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SERVICE MANUAL MODEL: AX6392N(OIRT)
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CHAPTER 1. 1.1 1.2 1.2.1 1.2.2 1.2.3 1.2.4 2 2. 1 2. 2 2. 3 2. 4 3 3. 1 3.1.1 3.1.2 3.1.3 3.1.4 3.1.5 3.1.6 3. 2 3.2.1 3.2.2 3.2.3 3.2.4 3.2.5 3.2.6 3. 3 3.3.1 3.3.2 3.3.3 3.3.4 4 4 .1 TITLE MEASURMENT GUIDELINE AND DATA MEASURMENT CONDITION MEASURMENT DATA FM SECTION FM(OIRT BAND) SECTION AM SECTION CD SECTION SCHEMATIC DIAGRAM MB SECTION DECODE SECTION KEY BOARD SECTION CD SECTION PCB DIAGRAM MAIN BOARD TOP SILKSCREEN BOTTOM SILKSCERRN LAYER TOP SOLDER MASK LAYEY BOTTOM SOLDER MASK LAYER TOP ROUTING LAYER BOTTOM ROUTING LAYER KEY BOARD SECTION TOP SILKSCREEN LAYER BOTTOM SILKSCERRN LAYER TOP SOLDER MASK LAYER BOTTOM SOLDER MASK LAYER TOP ROUTING LAYER BOTTOM ROUTING LAYER CD SECTION TOP SILKSCREEN LAYER BOTTOM SILKSCREEN LAYER BOTTOM PAD LAYER BOTTOM ROUTE LAYE STRUCTURE DIAGRAM MAIN UNIT PAGE NO. 3 4 5 6 7 8 9 10 11
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1 MEASURMENT GUIDELINE AND DATA 1.1 MEASURMENT CONDITION DESCRIPTION: FM/AM CD/MP3 Player Standard USB Connector with built-in host controller and SD/MMC card slot USB MP3/enconding RCA Output Power: 4X40W MEASUREMENT CONDITION: 1. SUPPLY 2. LOADING 3. S.T.O.
4. dBu =EMF dBu
V 14.4 4 1 W
REVISION REVISION DETAILS NO. DATE
1.2 MEASURMENT DATA 1.2.1 FM SECTION (FM STEREO 1KHz 75KHz DEV. L+R=90% PILOT=10%)
1 2 3 4 5 6 7 8 ITEM SEPERATION @1mV INPUT STEREO INDICATOR ON SENSITIVITY AUTO SEEK SENS.(STEREO 75KHz DEV) S/N RATIO @1mV INPUT (W/FILTER) SNC SEPERATION (AT 20dB) SNC SEPERATION (AT 3dB) 10% T.H.D OUTPUT POWER MAX. OUTPUT POWER SNC R/L UNIT dB dBuV dB dBuV dB uV W W NOMAL 30 10 23 55 48 20 23 40 LIMIT 25 <15 18-28 50 45-52 35 20 >35
98.1MHz dBuV 98.1MHz 98.1MHz 98.1MHz 98.1MHz 98.1MHz 98.1MHz
(FM MON. 1KHz 22.5KHz DEV.)
1 ITEM FREQUENCY RANGE LOW HIGH UNIT MHz MHz NOMAL 87.5 108(ERU) 107.9(USA) 10.7 4 4 4 4 4 4 5 55 60 50 45 30 30 13K 0.5 1 23 40 22 20 ±1 LIMIT
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INTERMEDIATE FREQUENCY USABLE SENSITIVITY (S/N:30dB)
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I.H.F. SENSITIVITY (75KHz DVE 3% T.H.D.)
