Pioneer X-HM81, X-HM71 Schematic

ORDER NO.

RRV4322

X-HM81-K

NETWORKX-HM81CD RECEIVER SYSTE -K

X-HM81-S X-HM71-K X-HM71-S

NETWORK CD RECEIVER

XC-HM81-K XC-HM81-S

THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model	Type	Power Requirement	Remarks
X-HM81-K, X-HM81-S	SYXE8	AC 220 V to 240 V
XC-HM81-K, XC-HM81-S	SYXE8	AC 220 V to 240 V
X-HM71-K, X-HM71-S	SYXE8	AC 220 V to 240 V
X-HM71-K	CXE	AC 120 V
X-HM71-S	AXQ5	AC 220 V

PIONEER CORPORATION 1-1, Shin-ogura, Saiwai-ku, Kawasaki-shi, Kanagawa 212-0031, Japan PIONEER ELECTRONICS (USA) 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

PIONEER CORPORATION 2012

K-MZV AUG. 2012 Printed in Japan

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SAFETY INFORMATION

A

This service manual is intended for qualified service technicians; it is not meant for the casual do-it- yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician.

WARNING

BThis product may contain a chemical known to the State of California to cause cancer, or birth defects or other reproductive harm.

Health & Safety Code Section 25249.6 - Proposition 65

Laser Pickup specifications and Laser characteristics

For CD	Wave length (typ) : 790 nm
	Operation output	: 3 mW CW, Class 1
	Maximum output	: Class 1	(Under fault condition)

C

LABEL CHECK

D

SYXE8 model

AXQ5 model

CXE model

E

F

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CONTENTS

SAFETY INFORMATION..........................................................................................................................................................	2
1. SERVICE PRECAUTIONS ....................................................................................................................................................	4
1.1 NOTES ON SOLDERING ...............................................................................................................................................	4
1.2 WHEN REPLACING MECHA .........................................................................................................................................	4
1.3 WHEN REPLACING CR870 (Module including BCO Assy) ...........................................................................................	4
2. SPECIFICATIONS.................................................................................................................................................................	5
3. BASIC ITEMS FOR SERVICE ..............................................................................................................................................	6
3.1 CHECK POINTS AFTER SERVICING ...........................................................................................................................	6
3.2 JIGS LIST .......................................................................................................................................................................	6
3.3 PCB LOCATIONS ...........................................................................................................................................................	7
4. BLOCK DIAGRAM ..............................................................................................................................................................	10
4.1 OVERALL WIRING DIAGRAM .....................................................................................................................................	10
4.2 OVERALL BLOCK DIAGRAM.......................................................................................................................................	12
4.3 POWER SUPPLY BLOCK DIAGRAM...........................................................................................................................	14
5. DIAGNOSIS ........................................................................................................................................................................	16
5.1 TROUBLESHOOTING..................................................................................................................................................	16
5.2 PROTECTION CIRCUIT...............................................................................................................................................	21
5.3 POWER MANAGEMENT..............................................................................................................................................	24
5.4 CHECKING TERMINALS .............................................................................................................................................	25
5.5 IC INFORMATION ........................................................................................................................................................	28
6. SERVICE MODE .................................................................................................................................................................	31
6.1 SERVICE MODE ..........................................................................................................................................................	31
6.2 PROTECT CHECK MODE ...........................................................................................................................................	33
6.3 CHECKING THE LCD ..................................................................................................................................................	35
6.4 RDS CHARACTERS.....................................................................................................................................................	36
7. DISASSEMBLY ...................................................................................................................................................................	37
8. EACH SETTING AND ADJUSTMENT ................................................................................................................................	45
8.1 UPDATING OF THE FIRMWARE .................................................................................................................................	45
8.2 INITIAL SETTINGS.......................................................................................................................................................	51
9. EXPLODED VIEWS AND PARTS LIST...............................................................................................................................	52
9.1 PACKING SECTION .....................................................................................................................................................	52
9.2 EXTERIOR SECTION ..................................................................................................................................................	54
9.3 SPEAKER SECTION (S-HM81GB, S-HM81SA) ..........................................................................................................	58
9.4 SPAEKER SECTION (S-HM71)....................................................................................................................................	59
10. SCHEMATIC DIAGRAM....................................................................................................................................................	60
10.1 CD ASSY ....................................................................................................................................................................	60
10.2 TUNER and BT ASSYS..............................................................................................................................................	62
10.3 MAIN ASSY (1/3)........................................................................................................................................................	64
10.4 MAIN ASSY (2/3)........................................................................................................................................................	66
10.5 MAIN ASSY (3/3)........................................................................................................................................................	68
10.6 BCO ASSY (1/2) .........................................................................................................................................................	70
10.7 BCO ASSY (2/2) .........................................................................................................................................................	72
10.8 CNT1 ASSY................................................................................................................................................................	74
10.9 CNT2 ASSY................................................................................................................................................................	76
10.10 CNT3 ASSY..............................................................................................................................................................	78
10.11 F_AUX, F_USB, FRONT and KEY ASSYS ..............................................................................................................	80
10.12 DOCKING ASSY ......................................................................................................................................................	82
10.13 POWER ASSY..........................................................................................................................................................	84
10.14 WAVEFORMS...........................................................................................................................................................	86
11. PCB CONNECTION DIAGRAM ........................................................................................................................................	88
11.1 CD ASSY ....................................................................................................................................................................	88
11.2 TUNER and BT ASSYS..............................................................................................................................................	90
11.3 MAIN ASSY ................................................................................................................................................................	92
11.4 BCO ASSY .................................................................................................................................................................	96
11.5 CNT1, CNT2 and CNT3 ASSYS.................................................................................................................................	98
11.6 F_AUX, F_USB, FRONT, KEY and DOCKING ASSYS ............................................................................................	102
11.7 POWER ASSY..........................................................................................................................................................	106
12. PCB PARTS LIST............................................................................................................................................................	108

A

B

C

D

E

F

X-HM81-K

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1. SERVICE PRECAUTIONS

1.1 NOTES ON SOLDERING

A • For environmental protection, lead-free solder is used on the printed circuit boards mounted in this unit.

Be sure to use lead-free solder and a soldering iron that can meet specifications for use with lead-free solders for repairs accompanied by reworking of soldering.

•Compared with conventional eutectic solders, lead-free solders have higher melting points, by approximately 40 ºC. Therefore, for lead-free soldering, the tip temperature of a soldering iron must be set to around 373 ºC in general, although

the temperature depends on the heat capacity of the PC board on which reworking is required and the weight of the tip of the soldering iron.

Do NOT use a soldering iron whose tip temperature cannot be controlled.

Compared with eutectic solders, lead-free solders have higher bond strengths but slower wetting times and higher melting

Btemperatures (hard to melt/easy to harden).

The following lead-free solders are available as service parts:

•Parts numbers of lead-free solder: GYP1006 1.0 in dia.

GYP1007 0.6 in dia. GYP1008 0.3 in dia.

C1.2 WHEN REPLACING MECHA

It is necessary to remove the soldering on the short circuit point after connecting the pickup flexible cable.

D

Short circuit point

1.3 WHEN REPLACING CR870 (Module including BCO Assy)

E

After the CR870 module is replaced alone or the whole BCO Assy, including the CR870, is replaced, the MAC address will be changed. Replace the MAC address seal with a new one, which you can find enclosed with the service part.

MAC Address seal

Attach the Mac Address label to the rear panel, above the WLAN antenna, so that it will not block the ventilation holes on the rear panel.

F

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X-HM81-K

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2. SPECIFICATIONS

Amplifier section
RMS Power Output .....................................................		50 W + 50 W
	(1 kHz, 10 % T.H.D., 4 ohms)
Guaranteed speaker impedance .......................		4 ohms to 16 ohms
Headphones ..............................................	recommended: 32 ohms
Tuner section
Frequency Range (FM) ................................	87.5 MHz to 108 MHz
Antenna Input (FM).........................................	75 ohms unbalanced
Frequency Range (AM) ..................................	522 kHz to 1602 kHz
Antenna (AM) ............................................................		Loop antenna
Video section
Signal level (Composite)......................................		1 Vp-p (75 ohms)
Network section
LAN terminal................................................................		Ethernet jack
10BASE-T/100BASE-TX
Other connectors
Power supply
USB connector ...............................................................		5 V, 2.1 A
iPod connector................................................................		5 V, 1.0 A
ADAPTER Port (X-HM81 and XC-HM81 only)		...............5 V, 0.1 A
Miscellaneous
Power source............................................	AC 220 V to 240 V, 50 Hz
Power consumption
Power on................................................................................		75 W
Power standby..........................................................		0.5 W or less
Network standby....................................................................		17 W
Dimensions
Width ................................................................................		215 mm
Height (X-HM71)..............................................................		131 mm
Height (X-HM81 and XC-HM81)......................................		32.2 mm
Depth................................................................................		353 mm
Weight (X-HM71)...................................................................		5.0 kg
Weight (X-HM81 and XC-HM81) ............................................		5.5 kg

Speaker (X-HM81 only)
Type
2-way type speaker system
2.5 cm Dome-Tweeter
12 cm Woofer
Maximum input power ..............................................................	50 W
Impedance............................................................................	4 ohms
Dimensions
Width ................................................................................	156 mm
Height ...............................................................................	266 mm
Depth................................................................................	258 mm
Weight ...........................................................................	4.3 kg/each
Speaker (X-HM71 only)
Type
2-way type speaker system
2 cm Dome-Tweeter
12 cm Woofer
Maximum input power ..............................................................	50 W
Impedance............................................................................	4 ohms
Dimensions
Width ................................................................................	148 mm
Height ...............................................................................	263 mm
Depth................................................................................	208 mm
Weight ...........................................................................	2.7 kg/each

Note

•The specifications are applicable when the power supply is 230 V.

