TOYOTA CR-LS7160 Service Manual

Specification*
I0
AUTOMOTIVE ELECTRONICS
CR-LS7160K
AM/FM MPX Electronic Tuning Radio
PART No. : 08600-12800 ID CODE : 72400
VEHICLE : COROLLA DESTINATION : Brazil PRODUCED AFTER : May, 2002
General Power Supply DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground Current Consumption Less than 2.0A Power Output 17W×4ch
AM Radio Frequency Range 530 - 1,620kHz Usable Sensitivity 25dB(µV) (S/N 20dB)
FM Stereo Radio Frequency Range 87.9 - 108.0MHz Usable Sensitivity 6dB/µV (S/N 30dB)
Dimensions** 178×70×165mm Weight** 0.9kg
* Specifications and the design are subject to possible modification without notice due to improvements.
** Dimensions and Weight shown are approximate.
CR-LS7160K
CONTENTS
Page Page
1 FEATUERS 2 2 REAR VIEW AND CONNECTORS 3 FRONT VIEW AND FUNCTIONS 4 BLOCK DIAGRAM 5 TERMINALS DESCRIPTION 6 PACKAGE AND IC BLOCK DIAGRAM
7 REPLACEMENT PARTS LIST 7
2
8 EXPLODED VIEW (Unit)
2
9 WIRING DIAGRAM 10 SCHEMAT IC DIAGRAM
3 4
11 MEMO
5
1 FEATUERS
11 12 15 17
PLL (Phase Locked Loop) synthesized tuning.
18-station preset (6-AM, 12-FM).
Scan tuning function.
Cassette tape player control.
CD changer control.
Electronic volume control.
2 REAR VIEW AND CONNECTORS
3 FRONT VIEW AND FUNCTIONS
2
4 BLOCK DIAGRAM
CR-LS7160K
3
CR-LS7160K
5 TERMINALS DESCRIPTION
5.1. Main Block
IC601 : C2CBHG000092
Pin No.
1 BEEP Buzzer output O 0 2 ROM SCK Security ROM data shift clock O 0 3 ROM CS Security ROM chip select O 0 4 ROM ST Security ROM data O 0 5 ROM SO Security ROM data I 0 6 SEC ON Security timer on O 0 7 MUTE System mute O 0 8 SEC TIM Security timer I 4.3
9 NC No connection - ­10 NC No connection - ­11 RESET Reset input I 4.8 12 X2 Crystal oscillator terminal - 1.8 13 X1 Crystal oscillator terminal - 1.3 14 GND Ground - 0 15 X2 Crystal oscillator terminal - 1.7 16 X1 Crystal oscillator terminal - 1.4 17 REGOFF (Connecting to ground) - 0 18 REGCPU By pass capacitor terminal - 4.0 19 VDD0 +5V power supply - 5.0 20 FCONT2 Frequency control O 4.9 21 FCONT1 Frequency control O 0 22 SD B/S detection I 0 23 ST FM stereo detection I 0 24 PLL-DO PLL data input I 4.8 25 PLL-CLK Shift clock for PLL data O 0 26 PLL-DI PLL data output O 0 27 PLL-CE PLL chip enable O 0 28 NK ON/OFF Not used - ­29 NC No connection - ­30 NC No connection - ­31 VOL-DATA Electronic volume data O 0 32 VOL-CLK Data shift clock O 0 33 LCD-CLK Data shift clock O 0 34 LCD-DO LCD data input I 4.8 35 NC No connection - ­36 LCD-CE LCD chip enable O 0 37 LCD-DI LCD data output O 0 38 VOLA Volume SW contact A I 4.8 39 VOLB Volume SW contact B I 4.8 40 GND Ground - 0 41 VDD +5V power supply - 5.0 42 NC No connection - ­43 MODEA Mode SW contact A I 0 44 MODEB Mode SW contact B I 0 45 NC No connection - ­46 NC No connection - ­47 NC No connection - ­48 NC No connection - ­49 NC No connection - ­50 NC No connection - ­51 SW/9Pro (Connecting to ground) - 0 52 9K/5K Radio tuning step selection I 5.0 53 NC No connection - ­54 NC No connection - ­55 NC No connection - ­56 CLK Power control IC clock O 0 57 STBY Power control IC stand-by O 5.0 58 LATCH Power control IC data latch O 5.0 59 DATA Power control IC data O 0 60 NC No connection - -
Port Description I/O (V)
61 NC No connection - ­62 NC No connection - ­63 NC No connection - ­64 MSOUT Not used - ­65 NC No connection - ­66 NC No connection - ­67 NC No connection - ­68 MS-PL/FF Not used - ­69 T.LOAD Not used - ­70 DOLBY Not used - ­71 ILL PWM ILL PWM control O 4.5 72 LCD PWM LCD PWM control O 4.5 73 TEST (GND pull-down) - 0 74 REO IN Rheostat signal I 4.4 75 NC No connection - ­76 NC No connection - ­77 A/B Not used - ­78 MTL Not used - ­79 CAM A/B Not used - ­80 MSM Not used - ­81 NK-IN Not used - ­82 VDD +5V power supply - 5.0 83 AVDD +5V power supply - 5.0 84 GND Ground - 0 85 LANIN LAN data input I 0 86 LANOUT LAN data output O 0 87 GND Ground - 0 88 NC (Connecting to ground) - 0 89 ILL-DET ILL detection I 0 90 EQ (Connecting to VDD) - 5.0 91 +B-DET Battery level detection I 4.9 92 ACC-DET ACC level detection I 4.9 93 TAPE-EJ (Connecting to VDD) - 5.0 94 T.IN (Connecting to VDD) - 5.0 95 END-B Not used - ­96 END-A Not used - ­97 NC No connection - ­98 NC No connection - ­99 NC No connection - -
100 NC No connection - -
Note 1 : Voltage measuerments are with respect to ground, with a voltmeter (internal resistance : 10M ohms).
5.2. Display Block
IC601 : YEAMLC75853W
Pin
No.
1-33 SEG1-20 LCD segment data O 2.6 34-40 - Not used - ­41-43 COM1-3 LCD common output O 2.6
44 S41 Not used - -
45-49 KS1-6 Key scan signal O 5.2
50 KI1 Not used - 0
51-54 KI2-5 Key data input I 0
55 TEST (Connecting to ground) - 0 56 VDD +5V power supply - 5.2 57 VDD1 Ground through capacitor - 3.5 58 VDD2 Ground through capacitor - 1.8 59 VSS Ground - 0 60 OSC CR oscillator - 4.1 61 DO key data output O 5.2 62 CE Chip enable I 0 63 CLK LCD clock I 0 64 DI LCD data input I 0
Port Description I/O (V)
4
6 PACKAGE AND IC BLOCK DIAGRAM
6.1. Main Block
CR-LS7160K
PA150 : YEP0PTA512B0
IC231 : AN7561Z-WLB
IC651 : YEAMH12187ER
5
CR-LS7160K
IC451 : YEAMLC72135C
IC201 : C1BB00000284
IC704 : AN8065SE1
IC701 : C0DBZHZ00006
IC602 : YEAM93LC46FE
6
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