Panasonic CQEF-7160-A Service manual

ORDER No. 6072

CUSTOM MADE FOR SUBARU CQ-EF7160A

AM/FM MPX ELECTRONIC TUNING RADIO with Stereo Cassette Tape Player and 6-Disc CD Changer

SUBARU PART No. : 86201SA030 ID CORD : P127

VEHICLE : FORESTER DESTINATION : North America PRODUCED AFTER : Jan., 2002

Specification*

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

Test Voltage 13.2V

Negative Ground Current Consumption Less than 2.5A (Vol. Max.) Maximum Power Output 25W×4ch Output Impedance 4Ω

AM Radio Frequency Range 530 - 1,710kHz Usable Sensitivity 26dB/µV (S/N 20dB)

FM Stereo Radio Frequency Range 87.7 - 107.9MHz Usable Sensitivity 6dB/µV (S/N 30dB)

WB Radio Frequency Range 162.400 - 162.550MHz Usable Sensitivity 6dB/µV (S/N 20dB)

Cassette Player

Reproduction System 4-Track, 2-Program Stereo Tape Speed 4.76cm/sec. Wow and Flutter Less than 0.2% (WRMS) Signal to Noise Ratio 55dB

CD Changer Signal to Noise Ratio More than 68dB (IHF-A) Total Harmonic Distortion Less than 0.4% Channel Separation 62dB (IHF-A)

Dimensions** (W×H×D) 178×100×174mm

Weight** 2.7kg

* 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

CUSTOM MADE FOR SUBARU / CQ-EF7160A

CONTENTS

Page Page

1 FEATUERS 2 2 LASER PRODUCTS 3 REAR VIEW 4 FRONT VIEW AND FUNCTIONS 5 OPERATION OF CONTROLS 6 WIRING CONNECTION 7 BLOCK DIAGRAM (Main Block) 8 BLOCK DIAGRAM (CD Servo Block) 9 TERMINALS DESCRIPTION 10 ALIGNMENT INSTRUCTIONS 11 ALIGNMENT POINTS 12 CD DISC CENTERING ALIGNMENT

13 PACKAGE AND IC BLOCK DIAGRAM 14

14 REPLACEMENT PARTS LIST

15 EXPLOD ED VIEW (Unit)

16 CD CHANGER PARTS LIST

17 EXPLOD ED VIEW (CD Deck-1)

18 EXPLOD ED VIEW (CD Deck-2)

19 EXPLOD ED VIEW (CD Deck-3)

20 TAPE PLAYER PARTS

21 EXPLOD ED VIEW (Tape Deck)

22 WIRING DIAGRAM

23 SCHEMATIC DIAGRAM-1

24 SCHEMATIC DIAGRAM-2

17 21 22 25 26 27 28 29 30 37 39

1 FEATUERS

18-station preset (12-FM, 6-AM)

Scan Tuning.

TPS function.

Dolby noise reduction.

6-disc CD changer (in dash board).

CD changer control.

Electronic sound control function.

2 LASER PRODUCTS

3 REAR VIEW

4 FRONT VIEW AND FUNCTIONS

CUSTOM MADE FOR SUBARU / CQ-EF7160A

5 OPERATION OF CONTROLS

5.1. Power and Volume Controls

5.1.1. Power

Press PWR knob (1) to switch on the power.

Perss PWR knob (1) again to switch off the power.

5.1.2. Volume

Turn VOL knob (1) to the right or left to increase or decrease the volume.

5.2. Tone Controls

5.2.1. Changing Audio Modes

Press BAS/TRE button (7) to change the audio mode as follows.

BASS → TREB → VOL → .... BASS ...

5.2.2. Bass

1. Press BAS/TRE button (7) to select the bass mode.

2. Turn knob (1) to the right or left to increase or decrease the low tones.

5.2.3. Treble

1. Press BAS/TRE button (7) to select the treble mode.

2. Turn knob (1) to the right or left to increase or decrease the high tones.

5.4. Radio Controls

5.4.1. Selecting a Band

Press FM/AM button (3) to select the FM/AM band.