•Specifications and the design are subject to possible modifications without notice, due to improvements.

•Corporation and product names mentioned herein are trademarks or registered trademarks of the respective corporations.

•This product is not designed for use in Japan.

•This product includes FontAvenue® fonts licensed by NEC Corporation. FontAvenue® is a registered trademark of NEC Corporation.

A

B

C

D

Accessories

• Remote control	• Speaker x 2 (X-HM81 and X-HM71 only)
(SYXE8 model (AXD7676): 8300767600010-IL)
(CXE, AXQ5 model (AXD7680): 8300768000010-IL)	• Speaker wires x 2 (X-HM81 and X-HM71 only)
	(X-HM81, X-HM71/AXQ5: 8952SHM810016-IL)
• AAA size IEC R03 dry cell batteries	(X-HM71: 8952SHM700042-IL)
(to confirm system operation) x 2
	• Non skid pad x 8 (X-HM81 only)
• AM loop antenna	(8952SHM810018-IL)
(E601019000010-IL)
	• Warranty card
• FM wire antenna
(E605010140010-IL)	• Quick Start Guide
	(SYXE8 model: 5707000006940-IL)
• WLAN antenna	(CXE model: 5707000006970-IL)
(E600223170010-IL)	(AXQ5 model: 5707000006980-IL)
	• Operating instructions (CD-ROM)
	(6517000000821-IL)

E

F

X-HM81-K

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3. BASIC ITEMS FOR SERVICE

3.1 CHECK POINTS AFTER SERVICING

A Items to be checked after servicing

		To keep the product quality after servicing, confirm recommended check points shown below.
			No.		Procedure		Check points
			1		Confirm whether the customer complain has been solved.		The customer complain must not be reappeared.
							Audio and operations must be normal.
			2		Check the CD playback.		Audio and operations (search etc.) must be normal.
			3		Check the USB playback.		Audio and operations must be normal.
			4		Check the internet radio or Network audio playback.		Audio and operations must be normal.
			5		Check the Wi-fi antenna.		Confirm whether you refer to "5.4 CHECKING TERMINALS"
							-"2. Checking the Wi-Fi Antenna", and the SSID of the wireless
B							LAN router is displayed.
			6		Check the tuner operations.		Audio and operations (station search etc.) must be normal.
			7		Check the Line input playback.		Audio and operations must be normal.
			8		Check the appearance of the product.		No scratches or dirt on its appearance after receiving it
							for service.
		See the table below for the items to be checked regarding audio.
					Item to be checked regarding audio
			Distortion
C			Noise
			Volume too low
			Volume too high
			Volume fluctuating
			Sound interrupted

D

3.2 JIGS LIST

Jigs List

			Jig Name	Part No.	Remarks
			Service remote control unit	GGF1381	Service mode
	E		RS-232C update jig	GGF1642	Firmware update
			BtoB extension jig cable	GGD1770	Diagnosis (POWER Assy ↔ CD Assy)
			3P Extension jig cable	GGD1773	Diagnosis (MAIN Assy ↔ CNT2 Assy)
			Extension jig FFC	GGD1774	Diagnosis (MECHA ↔ CD Assy)
			4P Extension jig cable	GGD1809	Diagnosis (FRONT Assy ↔ CNT3 Assy)
			BtoB extension jig cable	GGD1810	Diagnosis (CNT2 Assy ↔ CNT3 Assy)
			BtoB extension jig cable	GGD1811	Diagnosis (MAIN Assy ↔ CNT1 Assy)
			BtoB extension jig cable	GGD1812	Diagnosis (MAIN Assy ↔ CD Assy)
			FPC Extension jig	GGD1813	Diagnosis (FRONT Assy ↔ CNT3 Assy)

F

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X-HM81-K

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3.3 PCB LOCATIONS

A

BCO_STOPPER ASSY

C BT ASSY

MAIN ASSY D

(X-HM81 only)

E BCO ASSY

B TUNER ASSY

CNT3 ASSY H

G CNT2 ASSY

B

CD ASSY A

F CNT1 ASSY

MECHA

N POWER ASSY

F_USB ASSY J					L			C
							KEY ASSY
F_AUX ASSY I							M DOCKING ASSY
FRONT ASSY K
							Cabinet (Bottom view)
								D

E

F

X-HM81-K

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ANOTES: - 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.

LIST OF ASSEMBLIES

			Mark	Symbol and Description	X-HM81-K	X-HM81-S	XC-HM81-K	XC-HM81-S
					/SYXE8	/SYXE8	/SYXE8	/SYXE8
			NSP	1..PCB TOTAL ASSY FRONT	7025MU1105030-IL	7025MU1105030-IL	7025MU1105030-IL	7025MU1105030-IL
				2..FRONT ASSY	7028072531010-IL	7028072531010-IL	7028072531010-IL	7028072531010-IL
			NSP	2..CNT1 ASSY	• • • • •	• • • • •	• • • • •	• • • • •
				2..KEY ASSY	7028072533010-IL	7028072533010-IL	7028072533010-IL	7028072533010-IL
	B			2..TUNER ASSY	7028072534030-IL	7028072534030-IL	7028072534030-IL	7028072534030-IL
				2..F_AUX ASSY	7028072535010-IL	7028072535010-IL	7028072535010-IL	7028072535010-IL
				2..F_USB ASSY	7028072536010-IL	7028072536010-IL	7028072536010-IL	7028072536010-IL
				2..BT ASSY	7028072537010-IL	7028072537010-IL	7028072537010-IL	7028072537010-IL
			NSP	1..PCB TOTAL ASSY POWER	7025MU1105031-IL	7025MU1105031-IL	7025MU1105031-IL	7025MU1105031-IL
				2..MAIN ASSY	7028072541030-IL	7028072541030-IL	7028072541030-IL	7028072541030-IL
				2..POWER ASSY	7028072542030-IL	7028072542030-IL	7028072542030-IL	7028072542030-IL
			NSP	2..BCO_STOPPER ASSY	• • • • •	• • • • •	• • • • •	• • • • •
				2..DOCKING ASSY	7028072544010-IL	7028072544010-IL	7028072544010-IL	7028072544010-IL
	C
			NSP	1..PCB TOTAL ASSY BRIDG	7025MU1105032-IL	7025MU1105032-IL	7025MU1105032-IL	7025MU1105032-IL
				2..BCO ASSY	7028072551010-IL	7028072551010-IL	7028072551010-IL	7028072551010-IL
				2..CNT2 ASSY	7028072552010-IL	7028072552010-IL	7028072552010-IL	7028072552010-IL
			NSP	2..CNT3 ASSY	• • • • •	• • • • •	• • • • •	• • • • •
				1...PCB TOTAL ASSY CD	7025MU1105034-IL	7025MU1105034-IL	7025MU1105034-IL	7025MU1105034-IL
				2..CD ASSY	7028072301010-IL	7028072301010-IL	7028072301010-IL	7028072301010-IL
				MECHA	8030000010080-IL	8030000010080-IL	8030000010080-IL	8030000010080-IL

Mark

Symbol and Description

X-HM71-K

X-HM71-K

X-HM71-S

X-HM71-S

D

/SYXE8

/CXE

/SYXE8

/AXQ5

NSP

1..PCB TOTAL ASSY FRONT

7025MU1106050-IL

7025MU1106020-IL

7025MU1106050-IL

7025MU1106020-IL

2..FRONT ASSY

7028072531010-IL

7028072531010-IL

7028072531010-IL

7028072531010-IL

NSP

2..CNT1 ASSY

• • • • •

• • • • •

• • • • •

• • • • •

2..KEY ASSY

7028072533010-IL

7028072533010-IL

7028072533010-IL

7028072533010-IL

2..TUNER ASSY

7028072534060-IL

7028072534040-IL

7028072534060-IL

7028072534040-IL

2..F_AUX ASSY

7028072535010-IL

7028072535010-IL

7028072535010-IL

7028072535010-IL

2..F_USB ASSY

7028072536010-IL

7028072536010-IL

7028072536010-IL

7028072536010-IL

2..BT ASSY

Not used

Not used

Not used

Not used

E

NSP

1..PCB TOTAL ASSY POWER

7025MU1106051-IL

7025MU1106021-IL

7025MU1106051-IL

7025MU1106031-IL

2..MAIN ASSY

7028072541060-IL

7028072541040-IL

7028072541060-IL

7028072541050-IL

2..POWER ASSY

7028072542030-IL

7028072542040-IL

7028072542030-IL

7028072542030-IL

NSP

2..BCO_STOPPER ASSY

• • • • •

• • • • •

• • • • •

• • • • •

2..DOCKING ASSY

7028072544010-IL

7028072544010-IL

7028072544010-IL

7028072544010-IL

NSP

1..PCB TOTAL ASSY BRIDG

7025MU1106022-IL

7025MU1106022-IL

7025MU1106022-IL

7025MU1106022-IL

2..BCO ASSY

7028072551020-IL

7028072551020-IL

7028072551020-IL

7028072551020-IL

2..CNT2 ASSY

7028072552020-IL

7028072552020-IL

7028072552020-IL

7028072552020-IL

NSP

2..CNT3 ASSY

• • • • •

• • • • •

• • • • •

• • • • •

F

1...PCB TOTAL ASSY CD

7025MU1105034-IL

7025MU1105034-IL

7025MU1105034-IL

7025MU1105034-IL

2..CD ASSY

7028072301010-IL

7028072301010-IL

7028072301010-IL

7028072301010-IL

MECHA

8030000010080-IL

8030000010080-IL

8030000010080-IL

8030000010080-IL

8

X-HM81-K

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A

B

C

D

E

F

X-HM81-K

9

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A

B

C

D

E

F

1		2		3		4

4. BLOCK DIAGRAM

4.1 OVERALL WIRING DIAGRAM

-When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB 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.

