ __________
I/O Port B / Interrupt request / Address bus / Bus request 86 PE1/TIOC0B/DRAK0
____________
I/O Port E / MTU I/O / DREQ request acknowledgement
31 PB8/IRQ6 /A20/WAIT
_________ ____________
I/O Port B / Interrupt request / Address bus / Wait 87 PE2/TIOC0C/DREQ1 I/O Port E / MTU I/O / DMA transfer request
32 PB9/IRQ7 /A21/ADTRG I/O Port B / Interrupt request / Address bus / A/D conversion trigger input 88 PE3/TIOC0D/DRAK1 I/O Port E / MTU I/O / DREQ request acknowledgement
33 Vss_____ I Ground 89 PE4/TIOC1A I/O Port E / MTU I/O
34 PA14/RD
_______________
O Port A / Read 90 Vss I Ground
35 WDTOVF ________
O Watchdog time overflow 91 PF0/AN0 I
36 PA13/WRH O Port A / Upper write 92 PF1/AN1 I
37 Vcc ________
I Power supply 93 PF2/AN2 I Port F / Analog input
38 PA12/WRL O Port A / Lower write 94 PF3/AN3 I
39 Vss _______
I Ground 95 PF4/AN4 I
40 PA11/CS1 _______
O
Port A / Chip select
96 PF5/AN5 I
41 PA10/CS0 ________
O 97 AVss I Analog ground
42 PA9/TCLKD/IRQ3 I 98 PF6/AN6 I
________ Port A / MTU timer clock input / Interrupt request Port F / Analog input
43 PA8/TCLKC/IRQ2 ______
I 99 PF7/AN7 I
44 PA7/TCLKB/CS3 ______
I/O
Port A / MTU timer clock input / Chip select
100 AVcc I Analog power supply
45 PA6/TCLKA/CS2 ___________ _______
I/O 101 Vss I Ground
46 PA5/SCK1/DREQ1/IRQ1 I/O Port A / Serial clock / DMA transfer request / Interrupt request 102 PE5/TIOC1B I/O Port E / MTU I/O
47 PA4/TXD1 O Port A / Data transmission 103 Vcc I Power supply
48 PA3/RXD1 ___________ ________
I Port A / Data reception 104 PE6/TIOC2A I/O
49 PA2/SCK0/DREQ0/IRQ0 I/O Port A / Serial clock / DMA transfer request / Interrupt request 105 PE7/TIOC2B I/O
50 PA1/TXD0 O Port A / Data transmission 106 PE8/TIOC3A I/O Port E / MTU I/O
51 PA0/RXD0 I Port A / Data reception 107 PE9/TIOC3B I/O
52 PD15/D15 I/O 108 PE10/TIOC3C I/O
53 PD14/D14 I/O Port D / Data bus 109 Vss I Ground
54 PD13/D13 I/O 110 PE11/TIOC3D I/O
Port E / MTU I/O
55 Vss I Ground 111 PE12/TIOC4A __________
I/O
56 PD12/D12 I/O Port D / Data bus 112 PE13/TIOC4B/MRES I/O Port E / MTU I/O / Manual reset

16
PC9501N

IC BLOCK DIAGRAM

· NJM4558M (TE2) (X5804A00) · NJM13600M (TE2) (X5042A00)
IN10: IC601~IC606 IN10: IC409

· NJM2068M-D (TE2) (X3505A00) OP AMP
IN10: IC402~IC407, IC410, IC901~IC906 (Operational Transconductance Amplifier)

· M5238AFP (X6317A00)