Philips-AZ1010-gb-sm 电路图 维修手册.pdf

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1、Published by MS 9741 Service Audio Printed in The Netherlands Subject to modification chapter Technical Specification.2-1 Measurement setup.2-2 Controls f=88.2kHz 3LOCKnot connectedLock monitor / low disc rotation output 4CKSEL-System clock selection. Low=8.4672MHz, high=16.9344MHz 5RESETP Signal pr

2、ocessorSystem reset ( low level = active ) 6C423Signal processor P4.2336MHz clock output 7C846not connected8.4672MHz clock output 8XIX-Tal Signal processorCrystal oscillator input 9DVSS-Digital system ground 10XOSignal processor X-TalCrystal oscillator output 11TEST-Normal / Test selection input. Te

3、stmode = high 12SBCOnot connectedSubcode serial output 13SCCK-Shift clock input for subcode data read 14SYCLKnot connectedFrame lock status output. Lock = high 15EFFKnot connectedEFM frame clock output. Duty = 50% 16KILLBnot connectedDigital silence mute output. Digital zero = low 17EST1not connecte

4、dError monitor output 1 18EST2not connectedError monitor output 2 19HFServo processor Signal processorHF signal input 20TLC-Slice level control signal output 21LPF-PLL loop filter 22Dig.VDD-Digital interface power supply 23DSPS-Digital system power supply 24SBQSnot connectedInterrupt signal to read

5、out subcode Q data. Read = low 25CRCFnot connectedSubcode Q-channel Cyclic Redundance Check Flag output. CRC o.k.=high level 26SCANDnot connectedSubcode sync signal detection. Sync = high 27PWMSignal processor Motor driverDisc motor driving ( Pulse Width Modulation ) output 28DVDD2-Digital interface

6、 power supply 2 29DVSS2-Digital system ground2 30MCKP Signal processorP interface shift Clock input 31MSDP Signal processorP interface Serial Data I/O line 32MLABP Signal processorP interface Latch clock input ( internal 22k pull up resistor ) 33EXP1 Signal processorVersatile input pin ( internal 4.

7、7k pull up resistor ) 34EXP2 Signal processorVersatile input pin ( internal 4.7k pull up resistor ) 35CGREF Signal processorCharge-pump for LPF reference current input 36AMPREFnot connectedOp-amp for LPF reference voltage setting 37LOUT/DOSignal processor Audio signal output (left channel) / Ext. DA

8、C mode: Audio serial data output 38LNEGnot connectedCharge pump output (left channel) / Ext. DAC mode: Wordclock output 39ROUT/DSCKSignal processor Audio signal output (right channel) / Ext. DAC mode: Data shift clock output 40RNEG/LRCKSignal processor Charge pump output (right channel) / Ext. DAC m

9、ode: L/R clock output 41IREF-Current reference 42Anal. VDD-Analog System power supply Pin-descriptions of CD ICs 3-103-10 STOP button pressed in any step returns to begin of Service Testprogram. NEXT button pressed? STOP button pressed? N N Y Y Y Y N Display shows all segments and flags for checking

10、 open circuits. see figure 1 Display shows figure 2. All alternate pins (2, 4, .) of the display are activated for checking shortcircuits. DISPLAY TESTCD SERVO TEST Display shows version number of the P - software. PLAY button pressed? Display shows PLAY button pressed? NEXT button pressed? PREV. bu

11、tton pressed? MODE button pressed? Slide moves outside as long as button is hold depressed. To check Focus over the whole disc area Slide - and Discmotor can also be activated in FOCUS - test. Slide moves inside as long as button is hold depressed or until inner-switch is activated. Disc motor turns

12、 clockwise as long as button is hold depressed. (accelerate ) NEXT button pressed? Y YYY NNNN FOCUS found? Y N Display shows objective moves up&down disc motor for 160ms on PLAY button pressed? Y N Display shows disc motor turns. NEXT button pressed? Y Display shows PREV button pressed? Y CUE - mode

