YZ(S) SERVICE MANUAL STEREO STEREO BASIC MECHANISM BZG-3 Thi
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CDC-R227
YZ(S)
SERVICE MANUAL
STEREO STEREO BASIC MECHANISM BZG-3 This service Manual Revision Publishing replaces Simple Manual CDC-R227 <YZ(S)> (S/M Code No.09-026-458-8T1)
Code 09-026-458-8R1
TABLE CONTENTS -1/1
SPECIFICATIONS PROTECTION EYES FROM LASER BEAM DURING SERVICING PRACAUTION REPLACE OPTICAL BLOCK (OPTIMA720 JVC) CAUTION WHEN SERVICING ACCESSORIES PARTS LIST ELECTRICAL PARTS LIST TRANSISTOR ILLUSTRATION SCHEMATIC DIAGRAM (MAIN) WIRING (MAIN) SCHEMATIC DIAGRAM (FRONT AUX) WIRING (FRONT AUX) 22,23 SCHEMATIC DIAGRAM FLEX WIRING (CD) 25,26 WIRING (FLEX VOLTAGE CHART DIAGRAM (CKC-A-G-H) 32,33 BLOCK DIAGRAM DESCRIPTION MECHANICAL EXPLODED VIEW MECHANICAL PARTS LIST COLOR NAME TABLE MECHANISM EXPLODED VIEW (BZG-3 CNF) MECHANISM PARTS LIST (BZG-3 CNF) 47,48 OTHER PARTS LIST (CDC-R227) OTHER PARTS LIST (BZG-3 CNF)
SPECIFICATIONS -1/1
RADIO SECTION
(FM) Frequency Range: 87.5 Usable Sensitivity: 12.7 Quieting Sensitivity: 17.2 Rejection: Frequency Response: 15,000 Ratio: Stereo Separation: Alternate Channel Selectivity: Capture Ratio: (MW) Frequency Range: 1,602 Usable Sensitivity: (LW) Frequency Range: (1-kHz/9-kHz setps) Usable Sensitivity: Design specifications subject change without notice.
AUDIO SECTION
Max. Power Output: channels
input
Input Sensitivity (load impedance) AUX: kohm)
GENERAL
Power-Supply Voltage: 14.4 allowable), negative ground Load Impedance: Tone Control: Bass Treble Preamp Output Voltage (load impedance): kohm) Installed Size: Supplied Accessory:Carrying case(1)
SECTION
Frequency Response: +0/-3 Dynamic Range: More than Channel Separation: More than Ratio: More than Wow/Flutter: Unmeasurable
PROTECTION EYES FROM LASER BEAM DURING SERVICING -1/1
PRECAUTION REPLACE OPTICAL BLOCK -1/1 (OPTIMA720 JVC)
Body clothes electrostatic potential could ruin laser diode optical block. sure ground body workbench, care clothes touch diode. After connection, remove solder shown right figure.
Solder
CAUTION WHEN SERVICING -1/1
Procedure Disassembly
Remove COVER COVER BOTTOM. Remove screws (indicated with arrows) from MECHANISM. Refer Fig.
