HONDA CQ-LH5080 Service Manual

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Specification*

General
Power Supply	DC 12V (11V - 16V),
	Test Voltage 13.2V
	Negative Ground
Current Consumption	Less than 3.0A at 0.5W
Maximum Power Output	20W×4ch
Output Impedance	4Ω
AM Radio
Frequency Range	531 - 1,611kHz
Usable Sensitivity	28dB/µV (S/N 20dB)
Signal to Noise Ratio	More than 42dB
FM Stereo Radio
Frequency Range	87.5 - 108.0MHz
Usable Sensitivity	6dB/µV (S/N 30dB)
Seek Sensitivity	28dB/µV
Stereo Separation	More than 20dB

ORDER No. 0151

AUTOMOTIVE ELECTRONICS

HONDA CQ-LH5080L

AM/FM MPX ELECTRONIC TUNING RADIO with Cassette Player

HONDA PART No. : 39100-S6A-Y110-M1

ID CODE : 1SC2

VEHICLE : CIVIC

DESTINATION : Middle and Near East

PRODUCED AFTER : Jul., 2001

Dimensions** (W×H×D)	180×52×160mm
Weight**	1.4kg

*Specifications and the design are subject to possible modification without notice due to improvements.

**Dimensions and Weight shown are approximate.

Doldy noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

“Dolby” and the double-D symbol are trade marks of Dolby Laboratories Licensing Corporation.

HONDA / CQ-LH5080L

CONTENTS

		Page			Page
1	FEATUERS	2	9	ALIGNMENT POINTS	10
2	REAR VIEW	2	10	REPLACEMENT PARTS LIST	11
3	FRONT VIEW AND FUNCTIONS	3	11	EXPLODED VIEW (Unit)	16
4	WIRING CONNECTIONS	4	12	TAPE PLAYER PARTS	17
5	BLOCK DIAGRAM	5	13	EXPLODED VIEW (Tape Deck)	18
6	TERMINALS DESCRIPTION	6	14	WIRING DIAGRAM	19
7	PACKAGE AND IC BLOCK DIAGRAM	7	15	SCHEMATIC DIAGRAM (1)	24
8	ALIGNMENT INSTRUCTIONS	10	16	SCHEMATIC DIAGRAM (2)	25

1 FEATUERS 2 REAR VIEW

∙PLL (Phase Locked Loop) synthesized tuning.

∙Scan Tuning.

∙Cassette Tape Player Control.

∙CD/MD player Control.

∙CD/MD changer control.

∙Electronic sound control function.

∙GA-NET control function.

HONDA / CQ-LH5080L

3 FRONT VIEW AND FUNCTIONS

HONDA / CQ-LH5080L

4 WIRING CONNECTIONS

HONDA / CQ-LH5080L

5 BLOCK DIAGRAM

HONDA / CQ-LH5080L

6 TERMINALS DESCRIPTION

6.1.Main Block

IC601 : C2CBJG000165

Pin No.	Port	Description	I/O	(V)
1	AMP-MUTE	Power amp mute	O	0
2	NAVI-L-MUTE	Not used	-	-
3	MUTE	Mute output	O	0
4	AMP-ON	Power Amp stand-by	O	4.9
5	FL-MUTE	Front speaker Lch mute	O	4.9
6	FR-MUTE	Front speaker Rch mute	O	4.9
7	REAR-MUTE	Rear speaker mute	O	4.9
8	SYS-ACC	System ACC on	O	0
9	NAVI-R-MUTE	Not used	-	-
10	ACC CNT	ACC 5V power on/off	O	0
11	RESET	Reset input	I	4.9
12	XT2	Crystal oscillator terminal	-	2.5
13	XT1	Crystal oscillator terminal	-	2.3
14	VSS	Ground	-	0
15	X2	Crystal oscillator terminal	-	2.1
16	X1	Crystal oscillator terminal	-	2.0
17	REGOFF	(Connecting to ACC5V)	-	4.9
18	REGC	(Connecting to ACC5V)	-	4.9
19	VDD	+5V power supply	-	4.9
20, 21	NC	No connection	-	-
22	MS	MS detection	I	0
23	MS(PL/FF)	MS mode selection	O	0
24	T.LOAD	Tape loading detection	I	0
25	DOLBY	Dolby NR on/off	O	0
26	F/R	Tape head change	O	0
27	EQ(MTL)	Metal tape mode selection	O	4.9
28	A/B	Tape side detection	I	0
29	MSM	MS gain contrl	O	4.9
30	T.IN	Tape-in detection	I	0
31	LCD ON	LCD illumi. on/off	O	4.9
32	LCD-CE	LCD driver enable	O	0
33	LCD-CLK	Shift clock for LCD data	O	0
34	LCD-DI	LCD data	O	5.1
35	LCD-DO	LCD data	I	4.7
36	SD/VCONT	(ground pull-down)	-	0
37	M2F	Main motor control	O	0
38	CA.PON	Tape power control	O	4.7
39	CM.PON	Tape power control	O	4.6
40	VSS	Ground	-	0
41	VDD	+5V power supply	-	4.9
42	M2	Main motor control	O	0
43	M1-2	Loading motor control	O	0
44	M1-1	Loading motor control	O	0
45	BIT1	Tape mode switch	I	4.6
46	A.END	Tape end signal	I	1.5
47	B.END	Tape end signal	I	2.4
48	BIT2	Tape mode switch	I	4.6
49	EQ	Metal/Normal switchl	I	0
50	BIT3	Tape mode switch	I	0
51	CLOCK	(+5V pull-up)	-	4.9
52	POWER	Power switch I	4.9
53	SEC-LED	Security LED on/off	O	4.9
54	TEL-MUTE	Not used	-	-
55	AM/FM	AM/FM selection	O	4.9
56	R.ON	Radio power on/off O	4.9
57	SEC2	(Ground pull-down)	-	0
58	SEC-CS	Not used	-	-
59	SEC-CLK	Not used	-	-
60	SEC-DI	Not used	-	-
61	SEC-DO	Not used	-	-
62	NC(ASTB)	Not used	-	-