(7028072534030-IL: X-HM81, XC-HM81)

-

: The power supply is shown with the marked box.

(7028072534060-IL: X-HM71/SYXE8)

(7028072534040-IL: X-HM71/CXE, AXQ5)

CP

1: BT

B

2: AG

2: VIDEO_GND

TUNER ASSY

3: BT

6: SU

1: VIDEO_GND

4: GN

5: SU

D

D

1/3-

D

3/3

3: DOCK_CVBS

7: SU

6: A_GND

10: S

4: SW_GND

8: M

5: SW_OUT

9: CS

7: LINE_IN_R

11: S

8: A_GND

12: M

MAIN ASSY

9: LINE_IN_L

13: I

1: RESX

1: USB_R

12: A_GND

15: V

CP30

CP31

10: A_GND

14: M

(7028072541030-IL: X-HM81, XC-HM81)

11: DAB/TU_R

4: DB2/B2

4: +12V

15: VIDEO_MUTE

CP12

CP11

16: D

18: D

2: DB0/B0

2: A_GND

13: DAB/TU_L

17: D

3: DB1/B1

3: USB_L

14: A_GND

(7028072541060-IL: X-HM71/SYXE8)

6: DB4/B4

6: DAC_RESET

17: TU/DAB_RST

2: AGND

2: DB0/B0

19: D

21: V

5: DB3/B3

5: +12V

16: SW_MUTEBASE

1: BT_R

1: RESX

20: V

7: DB5/B5

7: AUDIO_SEL

(7028072541040-IL: X-HM71/CXE)

18: TU_SEN

3: BT_L

3: DB1/B1

24: A

9: DB7/G1

9: SW_OUT

20: GPIO2 DAB_RX

5: SUB_IRQ

5: DB3/B3

8: DB6/G0

8: SW_GND

19: TU_SCLK

4: AGND

4: DB2/B2

22: V

23: A

10: DB8/G2

10: A_GND

(7028072541050-IL: X-HM71/AXQ5)

21: SDIO DAB_TX

6: SUB_RESET

6: DB4/B4

25: A

12: DB10/G4

12: A_GND

23: A_GND

8: MAIN_SUB_IPOD_DET

8: DB6/G0

11: DB9/G3

11: LINE_IN_R

22: A_GND

7: SUB_PDN

7: DB5/B5

13: DB11/G5

13: LINE_IN_L

24: TU_+5V

CP400

9: CSK_MAIN

9: DB7/G1

14: DB12/R0

14: A_GND

CP512

25: TU_+5V

10: SCDO_MAIN

10: DB8/G2

15: DB13/R1

15: BT/TU_R

11: SCDI_MAIN

11: DB9/G3

16: DB14/R2

16: A_GND

17: DB15/R3

17: BT/TU_L

1: VFD_CE

12: MAIN_IRQ

12: DB10/G4

13: DOCKING_CVBS

13: DB11/G5

18: DB16/R4

18: A_GND

2: VFD_CLK

14: MAIN_USB_POWER

14: DB12/R0

19: DB17/R5

19: VIDEO_MUTE

3: VFD_DI

15: VGND

15: DB13/R1

20: SCL

20: SW_MUTEBASE

16: DM-870-SCLK

16: DB14/R2

21: DE

21: TU_RST(DAB_RST)

CP19

17: DM-870-MCLK

17: DB15/R3

22: CSX

22: TU_SEN

18: DM-870-LRCK

18: DB16/R4

23: DOTCLK

23: TU_SCLK

19: DM-870-DATA

19: DB17/R5

24: HSYNC

24: SDIO DAB_RX

1: SW_GND

11: A_GND

1: SW_GND

20: VFD_DI

20: CSX

25: VSYNC

25: GPIO2 DAB_TX

2: SW_OUT

12: LINE_IN_R

2: SW_OUT

21: VFD_CLK

21: SCL

26: SDA

26: I_POD_DET

3: A_GND

13: A_GND

3: A_GND

22: VFD_CE

22: DE

27: LED-A+

27: CSCK_MAIN

4: BT/TU_R

14: LINE_IN_L

4: BT/TU_R

23: AMP-5V

23: DOTCLK(GND_S

28: LED-CTL

28: SCDO_MAIN

5: A_GND

15: A_GND

5: A_GND

24: AMP+5V

24: HSYNC

29: IOVCC(+3.3V)

29: SCDI_MAIN

6: BT/TU_L

16: A_GND

6: BT/TU_L

25: NC

25: VSYNC

30: IOVCC(+3.3V)

30: MAIN_IRQ

7: A_GND

17: A_GND

7: A_GND

26: SDA

31: GND

31: SUB_RESET

8: USB_R

18: +12V

8: USB_R

27: LED-A+

32: GND

32: SUB_ON

9: A_GND

19: +12V

9: A_GND

28: LED-CTL(SPSW

33: SUB_PDN

33: SUB_IRQ

10: USB_L

10: USB_L

29: IOVCC(+3.3V)

11: A_GND

30: IOVCC(+3.3V)

12: LINE_IN_R

31: GND

CP30

CP31

CP606

13: A_GND

32: GND

15: A_GND

33: GND

14: LINE_IN_L

16: A_GND

17: A_GND

18: +12V

H

19: +12V

CNT3 ASSY

CP604

1: +12V

CP18

2: +12V

3: A_GND

1: DAC_RST

17: SW_MUTEBASE

4: A_GND

CP605

5: -12V

2: AUDIO_SEL

18: VIDEO_MUTE

3: SUB_PDN

19: IPOD_CHARGE_LED

6: -12V

1: B+_27V

7: A_GND

4: SUB_IRQ

20: POWER_ON_LED

8: CD_L

2: B+_27V

5: SUB_ON

21: KEY2

3: AMP_GND

CP712

6: SUB_RESET

22: KEY1

9: A_GND

4: AMP_GND

10: CD_R

7: MAIN_IRQ

23: REMOTE

11: M_GND

5: LCH_AMP_GND

8: SCDI_MAIN

24: TIMER_LED

12: M_GND

6: LCH_AMP_GND

CN702

9: SCDO_MAIN

25: VOLUME+

7: RCH_AMP_GND

13: CD_RX

10: CSCK_MAIN

26: VOLUME-

14: CD_TX

8: RCH_AMP_GND

11: I_POD_DET

27: M3V3

9: B-_27V

12: GPIO2_DAB_RX 28: M3V3_SW

15: CD_RST

13: SDIO_DAB_TX

29: CPU_GND

16: MAIN_BUSY

10: B-_27V

1: B+_27V

14: AMP_-5V

11: RLY_GND

14: TU_SCLK

30: CPU_GND

17: NC

12: RLY_GND

2: B+_27V

15: AMP_+5V

15: TU_SEN

31: CPU_GND

13: AMP_-5V

3: AMP_GND

16: POWER_PROT

16: TU/DAB_RST

4: AMP_GND

17: P/D

14: AMP_-5V

FPC2

5: AMP_GND_L

18: STBY_RLY

15: POWER_PROT

6: AMP_GND_L

19: M_GND

1: CPU_GND

21: DB9/G3

16: AMP_+5V

7: AMP_GND_R

20: M_GND

17: PD

8: AMP_GND_R

21: MICOM_3V9

2: M3V3_SW

22: DB10/G4

CP607

18: STBY_RLY

9: B-_27V

22: MICOM_3V9

3: M3V3

23: DB11/G5

19: M_GND

CP509

10: B-_27V

23: DGND

4: KEY2

24: DB12/R0

1: LCDGND

20: M_GND

11: SPKRLY_GND

24: DGND

5: KEY1

25: DB13/R1

2: LCDGND

21: MICOM_3V9

6: CPU_GND

26: DB14/R2

3: IOVCC(+3.3V)

1: DAC_RST

22: MICOM_3V9

12: SPKRLY_GND

25: NC

2: AUDIO_SEL

13: AMP_-5V

26: NC

7: REMOTE

27: DB15/R3

4: IOVCC(+3.3V)

23: DGND

3: SUB_PDN

8: TIMER_LED

28: DB16/R4

4: SUB_IRQ

24: DGND

9: VOLUME+

29: DB17/R5

25: NC

10: VOLUME-

30: CSX

5: SUB_ON

26: NC

6: SUB_RESET

11: RESX

31: SCL

7: MAIN_IRQ

12: DB0/B0

32: DE

13: DB1/B1

33: DOTCLK

CP18

8: SCDI_MAIN

CN510

14: DB2/B2

34: HSYNC

9: SCDO_MAIN

15: DB3/B3

35: VSYNC

10: CSCK_MAIN

16: DB4/B4

36: SDA

11: I_POD_DET

17: DB5/B5

37: LED-A+

12: GPIO2_DAB_RX

18: DB6/G0

38: LED-CTL

13: SDIO_DAB_TX

19: DB7/G1

39: LED_B

14: TU_SCLK

15: TU_SEN

RHP1: GNDH/P2: LHP3: GNDH/P4:

RFAUX5: GNDAUX6: LFAUX7: DETHP8:

20: DB8/G2

40: LED_A

20: POWER_ON_LED

16: TU/DAB_RST

FPC2

17: SW_MUTEBASE

18: VIDEO_MUTE

19: IPOD_CHARGE_LED

21: KEY2

22: KEY1

23: REMOTE

24: TIMER_LED

25: VOLUME+

HP1:R H/P2:GND HP3:L H/P4:GND FAUX5: R AUX6:GND FAUX7: L HP/DET8:

