TOYOTA CQ-VS8380a Service Manual

Specifications*

CQ-VS8380A

AM/FM/SW MPX Electronic Tuning
Radio with Stereo Cassette Tape Player

PART No. : 86120-52290
ID CODE : 57416

VEHICLE : COROLLA, PRONARD, ECHO, RAV4
DESTINATION : Middle and Near East
PRODUCED AFTER : July, 2003

General
Power Supply DC 12V (11V - 16V),

Test Voltage 13.2V

Negative Ground
Current Consumption Less than 3.0A
Power Output 17W×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 (YGFD04730)
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** 1.35kg

* 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-VS8380A

CONTENTS

Page Page

1 FEATUERS 2
2 SYSTEM BLOCK DIAGRAM
3 FRONT VIEW AND FUNCTIONS
4 REAR VIEW AND CONNECTORS
5 WIRING CONNECTION
6 BLOCK DIAGRAM
7 TERMINALS DESCRIPTION

8 PACKAGE AND IC BLOCK DIAGRAM 8

2

9 REPLACEMENT PARTS LIST
10 EXPLODED VIEW (Unit)

3
4

11 WIRING DIAGRAM
12 SCHEMATIC DIAGRAM -1

5
6

13 MEMO

7

1 FEATUERS

10
14
15
19
21

· PLL (Phase Locked Loop) synthesized tuning.

· 24-station preset (6-AM, 6-FM, 6-SW1, 6-SW2).

· Scan tuning function.

· Dolby noise reduction.

2 SYSTEM BLOCK DIAGRAM

· Electronic volume control.

· CD changer control function.

· Illumination color : Amber

2

3 FRONT VIEW AND FUNCTIONS

CQ-VS8380A

3

CQ-VS8380A

4 REAR VIEW AND CONNECTORS

4

5 WIRING CONNECTION

CQ-VS8380A

5

CQ-VS8380A

6 BLOCK DIAGRAM

6

7 TERMINALS DESCRIPTION

CQ-VS8380A

7.1. 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).

7.2. 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)

7

CQ-VS8380A

8 PACKAGE AND IC BLOCK DIAGRAM

8.1. Main Block

PA150 : YEP0PTY323A0

IC451 : YEAMLC72135C

8

CQ-VS8380A

PA100 : YEAU03SKM21

IC702 : YEAMLB1930MT

IC201 : C1BB00000284

IC651 : YEAMH12187ER

IC701 : C0DBZHZ00006

IC704 : AN8065SE1

9

CQ-VS8380A

9 REPLACEMENT PARTS

LIST

Notes :

1. Be sure to make your orders of replacement parts
according to this list.

2. Important safety notice: Components, identified by
have special characteristics important for safety. When
replacing any of these components, use only
manufacturer´s specified parts.

3. Location keys in the remarks column indicates the general
location of the parts shown in the exploded drawing, as in a
road map.

4. The marking (RTL) indicates that Retention Time is limited
for this item. After the discontinuation of assembly in
production, the item will continue to be available for a
specific period of time. The retention period of availability is
dependent on the type of assembly, and in accordance with
the laws governing part and product retention. After the end
of this period, the assembly will no longer be available.

Ref.

No.
[E6868] Main Block
IC´s AND TRANSISTORs
IC201 C1BB00000284 IC
IC231 AN7561Z-WLB IC
IC261 YEAMHA12181F IC
IC451 YEAMLC72135C IC
IC601 C2CBHG000067 IC
IC651 YEAMH12187ER IC
IC701 C0DBZHZ00006 IC
IC702 YEAMLB1930MT IC
IC704 AN8065SE1 IC
PA100 YEAU03SKM21 Electronic Tuner
PA150 YEP0PTY323A0 Electronic Tuner
Q150 B1GBCFNN0014 Transistor
Q151 B1GBCFNN0014 Transistor
Q152 B1GDCFNN0010 Transistor
Q261 B1GBCFGN0004 Transistor
Q272 B1GDCFNN0010 Transistor
Q452 B1GDCFNN0010 Transistor
Q453 B1GDCFNN0010 Transistor
Q601 YEANC4081STX Transistor
Q602 YEANC4081STX Transistor
Q701 YEAN2SA1757 Transistor
Q702 2SB1398QTA Transistor
Q731 YEANFP1F3PT1 Transistor
Q733 YEANC4081STX Transistor
Q741 B1GDCFJN0011 Transistor
Q742 B1BBAC000007 Transistor

DIODEs
D150 B0ADDJ000007 Diode
D201 YEADRD39M2T2 Diode
D211 YEAD1SS355T1 Diode
D242 YEAD1SS355T1 Diode
D250 B0ADDJ000007 Diode
D271 YEAD1SS355T1 Diode
D272 YEAD1SS355T1 Diode
D311 YEAD1SS355T1 Diode
D350 B0ADDJ000007 Diode
D631 B0ADDJ000006 Diode
D632 YEADSR1544TL Diode
D651 B0BC5R600020 Diode
D652 B0BC5R600020 Diode
D701 B0BC02700005 Diode
D703 YEADRB051L40 Diode

Part No. Part Name & Description Remarks

mark

Ref.

