Toyota CRT2242 страница 32 Скачать руководство пользователя

Страница: 32 / 34

GM-8886ZT,8886ZT-91

7.3.3 Service Mode For DSP Amplifier

1. Outline

This specifications details operation according to our

suggestion for answering complaint about sound

quality in audio systems. It is based on an assump-

tion that a dealer or service person operate the prod-

uct to solve the problem.

2. Sound Quality Service Mode Function

Sound Quality Service mode has the following func-

tions:

Frequency characteristics adjustment : Specifies

two points (frequency/dB value) of equalizer (EQ)

to adjust frequency characteristics. Also adjusts

attenuation.

Level adjustment : Adjusts sound levels of the

front and rear speakers and woofer.

3. Activating Sound Quality Service Mode

Use the following steps to activate Sound Quality

Service mode.

Confirm that ACC is ON, then activate Dialogue

mode.

(Operate according to the method of activation of

diagnosis mode specified for the system.)

Press the [AM] button of H/U in the MENU screen

in Diagnosis mode .

The system enters Sound Quality mode. Then, the

system beeps one time and displays “AUDIO.” You

cannot return to Dialogue mode by pressing a button

from Sound Quality Service mode.

4. Canceling Sound Quality Service mode

Setting ACC to OFF cancels Sound Quality Service

mode. After that, the system will maintain sound

quality set in Sound Quality Service mode.

Normal

Diagnosis mode
(Menu Screen)

Sound Quality
Service mode

Entering Dialogue mode

Canceling Dialogue mode

Press [AM]
for five seconds.

Acc off

Additional processing

Flowchart of activation/cancellation of Sound Quality Service mode

Содержание CRT2242

Страница 1: ... SYSTEM POWER AMPLIFIER Manufactured for TOYOTA by PIONEER ELECTRONIC CORPORATION VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No ID No PIONEER MODEL No LEXUS SC300 U S A CANADA August 1998 86280 24210 GM 8886ZT UC LEXUS SC400 GM 8886ZT 91 UC SC300 400 ...

Страница 2: ... ELECTRICAL PARTS LIST 18 6 ADJUSTMENT 23 7 GENERAL INFORMATION 25 7 1 IC 25 7 2 DIAGNOSIS 28 7 2 1 DISASSEMBLY 28 7 2 2 CONNECTOR FUNCTION DESCRIPTION 29 7 3 EXPLANATION 30 7 3 1 BLOCK DIAGRAM 30 7 3 2 SYSTEM BLOCK DIAGRAM 31 7 3 3 SERVICE MODE FOR DSP AMPLIFIER 32 8 OPERATIONS AND SPECIFICATIONS 34 NOTE The GM 8886ZT 91 UC is supplementary genuine part for a TOYOTA vehicle and a PIONEER product ...

Страница 3: ...iption Part No 1 Screw BMZ30P060FMC 2 Screw BMZ50P080FMC 3 Screw CBA1327 4 Chassis CNA1852 5 Case CNB2102 6 Shield CNC6809 7 Shield CNC6810 8 Bracket CNC7486 9 Bracket CNC7487 10 Insulator CNM5537 11 Heat Sink CNR1432 12 Amp Unit CWM5682 13 Screw BMZ30P060FMC 14 Screw CBA1393 15 Connector CN901 CKM1222 16 Connector CN902 CKM1293 17 Connector CN903 CKM1245 18 Plug CN905 CKS3631 19 Plug CN906 CKS363...

Страница 4: ...AM 3 1 OVERALL CONNECTION DIAGRAM GUIDE PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST B PD5452A 7 13 0 93 13 87 HA12187FP A a A a A b A a A b A b A a Large size SCH diagram Guide page Detailed page B ...

Страница 5: ...5 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A A A b A B ...

Страница 6: ...6 GM 8886ZT 8886ZT 91 1 2 3 4 1 2 3 4 D C B A PD5452A HA12187FP A a A a A b ...

Страница 7: ...7 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A A a A a A b B B 7 13 0 93 13 87 ...

Страница 8: ...8 GM 8886ZT 8886ZT 91 1 2 3 4 1 2 3 4 D C B A A a A b A b A ...

Страница 9: ...9 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A A b A a A b B ...

Страница 10: ...PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram Capacitor Connector P C Board Chip Part SIDE A SIDE B A 2 Viewpoint of PCB diagrams B CN906 DSP UNIT A ...

Страница 11: ...11 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A A SIDE A B CN905 ...