1: A_+12V

30: CPU_GND

6: A_-12V

26: VOLUME-

2: A_+12V

27: M3V3

3: A_GND

28: M3V3_SW

4: A_GND

I

29: CPU_GND

5: A_-12V

31: CPU_GND

7: A_GND

8: CD_L

CP602

9: A_GND

10: CD_R

F_AUX ASSY

11: M_GND

14: CD_TX

12: M_GND

(7028072535010-IL)

13: CD_RX

17: NC

15: CD_RST

16: MAIN_BUSY

PN1702

FPC515

CN515

CPU1:GND M3V32: SW M3V33: KEY24: KEY15: CPU6:GND

REMOTE7: TIMER8: LED VOLUME+9: VOLUME10: - RESX11: DB0/B012: DB1/B113:

GND1: GND2: IOVCC(+3.3V)3: IOVCC(+3.3V)4:

DB2/B214:

DB3/B315:

DB4/B416:

DB5/B517:

DB6/G018:

DB7/G119:

DB8/G220:

DB9/G321:

DB10/G422:

DB11/G523:

DB12/R024:

DB13/R125:

DB14/R226:

DB15/R327:

DB16/R428:

DB17/R529:

CSX30:

DOTCLK33:

HSYNC34:

VSYNC35:

SDA36:

LED37:-A+

LED38:-CTL

LED39:B

LED40:A

CP500

SCL31:

DE32:

K

1: USB VCC 2: USB VCC 3: USBHO D- 4: USBHO D+ 5: USB GND 6: USB GND 7: NC

MOD500

FRONT ASSY

2: VCI(+3.3V)

10: DB6/G0

11: DB7/G1

12: DB8/G2

13: DB9/G3

14: DB10/G4

15: DB11/G5

16: DB12/R0

17: DB13/R1

18: DB14/R2

19: DB15/R3

20: DB16/R4

21: DB17/R5

25: DOTCLK

33: LED-K4 34: IOVCC(+3.3V) 35: GND

(7028072531010-IL)

J

1: GND

3: RESX

4: DB0/B0

5: DB1/B1

6: DB2/B2

7: DB3/B3

8: DB4/B4

9: DB5/B5

22: CSX

23: SCL

24: DE

26: HSYNC

27: VSYNC

28: SDA 29: LED-A+ 30: LED-K1 31: LED-K2 32: LED-K3

1: CPU GND

2: KEY2

CP508

F_USB ASSY

LCD

(7028072536010-IL)

10

X-HM81-K

	1		2		3		4

	5		6		7

									X-HM81,
		E		E	1/2-	E	2/2	BCO ASSY
	-HM81, XC-HM81)								XC-HM81
									ONLY
		(7028072551010-IL: X-HM81, XC-HM81)
	-HM71/SYXE8)
	-HM71/CXE, AXQ5)	(7028072551020-IL: X-HM71)

ER ASSY

P12

BT_R

AGND

BT_L

AGND SUB_IRQ SUB_RESET SUB_PDN

MAIN_SUB_IPOD_DET CSK_MAIN SCDO_MAIN SCDI_MAIN MAIN_IRQ DOCKING_CVBS MAIN_USB_POWER VGND

DM-870-SCLK

DM-870-MCLK

DM-870-LRCK

DM-870-DATA VFD_DI VFD_CLK VFD_CE AMP-5V AMP+5V

NC

712

CP8

BT1:MUTE BT2:R AGND3: BT4:L BCO5:GND

CP6

5: SUB_IRQ

ON/CEBT6: BT7:+5V BT8:ID BT9:DET BT10:TX/URX BT11:RX/UTX BT12:/OC

1: BT_R

2: AGND

3: BT_L

4: GND

6: SUB_RESET

CP2

7: SUB_PDN

8: MAIN_IPOD_DET

+5V1:

+5V2: D3:- D+4: GND5: GND6:

10: SCDO_MAIN

9: CSK_MAIN

11: SCDI_MAIN

CP5

12: MAIN_IRQ

17: DM-870-MCLK

5: VDD

-D1: D+2: +5V3:

GND4: GND5: DETIPOD6: CVBSIPOD7: MIITXCLK8:

CP7

13: IPOD_CVBS

1: GND

14: MAIN_USB_POWER (NC)

2: GND

15: VGND

3: GND

16: DM-870-SCLK

4: VDD

DOCKING ASSY

CP11

19: DM-870-DATA

7: +5V

CP1

2: GND

M

1: RESX

18: DM-870-LRCK

6: VDD

1: GND

(7028072544010-IL)

20: VFD_DI

8: -5V

3: GND

3: DB1/B1

22: VFD_CE

5: IOVCC(+3.3V)

2: DB0/B0

21: VFD_CLK

4: IOVCC(+3.3V)

4: DB2/B2

23: AMP-5V

6: LED-CTL(SPSW)

5: DB3/B3

24: AMP+5V

7: LED-A+

PWR

CP4

7: DB5/B5

25: AMP+5V

9: VSYNC

6: DB4/B4

8: SDA

ACCESSORY1:

13: DB11/G5

15: DB17/R5

VIDC2: IPOD3:DET GNDD4: GNDD5: USB6:+5V USB7:D+ USB8:D-

8: DB6/G0

10: HSYNC

9: DB7/G1

11: DOTCLK

10: DB8/G2

CP8

CP7

12: DE

11: DB9/G3

13: CLK

12: DB10/G4

14: CSX

14: DB12/R0

16: DB16/R4

15: DB13/R1

17: DB15/R3

16: DB14/R2

18: DB14/R2

17: DB15/R3

19: DB13/R1

18: DB16/R4

20: DB12/R0

19: DB17/R5

21: DB11/G5

20: CSX

22: DB10/G4

21: SCL

23: DB9/G3

CP402

CP505

CP506

22: DE

24: DB8/G2

23: DOTCLK(GND_SHIELD)

25: DB7/G1

1: VIDEO_GND

1: USB_R

1: RESX

24: HSYNC

CP12

CP11

26: DB6/G0

2: VIDEO_GND

2: A_GND

2: DB0/B0

25: VSYNC

27: DB5/B5

3: DOCK_CVBS

3: USB_L

3: DB1/B1

26: SDA

28: DB4/B4

4: SW_GND

4: +12V

4: DB2/B2

27: LED-A+

CP402

29: DB3/B3

5: SW_OUT

5: +12V

5: DB3/B3

28: LED-CTL(SPSW)

30: DB2/B2

6: A_GND

6: DAC_RESET

6: DB4/B4

29: IOVCC(+3.3V)

30: IOVCC(+3.3V)

31: DB1/B1

7: LINE_IN_R

7: AUDIO_SEL

7: DB5/B5

32: DB0/B0

8: A_GND

8: SW_GND

8: DB6/G0

31: GND

33: RESX

9: LINE_IN_L

9: SW_OUT

9: DB7/G1

32: GND

10: A_GND

10: A_GND

10: DB8/G2

33: GND

11: DAB/TU_R

11: LINE_IN_R

11: DB9/G3

12: A_GND

12: A_GND

12: DB10/G4

1: VFD_DI

13: DAB/TU_L

13: LINE_IN_L

13: DB11/G5

14: A_GND

14: A_GND

14: DB12/R0

2: VFD_CLK

15: VIDEO_MUTE

15: BT/TU_R

15: DB13/R1

3: VFD_CE

16: SW_MUTEBASE

16: A_GND

16: DB14/R2

CN511

18: TU_SEN

18: A_GND

18: DB16/R4

17: TU/DAB_RST

17: BT/TU_L

17: DB15/R3

CP505

CP506

19: TU_SCLK

19: VIDEO_MUTE

19: DB17/R5

20: DAB_RX GPIO2

20: SW_MUTEBASE

20: SCL

21: DAB_TX SDIO

21: TU_RST(DAB_RST)

21: DE

22: A_GND

22: TU_SEN

22: CSX

23: A_GND

23: TU_SCLK

23: DOTCLK

24: TU_+5V

24: SDIO DAB_RX

24: HSYNC

25: TU_+5V

25: GPIO2 DAB_TX

25: VSYNC

26: I_POD_DET

26: SDA

27: CSCK_MAIN

27: LED-A+

28: SCDO_MAIN

28: LED-CTL

CNT2 ASSY

29: SCDI_MAIN

29: IOVCC(+3.3V)

G

31: SUB_RESET

31: GND

30: MAIN_IRQ

30: IOVCC(+3.3V)

(7028072552010-IL: X-HM81, XC-HM81)

32: SUB_ON

32: GND

33: SUB_IRQ

33: SUB_PDN

(7028072552020-IL: X-HM71)

CP710

CN702					+12V +12V +12V GND GND GND			1: MICOM_3V9	16: B-_27V
								2: MICOM_3V9	17: AMP_GND_R
					_ _ _ _ _ _			3: M_GND	18: AMP_GND_R
			5V-	+5V BCO BCO BCO BCO BCO BCO				4: M_GND	19: AMP_GND_L
			1: 2: 3: 4: 5: 6: 7: 8:					5: STBY_RLY	20: AMP_GND_L
1: B+_27V	14: AMP_-5V					F		6: P/D	21: AMP_GND
2: B+_27V	15: AMP_+5V						CNT1 ASSY	7: NC	22: AMP_GND
3: AMP_GND	16: POWER_PROT							8: POWER_PROT	23: B+_27V
5: AMP_GND_L	18: STBY_RLY							10: AMP_+5V	25: BCO_GND
4: AMP_GND	17: P/D							9: AMP_+5V	24: B+_27V
6: AMP_GND_L	19: M_GND							11: AMP_-5V	26: BCO_GND
7: AMP_GND_R	20: M_GND							12: AMP_-5V	27: BCO_GND
8: AMP_GND_R	21: MICOM_3V9							13: SPKRLY_GND	28: BCO_+12V
9: B-_27V	22: MICOM_3V9							14: SPKRLY_GND	29: BCO_+12V
10: B-_27V	23: DGND							15: B-_27V	30: BCO_+12V
11: SPKRLY_GND	24: DGND
12: SPKRLY_GND	25: NC
13: AMP_-5V	26: NC