FM → AM → ... FM ...

5.4.2. Manual Tuning

Turn TUNE knob (6) to the right less than 0.5 seconds to move to a higher frequency by one step.

Turn TUNE knob (6) to the left less than 0.5 seconds to move to a lower frequency by one step.

AM FM

One Step 10kHz 0.2MHz

Turn TUNE knob (6) to the right or left more than 0.5 seconds to move to a higher or lower frequency continuously.

5.4.3. Scan Tuning

Pess SCAN button (10). The frequency becomes continuously higher by one step.

When receiving a station, scanning operation pauses automatically for approx 5 sec, and then start scanning for next station again.

5.3. Baiance and Fader Controls

5.3.1. Changing Audio Modes

Press BAL/FAD button (8) to change the audio mode as follows.

BAL → FAD → VOL → .... BAL ...

5.3.2. Balance

1. Press BAL/FAD button (8) to select the balance mode.

2. Turn knob (1) to the right or left to shift the sound volume to the right or left speakers.

5.3.3. Fader

1. Press BAL/FAD button (8) to select the fader mode.

2. Turn knob (1) to the right or left to shift the sound volume to the front or rear speakers.

5.5. Tape Controls

5.5.1. Selecting a Tape Mode

Press TAPE button (4) , if a cassette is loaded, then the mode changes to the tape player mode.

5.5.2. Fast Forward and Rewind

Press FF button (9)-3 to fast forward the tape.

Press REW button (9)-1 to rewind the tape.

5.5.3. Changing Sides

Press PROG button (9)-2 to change to the program on the other side of the tape.

5.5.4. TPS Mode

Press TPS button (9)-5 to skip long unrecorded portions more than 15 secondes on the tape.

5.5.5. TPS FF and REW

If FF button (9)-3 press within TPS mode, the cassette player fast forward to the beginning of the next music.

If REW button (9)-1 press within TPS mode, the cassette player rewind to the beginning of the current music.

CUSTOM MADE FOR SUBARU / CQ-EF7160A

play from the beginning of the track.

5.6.6. Fast Forward and Revers

Turn knob (6) to the right more than 0.5 seconds to fast forward a track.

Turn knob (6) to the left more than 0.5 seconds to reverse through a track.

5.6.7. Repeating a Track

Press RPT button (11) to repeat the current selection.

5.6.8. Random Selection

Press RDM button (12). A random selection of music is played from all available tracks on the current disc.

5.5.6. Repeat Play

Press RPT button (11) to repeat the same music.

5.5.7. Dolby Noise Reduction

Press "Dolby" button (9)-4 to set the Dolby B NR mode.

5.6. CD Changer Controls

5.6.1. Selecting a CD Changer

Press CD button (5) to change the CD changer as follows.

→ 6-disc CD CH (in dash board) → 6-disc CD CH (for BUS I/F) →

5.6.2. Loading Discs <Only for “in Dash Board Changer”>

Press LOAD button (13) less than 1.5 secondes to load a disc.

Press LOAD button (13) more than 1.5 secondes to load all the disc.

5.6.3. Ejecting Discs <Only for “in Dash Board Changer”>

......

Press button (15) less than 1.5 secondes to eject a playing disc.

5.6.4. Selecting a Disc

Press one of the bottons (9) to select a dsired disc.

5.6.5. Selecting a Track

Turn TRACK knob (6) to the right less than 0.5 secondes to go to the next track.

Turn TRACK knob (6) to the left less than 0.5 seconds to

CUSTOM MADE FOR SUBARU / CQ-EF7160A

6 WIRING CONNECTION

7 BLOCK DIAGRAM (Main Block)

CUSTOM MADE FOR SUBARU / CQ-EF7160A

8 BLOCK DIAGRAM (CD Servo Block)

9 TERMINALS DESCRIPTION

CUSTOM MADE FOR SUBARU / CQ-EF7160A

9.1. Main Block

IC601 : C2BBGF000299

No.