13、 jumps in steps of 16 tracks forward FOCUS search automatic adjustment of TRACK BALANCE REVIEW - mode jumps in steps of 16 tracks backwards SLIDE testDISC MOTOR test To enter Service Testprogramm hold PLAY & STOP buttons depressed while switching CD mode on. fig. 1 servtest EVA, 021097 * * To leave

14、Service Testprogram switch CD mode off. Door switch is ignored CD door can be opened. Slide servo, Radial servo, Focus servo, Disc motor and Laser are switched off. Mute is switched on via decoder IC. Purpose of RADIAL test: To check if the Audio signal is reproduced. Subcode info is ignored during

15、this test If the CD player functions well in this testmode, but not in the normal Play mode check quality of the eye-pattern signal. RADIAL test Display shows Play mode MUTE is switched off while autom. track balance adjustment is active as soon as track balance adjustment finished. (1 - 6) indicate

16、s the actual setting. PLAY button pressed? Y N MODE button pressed? YN Display shows automatic adjustment of FOCUS GAIN while autom. focus gain adjustment is active as soon as focus gain adjustment finished. (1 - 6) indicates the actual setting. PLAY button pressed? Y N MODE button pressed? YN Displ

17、ay shows track servo switched on automatic adjustment of TRACK GAIN while autom. track gain adjustment is active as soon as track gain adjustment finished. (1 - 6) indicates the actual setting. PLAY button pressed? Y N NN MODE button pressed? YN N SERVICE TESTPROGRAM SHUFFLE PROGRAM REPEAT ALL fig.

18、2 SHUFFLEREPEAT If the margin settings 0 or 7 are displayed the required setting is possibly out of the adjustment range. check disc drive and/or electronic circuitry The CD PLAY TEST is intended to be used for continuously playing a disc in order to detect intermittend or not reproducible failures.

19、 The error code indicates where the failure can be found. 1) Y CD PLAY TEST 1) N CD is in normal PLAY mode. In case of failures error codes acc. table 1 will be indicated on the display. POWER switched off? N Y Exit Service Testprogram MODE button pressed? set continues operation, message remains on

20、 the display until next error occurs or any key is pressed. Error numberError type Error type: Error description E0Focus Error Triggered when the focus is lost for more than 250ms during playing the CD. E6Subcode Error No valid subcode for 300ms during PLAY. E3Slide-out error Generated when the inne

21、r-switch did not open within approx. 250ms when the pick up is moved from the inner position outside. Inner-switch or slide motor problems. E2Slide-in error Generated when the inner-switch did not close within approx. 4s when the pick up is moved inside. Inner-switch or slide motor problems. W F0Foc

22、us Search Error Triggered when the focus could not be found within 3s when starting up the CD. F W W F2Fatal Subcode Error No valid subcode for more than 4s during PLAY. F W W W W = Warning F = Fatal Error set stops operation, message remains on the display. CD ERROR codes table 1 (The set can only

23、be operated again via a reset) E5Jump error. Triggered when the servo processor counts too less tracks in a defined time during JUMPS. This can be caused by a disturbed HF-signal (the tracks cannot be recognized exactly), slide motor problems, track servo problems or scratched discs. E7PLL lock erro

24、r When the PLL did not lock after 10 retries then this warning message is generated and the servo is stopped and restarted (as if the user would have pressed STOP and then PLAY immediately) to recover. SERVICE TESTPROGRAM CS 49 119 4-14-1 Rec/Pb Amplifier AN7318S Bias Oscillator Pb Rec Rec Pb Rec Pb

25、 Rec Pb 1626 Pb 1626 CD Tape to 1201 FM AM 1250 CD Tape FM AM 16261626 7625 TA8227P 7300 Pb CD Tuner 1 1 5 4 1601 Rec Rec RecFeedback +B (TAPE) ALC 1 3 1204 PLAY +- permanent magnet erase head right left +A +Laser +Laser 7854 7803 ALPC TRACK E - F + - FOCUS TRACK FOCUS MOTOR DRIVER SERVO PROCESSOR M