8

1: BT MUTE

2: BT R

3: A GND

4: BT L

5: BCO GND

6: BT ON/CE

7: BT +5V

8: BT ID

9: BT DET

10: BT TX/U RX

11: BT RX/U TX

12: BT /OC

C

BT ASSY

CP1001

(7028072537010-IL)

AC IN

CP301

N

POWER ASSY (7028072542030-IL:

X-HM81,XC-HM81) (7028072542030-IL:

X-HM71/SYXE8, AXQ5) (7028072542040-IL:

X-HM71/CXE)

CP312

1: MICOM_3V9 2: MICOM_3V9 3: M_GND

4: M_GND

5: STBY_RLY 6: P/D

7: NC

8: POWER_PROT 9: AMP_+5V

10: AMP_+5V

11: AMP_-5V

12: AMP_-5V

13: SPKRLY_GND 14: SPKRLY_GND 15: B-_27V

16: B-_27V 17: AMP_GND 18: AMP_GND 19: AMP_GND 20: AMP_GND 21: AMP_GND 22: AMP_GND 23: B+_27V 24: B+_27V 25: BCO_GND 26: BCO_GND 27: BCO_GND 28: BCO_+12V 29: BCO_+12V 30: BCO_+12V

CP310

1:MOT_GND

2:MOT_GND

3:MOT_+8V

4:MOT_+8V

5:CD3.3V_GND

6:CD3.3V_GND

7:CD_3.3V

8:CD_3.3V

9:NC

10:A_+12V

11:A_+12V

12:A_GND

13:A_GND

14:A_-12V

15:A_-12V

A

B

C

D

1:A_+12V

2:A_+12V

3:A_GND

4:A_GND

5:A_-12V

6:A_-12V

7:A_GND

8:CD_L

9:A_GND

10:CD_R

11:M_GND

12:M_GND

13:CD_RX

14:CD_TX

15:CD_RST

16:MAIN_BUSY

17:NC

PN1702

PN1602 - T+ - F+ PD VR LD GND C B A D E SVCC VREF F1: 2: T3: 4: 5: 6: 7: 8: F9: 10: 11: 12: 13: 14: 15: 16:

A

CD ASSY (7028072301010-IL)

1: SP+ 2: SP- 3: SL+ 4: SL- 5: Limit SW 6: GND	1: CLOSE_SW 2: GND 3: OPEN_SW 4: MOTOR_+ 5: MOTOR_-
PN1604	PN1603

1:MOTRO_GND

2:MOTRO_GND

3:MOTRO_+8V

4:MOTRO_+8V

5:CD_GND

6:CD_GND

7:CD_3V3

8:CD_3V3

9:NC

10:A_+12V

11:A_+12V

12:A_GND

13:A_GND

14:A_-12V

15:A_-12V

PN1705

E

IL)

1: CPU_GND 2: KEY2

CP508

L KEY ASSY (7028072533010-IL)

1: CPU_GND 2: KEY2

CN502

MECHA (8030000010080-IL) F

X-HM81-K

11

	5		6		7		8

	1		2		3		4

4.2 OVERALL BLOCK DIAGRAM

D MAIN ASSY

A

Note: Be blocks in MAIN ASSY other than blocks. (There are some exceptions)

B				IC603
				NJU7391
	IC704	INPUT SELECT & VOLUME
				IC208
	G CNT2 ASSY
C
	IC12, 18, 19
	CR870			IC4
		NAND_Flash	SDRAM
D
E BCO ASSY
				LCD	IC60
					SYSTEM U
E					M3030
		LCD
				KEY
F				K FRONT ASSY
12		X-HM81-K
1	2		3	4

5	6			7	8
					A
	AMP BLOCK			LC_FILTER	Speaker
					OUT
	IC608, 612	Q610,615,619,621			B
	AMP	MOSFET
	IRS2092S	IRF6645
					Headphone
		IC605			OUT
					C
	IC606
					Subwoofer
	B TUNER ASSY				OUT
	IC400
	-6dB		DOCKING_VIDEO		D
	+6dB
					CVBS
					OUT
		A CD ASSY		CD BLOCK
IC609
SYSTEM U-com
M30302					E
		IC1604	IC1601	IC1606
	RMC500		IC1603	IC1602
	IR
					F
SY
		X-HM81-K			13
5	6			7	8

	1		2		3

4.3 POWER SUPPLY BLOCK DIAGRAM

A

S1(AMP +B)

B

S2(+12V,-12V)

C

SN

TRAN S3(USB/CD)

MAI

D

AC CORD

E

SUB TRANS

F

14

X-HM81-K

4

B+_27V

B-_27V

IC301

IC303

BCO_+12V

IC311 MOT_+8

IC315

MICOM_

	1		2		3		4

	5		6		7		8

A

	B+_27V	+33V(NO LOAD)
		AMP_+5V
	B-_27V	-33V(NO LOAD)
		AMP_-5V
		A_+12V
	IC301	B
		IC305

IC701

IC307

A_-12V

IC303

IC9

IC11

C

IC13

BCO_+12V

IC14

IC5

IC2

311

MOT_+8V

IC313

CD_+3.3V

D

		MAIN TRANS SPEC(-)
	RATED_VOLTAGE		CURRENT	NO_LOAD
S1	21.5V		2.2A	33V	E
S2	13.6V		0.46A	20.2V
	8.7V		4.2A	17.4V
S3

IC315

MICOM_3V9

F

X-HM81-K

15

	5		6		7		8

	1		2		3		4

5. DIAGNOSIS

5.1 TROUBLESHOOTING

A • No Power

Protect (protection history)

			Yes
		Does DC protect work?
			No
B			Yes
		Does POWER protect
		work?
			No

•Detection DC from AMP circuit.

Check the IC608, IC612 and its peripheral circuits. (MAIN Assy)

•Detection overvoltage on +B line.

Check the D307 and its peripheral circuits. (POWER Assy)

•Detection short-circuit on power supply circuits. D307: B+_27V, B-_27V

IC305, IC307: AMP_+5V, AMP_-5V IC315: MICOM_3V9

IC301, IC303: A_+12V, A_-12V IC313: CD_3.3V

Check each IC mentioned above and peripheral circuits.

•Check workings of primary relay (RLY301).

•Check whether secondary fuse (FU302 to 305) does not perform blowout. (POWER Assy)

		Does AMP protect		Yes
		work?
			No
C		Does		Yes
		OVERTEMP1 protect
		work?
			No
		Does		Yes
		OVERTEMP2 protect
		work?
			No

•Detection abnormality of the AMP circuit.

Check the IC608, IC612 and its peripheral circuits. (MAIN Assy)

•Detection abnormal temperature of the AMP L ch circuit. Check the IC608 and its peripheral circuits. (MAIN Assy)

•Detection abnormal temperature of the AMP R ch circuit. Check the IC612 and its peripheral circuits. (MAIN Assy)

Does PWM protect work?

D	No

Does BT Protect

work?

No

Does USB protect work?

No

E

	Yes		• Detection PWM abnormality output of the AMP circuit.
			Check the IC608, IC612 and its peripheral circuits. (MAIN Assy)
X-HM81, XC-HM81 only
	Yes		• Detection an overcurrent of Bluetooth power
			Check the IC600 and its peripheral circuits.
			Check the short-circuit of BT_+5V power (BT Assy).
	Yes		• Detection an overcurrent of power of Front USB or iPod Dock.
			Check the IC11 and IC14 and its peripheral circuits.
			Check the short-circuit of 5V power of Front USB or iPod Dock
			(BCO Assy/DOCKING Assy/F_USB Assy).
			Be not the trouble that each Protect circuit works.

F

16

X-HM81-K

	1		2		3		4

	5		6		7		8

MAIN UCOM

Is the

output voltage of the regulator No IC (IC315) for microcomputer power

supply 3.9 V?

(POWER Assy)

Yes

Is 3.3V supplied to	No
MAIN UCOM (IC601)?

(MAIN Assy)

Yes

Does

the oscillator (XTAL600) for No MAIN UCOM (IC601) oscillate

it?

(MAIN Assy)

Yes

Check the IC315 and its peripheral circuits. (POWER Assy)

•Check the D600. (MAIN Assy)

•Check connection between each Assy.

Check the XTAL600 and its peripheral circuits. (MAIN Assy)

Check the IC601 and its peripheral circuits. (MAIN Assy)

A

B

• No Sound

A sound does not come out of FRONT SP

The sound from a source of CD, USB, TUNER, iPod, LINE, F.AUX does not come out.

C

Does		No
the audio signal appear to				Check the state of each sound source. (*1)
coupling condenser arround
volume IC (IC603)?
	(MAIN Assy)
	Yes

Does

a signal output it from No OP-AMP IC (IC602)

pin 1, 7?

(MAIN Assy)

Yes

Does

a signal output it from No AMP IC (IC608, 612)

pin 13?

(MAIN Assy)

Yes

•Check the IC602 and its peripheral circuits. (MAIN Assy)

•Check the MAIN MUTE circuit.

D

• Check the IC608, IC612 and its peripheral circuits. (MAIN Assy) • Check the Q621, Q623, Q640, Q641 and its peripheral circuits.

(MAIN Assy)

• Check the speaker realy. (MAIN Assy)

(*1) The confirmation that is in a state of each sound source

	Does	No
	the sound of CD, Analog
	AUX, TUNER, LINE come
	out?