Страница 12: ...12 GM 8886ZT 8886ZT 91 1 2 3 4 1 2 3 4 D C B A DSP UNIT A A ...

Страница 13: ...13 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A 2 3 1 SIDE B A ...

Страница 14: ...14 GM 8886ZT 8886ZT 91 1 2 3 4 1 2 3 4 D C B A B B CN52 A AMP UNIT ...

Страница 15: ...15 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A SIDE A CN51 A B ...

Страница 16: ...16 GM 8886ZT 8886ZT 91 1 2 3 4 1 2 3 4 D C B A B AMP UNIT B ...

Страница 17: ...17 GM 8886ZT 8886ZT 91 5 6 7 8 5 6 7 8 D C B A SIDE B B ...

Страница 18: ...K2125 L 373 Inductor LCTB120K2125 L 381 Inductor LCTB1R0K2125 L 401 Inductor LCTB1R0K2125 L 402 Inductor LCTB1R0K2125 L 403 Inductor LCTB1R0K2125 L 404 Inductor LCTB1R0K2125 L 421 Inductor LCTB1R0K2125 L 422 Inductor LCTB1R0K2125 L 424 Inductor LCTB1R0K2125 X 121 Crystal Resonator 22 5792MHZ CSS1406 X 301 Crystal Resonator 6 290MHz CSS1305 X 351 Crystal Resonator 16 9344MHz CSS1052 VR 601 Semi fix...

Страница 19: ...S1 10S682J R 610 RS1 10S103J R 611 RS1 10S154J R 612 RS1 10S472J R 613 RS1 10S104J R 614 RS1 10S562J R 615 RS1 10S103J R 616 RS1 10S102J R 617 RS1 10S473J R 618 RS1 10S333J R 619 RS1 10S472J R 620 RS1 10S471J R 621 RS1 10S683J R 622 RS1 10S103J R 623 RS1 10S222J R 624 RS1 10S0R0J R 625 RS1 10S0R0J CAPACITORS C 101 CKSQYB152K50 C 102 CKSQYB152K50 C 103 CEAL101M10 C 104 CKSQYB104K50 C 105 CEAL100M16...

Страница 20: ...00M10 C 607 CKSQYB823K25 C 608 CEALNP220M16 C 609 CEALR68M50 C 610 CEAL100M16 C 611 CEAL470M10 C 612 CEAL100M16 C 613 CEALNP100M10 C 614 CEAL220M10 C 615 CEJA101M10 C 616 CEJA470M10 C 617 CEJA470M10 C 618 CEAL6R8M35 C 619 CEALR68M50 C 620 CEJA470M10 C 621 CKSQYB103K50 Unit Number CWM5682 Unit Name Amp Unit MISCELLANEOUS IC 501 IC NJM2100M IC 502 IC NJM2100M IC 701 IC NJM2068MD IC 721 IC NJM2068MD ...

Страница 21: ...10S1R0J R 858 RS1 10S1R0J R 901 RS1 10S473J R 902 RS1 10S104J R 903 RS1 8S222J R 904 RS1 10S473J R 905 RS1 10S104J R 906 RS1 10S153J R 907 RS1 10S6R8J R 908 RS1 10S102J R 909 RS1 10S102J R 910 RS1 10S472J R 911 RS1 10S473J R 912 RS1 10S103J R 913 RS1 4S331J R 914 RS1 10S113J R 915 RS1 10S182J R 916 RS1 10S332J R 917 RS1 10S683J R 918 RS1 10S472J R 919 RS1 10S103J R 920 RS1 8S102J R 921 RS1 10S103J...

Страница 22: ...473K50 C 911 CEJA1R0M50 C 912 CEJA100M16 C 913 CKSQYB473K50 C 914 CEAS221M16 C 915 CKSQYB473K50 C 916 CEJA1R0M50 C 917 CKSQYB473K50 C 918 CKSQYB473K50 C 919 CKSQYB473K50 C 920 CEAS471M16 C 951 CKSQYB221K50 C 952 CKSQYB221K50 C 953 CKSQYB224K16 C 954 CKSQYB224K16 C 955 CKSQYB224K16 C 956 CKSQYB224K16 C 957 CKSQYB102K50 C 958 CKSQYB102K50 C 963 CKSQYB102K50 C 964 CKSQYB102K50 C 965 CKSQYB102K50 C 96...

Страница 23: ...23 GM 8886ZT 8886ZT 91 6 ADJUSTMENT Jigs GGD1153 ...