26、62475 SERVO DRIVER SLIDE SERIAL DATA INTERFACE F Monitor Disc - Disc + Inner SwitchInner Switch Inner Switch ext. DAC only Slide + Slide - Laser Track - Focus + Track + Focus - B+D A+C A+B+C+D E +Battery +A (TAPE) TAPE TRANSPORT CD Synchro MOTOR on /off NS Rec FM frontend AM Frontend FM Osc. FM Mixe

27、r AM Mixer AM Osc. AM IF IF1IF2 FM Det. AM Det. RADIO IC TEA 5711T TUNER BOARD Discr. LF filter 28529 2 3 26 leftleft right right stereo VCO 15141020 Stereo Decoder Vcc 2 1 AGC AM/FM Indicat. FERRITE ANTENNA 18 24 23 16 B C 468kHz468kHz VStabAVStabB VStabAVStabB 10,7 MHz10,7 MHz 927 Vcc 625 VStabA V

28、StabB 12 8 A AM-RF AM-Osc. FM-Osc. FM-RF TELESCOPIC ANTENNA 1 5 7111321 AGC/AFC tuning indicator AFC AFC 7102 7101 AM/FM switch STABILIZER FM-IF 1FM-IF 2 30 3 AM-IF 1AM-IF 2 ? ? +B (TAPE) CD Synchro CD Synchro +A(Tuner) +A(FM) Tuner L Tuner R to/from source switch +A(Tuner) +A(FM) 2 1 1202 1 2 1203

29、+ BATTERY COMPARTMENT 6 x 1.5V (R20) 3 4 5 MAINS-SOCKET 5001 Th. 115C VOLTAGE SELECTOR 1007 1006 1 2 (for /01/11 only) ! ! ! ! +A +A +A(CD) +A(CD) +B(CD) +B(CD) Vcc Vcc +B(CD) +A(on)+B(Tape)+A(FM)+A(Tuner) REC/PB - AMPLIFIER SOURCE SWITCH Rec POWER STAGE DBB VOLUME HEADPHONE 1302 RIGHT LEFT + + + +

30、- - - - 4 1 1301 p Left Right +A +M +M soft on/off 4x 1N4002 6250 62516252 6253 CD Tape FM AM on/off 4 4 1350 FRONT BOARD COMBI BOARD 5803 8.46MHzext. DAC (opt.) left, right out leftdata l/r clk right 4.23MHz 111 1 121, 35-40 8 39 16 32 13 27 30 Xin 23 CD-reset 11 STOP PLAY MODE PREV NEXT 7800 1813

31、1812 key in + - RESET reset watchdog reset door 1 2 18091808 1 21807door switch 1 28 2129 36 2 1 5 4 15 30 16 40 33 32 27 19 PWM PWM 42 VDD analog VDD logic VDD 1 VDD 2 23 22 28 5 8 6 10 18 37 40 39 20 REF HFHF +Laser +M 18 15 1811 129 7801 DECODER M65824 6 1 1810 - + Clock Generator PLL frontend mo

32、tor control digital PLL EFM demod. flags DAC audio processor error control ? ? ? ? ? SLIDE DISC CD - PART DATA INTERFACE EVA Blockdiagr., 260897 VDD VSS data interface D/A D/A L/R CLK DSCK 2 3 1 8 6 TDA1311A/N2 SHUFFLE PROGRAM REPEAT ALL 1101 1201 MICRO PROCESSOR TMP47C422F 1820 3300 +A(on) 5V 0V 15

33、2kHz, 50mVpp stereostereomono eye-pattern TB=0,5 us/DIV Focus search Service step 2 2V + - 0.3s PWM DISC MOTOR TB 2us/Div 4V HF DISC Laser diode PHOTO DIODE ARRAY DISC MOTOR TRACK SERVO FOCUS SERVO SLIDE SERVO CD-drive CD94V5T1 Monitor diode pick up unit t u r n t a b l e Inner switch FLEX WIRE FLEX

34、 WIRE F C D A B F C D A B FE C D A B s l i d e m o t o r BLOCK DIAGRAM CS 49 120 5-15-1 CS 49 121 (Top view) motor on/off shield TAPE TRANSPORT CDS-83VBF MOTOR + - Rec/Pb head permanent magnet erase head SHIELD Rec/Pb head YELLOWWHITE left RED right 110-127V220-240V +Batt. +Batt. +A GND (R20) 6 x 1.