Yes -> Check the BCO system audio. (USB/iPod/Ethernet/WIFI/BT)

Does		None of the audio of BCO system
a signal output it from		outputs it.
DAC IC (IC208) pin 10,
11?
	(CNT2 Assy)
	Output it depending on input

[Failure in the individual analog-signal paths]

•Check each input circuit part and each Assy.

•Failure in connection for volume IC (IC603).

•Check the IC603 and its peripheral circuits.

•Check the IC208 and its peripheral circuits. (CNT2 Assy)

• Check the digital audio path between the CR870 (MODULE on BCO Assy) and IC208.

•Replace the CR870 (MODULE on BCO Assy).

•Check the input blocks and its peripheral circuits and power

supply voltages.

• Replace the CR870 (MODULE on BCO Assy).

E

F

X-HM81-K

17

	5		6		7		8

1

A

A sound does not come out of headphones

B

A sound does not come out of SW PREOUT

• CD does not work

CD does not work (playback)

C

D

E

F

18

2

3

4

When you

No

connected HP, do hear the

• Check the HP DET signal and its peripheral circuits.

working sound of the SP relay

(a snick sound)?

Yes

Does

No

a signal output it from

• Check the IC605 and its peripheral circuits. (MAIN Assy)

HP AMP IC (IC605)

pin 1, 7?

(MAIN Assy)

Yes

• Check the HP MUTE circuit. (MAIN Assy)

Does

No

• Check the connection between the MAIN Assy and F_AUX Assy.

a signal output it from

• Check the IC606 and its peripheral circuits. (MAIN Assy)

OP-AMP IC (IC606)

pin 7?

(MAIN Assy)

Yes

• Check the SW MUTE circuit. (TUNER Assy)

• Check connection between each Assy.

Is FFC

No

to connect Pickup Assy and

• Check connection between each cable.

CD Assy connected?

Yes

(CD Assy)

Is the

No

• Check whether a cable is arranged neatly.

cable arranged neatly

arround CD tray section?

(A cable do not touch a Disc rotate section)

Yes

Is the

No

power supply voltage of

• Check the IC311 and its peripheral circuits. (POWER Assy)

the BTL driver (IC1606)

8 V?

(CD Assy)

Yes

Is the power

No

supply voltage of the CD UCOM

• Check the IC313 and its peripheral circuits. (POWER Assy)

(IC1604), CD DSP (IC1601)

3.3 V?

(CD Assy)

Yes

Does

No

the oscillator (X1602) for

• Check the IC1604, X1602 and its peripheral circuits. (CD Assy)

CD UCOM oscillate it?

Yes

(CD Assy)

Does

No

the oscillator (X1601) for

• Check the IC1601, X1601 and its peripheral circuits. (CD Assy)

CD DSP (IC1601) oscillate

it?

(CD Assy)

Yes

Does a

No

signal output it from CD DSP

• Check the IC1601, X1601 and its peripheral circuits. (CD Assy)

(IC1601) pin 14

(DCLK)?

(CD Assy)

Yes

Is the signal

No

• Check the IC1604 and its peripheral circuits. (CD Assy)

of CD UCOM (IC1604) pin 40

• Check the IC601 pin 51 (CD RESET signal). (MAIN Assy)

(CD RESET) "H"?

Yes

(CD Assy)

Is the signal

No

of CD UCOM (IC1604) pin 9

• Check the IC1604 and its peripheral circuits. (CD Assy)

(8035 RESET) "H"?

Yes

(CD Assy)

Does signals

No

output from CD UCOM (IC1604)

• Check the IC1604 and its peripheral circuits. (CD Assy)

pin 25, 27, 28 (MAIN_BUSY,

CD_RX, CD_TX)?

Yes

(CD Assy)

• Check the IC1601, IC1606 and its peripheral circuits. (CD Assy)

X-HM81-K

	1		2		3		4

	5		6

					Are CD Mecha and
	CD tray does not do working
	(OPEN/CLOSE)				CD Assy connected?
						Yes	(CD Assy)
					When operating any keys,
					does the signals of CD DSP(IC1601)
					pin 108, 114 switch to "H" / "L"?
						Yes	(CD Assy)

7		8

No

• Check connection between each cable.

No

• Check the IC1601 and its peripheral circuits. (CD Assy)

	When operating any keys,			No
	does the signals of BTL Driver(IC1606)						• Check the IC1606 and its peripheral circuits. (CD Assy)
	pin 9, 10 switch to "H" / "L"?
		Yes	(CD Assy)
	When operating any keys,			No
	does the signals of connector (PN1603)						• Check the IC1601 and its peripheral circuits. (CD Assy)
	pin 1, 3 switch to H" / "L"?
		Yes	(CD Assy)
							• Replace the CD Deck Motor.

• LCD does not lit

	Is LCD		No
	power supply normal?
	MOD500 Pin 2,29,34
		(FRONT Assy)
		Yes
	Is the		No
	reset signal of LCD normal?
	If MOD500-Pin 3 is "H", its
	normal.
		(FRONT Assy)
		Yes
	Are the		No
	other signals of MOD500
	normal?
		Yes

•Check the connection between the BCO Assy and FRONT Assy.

•Check the IC5 and IC13 and its peripheral circuits. (BCO Assy)

•Check the connection between the BCO Assy and FRONT Assy.

•Check the IC4 and its peripheral circuits. (BCO Assy)

• Check the connection between the BCO Assy and FRONT Assy.

• Replace the LCD MODULE.

A

B

C

D

• Do not recognize it in Front USB

Mass storage			Yes
Device is OK, and is only Apple
Device NG?
	No: Both device NG
Is the 5V			No
power supply supplied in 5 and
6 Pins of CP500?
	(F_USB Assy)
	Yes

•Check the connection of Lug wire between the F_USB Assy and F_AUX Assy.

•Replace the CR870 (MODULE on BCO Assy).

E

•Check the connection between the F_USB Assy and BCO Assy.

•Check the IC9 and its peripheral circuits. (BCO Assy)

Is there USB		No		• Check the connection between the F_USB Assy and BCO Assy.
signal at 3 and 4 Pins of				• Check the IC12 and its peripheral circuits. (BCO Assy)
CP500?				• Replace the CR870 (MODULE on BCO Assy).
	Yes
				• Replace the CR870 (MODULE on BCO Assy).

F

X-HM81-K

19

	5		6		7		8

	1		2		3		4

A	• Do not recognize it in iPod Dock
	Does the Charge LED	No		Cannot recognize physical connection of iPod/iPhone.
				• Check the path of the iPod DET signal between Pin 1 of CP1 (DOCKING Assy)
	light?			and Pin 55 of IC609 (MAIN Assy). ("L" is normal at iPod/iPhone is connected).

Yes

	Is the		No
	5V power supply supplied
	in 23 Pin of CP1?
		Yes (DOCKING Assy)
	B		No
	Is there USB

signal at 25 and 27 Pins of CP1?

•Check the connection between the DOCKING Assy and BCO Assy.

•Check the IC13 and its peripheral circuits. (BCO Assy)

•Check the connection between the DOCKING Assy and BCO Assy.

• Check the IC12 and its peripheral circuits. (BCO Assy)

• Replace the CR870 (MODULE on BCO Assy).

Yes

• Replace the CR870 (MODULE on BCO Assy).

• No Picture (iPod VIDEO)

C

iPod video does not display.

D

Does a

CVBS signal output to No connector (CP400)

pin 3?

Yes (TUNER Assy)

Does a

CVBS signal output to No connector (CP4)

pin 2?

(DOCKING Assy)

Yes

•Check the VIDEO SW IC (IC400) and its peripheral circuits. (TUNER Assy)

•Check connection between each Assy.

•Check the connection between the DOCKING Assy and TUNER Assy.

•Check the internal circuits of the DOCKING Assy.

•Check the setting of iPod/iPhone that is external connection.

E

F

20

X-HM81-K

	1		2		3		4

	5		6		7		8

5.2 PROTECTION CIRCUIT

If a protection circuit is activated then the unit enters Standby mode, the LED flashes in accordance with the activated protection function, as shown in the table below.

Protection	LED flashing time		Operation
	LED ON	LED OFF	Lock
DC	100 msec	900 msec	Lock
POWER	500 msec	500 msec	Lock
AMP	100 msec	100 msec	—
OVER TEMP1	100 msec	100 msec	—
OVER TEMP2	100 msec	100 msec	—
PWM	900 msec	100 msec	Lock
BT (*)	100 msec	100 msec	—	*X-HM81,XC-HM81 only
USB	100 msec	100 msec	—

If the DC, POWER, or PWM protection circuit is activated, operation of the unit will be locked. The buttons that can be used to release operation lock are as follows:

Simultaneously press the "INPUT" and "np" (Tune Up, Skip Up) buttons on the front panel, or simultaneously press the "STANDBY/ON" and "g" (STOP) buttons on the front panel.

After operation lock is released and the unit is then turned ON, the unit will perform the following:

•Count the number of activations of protection circuits

•Cancel flashing of the LED

Description of Each Function

• DC Protect

The DC outputs from AMP_OUT_L and AMP_OUT_R are detected to avoid DC current surge to the speakers and excess voltage at B+ (+33 V).

The protection circuit is activated when the signal at Pin 3 of IC601 changes from H to L.

D MAIN ASSY

M3V3_SW

					R602
	MAIN_MICOM	3
								DC_PROTECT
	IC601_3 pin
	DC_PROTECT

D620

KDS4148U

		B+
				C731	R824
				100N-K
					100K
	R826	Q635	KTA1268
MTZ22B	47K(1/4)
				Q636
				KTC3198

	AMP OUT R	AMP OUT L
Q639	KTC3198	R867

R827 10K

A

B

C

D

E

F

X-HM81-K

21

	5		6		7		8

	1		2		3		4

A• Power Protect

The protection circuit is activated when short-circuiting is detected at the regulator output. The circuit is activated when the signal at Pin 4 of IC601 changes from H to L.