63	REMO	(Ground pull-down)	-	0
64	3/4	(Ground pull-down)	-	0
65	RDS-CLK	Not used	-	-
66	RDS-DATA	Not used	-	-
67	SEC-SEL	(+5V pull-up)	-	4.9
68	RMODE	Radio mode	O	4.9
69	SD.ST	FM stereo detection	I	4.9
70	AREA SEL	(+5V pull-up)	-	4.9
71, 72	NC	No connection	-	-
73	TESTMODE	(Connecting to ground)	-	0
74	VSM	Phase diff. level detection	I	0
75	MP	(Connecting to ground)	-	0
76	NOISE	(Connecting to ground)	-	0
77	REMOCON	(Connecting to ground)	-	0
78	RDS-MUTE	Not used	-	-
79	TEST	(+5V pull-up)	-	5.0
80	VOL CLK	Electronic volume clock	O	0
81	VOL DATA	Electronic volume data	O	0
82	AVDD	+5V power supply	-	4.9
83	AVREF1	Analog reference voltage	I	4.8
84	AVSS	Ground	-	0
85	LAN-IN	LAN data input	I	0
86	LAN-OUT	LAN data output	O	0
87	NC	(Connecting to ground)	-	0
88	VOL-A	Rotary encoder data	I	5.0
89	VOL-B	Rotary encoder data	I	5.0
90	BAT-DET	Battery level detection	I	4.9
91	VOL-C	Rotary encoder data	I	0.9
92	ACC-DET	ACC level detection	I	4.9
93	EJECT	Tape eject SW	I	4.6
94	VOL-D	Rotary encoder data	I	0.9
95	PLL-DO	PLL data	O	0
96	PLL-CLK	Shift clock for PLL data	O	0
97	PLL-DI	PLL data	I	5.1
98	PLL-CE	PLL chip select	O	0
99	BEEP	Beep output	O	0
100	P.CONT	System power on/off	O	4.9

Note :

Voltage measuerments are with respect to ground, with a voltmeter (Internal resistance : 10M ohms.)

6.2.Display Block

IC901 : YEAMLC75854

Pin No.	Port	Description	I/O	(V)
1-6	P1-6	Not used	-	-
7-39	S33-1	LCD segment data	O	2.5
40-43	COM1-4	LCD common	O	2.5
44-47	KS1-4	Key strobe	O	0.9
48,49	KS5,6	Not used	-	-
50-53	KI1-4	Key data	I	0
54	KI5	Not used	-	-
55	TEST	(Connecting to ground)	-	0
56	VDD	+5V power supply	-	5.1
57	VDD1	LCD angle	-	3.3
58	VDD2	LCD angle	-	1.7
59	VSS	Ground	-	0
60	OSC	Oscillator terminal	-	3.9
61	DO	Key data output	O	4.4
62	CE	LCD driver chip enable	I	0
63	CL	Shift clock for LCD data	I	0
64	DI	LCD data input	I	0

HONDA / CQ-LH5080L

7 PACKAGE AND IC BLOCK DIAGRAM

PK50 : YEAU03340E02

IC204 : C1BB00000284

IC250 : C1BA00000324

HONDA / CQ-LH5080L

IC461 : YEAMAA6759TT

IC471 : YEAMLC72146T

IC604 : MN1382KTX

IC605 : YEAMH12187ER

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