No.
D712 YEADSR1544TL Diode
D713 YEADSR1544TL Diode
D741 B0BC8R100002 Diode

CAPACITORs
C100 YECUZ1H103KX Ceramic, 0.01µF 50WV
C101 YECUZ1E223KX Ceramic, 0.022µF 25WV
C102 YECUZ1A224KX Ceramic, 0.22µF 10WV
C103 EEUFC1A221B Electrolytic, 220µF 10WV
C104 YECUZ1H103KX Ceramic, 0.01µF 50WV
C105 ECEA1HKA010I Electrolytic, 1µF 50WV
C107 F1H1C683A043 Ceramic, 0.068µF 16WV
C108 ECEA1CKA220I Electrolytic, 22µF 16WV
C151 YECUS1C563KX Ceramic, 0.056µF 16WV
C152 YECUZ1H103KX Ceramic, 0.01µF 50WV
C153 EEUFC1A221B Electrolytic, 220µF 10WV
C155 YECUZ1H471KX Ceramic, 470PF 50WV
C159 YECUZ1C104KX Ceramic, 0.1µF 16WV
C160 YECUZ1E223KX Ceramic, 0.022µF 25WV
C161 YECUZ1H103KX Ceramic, 0.01µF 50WV
C162 YECUZ1E223KX Ceramic, 0.022µF 25WV
C200 YECUZ1H103KX Ceramic, 0.01µF 50WV
C201 ECEA0JKA331I Electrolytic, 330µF 6.3WV
C202 F1H1C683A043 Ceramic, 0.068µF 16WV
C203 F1H1C683A043 Ceramic, 0.068µF 16WV
C204 YECUZ1H103KX Ceramic, 0.01µF 50WV
C205 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C206 F1H1C473A005 Ceramic, 0.047µF 16WV
C207 F1J1H1020024 Ceramic, 1000PF 50WV
C208 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C209 ECEA1HKSR33I Electrolytic, 0.33µF 50WV
C211 ECEA1HKA010I Electrolytic, 1µF 50WV
C212 ECEA1HKA010I Electrolytic, 1µF 50WV
C213 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C221 ECEA1CKS100I Electrolytic, 10µF 16WV
C222 ECEA1CKA100I Electrolytic, 10µF 16WV
C235 YECUS1C224KX Ceramic, 0.22µF 16WV
C236 YECUS1C224KX Ceramic, 0.22µF 16WV
C237 YECUS1C224KX Ceramic, 0.22µF 16WV
C238 YECUS1C224KX Ceramic, 0.22µF 16WV
C241 ECEA1CKA101I Electrolytic, 100µF 16WV
C242 ECEA1HKA010I Electrolytic, 1µF 50WV
C250 YECUZ1E223KX Ceramic, 0.022µF 25WV
C251 YECUZ1H682KX Ceramic, 6800PF 50WV
C252 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C261 EEAFC1A390H Electrolytic, 39µF 10WV
C262 YECUZ1H103KX Ceramic, 0.01µF 50WV
C263 ECEA1HBD010I Electrolytic, 1µF 50WV
C264 ECEA1HKA3R3I Electrolytic, 3.3µF 50WV
C265 YECUZ1C333KX Ceramic, 0.033µF 16WV
C266 F1H1C683A043 Ceramic, 0.068µF 16WV
C267 YECUZ1C333KX Ceramic, 0.033µF 16WV
C268 YECUZ1C333KX Ceramic, 0.033µF 16WV
C269 YECUZ1A124KX Ceramic, 0.12µF 10WV
C290 YECUZ1C333KX Ceramic, 0.033µF 16WV
C291 YECUZ1H472KX Ceramic, 4700PF 50WV
C292 ECEA1AKA101I Electrolytic, 100µF 10WV
C293 YECUZ1H103KX Ceramic, 0.01µF 50WV
C294 YECUZ1A224KX Ceramic, 0.22µF 10WV
C295 YECUZ1H102KX Ceramic, 1000PF 50WV
C296 YECUZ1H103KX Ceramic, 0.01µF 50WV
C300 YECUZ1H103KX Ceramic, 0.01µF 50WV
C301 ECEA0JKA470I Electrolytic, 47µF 6.3WV
C302 F1H1C683A043 Ceramic, 0.068µF 16WV
C303 F1H1C683A043 Ceramic, 0.068µF 16WV
C304 YECUZ1H103KX Ceramic, 0.01µF 50WV
C305 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C307 F1J1H1020024 Ceramic, 1000PF 50WV
C308 ECEA1HBD2R2I Electrolytic, 2.2µF 50WV
C309 ECEA1HKSR33I Electrolytic, 0.33µF 50WV
C311 ECEA1HKA010I Electrolytic, 1µF 50WV
C312 ECEA1HKA010I Electrolytic, 1µF 50WV

Part No. Part Name & Description Remarks

10