Fig-1
Servicing Position
Remove MECHANISM check movement while stable condition. Refer Fig-2
Fig-2
ACCESSORIES PARTS LIST -1/1
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
ELECTRICAL PARTS LIST -1/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
ELECTRICAL PARTS LIST -2/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
ELECTRICAL PARTS LIST -3/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-10-
ELECTRICAL PARTS LIST -4/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-11-
ELECTRICAL PARTS LIST -5/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-12-
ELECTRICAL PARTS LIST -6/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-13-
ELECTRICAL PARTS LIST -7/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-14-
ELECTRICAL PARTS LIST -8/10
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-15-
ELECTRICAL PARTS LIST -9/10 (BZG-3 CNF) -1/1
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-16-
ELECTRICAL PARTS LIST -10/10
-17-
TRANSISTOR ILLUSTRATION -1/1
2SB1375 DTA124EKA
2SD18
-18-
SCHEMATIC DIAGRAM -1/3 (MAIN)
MAIN
-19-
WIRING -1/4 (MAIN)
MAIN
-20-
SCHEMATIC DIAGRAM -2/3 (FRONT/AUX)
FRONT
-21-
WIRING -2/4 (FRONT/AUX) -1/2
-22-
WIRING -2/4 (FRONT/AUX) -2/2
-23-
SCHEMATIC DIAGRAM -3/3 (CD)
FLEX
-24-
WIRING -3/4 (CD) -1/2
-25-
WIRING -3/4 (CD) -2/2
-26-
WIRING -4/4 (FLEX/SW) -1/1
-27-
VOLTAGE CHART -1/4
-28-
VOLTAGE CHART -2/4
-29-
VOLTAGE CHART -3/4
-30-
VOLTAGE CHART -4/4
-31-
DIAGRAM -1/2 (CKC-A)
<SEGMENT>
<COMMON>
-32-
DIAGRAM -2/2 (CKC-A)
<WIRING TABLE>
<CHARACTER>
-33-
BLOCK DIAGRAM -1/4 IC151,SAA6579T
IC401,LC75374E
-34-
BLOCK DIAGRAM -2/4 IC501,LA4743J
-35-
BLOCK DIAGRAM -3/4 IC221,TA2153FN
-36-
BLOCK DIAGRAM -4/4 IC601,LC75854W
IC201,LA6557H
-37-
DESCRIPTION -1/2 (UPD178078GF-566-3BA) -1/3
Name BATT DISP CONNECT E-VOL E-VOL E-VOL LOC/DX DSSA PHONE MUTE LEVEL-M A-VOL CONT TEST AM/FM X-OUT X-IN BATT ON/OFF input Detects whether (front panel) provided not. data input Open when used. data output. clock output. output. select output. Open when used. Data input from CDS. Data output CDS. Clock input from CDS. Data input from changer. Pulled down when used. Data output changer. Open when used. Clock input from changer. Open when used. Determines timing with which data transferred head unit. Open when used. changer connection check. Pulled down when used. select output. Open when used. Clock output changer. Open when used. Clock output electronic Data putput electronic output electronic LOC/DX switching output during radio seek (LOC: "H", "L"). Open when used. Outputs only when DSSA operating. Muting control input -20dB. Mute: "L". Level meter signal input Detects microphone input auto volume operation. Pulled down when used. Power supply Only used model signal input during operation meter signal input Ground power regulator Power supply port Regulator oscillator circuit System clock oscillator System clock oscillator Ground port Output request count signal. Ground count signal input Description
-38-
DESCRIPTION -1/2 (UPD178078GF-566-3BA) -2/3
Name RESET IND/SD ST-BY MUTE POWER CONT BEEP BAND CONT CONT MODE POWER MUTE CONT CONT MUTE MI-1 MI-2 MI-3 MO-1 MO-2 MO-3 MO-4 EJECT S-REQ DISC EJECT Singnal Input S-REQ SIGNAL INPUT. Rotary encoder input Rotary encoder input Ground Diode matrix output initial setting Diode matrix input initial setting count signal input Power supply local oscillation input local oscillation input Ground Error output from charge pump (for Error output from charge pump (for System reset input clock input Pulled down when used. ACC(accessory power supply) on/off input Remote control input. Pulled when used Stop pulse input during FM/AM seek. Standby/muting output power Unit power control output data input. Pulled down when used. Beep output (3kHz, 50ms) AM/FM power switching output "H", Transmits power on/off status head unit changer. Open when used. Outputs during operation. Open when used. Muting output power power control power control Audio muting output Description