35、5V BATTERY COMPARTMENT 1 1 1 11 1 / 1 1 8800 1813 1812 1101 1201 5 11 8801 8001 1002 1003 1601 1202 1203 1204 1301 8102 8012 1006 8005 8007 TRANSFORMER /00/05/10/14/17 1811 6 3 4 (shielded) 8006 8101 ANTENNA TELESCOPIC BOTTOM VIEWTOP VIEW loosen screw and fasten again with cable slide motor 8013 HEA

36、DPHONE 1330 1 1 TUNER L GND TUNER R +A(TUNER) +A(FM) / 4 TRANSFORMER /01/11/11H DISPLAY 8008 / to 1202 / 2 1 1 1 8011 COM1 COM2 COM3 TUNER L GND TUNER R +A(TUNER) +A(FM) 5 TAPE R 4GND TAPE L COM GND 3 +A(TAPE) +A L- R- L+ R+ DISC- DISC+ GND INNERSWITCH SLIDE+ SLIDE- KEY IN GND LCD5 LCD4 LCD6 LCD7 LC

37、D9 LCD8 11 1 COM1 COM2 COM3 KEY IN GND LCD5 LCD4 LCD6 LCD7 LCD9 LCD8 left right 110-127V220-240V 1 GND +A BLACK BLUE WHITE ORANGE / / / to mains socket 8008white orangeblue black 1 1 DOOR SWITCH 1809 GND DOOR SW 1809 8802 2 1810 115 COMBI BOARD (componentside view) CD DRIVE CD94V5T1 (top view) FRONT

38、 BOARD (component side view) TUNER BOARD (component side view) 8003/15p MAINS-SOCKET 5 3 4 2 1 1006 1007 5001 5001 1007 5001 MAINS-SOCKET 5 3 4 2 1 Voltage selector DETAIL: VOLTAGE SELECTOR (mounting view) DETAIL CD-DRIVE: connection of metal frame to ground 8013 SL + SL - 16 hand soldered JST conne

39、ctor 2.5mm JST connector 2.0mm Wiring EVA , 031097 DIPMATE (cable wave soldered) /00/14 /05/10 /17 220 - 230V 230 - 240V 120V / Attention: The disc drive will be delivered without grounding wire 8013. When replacing the disc drive, grounding wire 8013 has to be reconnected to the new drive. cable ti

40、e plastic cover WIRING DIAGRAM 6-16-1 CS 49 122 P P VARCO 2106 C4 C3 C2 C1 P to/from Combi Board 1201 468kHz468kHz FM/AM SWITCH GND +A(FM) +A(TUNER) TUNER_R TUNER-L MW FILTER BIRDY VCO MW AM-OSCILLATOR DISCRIMINATOR FM-IF2 FM-IF1 AM-IF2AM-IF1 TUNER BOARD printed AM-RF FM-RF FM-OSC. C4 C2 C1 C3 Ferro

41、ceptor 8020 provisional 9151 I 6 7102 G 8 7101 C11 6102 B 2 6101 B 2 5108 A 7 5107c B 9 5107b B 8 5107a B 6 5106 A 5 5105 I 9 5104 I 7 5102 G 4 5101 H 6 3114 G 9 3113 F11 3110 A11 3109 B11 3107 C13 3106 C12 3104 F10 3102 G 8 3101 F 8 2123 H 6 2122 G10 2121 F10 2120 F10 2119 B11 2118 A11 2117 A11 211

42、6 A11 2115 B 9 2114 G 9 2113 F 9 2112 C12 2111 I 7 2110 I10 2109 I 6 2108 I 7 2106 H 5 2106 F 5 2106 I11 2106 I 6 2105 H 5 2104 F 6 2103 F 5 2102 B 4 2101 B 4 1101 B14 4561789101112131423 F E D I C B A H G F E D I C B A H G 4561789101112131423 T101 T102 T105 T106 T107 T108 T113 T109 T110 T111 T112 T

