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XR-5880R/5890R
SERVICE MANUAL
AEP Model UK Model
Photo: XR-5890R
Model Name Using Similar Mechanism Tape Transport Mechanism Type
XR-C6100R MG-25G-136
SPECIFICATIONS
FM/MW/LW CASSETTE CAR STEREO
MICROFILM
XR-5880R/5890R
6-2. SCHEMATIC DIAGRAM -- MAIN (1/2) SECTION -- · Refer to page 29 for IC Block Diagrams.
· Waveforms
1
5.4Vp-p
32.8KHz
IC501 &£
2
5.6Vp-p
3.68MHz
IC501 (£
3
5.4Vp-p
4.332MHz
IC51 4
Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ˘ · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM f : AM (MW) E : TAPE PLAYBACK · Abbreviation G : German model.
(Page 23, 24)
21
22
XR-5880R/5890R
6-3. SCHEMATIC DIAGRAM -- MAIN (2/2) SECTION -- · Refer to page 29 for IC Block Diagrams.
(Page 21, 22)
(REMOTE IN)
(Page 27)
Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ˘ · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords. · Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances. · Circled numbers refer to waveforms. · Signal path. F : FM f : AM (MW) E : TAPE PLAYBACK · Abbreviation G : German model.
23
24
6-5. SCHEMATIC DIAGRAM -- PANEL SECTION --
XR-5880R/5890R
(Page 23)
Note on Schematic Diagram: · All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. · All resistors are in and 1/4 W or less unless otherwise specified. ˘ · : internal component. · C : panel designation. · U : B+ Line. · Power voltage is dc 14.4V and fed with regulated dc power supply from ACC and BATT cords.
· Voltage and waveforms are dc with respect to ground under no-signal conditions. no mark : FM < > : TAPE PLAYBACK : Impossible to measure · Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. · Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production tolerances.
· Circled numbers refer to waveforms. · Signal path. F : FM f : AM (MW) E : TAPE PLAYBACK · Abbreviation G : German model.
27
28
· IC Block Diagrams MAIN Board
IC1
TB2118F (EL)
AM CP OUT FM CP OUT
IC90
D-GND
BA4558F
IC51
LVIN
SAA6588T-118
SCOUT MPX MAD PSWN 12 11 PAUSE DETECTOR VSSA VDDA VREF CIN AFIN 13 IIC BUS SLAVE TRANSCEIVER 9 SDA 10 SCL
A-GND
AM IN
FM IN
VDD
REG
VCC
OUT1 1 IFC 1CH IN1 2 2CH
8 VCC
VT
XI
20
19
18
17
16
15
14
24 23
22 21
20
19
18
17 AMP
16 15 14 13
7 OUT2
MULTI PATH DETECTOR POWER SUPPLY & RESET 57kHz 8th ORDER BAND-PASS FILTER SIGNAL QUALITY DECODER 4 5 4 CLOCK INTERFACE REGISTER DATA TEST CONTROL OSCILLATOR & CLOCK DATA
