TOYOTA CR-LT1010 Service Manual
Specification*
I0
AUTOMOTIVE ELECTRONICS
CR-LT1010X
AM/FM MPX Electronic Tuning Radio
PART No. : 86120-AD010
ID CODE : A51409
VEHICLE : TACOMA
DESTINATION : North America
PRODUCED AFTER : Aug., 2000
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 - 1,710kHz
Usable Sensitivity 25dB(µV) (S/N 20dB)
FM Stereo Radio
Frequency Range 87.7 - 107.9MHz
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-LT1010X
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-LT1010X
3
CR-LT1010X
5 TERMINALS DESCRIPTION
5.1. Main Block
IC601 : C2BBGF000087
Pin
No.
1 ILL-DEWT Illimi. power detection I 0
2-6 - Not used - -
7 STBY Voltage generator stand-by O 5.0
8 LATCH Voltage generator data latch O 5.0
9 DATA Voltage generator data O 0
10 CLK Voltage generator clock O 0
11 NC No connection - 12 LCD-DO LCD data I 4.9
13 LCD-CELCD driver chip enable O 0
14 LCD-CLK LCD clock O 0
15 LCD-DI LCD data O 0
16 SIYOU (Ground pull-up) - 4.9
17,18 NC No connection - -
19 VOL B Rotary encoder for volume I 4.9
20 VOL A Rotary encoder for volume I 4.9
21 MODE B Rotary encoder for mode SW I 0
22 MODE A Rotary encoder for mode SW I 0
23 V CONT AAM/FM level detection I 0.3
24 ACC-DET ACC level detection I 1.9
25 - Battery level detection I 1.7
26 REO-IN Illumi.(-) detection I 0
27 VDD +5V power supply - 5.0
28-31 (GND) (Connecting to ground) - 0
32 AVSS Ground - 0
33 REGCPU Voltage regurator terminal - 3.4
34 VDD0 +5 power supply - 5.0
35 REGOSC (Connecting to ground) - 0
36 X2 Crystal oscillator - 2.2
37 X1 Crystal oscillator - 1.6
38 GND0 Ground - 0
39 NC No connection - 0
40 GND2 Ground - 0
41 AM IF AM IF input I 1.8
42 FM IF FM IF input I 2.0
43 VDDPLL +5V power supply - 4.9
44 FMOSC FM local oscillator I 2.2
45 AMOSC AM local oscillator I 1.3
46 GNDPLL Ground - 0
47 EO0 PLL phase-comp. error O 1.6
48 NC No connection - 49 IC (Connecting to ground) - 50 RESET Reset input I 4.3
51 CD EJ (Connecting to ground) - 0
52 TAPE EJ Not used - 53 RESMON Reset output (Vdd=4.5V) O 5.0
54 NC No connection - 55 SD B/S detection I 0.2
56 SSC Search stop clear O 0
57 DX/LOC Not used - 58 ST FM stereo detection I 0.3
59 BEEP Bep output O 0
60 PWR (Connecting to ground) - 0
61 PWM ILL ILL power control O 7.3
62 PWM LCD LCD power control O 7.3
63,64 - Not used - -
65 TEST Test terminal O 0
66-68 NC No connection - -
69 RIN Not used - 70 FIN Not used - -
71,72 - Not used - -
73 D.IN LAN data O 0
74 D.OUT LAN data I 0
75 VOL CLK Clock for electronic volume O 0
76 VOL DATA Clock for electronic volume O 0
77 MUTE Mute for electronicvolume O 0
78 INTERS Reset input (Vdd=4.5V) I 5.0
79 BIT1 (VDD pull-up) - 4.9
Port Descriptions I/O Vol.
(V)
Pin
No.
80 BIT2 (VDD pull-up) - 4.9
81 BIT3 (VDD pull-up) - 4.9
82 GND1 Ground - 0
83 EQ (Ground pull-down) - 0
84 MSM Not used - 85 NC No connection - 86 END-A (Ground pull-down) - 0
87 END-B (Ground pull-down) - 0
88,89 NC No connection - -
90 T.IN Not used - 91 CAM A/B (Ground pull-down) - 0
92 DOLBY Not used - 93 T.LOAD (VDD pull-up) - 4.9
94 MS-PL/FF Not used - 95 MSOUT Not used - 96 MTL (Ground pull-down) - 0
97 A/B Not used - 98 NC No connection - 99 VDD PORT +5V power supply - 5.0
100 GND PORT Ground - 0
Port Descriptions I/O Vol.
(V)
Note :
Voltage measuerments are with respect to ground, with a
voltmeter (Internal resistance : 10M ohms.)
5.2. Display Block
IC901 : C0HBA0000016
Pin
No.
1-33 SEG1-33 LCD segment data O 2.5
34-40 SEG34-40 Not used - 41-43 COM1-3 LCD common O 2.5
44 KS1/S41 Not used - -
45-49 KS2-9 Key scan O 0.9
50-54 KI1-5 Key data I 0
55 TEST (Connecting to ground) - 0
56 VDD +5V power supply - 5.1
57 VDD1 Ground through capacitor
58 VDD2 Ground through capacitor
56 Vss Ground - 0
60 OSC CR oscillator terminal - 3.9
61 DO LCD data O 4.4
62 CE LCD driver chip enable I 0
63 CL Clock for LCD I 0
64 DI LCD data I 0
Port Descriptions I/O Vol.
terminal
terminal
(V)
- 3.3
- 1.7
4
6 PACKAGE AND IC BLOCK DIAGRAM
6.1. Main Block
CR-LT1010X
PA101 YEP0PTA514B0
IC202 : AN7551Z
5
CR-LT1010X
IC7691 : C1BB00000034
IC201 : C1BB00000284
IC701 : C0DBZHZ00005
6
Loading...