1 BATT-DET Batterylevel detection I 4.7 2 ACC-DET ACC level detection I 4.7 3 WB.CONT (Ground pull-down) - 0 4 FM.CONT FM radio power control O 5.1 5 AM/FM.CONTRadio power control O 5.0

6 CD-ON CD controll enable O 5.4 7 CD-RESET CD reset O 5.3 8 CD-SOM CD serial data O 4.9

9 CD-SIM CD serial data I 5.2 10 CD-SCKM Shift clock for CD serial data O 5.3 11 CD-SW1 (Ground pull-down) I 0 12 CD-SW3 (Ground pull-down) I 0 13 IDC.CONT CD changer power control O 5.2 14 DOLBY Dolby NR control O 0 15 M1-A Tape main motor control O 0 16 M1-B Tape main motor control O 0 17 END-A Tape end detection I 1.5 18 END-B Tape end derection I 1.6 19 VOL.CLK Electronic volume clock O 0 20 VOT.DATA Electronic volume data O 0 21 MUTE System mute O 0 22 AMP.C Power Amp. stand-by O 5.2 23 V.CONT (Ground pull-down) - 0 24 ILL.C (Ground pull-down) - 0 25 EQ/AM.IN (Ground pull-down) - 0 26 BIT1 Tape mode switch I 4.9 27 AVDD +5V power supply - 5.2 28 BIT2 Tape mode switch I 4.9 29 BIT3 Tape mode switch I 0 30 SD B/S detection I 0 31 FM.ST FM stereo detection I 0.4 32 AVSS Ground - 0 33 REGCPU Coupling capacitor terminal - 3.4 34 VDD +5V power supply - 5.2 35 REGOSC Coupling capacitor terminal - 5.2 36 X2 Crystal oscillator - 2.2 37 X1 Crystal oscillator - 0 38 GND Ground - 0 39 SSC Serch stop clear O 0 40 GND Ground - 0 41 AM.IF AM IF counter O 0 42 FM.IF FM IF counter O 0 43 PLL.VDD PLL +5V power supply - 5.2 44 FM.OSC FM local OSC I 2.4 45 AM.OSC AM local OSC I 1.3 46 PLL.GND Ground - 0 47 EO0 PLL phase error O 1.4 48 NC No connection - 49 IC (Connecting to ground) - 0 50 /RESET System reset I 4.8 51 CD.EJ CD eject switch I 5.1 52 TAPE.EJ Tape eject switch I 5.1

53-57 KI1-5 Key data input I 0

58 AM NC (Ground pull-down) - 0 59 BEEP Beep output O 0 60 DIV ON/OFF (+5V pull-up) - 5.0

61-66 - Not used - -

67 M2 Tape sub motor control O 0 68 M2F Tape sub motor control O 0.5

Port Description I/O (V)

69 EN-B Rotary encoder data I 0 70 EN-A Rotary encoder data I 0 71 SYIYOU6 Specification setting I 4.9 72 SYIYOU7 Specification setting I 0 73 SYIYOU8 Specification setting I 0 74 LCD.DIN LCD data O 5.1 75 LCD.CE LCD chip enable O 0 76 LCD.CLK LCD shift clock O 0 77 LCD.DOUT LCD data I 0 78 POWER.SW Power switch input I 5.1 79 CD-CH.IN CD changer data I 5.1 80 CD-CH.OUT CD changer data O 0 81 ILL.DET (ACC5V pull-up) I 5.1 82 GND Ground - 0 83 TEST.P Test point I 5.1 84 SYIYOU1 Specification setting I 5.0 85 SYIYOU2 Specification setting I 0 86 SYIYOU3 Specification setting I 0 87 SYIYOU4 Specification setting I 5.0 88 SYIYOU5 Specification setting I 0 89 P.CONT Power control O 5.1 90 LCD.C LCD illumi. control O 5.1 91 TAPE.CONT Tape power control O 4.6 92 A/B.OUT Tape FF/REW selection O 0 93 MS-PL/FF MS mode control O 0 94 MSM MS gain control O 0 95 MS Tape unrecorded portion detection I 0 96 A/B.IN Tape side detection I 0 97 T.LOAD Tape loading detection I 0 98 T-IN Tape-in signal I 0 99 VDD +5V power supply - 5.2

100 GND Ground - 0

Note :

Voltage measuerments are with respect to ground, with a voltmeter (Internal resistance : 10M ohms.)