+
VCC 4BIT SWALLOW COUNTER SEEK/RECP PRESCALLER 12BIT PROGRAMMABLE COUNTER + + REGULATOR SEEK/RECP
REF
VDD AMP
+IN1 3
6
IN2
AMP
VEE 4
5
+IN2
CLOCKED COMPARATOR
+
IC361 LB1638M
RDS/RDBS DEMODULATOR RDS/RDBS DECODER
CLOCK
PHASE COMPARATOR
SIG
20BIT IF COUNTER 40BIT SHIFT REGISTER
GND 1
10 N.C.
IN1 2
CONTROL LOGIC
OSCILLATOR
REFERENCE DIVIDER
9 OUT1
1 2 MRO MPTH 3 TCON 4 OSCO 5 OSCI 6 VSSD 7 VDDD 8 DAVN
18BIT ON/OFF BUFFER SERIAL INTERFACE 18BIT
22BIT
VCC 3 IN2 4
8 VS 7 OUT2
I/O PORT
OUTPUT PORT
VDD2
GND 5
6 N.C.
IC301
CXA2509AQ-T4
LINEOUT2 TAPEIN2 PBOUT2 AUXIN2 PBEQ2 MSSW
1
XO
2
OSC
3 4 5 6
CE DIN CK DOUT
7
SR
8
I/O-1
9
I/O-2
10 11
OUT-1 OUT-2
12
VDD2
DIREF
GND
NC
24dB
30
29
28 27
26
25
24
23 22 21
IC401
TDA7462D
120µ/70µ T2 +
28 27 26 25 24 23 SE3L SE3R MUTE SDA SCL PAUSE
+ 20 MSMODE NR BIAS
NC
PBFB2 31 PBRIN2 32 PBREF2 33 PBFIN2 34 F2
X1 TAPE/AUX TAPE EQ FWD/RVS
MS MODE
19 DRSW 18 TAPESW 17 INSW 16 NC
PAUSE DETECT INPUT GAIN & AUTO ZERO TREBLE/ BASS CONTROL CIRCUIT FRONT FADER
REAR SIDE SELECTOR
20 OUT RL
T1 120µ/70µ
INPUT GAIN
LOUDNESS CONTROL CIRCUIT
REAR FADER
19 OUT RR
1
2
3
4 5
6
TAPEIN1 AUXIN1
LINEOUT1
PBOUT1
MSLPF
PBEQ1
BEEP
SUBWOOFER LP
FADER 18 SUBOUT+ 17 SUBOUT SDA
SUBWOOFER OUT IIC BUS
DIGITAL CONTROL CIRCUIT
SCL 16 VDD 15 GND
CREF 14
POWER SUPPLY
29
G2FB
VCC
NC
NC
+
REAR FADER
+
SE1L SE1R MD+ MD CDL+ CDL CDR CDR+ PDR PDGND PDL SE2L SE2R
1 2 3 4 5 6 7 8 9 10 11 12 13
FRONT SIDE SELECTOR
LOUDNESS CONTROL CIRCUIT
VOLUME CONTROL CIRCUIT
SOFT MUTE
VOICE BANDPASS HP LP
22 OUT FL
VCT 35 PBGND 36
VCT + LPF
VCC + F3 X1
MS ON/ 15 NC OFF DETECT 14 MSOUT
INPUT MULTIPLEXER & MIXING STAGE
FRONT FADER COMPANDER
PBFIN1 37
21 OUT FR
PBREF1 38 PBRIN1 39 PBFB1 40
F1
13 DGND
12 MSTC 11 G1FB
24dB 7 8 9 10
30
1 2 3 4 +
IC671
IC611
NC MODE2 MODE1 STB
TDA7385
BA3918-V3
5 6 7 8 9 + + 10 11 REGULATOR OVER VOLTAGE PROTECT
VDD AMP VCC ANT COM
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
AM
TAB PW-GND OUT2 ST-BY OUT2+ Vcc1 OUT1 PW-GND1 OUT1+ SVR IN1 IN2 S-GND IN4 IN3 AC-GND OUT3+ PW-GND3 OUT3 Vcc2 OUT4+ MUTE OUT4 PW-GND4 DIAGNOSTICS OUT
GND
+
31
FM 12
6-6. IC PIN FUNCTION DESCRIPTION
· IC501 MASTER U-COM (MB90574PFV-G-177-BND) Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 to 23 24 25 26 27 28 29 30 to 31 32 33 34 35 36 37 38 39 40, 41 42 43 44 45 46 47 48 49 50 51 52 53 Pin Name SEKOUT AFSEEK ST IND TUMUTE FM ON TU ON VCC BUSON SYSRST DOORSW LCDSO LCDCKO BEEP LCDCE UNISI UNISO UNICKI SD IN SIRCS PLLSI PLLSO PLLCKO PLLCE ILL ON NOISE ON VSS C AD ON RE IN0 RE IN1 DVcc DVss AVcc AVRH AVRL AVss KEYIN0 KEYIN1 RC INO DSTSEL NOISE DET D BASS MTP VSM I/O O O I/O O O O O O I O O O O I O I I I I O O O O O O I I I I I I I I I I Function Seek out AF seek Not used Stereo display input and control MONO output Tuner mute output FM_ON output TUNER_ON output Power supply terminal +5V Not used Bus ON control output SYSTEM RESET output Door OPEN/CLOSE detection input LCD serial data output LCD serial clock output BEEP output LCD chip enable output BUS serial data input BUS serial data output BUS serial clock input Signal detection input Not