Panasonic CQ-YH1070L, CQ-YH0070B, CQ-YH0071B Service Manual

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	30W×4ch
Output Impedance	4Ω
LW/MW Radio
Frequency Range	:
<LW Band>	153 - 279kHz
<MW Band>	531 - 1,611kHz
Usable Sensitivity	28dB/µV (S/N 20dB)
Signal to Noise Ratio	More than 42dB
UKW Stereo Radio
Frequency Range	87.5 - 108.0MHz

ORDER No. 0148

AUTOMOTIVE ELECTRONICS

HONDA CQ-YH1070L CQ-YH0070B CQ-YH0071B

LW/MW/UKW MPX ELECTRONIC TUNING RADIO with Cassette Player

HONDA PART No. (CQ-YH1070L): 39100-S1A-E000

HONDA PART No. (CQ-YH0070B): 08A01-5C6-1000-G

HONDA PART No. (CQ-YH0071B): 08A01-5C6-1100-G

VEHICLE (CQ-YH1070L) : ACCORD VEHICLE (CQ-YH0070/71B) : UNIVERSAL ID CORD (CQ-YH1070L) : 1SA3

ID CORD (CQ-YH0070B) : 651TA ID CORD (CQ-YH0071B) : 651TW DESTINATION : EUROPE PRODUCED AFTER : Nov., 2000

Usable Sensitivity	6dB/µV (S/N 30dB)
Seek Sensitivity	28dB/µV
Stereo Separation	More than 20dB
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-YH1070L / CQ-YH0070B / CQ-YH0071B

CONTENTS

		Page			Page
1	FEATUERS	2	9	PACKAGE AND IC BLOCK DIAGRAM	8
2	REAR VIEW	2	10	REPLACEMENT PARTS LIST	11
3	FRONT VIEW AND FUNCTIONS	3	11	EXPLODED VIEW (Unit)	17
4	WIRING CONNECTIONS	4	12	TAPE PLAYER PARTS	18
5	BLOCK DIAGRAM	5	13	EXPLODED VIEW (Tape Deck)	20
6	TERMINALS DESCRIPTION	6	14	WIRING DIAGRAM	21
7	ALIGNMENT INSTRUCTIONS	7	15	SCHEMATIC DIAGRAM (1)	26
8	ALIGNMENT POINTS	7	16	SCHEMATIC DIAGRAM (2)	27
1	FEATUERS		2	REAR VIEW

∙PLL (Phase Locked Loop) synthesized tuning.

∙24-station preset (6-LW, 6-MW, 12-UKW)

∙Scan Tuning.

∙Cassette Tape Player Control.

∙CD/MD player Control.

∙CD/MD changer control.

∙Electronic sound control function.

∙GA-NET control function.

2

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

3 FRONT VIEW AND FUNCTIONS

3

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

4 WIRING CONNECTIONS

4

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

5 BLOCK DIAGRAM

5

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

6 TERMINALS DESCRIPTION

6.1.Main Block

IC601 : C2CBJG000156

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	Telephon mute	I	0
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	Security ROM chip select	O	0
59	SEC-CLK	Shift clock for security ROM	O	0
60	SEC-DI	Serial data	I	1.0
61	SEC-DO	Serial data	O	0
62	NC(ASTB)	(Ground pull-down)	-	-

63	REMO	(Ground pull-down)	-	0
64	3/4	(Ground pull-down)	-	0
65	RDS-CLK	Shift clock for RDS data	I	2.5
66	RDS-DATA	RDS data	I	2.5
67	SEC-SEL	(Ground pull-down)	-	0
68	RMODE	Radio mode	O	4.9
69	SD.ST	FM stereo detection	I	4.9
70	AREA SEL	Ground pull-down)	-	0
71, 72	NC	No connection	-	-
73	TESTMODE	(Connecting to ground)	-	0
74	VSM	Phase diff. level detection	I	0
75	MP	FM tuner multipass	I	0
76	NOISE	Adjustment station detection	I	0
77	REMOCON	Not uesd	-	-
78	RDS-MUTE	RDS mute	O	4.9
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

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HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

7 ALIGNMENT INSTRUCTIONS

7.1.Alignment Conditions

	∙ Balance, Fader Control : center
∙ Power Supply Voltage : DC13.2V	∙ Bass, Treble Control : Center
∙ Output Impedance : 4Ω	∙ Dolby NR: OFF
∙ Output Power : 0.5W

Note :

Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the factory.

7.2.Dolby NR Alignment

Step	Alignment Item	Test Tape	VTVM Connection	Adjust	Remarks
(1)	DOLBY NR Rch	RFKZ0038	TP201	VR201	Adjust for 388mV ±1.0dB
(2)	DOLBY NR Lch	RFKZ0038	TP301	VR301	Adjust for 388mV ±1.0dB

8 ALIGNMENT POINTS

7

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

9 PACKAGE AND IC BLOCK DIAGRAM

PK50 : YEAU03340E02

IC210, 301 : YEAMM5243FT1

IC204 : C1BB00000284

8

HONDA / CQ-YH1070L / CQ-YH0070B / CQ-YH0071B

IC461 : YEAMAA6759TT

IC471 : YEAMLC72146T

IC604 : MN1382KTX

IC605 : YEAMH12187ER

9