Kenwood FNA-TM320 Service Manual

TRAFFIC MESSAGE CHANNEL RECEIVER

FNA-TM320

SERVICE MANUAL

© 2003-7 CREATED IN JAPAN B53-0083-00 (N) 0

SUBARU GENUINE

MODEL	PARTS No.
FNA-TM320	H001EAG100

Metallic cabinet (A01-2822-02)

DC cord assy	Cord with connector	Cord with connector
(E30-6259-05)	(E30-6251-15)	(E30-6247-15)

	Mounting hardware (R)
	(J22-0084-12)
Screw set	Mounting hardware
(N99-1746-05)	(J22-0087-04) x2

Mounting hardware (L) (J22-0083-12)

FNA-TM320

BLOCK DIAGRAM

	ANT IN	ANT IN : +10dB
		Q300,301		A1
		ANT
				TMC F/E
	ANT OUT	DISTRIBUTOR
	ANT IN : +0dB		T PLL-CE
			T PLL-DAT
			T PLL-CLK
			PD
			TMC SM
			TMC SD
	POWER SUPLLY
	BU +13.2V		Q100,105	Q101
	POWER		BU	BU 5V
	SUPLLY		LIMITER	AVR
	CONNECTOR
			Q108111
			8V AVR
			Q106
			VOLTAGE DOWN
			DETECTION

	IC400	OSC
	DECODER
		4.332MHz

	TMC CLK		IC200		IC201
	T DATA
	T QUAR				RESET
				u-COM
		BU DE			OSC
		SYS-ON			16MHz
	BU5V
	Q103
	5V SW 5V		TX	IC203
					P-ON
			RX
	SYS-ON				BUF
					NAVI
	8V	IC500			I/F CONNECTOR
			RS422 I/F

BUDET

		COMPONENTS DESCRIPTION
● ELECTRIC UNIT (X25-9822-71)
Ref. No.	Application/Function		Operation/Condition/Compatibility
IC100	Power supply control IC		Power supply control for BU5V. Composes stable power supply in combination with Q101.
IC200	System microcomputer
IC201	Reset IC		Output Lo, when the voltage of the 5V microcomputer system goes at less than 4.2V.
IC203	Buffer		Reverse buffer for P-ON IN signal.
IC400	Data decoder		RDS data demodulation circuit.
IC500	Serial communication		RS422 serial communication driver and receiver.
Q100	Voltage limiter		Contains the BU voltage to 16V or less in combination with Q105.
Q101	BU5V power supply		Power supply output driver for BU 5V. Composes stable power supply in combination with IC100.
Q103	5V		5V power supply.
Q104	P ON SW		When base becomes Hi, Q104 comes ON, supplying BU to 8V lines of the internal circuits.
Q105	Voltage limiter		Contains the BU voltage to 16V or less in combination with Q100.
Q106	BU detection SW		This is turned ON when BU comes ON.
			When momentary reduction is detected, or when BU is OFF, goes OFF.
Q107	P ON SW		When base becomes Hi, Q104 comes ON, supplying BU to 5V lines of the internal circuits.
Q108,109,112	8V power supply		8V Power Supply.
Q300	AMP		RF input amplifier.
Q301	AMP		RF divide output signal amplifier.
Q302	AMP		F/E RF input signal amplifier.

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FNA-TM320

MICROCOMPUTER’S TERMINAL DESCRIPTION

● SYSTEM MICROCOMPUTER : M30620FCAFP4Q7 (X25-982 : IC200)