43、116 T120 3109 10k 3114 100k 3106 820R 100k 3113 2k2 3104 68k 3102 3110 10k 3107 33R 5104 5101 2106 82p 2106 160p 2106 2106 1101 1 2 3 4 5 1u 2117 1u 2118 0u22 2113 0u47 2122 0u47 2121 1u 2120 2112 47u 10u 2103 10u 2104 4u7 2115 2123 2111 27p 2109 330p 2114 22n 2119 22n 33nUSA33nUSA 2116 3p3 2108 22p

44、 2105 100p 2101 47p 2102 8p2 2110 9151 Vcc Vcc REF_A REF_A REF_A 7102 BC548C 5102 5105 1 2 34 6 6101 1N4148 6102 1N4148 5107a 5107b 5106 1 2 34 6 5108 1 2 34 6 50k 3101 5107c CDA10.7MC 2526272829301718192021222324 12345678910111213141516 3132 P P provisional only out MIXER FM out FMAM M/ST SWITCH FI

45、LTERLOOP LED STEREO IN MPX OUT AM/FM MUTE MUTE 19/19/38kHz R VCO AM/FM SWITCH V Stab BV Stab A IF GND INDIC. TUNING VCC AM OSC FM OSC SUB GND FM RF AGC/AFC RIPPLE AM RF in IF AMP MUTE 38kHz L out R out FILTER PILOT IF GND DEMOD FM in FM IF2 out V Stab B AM IF2 in FM IF1 V Stab A out AM MIXER AM IF1

46、in in FM RF DET. SYNCH SDS DIVIDER VCO SWITCH MONO/ST DRIVER LED CONV. V/I SWITCH AM/FM CONTROL MUTE SOFT MATRIX DET. PILOT SWITCH DET PHASE DET. AM INDIC. DET.IF 2IF 1 FM FM FM AM/FM STABILIZER OSC. OSC. AMAM MIXER AM Frontend AGC FM RF GND Frontend FM AM IF FM MIXER FM nc 7101 TEA5711T FM IF1 EVA

47、tuner, 230997 EVM DC voltages measured with mains supply 230V FM mode stereo AM mode .V V V 0.6V 0V 9V 8.2V 7.4V 8.1V 0V 0,6V 7,4V 0V 1.1V 8.1V B 1V 0.6V0.6V1V1V0.7V0.7V0.7V1.4V1.4V1.4V1.4V1.4V1V0.7V 2V0.7V0V0V0V0V0V0.7V1.2V0.8V0.7V 0.1V1.1V0.2V 0V1V1V1V0V 2 1 A C 3 Vcc 2k2 4k7 5V 0V 152kHz, 50mVpp

48、stereostereomono Signal path FM AF - left/right AM MPX (Audio Frequency) 6-26-2 CS 49 123 33834 97-07-17 33834 97-07-17 3104 B 1 6101 A 1 3109 A 4 3101 B 4 2117 A 4 2111 B 3 A A B B A B A B 1234 1234 1234 1234 1101 A 4 0001 B 2 2101 A 1 2102 A 2 2103 A 2 2105 A 2 2106 A 3 2108 A 2 1102 B 4 2109 A 3

49、2110 B 3 2112 B 1 2113 B 2 2114 B 1 2115 A 1 2116 B 4 2119 B 4 2120 B 1 2121 B 1 2122 B 1 2123 A 2 3102 A 4 3106 B 1 3107 B 4 3113 B 1 3114 A 4 5101 A 2 5104 B 2 5107a A 1 5107b A 1 5107c B 1 5108 A 1 7102 A 4 8100 A 1 9101 B 2 9150 A 1 9151 B 3 2103 2115 6102 9150 FM IF1 FM IF2 8100 2104 A 5101 5106 5107a 5107b 6101 5108 21012102 2122 2108 9151 3101 5104 7102 5105 3114 2109 2110 2111 11020001 1102 2123