Страница 24: ...6 0 1V Pin 16 Ground wave of 7Hz 64mV to the MIC Pin 22 on a digital Pin 3 Ground terminal via a 600 ohm resistor multimeter 3 Repeat Steps 1 and 2 until doth adjustments satisfy the specifications 4 By using the jig CAN 906 CAN 912 Observe the output at VR602 3 6 0 1V Pin 16 Ground apply a sine wave of 7Hz 100dB SPL Pin 22 on a digital Pin 3 Open directly to the MIC multimeter 5 End To connect th...

Страница 25: ...25 GM 8886ZT 8886ZT 91 NJM78M08FA TA8221AH1 7 GENERAL INFORMATION 7 1 IC ...

Страница 26: ...26 GM 8886ZT 8886ZT 91 PD2055A ...

Страница 27: ... Test data input 22 PEEMUTE Not used 23 MUTE O C Mute output 24 SMUTEIN I System mute input 25 RESET I Reset input 26 27 NC Not used 28 XIN I Crystal oscillating element connection pin 29 XOUT O Crystal oscillating element connection pin 30 VSS GND 31 NAVMUT O C Navigation mute output 32 61 NC Not used 62 MODEL0 I Model select input 63 DSPMUTE O C DSP mute output 64 68 NC Not used 69 DSPERR2 I DSP...

Страница 28: ...connectors CN51 and CN52 from CN905 and CN906 respectively by pulling them upwards 4 Release the DSP Unit from 4 stoppers marked with arrows and remove the DSP Unit A B Heat Sink Case B B DSP Unit D Shield CN51 CN52 Shield C C CN905 CN906 C Removing the Case 1 Remove the Seal marked with arrows 2 Remove the seven screws A seven screws B remove the Case and Heat Sink ...

Страница 29: ...1H FL RDK RDH FL RDL RDJ RDA WF RDQ WF RDM RL RCZ RR RDP RL RCY RR RDN SGND R8G TXM ROY TXM L R1L R R1J L R R1M R1K BUS BUS RDB ACC R1B MUTE R1D CDR CDR UHY UHZ MUTE R2N SGD4 2CB CDL UHO CDL UH1 FR FR BU 7 2 2 CONNECTOR FUNCTION DESCRIPTION ...

Страница 30: ...30 GM 8886ZT 8886ZT 91 7 3 EXPLANATION 7 3 1 BLOCK DIAGRAM A B ...

Страница 31: ...MUTE BUS BUS CDR CDR CDL CDL GND S MUTE TXM TXM FR FR FL FL TLMT RR RR RL RL WF WF E B ACC CDR CDR CDL CDL MUTE TXM TXM ACC E ILL ILL E AMP ANTA ANTB IG B ACC E PWR VOL VOLC SGND ILL ILL TLMT TEL ECU TW SP RH FR SP RH FR SP LH TW SP LH RR SP RH RR SP LH WF SP 5CH AMP GM 8886ZT HEAD UNIT KEX M8886ZT CD CHANGER CDX M8286ZT PWR SW MOTOR ANT THEOSTAT FUSE SPEAKERS Shield Shield ...

Страница 32: ...rvice Mode Use the following steps to activate Sound Quality Service mode 1 Confirm that ACC is ON then activate Dialogue mode Operate according to the method of activation of diagnosis mode specified for the system 2 Press the AM button of H U in the MENU screen in Diagnosis mode The system enters Sound Quality mode Then the system beeps one time and displays AUDIO You cannot return to Dialogue m...

Страница 33: ...ment mode Displaying AUDIO Displaying P1 XXX FM1 2 Displaying P2 XXX FM1 2 Displaying L XX FM1 2 FM1 2 Displaying F XX Displaying R XX Displaying W XX TAPE TAPE TAPE TAPE Frequency characteristics adjustment function Level adjustment function Sound Quality Service mode ...

Страница 34: ...hin a range from 0 to 20 dB at increments of 1 dB Attenuation value is shown in two digits from 00 to 20 20 20 dB Initial value is 00 no setting 2 level adjustment function The system changes submodes cyclically every time the TAPE button is pressed when AUDIO is displayed Set front t Set rear t Set woofer t AUDIO Set front The system displays F and level value Use the UP DOWN button to change lev...

Результаты поиска

Содержание CRT2242

Отзывы:

Похожие инструкции для CRT2242

Бренды по названию

Популярные бренды

Toyota CRT2242, Руководство по обслуживанию

Результаты поиска

Содержание CRT2242

Отзывы:

Похожие инструкции для CRT2242

Бренды по названию

Популярные бренды