9.2. Display Block

IC901 : YEAMLC75853

No.

1-15 S1-S15 LCD segment data O 2.5 16-19 S16-S19 Not used - 20-40 S20-S40 LCD segment data O 2.5 41-43 COM1-3 LCD common O 2.5 44-47 KS1-4 Key scan O 0.9 48,49 KS5, 6 Not used - 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 terminal - 3.3 58 VDD2 Ground through capacitor terminal - 1.7 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 Description I/O (V)

CUSTOM MADE FOR SUBARU / CQ-EF7160A

9.3. CD Servo Block

IC201 : MN662783RPW

Pin No.

1 VDD +5V power supply - 5.0 2 D0 D-RAM data I/O 2.3 3 D1 D-RAM data I/O 1.8 4 /WE D-RAM data write O 4.9 5 /RAS D-RAM row address strobe O 3.4 6 D2 D-RAM data I/O 0.8 7 D3 D-RAM data I/O 0 8 /CAS0 D-RAM columun address strobe O 3.9

9 /CAS1 D-RAM columun address strobe O 0 10 A8 D-RAM address O 0.6 11 A7 D-RAM address O 1.1 12 A6 D-RAM address O 0.7 13 A5 D-RAM address O 0 14 A4 D-RAM address O 1.1 15 A9 D-RAM address OZ 0.4

16-18 A0 D-RAM address O 1.0

19 A3 D-RAM address O 0 20 VSS2 Ground - 0 21 VDD2 +5V power supply - 5.0

22,23 - Not used - -

24 TVD Traverse motor control O 2.5 25 PC Not used - 26 ECS Spindle motor control O 2.4 27 TRD Tracking coil drive O 2.5 28 FOD Focus coil drive O 2.4 29 FBAL Focus balance O 1.9 30 TBAL Tracking balance O 3.0 31 VREF Refence voltage I 2.5 32 FE Focus error I 2.5 33 TE Tracking error I 2.5 34 RFENV RF envelope I 2.5 35 OFT Off track signal I 0 36 /RFDET RF detecting signal I 0 37 BDO Drop-out signal I 0 38 LDON Laser on signal O 4.5 39 ARF RF signal I 2.5 40 IREF Reference current input I 1.2 41 DRF Bias for DSL I 2.4 42 DSLF Loop filter for DSL I/O 2.5 43 DSLF2 Loop filter for DSL I/O 2.2 44 PLLF Loop filter for PLL I/O 1.4 45 VCOF Not used - 46 AVDD2 +5V power supply - 5.0 47 AVSS2 Ground - 0 48 OUTL L channel output O 2.3 49 AVSS1 Ground - 0 50 OUTR R channel output O 2.3 51 AVDD1 +5V power supply - 4.7

52-54 - (Connecting to ground) - 0

55 FLAG Flag output O 0 56 FCLK Frame clock O 0

57-59 - Not used - -

60 TX Not used - 61 MCLK Clock for I/F command I 1.0 62 MDATA Date for I/F command I 3.1 63 MLD I/F command load I 5.0 64 BLKCK Subcode block clock O 0 65 SQCK Ext.clock for sub code-Q I 5.0 66 SUBQ Code for sub. code-Q O 3.8 67 DMUTE Mute input I 0 68 STAT Status signal O 5.0 69 /RST Reset input I 5.0

Port Description I/O (V)

70 CSEL (Connecting to ground) - 0 71 PMCK Clock output O 2.5 72 SMCK Clock output O 2.5 73 SUBC Serial data of sub code O 0 74 SBCK Shift clock for SUBC I 0.6 75 /CLDCK Not used - 76 /TEST (Connecting to VDD) - 5.0 77 X1 Crystal oscillator - 0.4 78 X2 Crystal oscillator - 3.2 79 VDD1 +5V power supply - 5.0 80 VSS1 Ground - 0

IC301 : MN1873260AB

Pin No.

