ADJUSTMENT PROCEDURE ................64 TROUBLE SHOOTING ..................66 TECHNICAL DESCRIPTION FOR DECODER ............. 69 ELECTRICAL PARTS LIST ................... 71 Please use this service manual with referring to the user guide (D.F.U) without fail. SR-19EX 334J855010 AO Printed in Japan First Issue:2001.01...
Page 2
MARANTZ Parts for your equipment are generally available to our National Marantz Subsidiary or Agent. ORDERING PARTS : Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
1. TECHNICAL SPECIFICATIONS FM TUNER SECTION Dolby Digital(AC-3) SECTION Frequency Range ..87.5 - 108.0 MHz (C, K, S, U version) Output Level ( Master Volume is set 0dB ) Usable Sensitivity ........IHF 1.8 V / 16.4 dBf Front L / R, CENTER, SURROUND L/R Signal to Noise Ratio ......
Page 4
Remark : Bass signal output from Sub Woofer terminal for SR-19EX. Sub woofer output is not active while all surround modes. Please refer to the following table. SPK SETUP for SR-19EX SPK setup ZR38601 SubWoofer Output by Surround mode Surr.
6. IC DATA Q351 : LC72722 Pin Name Function QD01 : AK4536 LOUT1- DAC1 Lch Negative Analog Output Pin LOUT1+ DAC1 Lch Positive Analog Outp ut Pin DZFL2 DAC2 Lch Zero Input Detect Pin V REF DAC1 Rch Zero Input Detect Pin FLOUT DZFR1 DZFL1...
Page 29
QK01 : AK4528 Q651:ZR38601 VCOM AOUTR+ Host AINR+ AOUTR- Serial Host Internal Internal Program/ Internal Program/ Serial Audio AINL+ AOUTL+ SPI or Z2C Data RAM Data RAM Data ROM AINR- DGND Inputs Serial Interface 10k x 20 2k x 32 20k x 32 Input AINL-...
Page 30
Q691:TMP93CW44ADF Q501:LC72130 port name Name Act. Note port name Name Act. Note 1 P55/AN5 MODE_SW0 Link Host or _Stand alone 41 P10/AD8 _RSTRF Reset RF demodulate REFERENCE PHASE DETECTOR 42 P11/AD9 Digital / _Analog select 2 P56/AN6 MODE_SW1 _HDCD available X IN DIVIDER CHARGE PUMP...
Page 31
QY01:TMP93PW40DF no port name I/O USE Sig. Name act. Description no port name I/O USE Sig. Name act. Description no port name I/O USE Sig. Name act. Description 1 VREFL A/D VREFL. 41 PA6 _RST SURR 81 P41 (RESERVED) L I/F to SURR. µP 2 AVSS A/D VSS 42 PA7/SCOUT...
6. Press [ DISPLAY OFF ] button. Segments of checker pattern light up step by step. 7. Press [ DISPLAY OFF ] button. All segment of FLD and LED’s turn off. 8. Press [ DISPLAY OFF ] button. It will return to 1. (FLD shows “MARANTZ SR-19EX”.) 3. Input and output test mode This mode is available for the functions as shown in Fig 1 by the following steps.
Page 35
3.1. Input selection mode (without setting to system setup menu) This mode is available to select the input without setting to system setup menu by the following steps. 1. When FLD shows "AUTO CD"( Refer to "3. Input and output test mode"), the input can be shifted by pressing [ MODE ] button for the remote commander only each time as shown in Fig 2.
9. ELECTRICAL ADJUSTMENTS 1. DC offset adjustment Master Volume : Minimum, Speaker out : non Load Adjustment Step Power Channel Test Point Adjustment Vaule Point Front L R715 Center RT15 Speaker Output Front R RP16 20mV Terminal Surr. L RP15 Surr.
Page 37
4. Cooling fan confirmation 4.1 Fan failure sensor confirmation 1) Set to be SPK output 1W from the front channel. 2) Connect the 1pin (LOCK) of the connecter JN10 (on P754) to chassis (GND level) by a wire. 3) After 6 seconds the SPK relay works, and the SPK output isn’t output. 4.2 Temperature sensor confirmation 1) Connect a resistor (470ohms 1W) between JN10 3pin (T-2CH) and DC +12Voltages.