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-3 dB LIMITING SENSITIVITY S/N RATIO (@1mV INPUT) I. F. REJECTION IMAGE REJECTION RATIO AM SUPPRESSION SELECTIVITY+/-200KHz (@1mV INPUT) FIDELITY-6dB (@1mV INPUT) (PRE-EMPHASIS ON 50U SEC.) T.H.D. @REFERENCE OUTPUT (@1mV INPUT) OVERLOAD DISTORTION (75KHz 1mV INPUT) 10% T.H.D. OUTPUT POWER (75KHz) MAX. OUTPUT POWER (75KHz) AUTO SEEK SENS.(MONO 22.5KHz DVE) LO/DX EFFECT CLOCK TOLERANCE PER DAY(25±3)
MHz 90.1MHz uV 98.1MHz uV 106.1MHz uV 90.1MHz uV 98.1MHz uV 106.1MHz uV 98.1MHz uV 98.1MHz dB 90.1MHz dB 106.1MHz dB 90.1MHz dB 98.1MHz dB 98.1MHz LOW dB HIGH 98.1MHz % 98.1MHz % 98.1MHz W 98.1MHz W 98.1MHz dBuV 98.1MHz dB SEC
±30KHz 8 8 8 8 8 8 <10 50 50 40 35 20 <80 >10 1.5 2 20 35 18-28 ±5 ±3
1.2.2 FM(OIRT BAND) SECTION (FM STEREO 1KHz 75KHz DEV. L+R=90% PILOT=10%)
1 2 3 4 5 6 7 8 ITEM SEPERATION @1mV INPUT STEREO INDICATOR ON SENSITIVITY AUTO SEEK SENS.(STEREO 75KHz DEV) S/N RATIO @1mV INPUT (W/FILTER) SNC SEPERATION (AT 20dB) SNC SEPERATION (AT 3dB) 10% T.H.D OUTPUT POWER MAX. OUTPUT POWER SNC R/L UNIT dB dBuV dB dBuV dB uV W W NOMAL 30 10 23 55 48 20 23 40 LIMIT 25 <15 18-28 50 45-52 35 20 >35
70.4MHz dBuV 70.4MHz 70.4MHz 70.4MHz 70.4MHz 70.4MHz 70.4MHz
(FM MON. 1KHz 22.5KHz DEV.)
1 2 3 ITEM FREQUENCY RANGE INTERMEDIATE FREQUENCY USABLE SENSITIVITY (S/N:30dB) UNIT MHz MHz MHz 67.1MHz uV 70.4MHz uV 72.5MHz uV 67.1MHz uV 70.4MHz uV 72.5MHz uV 70.4MHz uV 70.4MHz dB 67.1MHz dB 72.5MHz dB 70.4MHz dB 70.4MHz dB 70.4MHz LOW dB HIGH 70.4MHz % 70.4MHz % 70.4MHz W 70.4MHz W LOW HIGH 70.4MHz dBuV 70.4MHz dB NOMAL 65.0 74.0 10.7 4 4 4 4 4 4 5 55 60 40 45 30 30 13K 0.5 1 23 40 22 20 LIMIT
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I.H.F. SENSITIVITY (75KHz DVE 3% T.H.D.)
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-3 dB LIMITING SENSITIVITY S/N RATIO (@1mV INPUT) I. F. REJECTION IMAGE REJECTION RATIO AM SUPPRESSION SELECTIVITY+/-200KHz (@1mV INPUT) FIDELITY-6dB (@1mV INPUT) (PRE-EMPHASIS ON 50U SEC.) T.H.D. @REFERENCE OUTPUT (@1mV INPUT) OVERLOAD DISTORTION (75KHz 1mV INPUT) 10% T.H.D. OUTPUT POWER (75KHz) MAX. OUTPUT POWER (75KHz) AUTO SEEK SENS.(MONO 22.5KHz DVE) LO/DX EFFECT
±30KHz 8 8 8 10 10 10 10 50 50 30 35 20 <80 >10 1.5 2 20 35 18-28 ±5
1.2.3 AM SECTION