Detected power: B+_27V, B-_27V, AMP_+5V, AMP_-5V, MICOM_3V9, A_+12V, A_-12V, CD_3.3V

Note: The above names are the indications on the POWER Assy. The indications of power may be different on other Assys.

		N	POWER ASSY	F	CNT1 ASSY	D	MAIN ASSY

B

POWER_PROT

To

Power supply, Regulator

M3V3_SW

R660

MAIN_MICOM

4IC601_4 pin POWER_PROT

• AMP_PROTECT

The protection circuit is activated when excess current is detected from the AMP. The circuit is activated when the signal at Pin 78 of IC601 changes from L to H.

C

D MAIN ASSY

MAIN_MICOM

IC601_78 pin 78

DC_PROTECT

D

	M3V3_SW
	MODE1	IC608
AMP_PROTECT_DET
	SELF	or
		IC612
R606

• OVER_TEMPERATURE_PROTECT_1

E

The protection circuit is activated when abnormally high temperature is detected by the P600 PTC thermistor near IC608 (AMP_Lch).

The circuit is activated when the signal at Pin 92 of IC601 changes from H to L.

F

D MAIN ASSY

M3V3_SW

R751
P600							MAIN_MICOM
							IC601_92 pin
				OTP1		92 OVER_
							TEMPERATURE_
R748							PROTECT_1

22

X-HM81-K

	1		2		3		4

	5		6		7		8

• OVER_TEMPERATURE_PROTECT_2

The protection circuit is activated when abnormally high temperature is detected by the P601 PTC thermistor near IC612 (AMP_Rch).

The circuit is activated when the signal at Pin 93 of IC601 changes from H to L.

D MAIN ASSY

M3V3_SW

R788
P601							MAIN_MICOM
							IC601_93 pin
				OTP2		93 OVER_
							TEMPERATURE_
R787							PROTECT_2

• PWM_PROTECT

The protection circuit is activated when abnormally PWM output is detected in the AMP_OUT_L and AMP_OUT_R. The circuit is activated when the signal at Pin 2 of IC601 changes from H to L.

	D MAIN ASSY					M3V3_SW
	C728	D621				R608	MAIN_MICOM
	68N	1SS355	R821 100K
				C730	PWM_DETECT	2	DC_PROTECT
	AMP_OUT_R
							IC601_2 pin
	AMP_OUT_L			10N	Q632
		D619	R818		KTC3875S
	C729
		1SS355	27K
	68N
		R859
	R820
		10(1)
	10(1)

• BT_OVERLOAD_PROTECT (X-HM81 and XC-HM81 only)

The protection circuit is activated when overcurrent (0.55 A or over) of 5 V power supply supplied in Bluetooth adapter from ADAPTER PORT terminal is detected.

The circuit is activated when the signal at Pin 104 of IC1 changes from H to L.

C

BT ASSY

E

BCO ASSY

BCO MODULE (CR870)

D3.3V

IC1

R256

DM870

BTSW

104

IC600_4 pin

BT_OL

Y14 Y14 MICRS

• USB_OVERLOAD_PROTECT

The protection circuit is activated when overcurrent (USB: 2.1 A or over, iPod Dock: 1 A or over) of 5 V power supply of Front USB or iPod Dock.

The circuit is activated when the signal at Pin 70 of IC1 changes from H to L.

E

BCO ASSY

BCO MODULE (CR870)

D3.3V

IC1

R26

DM870

F_USB SW

IC11_8 pin

FAULT

70

M2 M2 VCO0

DOCKING SW

IC14_8 pin

X-HM81-K

23

A

B

C

D

E

F

	5		6		7		8

	1		2

5.3 POWER MANAGEMENT

A

The power supply state transition of this unit becomes the right figure.

Cold Standby:

Mode in which power consumption becomes lowest

Only the main microcomputer among all the microcomputers is powered.

Power On:

Mode in which AC Relay is turned ON and all microcomputers are powered

B

iPod Charge:

Mode in which an iPod is inserted in its dock in modes other than Power On

In this mode, an iPod device that is plugged into the USB terminal or the dock can be charged.

The power-supply status is the same as that during power-on with an HP inserted.

Network Standby:

Mode in which the LCD is unlit with Bco powered in order to save startup time of Bco

The audio and video output signals are muted, and the keys

and buttons other than the STANDBY/ON key are masked.

C

Basically, this mode is the same as iPod Charge mode.

3

4

							Cold
						Standby
														3
9											4
	Network													iPod
						1		2
	Standby											Charge
				5
										7
													8
		6				PowerOn

			No.	Shifting	Factor
			1	ColdStandby -> Power On	STANDBY/ON on the unit
					STANDBY/ON on the remote control unit
					WakeUpStart
					STANDBY/ON on the unit
					STANDBY/ON on the remote control unit
			2	Power On -> ColdStandby	Sleep
	D				AutoPowerOff
					WakeUpEnd
					FactoryReset
			3	iPodCharge -> ColdStandby	Dock removed
			4	ColdStandby -> iPodCharge	Dock inserted
			5	Power On -> NetworkStandby	NetworkStandby on the remote control unit
					ControlAppPowerOff
					STANDBY/ON on the unit
					STANDBY/ON on the remote control unit
			6	NetworkStandy -> Power On	WakeUpStart
					ControlAppPowerOn
	E				Air Play started
					DMR started
					STANDBY/ON on the unit
					STANDBY/ON on the remote control unit
			7	iPodCharge -> Power On	WakeUpStart
					ControlAppPowerOn
					Air Play started
					DMR started
					STANDBY/ON on the unit
			8	Power On -> iPodCharge	STANDBY/ON on the remote control unit
					Sleep
					AutoPowerOff
	F
			9	Returning to Network Standby	Removal/insert of the dock

Note: The power-off status caused by activation of a protection circuit is not described in this section. See "5.2 Protection circuit."

24

X-HM81-K

	1		2		3		4

	5		6		7		8

5.4 CHECKING TERMINALS

1. Checking the LAN terminal

A

Connect the PC and this unit directly then set them up as indicated below. Then, access this unit from the PC via a Web browser. If the indications shown in the figure below are displayed, the LAN terminal is normal.

If the LAN terminal is not normal, check the circuit between the LAN terminal and CR870 (Module on BCO Assy).

Setup on this unit:	Setup on the PC:
1 Turn the unit on.	1 Click on Start > Settings > Control Panel.
2 Select the NETWORK function then press SETUP.	2 Open Network Connections then Local Area Connection
3 Select Network Setup > Connection Setup > Wired >	by double-clicking on its icon.
DHCP OFF.	3 Click on Properties to open the Properties window for
4 Set the following items as shown below:	the local area connection.	B
IP address: 192.168.0.1	4 Double-click on Internet Protocol.
Subnet mask:255.255.255.0
Gateway address: 0.0.0.0
DNS (1st): 0.0.0.0
DNS (2nd): 0.0.0.0
Proxy setting: Not to be used
5 After setting is finished, reboot the unit.
MAC Address seal
		C

5 Set the items as shown below.

D

E

F

X-HM81-K

25

	5		6		7		8

	1		2		3		4

AStart the Web browser, input http://192.168.0.1 as a URL. If the screen as indicated below is displayed, the LAN terminal works properly.

If this screen is displayed,

the LAN terminal works properly.

B

C

2. Checking the Wi-Fi Antenna

Make preparations on the wireless LAN router side then check that the SSID for that router is displayed, following the procedure shown below. If the SSID is displayed on the LCD, the Wi-Fi antenna works properly.

If the SSID is not displayed, check the wireless LAN antenna, CR870 (Bco Module), and the cable that connects them. (In the following LCD-display examples, the language setting is English.)

1.	Select the NETWORK function then press SETUP.	4. Select Auto.
2.	Select Network Setting → Network Configuration.

D

3. Select Wireless.

E

F

5. SSID list is displayed.

If the SSID for the prepared router is displayed on the list, the Wi-Fi antenna works properly.

Note:

As the SSID name for a wireless LAN router supports only one-byte alphanumerics, if two-byte characters are used in an SSID name, rename it.

26

X-HM81-K

	1		2		3		4

	5		6		7		8

A

3. Checking the BT Adapter Terminal

If you connect the AS-BT100 or AS-BT200 as shown in the following steps, you can recognize if this unit works properly:

1.Select the BT function, connect the AS-BT100 or AS-BT200, then check that the indication changes as shown in the figure below.

After the AS-BT100/200 is connected, the indication will change as follows:

No Adapter -> Starting -> Waiting Device.

B

If the indication does not change as shown in the above figure, possible causes are as follows:

"No Adapter" remains displayed:

The CR870, module on BCO Assy, cannot detect connection of the AS-BT100/200. Check BT_DET.

The indication stops at "Starting":

The CR870, module on BCO Assy, cannot communicate with the AS-BT100/200.

Check power supply to the AS-BT100/200 and the UART communication line.

Signal lines to be checked: BT_ON/CE, BT_+5V, BT_TX/U_RX, BT_RX/U_TX

2.If the indication changes properly in Step 1, perform pairing with a player then check the audio output signals. If no audio signal is output, check BT_L, BT_R, and BT_MUTE.

4.Checking the USB Terminal

This unit is provided with a USB-path switch (IC12) that switches the paths to the CR870, module on BCO Assy, between the front USB terminal and the upper Docking Terminal, according to the selected function. Accordingly, the behavior of the USB terminal differs, depending on which path is selected. Therefore, checking is required both with the USB and iPod functions.

