Kenwood FGZ201ELF2, FGZ201ERF2 Service Manual

7 inch MULTIDISPLAY

FGZ201ELF2/ERF2

SERVICE MANUAL

© 2003-8 CREATED IN JAPAN B53-0084-00 (N) 0

SUBARU GENUINE

MODEL	PARTS No.
FGZ201ELF2	86281AG030
FGZ201ERF2	86281AG010

Panel

(A64-2772-21)

Liquid crystal (B38-1100-05)

Knob (image adj.) K24-3974-24 (ERF2) K24-4009-24 (ELF2)

Knob (navi)
K24-3973-24	(ERF2)
K24-4008-24	(ELF2)

Knob (clock) K24-3975-24 (ERF2) K24-4010-24 (ELF2)

Knob (menu)		Knob (info.)
K24-3971-24	(ERF2)	K24-3972-24	(ERF2)
K24-4011-24	(ELF2)	K24-4012-24	(ELF2)

FGZ201ELF2/ERF2

BLOCK DIAGRAM

SYNTHESIZER UNIT

SYNTHESIZER UNIT

ELECTRIC UNIT

(X14- ) (B/3)(C/3)

(X14- ) (A/3)

(X25- )

J803 (B/3)

IC5

P8.5V

V-SYNC

1-16PIN

Q26,28

+B DET

IC4

CAR

VD

INTERFACE

DATA

SYNC

PROTECTION

+B

IC18

HD

2. +BATT

BU5V

GENERATOR

GRAPHIC

CIRCUIT

Q27,30

P5V

CONTROLLER

Q803

ACC DET

SUB CLK

4. ACC

7.99MHz

IC6

12. ILL(PWM)

Q801

IC20

Q49

IC1

FLASH ROM

IC5

D/A

DET

DC/D

SW

P5V

RST

4. SPD

CONTROL

SDRAM

7. PARKING

DET

Q31

SYSTEM

DATA

ADDRESS

RST

INT

-CSYNC

RGB

(8MB)

Q804

Q42

Q47

(8MB)

8. IGN

DET

P-15.5V

15MHz

IC11

Q800

REG.

MAIN

CPU1

SDRAM

Q805

SW

REG.

P18.5V

32.768k

MICRO-

RST

IC12

10. REVERSE

DET

SUB CLK

PROCESSOR

P8.5V

GRAPHIC

Q806

11. ILL(SMALL)

DET

IC19 REG.

P7.5V

TH

MICROPROCESSOR

6. CAN-H

BU5V

5. CAN-L

IC17

SWTCH UNIT

16. PTT

Q806,

IE BUS

CONTROL/DATA

1. GND

(X16- )

TOUCH

810

TX

3. GND

CAN IC18

IC16

15. GND

ILL-V

ILL-V

PANEL

TX

BUFFER

ILL-V

P5V

I2C BUS

J800 (C/3)

RCA

Q43

IC3 RST

1. AUX-V-IN2

PTT-DET

IC7

2. AUX-DET

3. GND

Q5

EEPROM

J806 (C/3)

ILL

8kB

REAR

PWM DET.

CAMERA

1. REAR-V-IN3

Q62

CPU2

2. GND

REAR-SW

3. GUIDE

CAN

I2C BUS

MICRO-

4. REAR-DET

PROCESSOR

IC4

IC15

AUDIO

BUFFER

MIX

10MHz

IC6

J803 (C/3)

E-VOL

CLK

VIDEO UNIT

17-36PIN

AUDIO BUS

(X35- )

20. F-BUS+

V SYNC SW

22. F-BUS-

EEPROM

19. GND

IC200

IC201

21. GND

1kB

23. RESET

VIDEO

SYNC

24. AUDIO-MUTE

SW

SW

RGB

26. BUS ON

17. BUS OFF

Q65

Q22

IC203

IC102

18. +B

P7.5V

REG.

