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McIntosh MX136 Service Manual

A/v control center
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Download this manual See also: Owner's Manual
Performance Specifications ................................... 2 - 3
Notes ......................................................................... 3
Rear Panel .................................................................. 3
Section Location ........................................................ 4
Block Diagram ...................................................... 5 - 8
Interconnection Diagram .................................... 9 - 11
Display Schematic and PCB ............................... 12 - 19
Surround Schematic and PCB ............................ 19 - 34
Data Schematic and PCB ................................... 37 - 41
S-Video Schematic and PCB .............................. 42 - 47
MX136
A/V CONTROL CENTER
SERIAL NO. XM1001 And Above
CONTENTS
SERVICE MANUAL
Serial Number XM1001 And Above
Video Schematic and PCB ................................. 48 - 50
Input Schematic and PCB .................................. 51 - 56
Component Video Schematic and PCB ............ 57 - 60
Tuner AM/FM Alignment Procedure ................. 61 - 62
Tuner/RAA1 Schematic and PCB ....................... 63 - 66
Balanced Schematic and PCB ........................... 67 - 70
HDMI Module ......................................................... 71
HDMI Power Supply ................................................ 72
Parts List ............................................................ 73 - 90
Exploded Views and Parts Lists .......................... 91 - 94

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Summary of Contents for McIntosh MX136

  • Page 1: Table Of Contents

    MX136 A/V CONTROL CENTER SERIAL NO. XM1001 And Above CONTENTS Performance Specifications ........2 - 3 Video Schematic and PCB ......... 48 - 50 Notes ................. 3 Input Schematic and PCB ........51 - 56 Rear Panel ..............3 Component Video Schematic and PCB .... 57 - 60 Section Location ............

  • Page 2: Performance Specifications

    220 Volts, 50/60Hz at 65 watts Left Back, Right Back: 230 Volts, 50/60Hz at 65 watts ±0.5dB from 20Hz-20,000Hz 240 Volts, 50/60Hz at 65 watts Note: Refer to the rear panel of the MX136 for the correct Subwoofer voltage. ±0.5dB from 20Hz-140Hz Overall Dimensions Total Harmonic Distortion Width is 17-3/4 inches (45.09cm)

  • Page 3: Notes

    MX136 PERFORMANCE SPECIFICATIONS con’t AM Tuner Specifications Capture Ratio 1.2dB Sensitivity 20uV External Antenna Input Alternate Channel Selectivity 75dB Signal To Noise Ratio 48dB at 30% modulation Spurious Response 58dB at 100% modulation 100dB Harmonic Distortion Image Response 0.5% maximum at 50% modulation...

  • Page 4: Section Location

    SECTION LOCATIONS TOP VIEW WITH COVER REMOVED BOTTOM VIEW WITH COVER REMOVED...

  • Page 5: Block Diagram

    MX136 BLOCK DIAGRAM...
  • Page 6 BLOCK DIAGRAM con’t...
  • Page 7 MX136 INTERCONNECT...
  • Page 8 DISPLAY 750565 SH 1 OF 2...
  • Page 9 MX136 DISPLAY 750565 SH 2 0F 2...
  • Page 10 SURROUND DISPLAY 750570 SH 1 OF 6 CONTROL SECTION 750565 LED SECTION 750569 KEYBOARD SECTION 750568...
  • Page 11 MX136 SURROUND 750570 SH 2 OF 6...
  • Page 12 SURROUND 750570 SH 3 OF 6...
  • Page 13 MX136 SURROUND 750570 SCH 4 OF 6...
  • Page 14 SURROUND 750570 SCH 5 OF 6...
  • Page 15 MX136 SURROUND 750570 SCH 6 OF 6...
  • Page 16 SURROUND 750570 PCB...
  • Page 17 SURROUND 750570 PCB...
  • Page 18 MX136 NOTES...
  • Page 19 DATA 750562 SCH 1 OF 2...
  • Page 20 MX136 DATA 750562 SH 2 OF 2...
  • Page 21 S-VIDEO 750564 SH 1 OF 2...
  • Page 22 MX136 S-VIDEO 750564 SH 2 OF 2...
  • Page 23 VIDEO 750563...
  • Page 24 MX136 INPUT 750561 SH 1 OF 2...
  • Page 25 INPUT INPUT 750561 SH 2 OF 2 750561...
  • Page 26 MX136 COMPONENT VIDEO 750566...