1.Select the USB function then connect an Apple Device (iPod, etc.) to the USB terminal. If the Apple device is recognized, it is OK.

If "No Data" on the LCD disappears, the device is recognized.

If possible, with the device connected, play a track to check the audio signal for confirmation.

2.Select the iPod function then connect an Apple Device (iPod, etc.) to the USB terminal. If charging of the Apple device starts, it is OK.

If charging does not start, refer to the diagnosis flowchart for a case in which the USB terminal cannot be recognized on "5.1 TROUBLESHOOTING".

C

D

5. Checking the Docking Terminal

The check procedure is similar to that for "4. Checking the USB Terminal," except for one additional verification.

The Docking Terminal is provided with a function that detects a connection of an Apple device during power-off and starts charging. This additional function must be also verified.

1.Select the iPod function then put an Apple device (iPod, etc.) in the Dock. If the Apple device is recognized, it is OK.

If "No Data" on the LCD disappears, the device is recognized.

If possible, with the device connected, play a track to check the audio signal for confirmation.

2.Select the USB function then put an Apple device (iPod, etc.) in the Dock. If charging of the Apple device starts, it is OK.

3.Disconnect the Apple device from the dock then turn the unit off.

Reconnect the Apple device to the Dock. If the CHARGE LED lights and charging starts, it is OK.

If charging does not start, refer to the diagnosis flowchart for a case in which the Docking Terminal cannot be recognized on "5.1 TROUBLESHOOTING"..

X-HM81-K

27

E

F

	5		6		7		8

1

2

3

4

5.5 IC INFORMATION

A

8952HM7100020-IL (UPD78F1166AGF-GAS)(BCO ASSY: IC4)

16-bit Single-chip Microcontrollers

• Pin Function

No.

Mark

Pin Name

I/O

Pin Function

1

P60/SCL0

O

2

P61/SDA0

O

3

P62

O

4

P63

XRST_NW

O

Network module communication reset

5

P31/TI03/TO03/INTP4

USB_DOCK_OVERLOAD

I

Detect that BridgeCo detected a USB overcurrent. Active: L

B

6

P64/RD

USB_DATA_SW

O

DOCK USB DATA switching output L:USB / H: DOCK

7

P65/WR0

DOCK_RESISTER

O

ChargeResister control of USB DATA lines of DOCK

Active: L

8

P66/WR1

USB_RESISTER

O

ChargeResister control of USB DATA lines of USB-A

Active: L

9

P67/ASTB

USB_START

I

Detect that BridgeCo started USB control. H: Start

Active: H

10

P77/EX23/KR7/INTP11

I

11

P76/EX22/KR6/INTP10

DOCK_SEL

I

USB connection switching request of BridgeCo

Active: H

12

P75/EX21/KR5/INTP9

USB_SEL

I

USB connection switching request of BridgeCo

Active: H

13

P74/EX20/KR4/INTP8

HSYNC

I

HSYNC monitor of LCD communication

14

P73/EX19/KR3

O

NC

15

P72/EX18/KR2

XCS_LCD

O

LCD communication chip select output (Flow control-Subcon request)

C

16

P71/EX17/KR1

O

17

P70/EX16/KR0

O

NC

18

P06/WAIT

O

NC

19

P05/CLKOUT

O

NC

20

EVSS1

EVSS1

-

Ground of port block (except P20-P27, P110, P111, P121-P124, P150-P157)

21

P80/EX0

DOCK_PWR_ON

O

DOCK BUS POWER ON/OFF control output

Active: H

22

P81/EX1

USB_PWR_ON

O

USB BUS POWER ON/OFF control output

Active: H

23

P82/EX2

O

NC

24

P83/EX3

O

NC

25

P84/EX4

O

NC

26

P85/EX5

O

NC

D

27

P86/EX6

O

NC

28

P87/EX7

O

NC

29

P30/INTP3/RTC1HZ

VFD_CE

O

FL CE

30

EVDD1

EVDD1

-

Positive power supply of port block (except P20-P27, P110, P111, P121-P124, P150-P157)

31

P50/EX8

O

NC

32

P51/EX9

O

NC

33

P52/EX10

O

NC

34

P53/EX11

O

NC

35

P54/EX12

O

NC

36

P55/EX13

USB_DATA_EN

O

Switch enable output of USB DOCK DATA switch Active: L

37

P56/EX14

O

NC

E

38

P57/EX15

O

NC

39

P17/EX31/TI02/TO02

O

NC

40

P16/EX30/TI01/TO01/INTP5

O

NC

41

P15/EX29/RTCDIV/RTCCL

O

NC

42

P14/EX28/RxD3

DEBUG_RX

I

232C DEBUG RX

43

P13/EX27/TxD3

DEBUG_TX

O

232C DEBUG TX

44

P12/EX26/SO00/TxD0

TX0_DI_NW

O

Data output of network module communication (Sub->DM860)

45

P11/EX25/SI00/RxD0

RX0_DO_NW

I

Data input of network module communication (DM860->Sub)

46

P10/EX24/SCK00

CLK_NW

O

Clock output of network module communication

47

AVREF1

AVREF1

-

F

48

P110/ANO0

BT_MUTE

O

BT MUTE Active: L

49

P111/ANO1

CS_NW

O

Chip select output of network module communication

50

AVREF0

AVREF0

-

28

X-HM81-K

	1		2		3		4

	5		6		7		8

• Pin Function

No.	Mark	Pin Name	I/O		Pin Function
51	AVSS	AVSS	-
52	P157/ANI15		O	NC
53	P156/ANI14		O	NC
54	P155/ANI13		O	NC
55	P154/ANI12		O	NC
56	P153/ANI11		O	NC
57	P152/ANI10		O	NC
58	P151/ANI9		O	NC
59	P150/ANI8		O	NC
60	P27/ANI7	SUB_IRQ	O	SUB → MAIN REQUEST output
61	P26/ANI6		O	NC
62	P25/ANI5	XRST_LCD	O	LCD communication reset
63	P24/ANI4		O	NC
64	P23/ANI3		O	NC
65	P22/ANI2		O	NC
66	P21/ANI1		O	NC
67	P20/ANI0		O	NC
68	P130		O	NC
69	P131/TI06/TO06		O	NC
70	P04/SCK10/SCL10	CSK_MAIN	O	Communication clock of MAIN SUB
71	P03/SI10/RxD1/SDA10	SCDO_MAIN	I	Communication data of SUB ← MAIN
72	P02/SO10/TxD1	SCDI_MAIN	O	Communication data of SUB → MAIN
73	P01/TO00		I	NC
74	P00/TI00	REM	I	IR remote control signal input (NC. only WS)
75	P145/TI07/TO07	PWM_LCD	O	Backlight control (PWM) of LCD communication
76	P144/SO20/TxD2	DI_LCD	O	Data output of LCD communication
77	P143/SI20/RxD2/SDA20	DO_LCD	I	Data input of LCD communication
78	P142/SCK20/SCL20	CLK_LCD	O	Clock output of LCD communication
79	P141/PCLBUZ1/INTP7		O	NC
80	P140/PCLBUZ0/INTP6		O	NC
81	P120/INTP0/EXLVI	MAIN_REQ	I	MAIN REQUEST input
82	P47/INTP2	REQ_NW	I	Request input of network module communication
83	P46/INTP1/TI05/TO05		O	NC
84	P45/SO01		O	NC
85	P44/SI01	VFD_DI	I	FL DATA input
86	P43/SCK01	VFD_CLK	I	FL CLOCK
87	P42/TI04/TO04		O	NC
88	P41/TOOL1	TOOL1	I/O	Clock output for debuggers
89	P40/TOOL0	TOOL0	I/O	Data input/output for flash memory programmer/debugger
				External pull-up for using on-chip debugger.
90	RESET	RESET	I	Reset input
91	P124/XT2	XT2	I	NC When the real-time clock function is not used, connection is not needed. Decide it during W/s.
92	P123/XT1	XT1	I	NC When the real-time clock function is not used, connection is not needed. Decide it during W/s.
93	FLMD0	FLMD0	-	Pin for flash memory programming mode pull-in
				(pull-down in open or more than 100kΩ)
94	P122/X2/EXCLK	X2	I	Oscillator connection for main system clock
95	P121/X1	X1	I	Oscillator connection for main system clock
96	REGC	REGC	-	Connect a stable capacitance of the regulator output (2.5V) for internal operation.
				Connected to VSS via a capacitor (0.47-1μF: a target).
97	VSS	VSS	-	Ground (except P121-P124 and port block)
98	EVSS0	EVSS0	-	Ground of port block (except P20-P27, P110, P111, P121-P124, P150-P157)
99	VDD	VDD	-	Positive power supply (except P121-P124 and port block)
100	EVDD0	EVDD0	-	Positive power supply of port block (except P20-P27, P110, P111, P121-P124, P150-P157)
						29
				X-HM81-K

A

B

C

D

E

F

	5		6		7		8

	1		2		3		4

A

(BU4052BCF)(CNT2 ASSY: IC704)

High Voltage CMOS Logic ICs <Analog Switch>

• Pin Arrangement

• Pin Function

B

• Block Diagram

C

J127256100010-IL (NJM2561)(TUNER ASSY: IC400)

LOW VOLTAGE VIDEO AMPLIFIER WITH LPF
• Pin Arrangement	• Block Diagram

D

• Control Terminal

E

J126012010010-IL (PQ012FZ01ZP)(BCO ASSY: IC2)

Voltage Regurator

• Pin Arrangement	• Block Diagram
	DC input (Vin)	DC output (Vo)
F		Specific IC
	Bias power supply (VB)	ON/OFF control (VC)
		GND
30	X-HM81-K

	1		2		3		4