P5V

34. A-OUT(L)

SW

MUTE

CHROMA

HD

TIMING

Q60

Q21

REG.

P3V

DECODER &

VD

RGB

CONTROLLER

32. A-OUT(R)

SW

MUTE

COMPENSATION

Q45,

+B

SW

B/L INV

VFL H

R

G B

52

VFL L

33. A-GND

SW

35. NAVI-GND

Q17

IC13

MONO

36. NAVI-AUDIO

MUTE

SW-OP

P18.5V

J802 (C/3)

P-15.5V

P5V

TFT LCD ASSY

TV TUNER

VFL H

UNIT

VFL L

8. TV-V-IN

10-15. TU 5L

IC801

IC14

18. TV-AUDIO-L

L/R

L

ISOLATION

TV-AUDIO

20. TV-AUDIO-R

AUDIO-GND

R

19. TV-A-GND

+B

AMP

BUFFER

1.2. TU+B

3-8. GND

P7.5V

J805 (B/3)

NAVIGATION

UNIT

10. NAVI-RX

P7.5V

11. NAVI-TX

IC800

IC10

8. NAVI-A-R

L/R

L

ISOLATION

12. NAVI-A-L

AUDIO-GND

R

MIX

7. NAVI-A-GND

AMP

1. NAVI-R

5. NAVI-G

9. NAVI-B

13. C-SYNC

2.6. GND

2

FGZ201ELF2/ERF2

COMPONENTS DESCRIPTION

● Synthesizer unit (X14-9122-71)

	Ref. No.	Component Name	Application / Function / Operation / Condition
	IC1	S-80943CNMC	Reset IC (when resets at the time of backup power supply is OFF)
	IC2	TC7WHU04FU	Inverter IC (audio unit control and microprocessor program writing)
	IC3	M306NBFCTFP5Q0	CAN microprocessor (control of a setup and ADA voice synthesis of the connection existence distinction
			quality of image of a communication rear camera and an AUX terminal with a car unit and TV tuner)
			System microprocessor (surveillance of communication internal electrical power source control and a
	IC5	M30624FGAFP9P3	power supply with the setting audio unit and NAVI unit of the control video sauce, the screen zoom, and
			the brightness of the control and the graphic microprocessor of a CAN microprocessor, and the abnor-
			malities in temperature)
	IC7	S-24CS08AFJ-TB	EEP-ROM (memory of a receiving TV station name and touch-panel compensation data for memory)
	IC8	TJA1054	CAN transceiver (communication with a car unit)
	IC9	S-80943CNMC	Reset IC (detection of the 5V power supply )
	IC10	NJM4565MD	OP AMP IC (LR sound MIX of NAVI audio and bias of power supply an internal audio circuit)
	IC12	TC4066BFT(N)	Analog SW (port SW at the time of microprocessor program writing)
	IC13	NJM2120M	OP AMP with SW (change of a NAVI sound and an ADA sound)
	IC16	TC7WH126FU	Buffer IC (the microprocessor is protected from a communication line with a NAVI unit)
	IC17	HA12187FP	BUS transceiver (communication with an audio unit)
	IC18	S-816A50AMC-T2	Regulator IC (5V power supply of a system microprocessor)
	IC19	BA00ASFP	Regulator IC (analog system 7.5V power supply)
	IC20	BA9743AFV	DC/DC controller IC (power supply of without system microprocessor and key illumination circuit)
	IC21	S-80925CNMC	Reset IC (it resets at the time of the abnormal of function for system microprocessor)
	IC800	TDA8579T-T	Isolation AMP (noise removal of a NAVI audio sound)
	Q1	DTA124EUA	Audio MUTE SW
	Q2	DTA124EUA
	Q32,37	2SC4081
	Q34	2SA1576A	DC/DC controller power supply
	Q35,53	DTC144EUA
	Q36,39,41	DTA144EUA
	Q46	2SB1188(Q,R)
	Q4	DTC144EUA	Microprocessor reset SW (at the time of power-supply ON/OFF is ON : CAN microprocessor is reset mode)
	Q5	DTC124EUA	Key illumination tone light detection (it turns on at the time of a illumination PWM input)
	Q6	DTA124EUA	Temperature detection SW (at the time of ACC → ON is ON : temperature detection mode start)
	Q7~11,	DTC124EUA	Video setup SW (it is ON/OFF by screen mode and adjustment)
	Q55,56,58
	Q12,16	DTC144EUA	Audio control SW (at the time of the audio communication is ON : Q16 is ON, at the time of OFF : Q15 is
	Q15,18	DTA144EUA	ON)
	Q17	2SD2114K	Audio MUTE (at the time of power supply ON/OFF MUTE is ON)
	Q50	DTA124EUA

