TOYOTA CQ-VS8180 Service Manual
Specifications*
CQ-VS8180A
AM/FM/SW MPX Electronic Tuning
Radio with Stereo Cassette Tape Player
PART No. : 86120-42070
ID CODE : 57414
VEHICLE : COROLLA, PRONARD, ECHO, RAV4
DESTINATION : Middle and Near East
PRODUCED AFTER : Aug., 2001
General
Power Supply DC 12V (11V - 16V),
Test Voltage 13.2V
Negative Ground
Current Consumption Less than 3.0A
Power Output 20W×4
AM Radio
Frequency Range 531 - 1,602 kHz
Usable Sensitivity 25dB/µV (S/N 20dB)
FM Stereo Radio
Frequency Range 87.5 - 108.0MHz
Usable Sensitivity 6dB/µV (S/N 30dB)
SW Radio (SW1)
Frequency Range 2.940 - 7.735MHz
Usable Sensitivity 27dB/µV
SW Radio (SW2)
Frequency Range 9.500 - 21.975MHz
Usable Sensitivity 30dB/µV
Cassette Player
Reproduction System 4-Track, 2-Program Stereo
Tape Speed 4.76cm/sec.
Wow and Flutter 0.09% (WRMS)
Signal to Noise Ratio More than 42dB
Separation More than 30dB
Dimensions** (W×H×D) 178×70×165mm
Weight** 1.3kg
* Specifications and the design are subject to possible modification
without notice due to improvements.
** Dimensions and Weight shown are approximate.
Dolby noise reduction manufactured under license from Dolby
Laboratories Licensing Corporation.
“Dolby” and the double-D symbol
Laboratories Licensing Corporation.
are trade marks of Dolby
CQ-VS8180A
CONTENTS
Page Page
1 FEATUERS 2
2 REAR VIEW AND CONNECTORS
3 FRONT VIEW AND FUNCTIONS
4 WIRING CONNECTION
5 BLOCK DIAGRAM
6 TERMINALS DESCRIPTION
7 PACKAGE AND IC BLOCK DIAGRAM
8 ALIGNMENT INSTRUCTIONS
9 ALIGNMENT POINTS 9
2
10 REPLACEM ENT PARTS LIST
3
11 EXPLODED VIEW (Unit)
12 TAPE PLAYER PARTS
4
5
13 EXPLODED VIEW (Tape Deck)
6
14 WIRING DIAGRAM
15 SCHEMAT IC DIAGRAM -1
7
9
16 SCHEMAT IC DIAGRAM -2
1 FEATUERS
10
14
15
17
18
23
25
∙ PLL (Phase Locked Loop) synthesized tuning.
∙ 24-station preset (6-AM, 6-FM, 6-SW1, 6-SW2).
∙ Scan tuning function.
∙ Dolby noise reduction.
∙ Electronic volume control.
∙ CD changer control function.
2 REAR VIEW AND CONNECTORS
2
3 FRONT VIEW AND FUNCTIONS
CQ-VS8180A
3
CQ-VS8180A
4 WIRING CONNECTION
4
5 BLOCK DIAGRAM
CQ-VS8180A
5
CQ-VS8180A
6 TERMINALS DESCRIPTION
6.1. Main Block
IC601 : C2CBHG000067
Pin
No.
1 BEEP Buzzer output O 0
2 BIT3 Tape mode SW I 4.8
3 BIT2 Tape mode SW I 4.8
4 BIT1 Tape mode SW I 0
5 FIN Tape motor control O 0
6 RIN Tape motor control O 0
7 MUTE System mute O 0
8 NC No connection - -
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 Not used - 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 AM noise cancellor on/off O 4.8
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 (VDD pull-up) - 5.0
52 9K/5K (Connecting to ground) - 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 TPS detection O 4.8
65 NC No connection - 66 NC No connection - 67 NC No connection - 68 MS-PL/FF MS mode selection O 0
69 T.LOAD Tape loading detection I 0
70 DOLBY Dolby NR on/off O 5.0
71 NC No connection - 72 NC No connection - 73 TEST (GND pull-down) - 0
74 NC No connection - 75 NC No connection - 76 NC No connection - 77 A/B Tape forward-reverse SW I 0
78 MTL Metal tape mode on/off O 0
79 CAM A/B Tape side detection I 0
80 MSM MS gain control O 4.9
81 NK-IN AM signal level I 0
82 VDD +5V power supply - 5.0
83 AVDD +5V power supply - 4.8
84 GND Ground - 0
85 LANIN LAN data input I 0
86 LANOUT LAN data output O 0
87 GND Ground - 0
88 NC No connection - 89 ILL-DET ILL detection I 0
90 EQ Metal tape detection I 4.8
91 +B-DET Battery level detection I 4.9
92 ACC-DET ACC level detection I 4.9
93 TAPE-EJ Tape eject SW I 4.9
94 T.IN Tape detection I 0
95 END-B Tape end detection I 0
96 END-A Tape end detection I 0
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).
6.2. 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)
6
7 PACKAGE AND IC BLOCK DIAGRAM
7.1. Main Block
CQ-VS8180A
PA150 : YEP0PTY323A0
IC451 : YEAMLC72135C
7
CQ-VS8180A
PA100 : YEAU03SKM21
IC702 : YEAMLB1930MT
IC201 : C1BB00000284
IC651 : YEAMH12187ER
IC701 : C0DBZHZ00006
IC704 : AN8065SE1
8
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