Page 38
10. ALIGNMENT PROCEDURES 1. AM IF Adjustment Input Signal Source Signal Source Signal Output Reception Adjustment Adjustment Step Connection Frequency Level and Modulation Frequency Point Value 999 kHz Output level Signal generator output to (C, K, S) Level 300 V/m (50dB/m) (L or R) transmission *loop antenna.
Page 39
5. FM Muting Level Adjustment Turn the variable resistor R212 to no indication ("TUNED") point. And return that valuable resistor in opposite to the "TUNED" indicate point. Input Signal Source Signal Source Signal Output Reception Adjustment Adjustment Step Connection Frequency Level and Modulation Frequency Point...
11. TROUBLE SHOOTING No Power Standby Power supply circuite (PS04) LED Lights up on has any problem. standby mode To be check +5VL or PDOWN signal. FLD shows Vkk or FL is not supplied ERROR PWR1 to PU04 Supply +24V to PY04? Can PS04 supply +24V ?
Page 41
No sound from SPK on Analog Stereo mode Pre output is Test Tone is active ? OK ? Analog S-Direct is OK ? (Volume, & Power Amp are P704, P754 (Volume , Power Amp & Volume, HDAM or SPK Relay Audio Input are OK) or Preout Relay has problem...
Page 42
No sound from SPK on AC-3/DTS decode Volume, HDAM, QC01 6ch Direct or Preout Relay is OK ? has any trouble.(P104) P604 has trouble DIR(QR01) or Q601 DD,DTS,PCM Pre output is Test tone is are shown? has trouble OK ? OK ? DAC &...
Page 43
12. TECHNICAL DESCRIPTION This product has two DSP ICs, one is for Dolby Digital (AC-3) decoding or DTS (Digital Theater System) decoding, another is for THX processing. Multi channel sound is reproduced by connecting with DVD player or LD player. Also Dolby Pro Logic decode is available to analog audio and PCM digital audio.
Page 44
DIR (Digital audio Interface Receiver : QR01 / LC89055) This circuit extract synchronized clock signals and data from SPDIF signal input. QR01(LC89055) generates these signals, this chip supports 96kHz sample rate. 1st DSP (Digital Signal Processor for Dolby Digital, Pro Logic, DTS : Q601 / YSS912) Q601(YSS912) decodes 6 channels audio from encoded data signal input.
13. ELECTRICAL PARTS LIST NOTE ON SAFETY FOR FUSIBLE RESIST OR : ASSIGNMENT OF COMMON PARTS CODES. RESISTORS The suppliers and their type numbers of fusible resistors are as 1) GD05 x x x 140, Carbon film fixed resistor, 5% 1/4W follows ;...
Page 46
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) P104-7CH ELE. VOL. TUNER CV04 5322 122 34098 CER. CHIP 0.01 F 10% DK56103300 CIRCUIT BOARD CV05 5322 122 32531 CER. CHIP 100pF 5% DD55101300 P104-CAPACITORS CV06...
Page 47
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) CV86 5322 122 32531 CER. CHIP 100pF 5% DD55101300 C361 /S CV87 4822 124 22782 ELECT 47 F 16V EA47601620 5322 122 32531 CER.
Page 48
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) RM36 4822 116 90503 CHIP 5% 1/10W NI05151110 RV64 4822 111 90919 CHIP 5% 1/10W NI05473110 RM46 4822 111 90894 CHIP 5% 1/10W NI05102110 RV73...
Page 49
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) R508 4822 111 90919 CHIP 5% 1/10W NI05473110 Q352 /S 4822 130 61227 DIG. TRS. BA10001000 R509 4822 111 90907 CHIP 5% 1/10W NI05223110 DTA114ES UN4111 10k 10k...
Page 50
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) CD56 5322 126 11578 CER. CHIP 1000pF B 50V DK96102300 CK03 4822 122 33761 CER. CHIP 22pF 5% CG 50V DD95220300 CD57 4822 126 11687 CER.