3

FGZ201ELF2/ERF2

COMPONENTS DESCRIPTION

	Ref. No.	Component Name	Application / Function / Operation / Condition
	Q19	2SB1188(Q,R)	Microprocessor power supply SW (at the time of CAN microprocessor program writing is OFF)
	Q25	DTC124EUA
	Q20	2SC4081	Audio SW (at the time of ADA audio out is ON)
	Q24	2SC4081	Power supply voltage dropout detection (when turns off at the time of backup power supply voltage dropout)
	Q26	DTC124EUA	Voltage detection (at the time of Q26 : ON backup power supply voltage detection)
	Q28	2SA1576A
	Q29	2SC4081
	Q30	2SB1203-FA	Constant voltage power supply (backup 5V power regulator)
	Q64	2SA1576A
	Q31	FMY6
	Q57	2SA1576A	Constant voltage power supply (at the time of Q61 is ON : +18.5V output)
	Q61	DTC144EUA
	Q33	2SA1576A	Over-current detection (at the time of 18.5V over-current detection the controller power supply is OFF)
	Q38	IMT1A	Over-current detection (at the time of 8.5V over-current detection the controller power supply is OFF)
	Q40	FMY6	DC/DC switching (primary side switching of a transformer)
	Q42	2SJ327Z
	Q43	FMY6	DC/DC switching (switching of 5V power supply)
	Q49	2SJ327Z
	Q44	2SC4081	Over-current detection (at the time of -15.5V over-current detection the controller power supply is OFF)
	Q47	FMY6	Constant voltage power supply (-15.5V constant voltage power supply)
	Q48	IMT1A	Over-current detection (at the time of 5V over-current detection the controller power supply is OFF)
	Q66,67	DTA144EUA	Timer (at the time of a system microprocessor reckless run Q67 is OFF)
	Q68,69	DTC144EUA
	Q700,701	2SC4081	Audio connection detection (at the time of audio connection Q700 is ON)
	Q702	DTA124EUA
	Q800	DTA124EUA	PARKING detection (at the time of car PARKING is ON)
	Q801	DTA124EUA	Speed detection (at the time of a speed pulse input is ON)
	Q802	DTC124EUA	Reset input (at the time of Q802 ON when system microprocessor is reset mode)
	Q803	2SC4081	ACC detection (at the time of car ACC →	ON : ON)
	Q804	2SC4081	IGN detection (at the time of car Ignition →	ON : ON)
	Q805	2SC4081	Reverse detection (at the time of car reverse : ON)
	Q806	2SC4081	SMALL detection (at the time of car SMALL → ON : ON)
	Q807,809	DTA124EUA	Key illumination tone light power supply regulator (it is illumination VCC (7V) with the duty cycle according
	Q808,811	2SC4081
			to PWM output)
	Q810	2SB1203-FA

4

FGZ201ELF2/ERF2

COMPONENTS DESCRIPTION

● Electric unit (X25-9412-71)