1 VDD +5V power supply - 5.0 2 OSC2 Crystal oscillator - 2.2 3 OSC1 Crystal oscillator - 2.1 4 VSS Ground - 0 5 XI (Connecting to ground) - 0 6 XO Not used - 7 CM (Connecting to ground) - 0 8 VREFH Reference voltage I 5.0

9 SW13 Shuter SW I 4.9 10 SW12 Horizontal origin I 4.9 11 SW11 Clump SW I 0 12 SW10 Play SW I 0 13 SW4 Shuter SW I 4.9 14 SW3 Tray origin SW I 0 15 SW2 Inner SW I 4.8 16 SW1 Outer SW I 4.9 17 VREFL Reference voltage I 0 18 /RESET Reset input I 4.9 19 - (Ground pull-down) - 0 20 SCKM Clock for serial data I 5.0 21 SIM CD changer serial data I 1.3 22 SOM CD changer serial data O 4.3 23 SQCK Ext. clock for sub. code-Q O 5.0 24 SUBQ Code for sub. code-Q I 1.6 25 - Not used - 5.0 26 - (Ground pull-down) - 0 27 CD.ON CD changer start/stop I 5.0 28 - Not used - 5.0 29 BLKCK Sub. code block clock I 0 30 P.ON Not used - 5.0 31 MUTE Mute output O 5.0 32 - (Ground pull-down) - 0 33 SENS Servo status O 0 34 CLVS Servo status O 5.0 35 FLOCK Focus servo lock O 0.2 36 TLOCK Tracking servo lock O 0 37 VMI Horizontal motor control O 2.5 38 HMI Vertical motor control O 0 39 HVMUTE H/V motor mute O 0

40-42 - (Ground pull-down) - 0

43 SW9 Disc-in (B) SW I 0 44 SW8 Disc-in (L) SW I 0 45 SW7 Disc-in (F) SW I 0 46 SW6 Disc push SW I 0 47 SW5 Tray hight SW I 4.5 48 BDO Drop-out signal I 0 49 DQSY Not used - 50 /RST Reset output O 5.0 51 STAT Status signal I 2.1 52 DMUTE Mute output O 0 53 XE Not used - -

Port Description I/O (V)

54 P.DOWN Power down signal O 0 55 - No connection - 56 MLD I/F command load O 5.0 57 MDATA Data for I/F command O 3.1 58 MCLK Clock for I/F command O 4.1 59 SPMT Spindle mute O 5.0 60 MUTE12 Focus/Tracking mute O 0 61 MUTE4 Loading motor mute O 4.8 62 LDOI Loading motor control I/O 2.5 63 TRV Forced traverse control I/O 2.4 64 SYNC Not used - -

CUSTOM MADE FOR SUBARU / CQ-EF7160A

10 ALIGNMENT INSTRUCTIONS

10.1. Alignment Conditions

Power Supply Voltage : DC13.2V

Output Impedance : 4

Output Power : 0.5W

Note :

Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the factory.

Ω

10.2. Dolby NR Alignment

Step Alignment Item Test Tape VTVM Connection Adjust Remarks

(1) DOLBY NR Rch RFKZ0038 TP201 VR201 Adjust for 388mV ±1.0dB (2) DOLBY NR Lch RFKZ0038 TP301 VR301 Adjust for 388mV ±1.0dB

11 ALIGNMENT POINTS

Balance, Fader Control : center

Bass, Treble Control : Center

Dolby NR: OFF

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