	Pin No.	Pin Name	I/O	Function	Processing Operation Description
	1		-		Not used (N.C.)
	2	TMC-ON	O	TMC tuner ON/OFF	Not used (N.C.)
	3~7		-		Not used (N.C.)
	8	BYTE	I	External data bus width switching input	L : 16 bit, H : 8 bit
	9	CNVss	I	Processor mode switching	L : Single chip mode and memory expansion mode,
					H : Microprocessor mode
	10,11		-		Not used (N.C.)
	12	RESET	I	System reset	L : Reset operation
	13	XOUT	O	System clock output	System clock output to Xtal
	14	Vss	I	Power supply input terminal (GND)	Power supply input terminal (GND)
	15	XIN	I	System clock input	System clock input from Xtal
	16	Vcc	I	Power supply input terminal (BU5V)	Power supply input terminal (BU5V)
	17	NMI	I	NMI external interrupt input	Pull up to BU5V by returning resistor
	18,19		-		Not used (N.C.)
	20	P-ONIN	I	P-ON Input	L : POW ON, H : POW OFF
	21~28		-		Not used (N.C.)
	29	SCL	O	I2C clock output	Serial communication clock output
	30	SDA	I/O	I2C data output	Serial communication data output
	31	F-TXD	O	FLASH I/F data output	Flash microcomputer memory data output terminal
	32	F-RXD	I	FLASH I/F data input	Flash microcomputer memory data input terminal
	33	FS-CLK	O	FLASH I/F clock output	Flash microcomputer I/F clock output terminal
	34	F-BUSY	O	FLASH I/F	Flash microcomputer I/F
	35	TXD	O	NAVI communication transmission	NAVI serial communication transmission
	36	RDX	I	NAVI communication reception	NAVI serial communication reception
	37~40		-
	41	F-EPM	I	FLASH I/F	Flash microcomputer I/F
	42		-		Not used (N.C.)
	43	BU DET	I	BU reduction detection	L : Normal, H : Input voltage (8.5V or less detection)
	44,45		-		Not used (N.C.)
	46	F-CE	O	FLASH I/F	Flash microcomputer I/F
	47,48		-		Not used (N.C.)
	49	SYS-ON	O	5V, 8V control	L : 5V, 8V OFF, H : 5V, 8V ON
	50,51		-		Not used (N.C.)
	52	F-PU	I	Terminal for FLASH write	Pull up input for writing to flash microcomputer
	53~59		-		Not used (N.C.)
	60	TYPE1	I	Destination selection	Switching for charging
	61	TYPE2	I	Destination selection	Switching for market models/OEM
	62	Vcc	I	Power supply input terminal +5V	Power supply input terminal (BU5V)
	63		-		Not used (N.C.)

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FNA-TM320

MICROCOMPUTER’S TERMINAL DESCRIPTION

Pin No.	Pin Name	I/O	Function	Processing Operation Description
64	Vss	I	Power supply input terminal (GND)	Power supply input terminal (GND)
65~74		-		Not used (N.C.)
75	TMC-CLK	I	TMC clock input
76,77		-		Not used (N.C.)
78	TQUAL	I	TMC reception condition detection	TMC reception condition detection
79	TDATA	I	TMC data input	TMC data reception
80		-		Not used (N.C.)
81	PLL-DATA	O	PLL serial data output	F/E PLL serial data output
82	PLL-CLK	O	PLL serial clock output	F/E PLL serial clock output
83	PLL-CE	O	PLL data enable output	F/E PLL data enable output
84		-		Not used (N.C.)
85	TMC-SD	I	Station detection	Station detected reception at F/E
86	TREQ	I	Seek request reception	L : Seek operation, H : Normal reception condition
87	Pdo	I	IF count input	F/E IF count input
88~92		-		Not used (N.C.)
93	TMCSM	I	Station detection	F/E station detected meter input
94	TNOISE	I	Noise level detection	Not used (N.C.)
95		-		Not used (N.C.)
96	Avss	I	Analog power supply input (GND)	Analog power supply input (GND)
97		-		Not used (N.C.)
98	VREF	I	Reference voltage input	A/D conversion reference voltage input
99	Avcc	I	Analog power supply input +5V	Analog power supply input (BU5V)
100	PEFCON	O	Reference voltage output	A/D conversion reference voltage output

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