-39-
DESCRIPTION -1/2 (UPD178078GF-566-3BA) -3/3
Name PANCON1 FLAP CONT SEN1 SEN2 RESET SLEEP STOP RADIO CONT PORT LOAD/EJECT GAIN Switching Output. Disc Detect Switch. Disc Detect Switch. Disc Detect Switch. (Disc NOT) Pulled down Pulled down Pulled down PICK INSIDE Detect Switch. RESET Signal output. SLEEP Signal Output. Signal Output. Pulled down Radio ON/OFF. Power switching output. Radio Description
-40-
DESCRIPTION -2/2 (TC94A09F-301) -1/2
1-14 15-18 34-36 39-42 Name S1-S14 P8-0-P8-3 MVDD1 MVSS1 P1-0 P1-1 P1-2 P3-2 P3-3 P4-0 DATA-IN DATA-OUT CLOCK P2-0 P2-1-P2-3 TESTC OT19-OT22 DOUT SBSY SBOK P2VREF TMAX LPFN LPFO PVREF VCOF AVSS SLCO AVDD RFCT RFZI RFRP connection (Open) connection (Open) Power supply port BZG-3 Mecha Inside input port. detect input detect input detect input output signal FEED MOTER GAIN output connection (Open) M-DRIV MUTE output connection (Open) DATA INPUT DATA OUTPUT CLOCK INPUT CD-DA/RW GAIN SWITCHIN OUTPUT connection (Open) connection (Open) connection (Open) connection (Open) connection (Open) connection (Open) VREF PLCK difference error signal output TMAX DETECT output PASS filter reverse input PASS filter output VREF FILTER OUTPUT ANALOG DATA SLICE LEVEL Output SIGNAL Input ANALOG RFRP SIGNAL CENTER LEVEL INPUT RFRP ZEROCROSS INPUT RIPPLE SIGNAL INPUT FOCUS ERROR SIGNAL INPUT Description
-41-
DESCRIPTION -2/2 (TC94A09F-301) -2/2
97-100 Name SBAD TEZI VREF RFGC TEBC 2VREF VDD2 VSS2 XVSS XVDD DVSR DVRR DVDD DVRL DVSL TESVPP RESET HOLD MVSS2 MVDD2 COM1-COM4 Description BEAM INCLUDE SIGNAL INPUT TRACKING ERROR INPUT TRACKING ERROR ZERO CROSS INPUT FOCUS EQUALIZER OUTPUT TRACKING EQUALIZER OUTPUT ANALOG Reference AMPLITUDE CONTROL SIGNAL OUTPUT TRACKING BALANCE CONTROL SIGNAL OUTPUT FOCUS EQUALIZER OUTPUT DISC EQUALIZER OUTPUT ANALOG Reference CIRCUIT ON/OFF SIGNAL OUTPUT Xtal XTAL INPUT XTAL OUTPUT XTAL CONVERTER DATA OUTPUT Reference CONVERTER Reference DATA OUTPUT CONVERTER RESET SIGNAL INPUT Pulled COMMUMNICATION CONTROL INPUT connection (Open) PULL DOWN connection (Open)
-42-
MECHANICAL EXPLODED VIEW -1/1
-43-
MECHANICAL PARTS LIST -1/1
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-44-
COLOR NAME TABLE -1/1
Basic color symbol Color Basic color symbol Black Green Transparent Blue Brown Transparent White Metallic Blue Dark Blue Metallic Yellow Aqua Blue Metallic Gray Color Cream Gray Gold Silver Violet Yellow Light Blue Transparent Orange Metallic Orange Light Green Champagne Gold Basic color symbol Color Orange Blue Pink Titan Silver White Transparent Yellow Transparent Green Metallic Green Transparent Pink Transparent Gray Wood Pattern
-45-
MECHANISM EXPLODED VIEW -1/1 (BZG-3 CNF)
-46-
MECHANICAL PARTS LIST -1/2 (BZG-3 CNF)
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-47-
MECHANICAL PARTS LIST -2/2 (BZG-3 CNF)
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-48-
OTHERS PARTS LIST -1/2 (CDC-R227) -1/1
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-49-
OTHERS PARTS LIST -2/2 (BZG-3 CNF) -1/1
SAFTY PARTS Components marked components used this model production line shown this service manual. However, please note that components will available spare parts after-sales service. Components marked designated spare parts service will stocked spare parts centers. Components marked designated spare parts after sales service, will stocked spare parts centers.
UNIT-NAME
REF-NO PARTS-NO
PARTS-NAME
SUFFIX&MODEL
-50-
2-11, IKENOHATA 1-CHOME, TAITO-KU, TOKYO 110-8710, JAPAN TEL:03 (3827) 3111
0251431
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