Page 51
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) C612 4822 126 11568 CER. CHIP 470pF 10% GR39 DK96471300 RH26 4822 051 30104 100k 5% 1/16W NN05104610 C613 4822 126 11687 CER. CHIP 0.1 F +80% -20% DK98104200 RH31 C614...
Page 52
POS. VERS. PART NO. POS. VERS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) RK11 QD01 IC AK4356 DAC 24BIT 192KHz HC10031480 4822 051 30472 4.7k 5% 1/16W NN05472610 QH01 4822 209 17155 IC NJM2068M HC10102090 RK18 QH02...
Page 53
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) LR02 4822 242 73843 EMI FILTER DSS306-91-F-223Z FM12223010 RT65 4822 052 10229 5% 1/6W GG05220160 L601 4822 242 73843 EMI FILTER DSS306-91-F-223Z FM12223010 RT67 4822 116 60319 J 1/2W FUSIBLE...
Page 54
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) P704-MISCELLANEOUS DT19 4822 130 80317 ZENER DIODE ZENER 5.1V HD30511000 DT21 4822 130 80837 DIODE HSS81TD 150V 150MA HD20027010 LT01 4822 157 70022 AIR COIL SPK CHOCK ML08010030 D701...
Page 55
VERS. PART NO. VERS. POS. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR COLOR (PCS) (PCS) (MJI) (MJI) RP07 DP01 1.5k 5% 1/6W GG05152160 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000 RP10 DP04 30V 0.1A RP15 9965 000 01766 TRIM.100k RA01040760 DP13 RP16...
Page 56
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) QP28 9965 000 01763 TRS. 2SA1216 O OR Y HT112162A0 C857 4822 124 90357 ELECT 2.2 F M 50V RA-2 OA22505020 QP29 4822 130 43233 TRS.
Page 57
VERS. PART NO. VERS. POS. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR COLOR (PCS) (PCS) (MJI) (MJI) CC81 4822 122 30043 CER. 0.01 F Z 50V DK18103310 CL82 4822 124 22571 ELECT 10 F M 50V RA-2 OA10605020 CC82 4822 122 30043 CER.
Page 58
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) QL15 DIG. TRS. DTC144VSA 47k 10k BA20068210 CQ08 4822 122 40617 CER. 0.1 F +80% -20% 50V DD38104010 QL16 4822 130 41947 TRS. 2SC2458 2SC1740S HT30001000 CQ09 /S 4822 122 31205 CER.
Page 59
POS. VERS. PART NO. POS. VERS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) C825 4822 124 22571 ELECT 10 F M 50V RA-2 OA10605020 D828 4822 130 82421 DIODE 1D3 1A 200V HD20002710 C826 4822 122 30043 CER.
Page 60
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) PT14-SPK TERMINAL DU07 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000 CIRCUIT BOARD 30V 0.1A PT14-CAPACITORS DU08 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000 CN51 /S 30V 0.1A...
Page 61
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) PW04-HEADPHONE RY59 4822 051 30683 5% 1/16W NN05683610 CIRCUIT BOARD RY60 4822 051 30103 5% 1/16W NN05103610 PW04-CAPACITORS RY64 4822 051 30273 5% 1/16W NN05273610 CW01...
Page 62
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) PY64-SEMICONDUCTORS CZ47 4822 126 10362 CER. 22pF 5% DA15220110 DY61 4822 130 82421 DIODE 1D3 1A 200V HD20002710 CZ49 4822 124 41543 ELECT 1 F M 50V RA-2 OA10505020 CZ50 4822 122 40617 CER.
Page 63
VERS. VERS. POS. PART NO. POS. PART NO. PART NO. PART NO. DESCRIPTION DESCRIPTION COLOR (PCS) COLOR (PCS) (MJI) (MJI) PZ04-SEMICONDUCTORS JZ05 TERMINAL RCA J6P YT02060710 DX01 4822 130 80321 ZENER DIODE ZENER 10V HD31001000 GREEN BLUE RED DZ01 4822 130 32362 DIODE 1SS176 MA165 1SS254 HD20002000 30V 0.1A LX01...
Need help?
Do you have a question about the SR-19EX and is the answer not in the manual?
Questions and answers