HONDA CQ-LH5080 Service Manual

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
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 4
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
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-LH5080L
CONTENTS
Page Page
1 FEATUERS 2 2 REAR VIEW 3 FRONT VIEW AND FUNCTIONS 4 WIRING CONNECTIONS 5 BLOCK DIAGRAM 6 TERMINALS DESCRIPTION 7 PACKAGE AND IC BLOCK DIAGRAM 8 ALIGNMENT INSTRUCTIONS
9 ALIGNMENT POINTS 10
2
10 REPLACEM ENT PARTS LIST 11 EXPLODED VIEW (Unit)
3 4
12 TAPE PLAYER PARTS
5
13 EXPLODED VIEW (Tape Deck) 14 WIRING DIAGRAM
6 7
15 SCHEMAT IC DIAGRAM (1)
10
16 SCHEMAT IC DIAGRAM (2)
11 16 17 18 19 24 25
1 FEATUERS
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.
2 REAR VIEW
2
3 FRONT VIEW AND FUNCTIONS
HONDA / CQ-LH5080L
3
HONDA / CQ-LH5080L
4 WIRING CONNECTIONS
4
5 BLOCK DIAGRAM
HONDA / CQ-LH5080L
5
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
6
7 PACKAGE AND IC BLOCK DIAGRAM
HONDA / CQ-LH5080L
PK50 : YEAU03340E02
IC204 : C1BB00000284
IC250 : C1BA00000324
7
HONDA / CQ-LH5080L
IC461 : YEAMAA6759TT
IC604 : MN1382KTX
IC471 : YEAMLC72146T
IC605 : YEAMH12187ER
8
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