MW 400Hz 30% MOD. ITEM 1 FREQUENCY RANGE LOW HIGH 2 3 INTERMEDIATE FREQUENCY MAX. SENSITIVITY 600KHz 1000KHz 1400KHz 4 USABLE SENSITIVITY(S/N:20dB) 600KHz 1000KHz 1400KHz 5 6 7 8 9 10 11 12 13 14 15 16 S/N RATIO (@5mV INPUT) I. F. REJECTION IMAGE REJECTION SELECTIVITY SENSITIVITY (+/-10KHz) -6dB BANDWIDTH FIDELITY 6dB (@1mV INPUT) T.H.D.@ REF. OUTPUT OVERLOAD DISTORTION (@80% MOD. 100mV INPUT) 10% T.H.D. OUTPUT POWER (@30%MOD 5mV INPUT) MAX. OUTPUT POWER (@80%MOD 5mV INPUT) WHISTLE MODULATION (@5mV INPUT) 17 18 15 AUTO SEEK SENS. LO/DX EFFECT RCA OUT (MAX. VOL LOAD 10K ) (FM 22.5KHZ DVE 1mV) 1000KHz dB 1000KHz 1000KHz LEVEL
DISTORTION
UNIT KHz KHz KHz uV uV uV uV uV uV dB dB dB dB dB Hz KHz % %
W W
NOMAL 522(EUR) 530(USA) 1620(EUR) 1710(USA) 450 18 18 18 31 31 31 40 55 55 30 8 50 50 2 0.5 1.0 23 40 2IF 3IF 40 35 35 18 700 1
LIMIT
±3 30 30 30 63 63 63 35 45 45 20 4-12 40 <100 1.8 1.5 3 20 >35 30 45 30-42 >10 >600 2
1000KHz 600KHz 1400KHz 1000KHz 1000KHz LOW HIGH 1000KHz 1000KHz 1000KHz 1000KHz
@MAX SENSITIVITY
1000KHz KHz
AGC F.O.M. (@5mV INPUT)
dBuV dB mV %
1.2.4 CD SECTION
ITEM 1 2 S/N RATIO CHANNEL SEPARATION (TCD-782) (TCD-782) TNO.2/8 UNIT dB dB NOMAL 65 50 50 0.5 23 40 10 2 0 0 0 0 dB dB dB dB dB dB dB dB dB dB mA V Interruption Black dots Finger prints mm mm um 0 0 0 0 8 10 1.0 0.8 75 0 ±3 ±3 ±3 15 11 0.8 0.6 65 10 10 10 10 10 LIMIT 55 40 40 1.0 20 35 20 3 ±2 ±3 0 ±3 >6 >6 >6 >6 >6
TNO.9 1KHz
TNO.11 1KHz dB 3 4 5 6 7 8 9 T.H.D @REF. OUTPUT 10% T.H. OUTPUT POWER MAXIMUM OUTPUT POWER MAXIMUM VOLUME NOISE MINIMUM VOLUME NOISE CHANNEL BALANCE L/R FREQUENCY RESPONSE (TCD-782) (TCD-782) (TCD-782) (TCD-782) (TCD-782) (TCD-782) (TCD-782) TNO.2 1KHz TNO.2 1KHz TNO.2 1KHz TNO.8 TNO.8 TNO.2 1KHz % W W mV mV dB
TNO.15 100Hz dB TNO.16 1KHz dB
TNO.17 10KHz dB 10 BASS/TREBALEEFFECT
BASS 100Hz TRE 10KHz
UP DN UP DN H H
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LOUDNESS EFFECT (AT S.T.O 20 dB)
100Hz 10KHz FM CD AM AUX
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GAIN BAL.(FM :22.5KHz DVE 1mV IN) (CD:MCM80-815 TNO.30 -10 dB) (AM:30% MOD 5mV IN) (AUX IN 100mV)
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BACK-UP CURRENT (IGNITION OFF) MIN.OPERATING VOLTAGE SKIP TEST (PHILIPS SBC-444A)
2 SCHEMATIC DIAGRAM 2.1MB SECTION
2.2 DECODE SECTION
2.3 KEY BOARD SECTION
2.4CD SECTION
3 PCB DIAGRAM 3.1 MAIN BOARD 3.1.1 TOP SILKSCREEN
3.1.2 BOTTOM SILKSCERRN LAYER
3.2 KEY BOARD SECTION 3.2.1 TOP SILKSCREEN LAYER
3.2.2 BOTTOM SILKSCERRN LAYER
3.3 CD SECTION 3.3.1 TOP SILKSCREEN LAYER
3.3.2 BOTTOM SILKSCREEN LAYER
4 STRUCTURE DIAGRAM 4.1 MAIN UNIT