used Remote commander (infrared) input PLL data input PLL data output PLL clock output PLL chip enable output Illumination power control output Not used NOISE DET discharge control output Ground Capacity connection terminal for power supply stabilization AD conversion power supply control output Rotary encoder input 0 Rotary encoder input 1 Power supply input for D/A Ground for D/A Not used Power supply input for analog A/D converter VRef + input A/D converter VRef input Ground for analog KEY input 0 KEY input 1 Rotary commander input Destination setting NOISE DET, Noise level input for SEEK D_BASS KEY input Tuner multipath input S_meter voltage detection input
32
Pin No. 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 to 85 86 87 88 89 90 91 92 93 94 95 to 99 100 101 102 103 104 105 106 107 108 109 110 111
Pin Name Vcc RAMBU PW SEL TESTIN DOORIND COLOR SW COLER SEL VSS MUTE COSTOM FILE CD-TEXT AMPMUT FLASH W I2C SIO I2O CKO RC IN1 X1A X0A DAVN KEYACK BU IN ILLIN TELATT NOSESW ACCIN HSTX MD2 MD1 MD0 RSTX Vss X0 X1 Vcc 9K/10K AMTLIN AMSIN REEL POS0 POS1 POS2 POS3 LM EJ LM LD CM ON
I/O I I I O I I O I I O I I/O O I I I I I I I I I I I I I I I I I O O O
Function Power supply terminal +5V RAM reset detection input (Non RDS) Power select initial setting input Not used Test mode detection input Not used Not used Color switching, L:2 color, H:Single color Color selection, L:AMBER, H:GREEN Ground Not used System mute output terminal Custom file, L:Non, H:Yes CD text, L:Non, H:Yes Power amplifier mute control output terminal Flash memory writing mode detection input Electronic Vol & RDS serial data input/output Electronic Vol & RDS serial clock output Rotary commander input Low speed oscillator connection terminal (32.768 KHz) Low speed oscillator connection terminal (32.768 KHz) RDS signal quality detection input Keyack knowledge input Backup detection input terminal ILLIN signal detection input terminal (VAG only) Telephone ATT detection input Front panel detachment/attachment detection input terminal ACC detection input terminal Not used Hardware standby input terminal To Vss To Vcc To Vcc Microprocessor reset input terminal Ground High speed oscillator connection terminal ( MHz) High speed oscillator connection terminal ( MHz) To Vcc Not used 9K/10K step switching detection terminal Not used Auto metal detection terminal Song presence/absence detection input during AMS Reel rotation detection input Position signal detection input 0 Position signal detection input 1 Position signal detection input 2 Position signal detection input 3 Loading motor control output (EJECT) Loading motor control output (LOAD) Tape capstan motor control output
33
Pin No. 112 113 114 115 116 117 118 119 120
Pin Name TAPEON N ROUT AMSON MTLON DOLON TAPMUT AMPON Vss PW ON
I/O O O O I/O I/O O O O
Function TAPE power supply control output FOR/REV control output AMS control output Metal control input/output DOLBY control input/output Audio signal selection control output terminal Power IC standby control output Ground System power supply control output
34