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

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

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

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 Laboratories Licensing Corporation.

are trade marks of Dolby

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

CONTENTS

Page Page

1 FEATUERS 2 2 REAR VIEW 3 FRONT VIEW AND FUNCTIONS 4 WIRING CONNECTIONS 5 BLOCK DIAGRAM 6 TERMINALS DESCRIPTION 7 ALIGNMENT INSTRUCTIONS 8 ALIGNMENT POINTS

9 PACKAGE AND IC BLOCK DIAGRAM 8

10 REPLACEM ENT PARTS LIST

11 EXPLODED VIEW (Unit) 12 TAPE PLAYER PARTS

4 5

13 EXPLODED VIEW (Tape Deck)

14 WIRING DIAGRAM 15 SCHEMAT IC DIAGRAM (1)

7 7

16 SCHEMAT IC DIAGRAM (2)

11 17 18 20 21 26 27

1 FEATUERS

∙

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 REAR VIEW

3 FRONT VIEW AND FUNCTIONS

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

4 WIRING CONNECTIONS

5 BLOCK DIAGRAM

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

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

7 ALIGNMENT INSTRUCTIONS

7.1. Alignment Conditions

∙

Balance, Fader Control : center

∙

Power Supply Voltage : DC13.2V

∙

Output Impedance : 4

∙

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.

Ω

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

∙

Bass, Treble Control : Center

∙

Dolby NR: OFF

8 ALIGNMENT POINTS

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

9 PACKAGE AND IC BLOCK DIAGRAM

PK50 : YEAU03340E02

IC204 : C1BB00000284

IC210, 301 : YEAMM5243FT1

IC461 : YEAMAA6759TT

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

IC604 : MN1382KTX

IC471 : YEAMLC72146T

IC605 : YEAMH12187ER

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