	Ref. No.	Component Name	Application / Function / Operation / Condition
	IC2	TC9246F	PLL Oscillator IC
	IC3	TC7SHU04F	Inverter (DOT CLOCK)
	IC4	HD64412FI	Graphic control IC
	IC5	MSM5118165FP60	The memory for graphic control IC
	IC6	BU3616K	Video D/A converter
	IC7	TC7SHU04F	Inverter (DACK SIGNAL)
	IC10	TC7SH32FU	OR gate IC
	IC11	MSM5118165FP60	The memory for graphic microprocessors
	IC12	HD6437041AG57E	Graphic microprocessor
	IC19	MBM29F160TE9P6	Graphic bitmap data & program data memory
	IC20	TC7SHU04F	Inverter (SYNC. SIGNAL)
	IC22	TC7SHU04F	Inverter
	IC23	TC7SET08FU	AND gate
	IC24	MSM5258MS-K	Synchronized signal generator
	IC26	TA78DS05F	5V AVR
	IC27,28	TC7SHU04F	Inverter (SYNC. SIGNAL)
	Q2,3	DTC124EUA	The transistor for touch-panel detection
	Q4,5	DTA124EUA

● Video unit (X35-4250-00)

	Ref. No.	Component Name	Application / Function / Operation / Condition
	IC31	TL5001ID	Switching regulator (for back light 7.5V power supply)
	IC101	NJM2107F	Operational amplifier (oscillating circuit : low path output)
	IC102	TC160G11AF1146	Timing controller (LCD driver IC)
	IC200,201	NJM2535V	Video switch (input video signal change)
	IC202	NJW1303V	Synchronous separation
	IC203	AN2546FH-A	Chrome decoder, gamma correction (an input video signal conversion to LCD drive signal)
	IC205	S-24C01B	EEP-ROM (I2C memory backup)
	IC207	NJM4580V	Operational amplifier (V-COM buffer)
	IC209	TC7W34FU	Buffer containing 3 circuits (synchronized signal output buffer)
	IC211	NJU7222U30	3V Regulator
	IC212	NJU7223DL1-50	5V Regulator
	IC217	TC7S14F	Inverter (for side black reverse signal )
	Q1	2SC4081	ACC ON/OFF SW (for back light power supply)
	Q2	2SB1203-FA	+B SW (for back light power supply)
	Q3	DTA124EUA	ACC ON/OFF SW (for back light power supply)
	Q4	DTC124EUA

5

FGZ201ELF2/ERF2

COMPONENTS DESCRIPTION

Ref. No.	Component Name	Application / Function / Operation / Condition
Q31	2SC4081	SW REG Output (FET drive)
Q32	2SA1576A	SW REG Output (FET drive)
Q33	2SJ327Z	DC/DC converter SW (for back light power supply)
Q35,36	2SD1803	Inverter oscillation change SW
Q37	2SD1803	Back light tone light (for PWM pules drive)
Q38	DTA124EUA	Back light tone light (for PWM pules drive)
Q39	DTC124EUA	Back light tone light (for PWM pules drive)
Q40	2SA1576A	Transistor for over-current protection (back light power supply)
Q41	2SC4081	An over-current for over voltage protection (back light power supply)
Q42	2SJ327Z	FET for the back light lighting SW
Q43	DTC124EUA	The transistor for the back light lighting SW
Q101	2SC2411K	Transistor for oscillating circuits (a timing controller for a standard oscillation)
Q102	DTC124EUA	LCD reverse signal control (LCD up-and-down side reverse control transistor)
Q203	2SC4097	V-COM buffer
Q204	2SA1577	V-COM buffer
Q205	2SC4081	Video signal buffer
Q206	2SA1576A	Video signal buffer
Q209,210	DTC124EUA	Synchronized signal muting (timing controller : at the time of adjustment muting)
X200	L78-0549-05	Synchronous separation reference oscillator (15.734kHz)
X201	L77-2818-05	Color reference oscillator (3.58MHz)

6