  • Page 27: Tuner Am/Fm Alignment Procedure

    COMPONENT VIDEO TUNER ALIGNMENT PROCEDURE 750566 Note: Refer to Figure 1 while reading the below procedure. FM ALIGNMENT PROCEDURE AM ALIGNMENT PROCEDURE 8. Note the initial position of R70, and then adjust R70 fully 1. Connect an FM Signal Generator to Antenna Input. 1.
  • Page 28 MX136 TUNER 049084 SCH...
  • Page 29 TUNER RAA1 SECTION 049084 PCB 049084 SCH and PCB...
  • Page 30 MX136 BALANCED 750567 SCH...
  • Page 31 BALANCED 750567 PCB...

  • Page 32: Hdmi Module

    MX136 HDMI MODULE 750623...

  • Page 33: Hdmi Power Supply

    HDMI POWER SUPPLY 750599...

  • Page 34: Parts List

    061345 IC13 IC OCT 3-STT NONINVERTING 133654 CAP MONO .1UF 50V 20% Z5U 061346 IC14 IC PROG MX136 V1.1.10 133665 133653 CAP MONO .1UF 50V 20% Z5U 061346 (IC14) SOCKET IC 32 PIN 178165 CAP MONO .1UF 50V 20% Z5U...

  • Page 35: Parts List

    PARTS LIST Ref. No. Description Part No. Cont’d. DS23 LED 2 SEGMENT YELLOW BAR 058146 DS24 LED 2 SEGMENT YELLOW BAR 058146 Ref. No. Description Part No. DS25 LED 2 SEGMENT YELLOW BAR 058146 DS26 LED 2 SEGMENT YELLOW BAR 058146 RES FP 10 OHM 5% 1/4W 137105...
  • Page 36 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. CAP ELECT 18000UF 16V 066460 CAP ELECT 10UF 50V 066445 KEYBOARD PCB 750568 Cont’d. CAP ELECT 10UF 50V 066445 Ref. No. Description Part No. CAP ELECT 10UF 16V 066580 SWITCH TACT...
  • Page 37 PARTS LIST Ref. No. Description Part No. Cont’d. C262 CAP ELECT 10UF 16V 066580 C263 CAP ELECT 10UF 16V 066580 SURROUND PCB 750570 Cont’d. C264 CAP ELECT 10UF 16V 066580 Ref. No. Description Part No. C265 CAP ELECT 10UF 16V 066580 C143 CAP MPF 0.047UF 5% 63VDC...
  • Page 38 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. IC66 IC SPST QUAD FET SWITCHES N O 133580 IC69 IC OPERATIONAL AMPLIFIER 133626 SURROUND PCB 750570 Cont’d. IC70 IC OCTAL DAR TRNS ARRY W/DIODE 133624 Ref. No. Description Part No.
  • Page 39 PARTS LIST Ref. No. Description Part No. Cont’d. RES NETWORK 2 X 100 OHM ISO 144680 RES MF 1.65K 1% 1/4W 144516 SURROUND PCB 750570 Cont’d. RES MF 10K 1% 1/4W 144504 Ref. No. Description Part No. RES MF 8.25K 1% 1/4W 144549 SOCKET STRIP .025 SQ 20 PIN 117642...
  • Page 40 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. R330 RES NETWORK 2 X 100 OHM ISO 144680 R340 RES FP 10 OHM 5% 1/4W 137105 SURROUND PCB 750570 Cont’d. R350 RES MF 10 OHM 1% 1/4W 144553 Ref. No. Description Part No.
  • Page 41 PARTS LIST Ref. No. Description Part No. Cont’d. CHOKE 18UH 5%-10% 122394 CHOKE 18UH 5%-10% 122394 DATA PCB 750562 Cont’d. CHOKE 18UH 5%-10% 122394 Ref. No. Description Part No. CHOKE 18UH 5%-10% 122394 CAP ELECT 47UF 35V 066446 CHOKE 18UH 5%-10% 122394 OPT1 FIBER OPTIC RECEIVER...
  • Page 42 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. RES MF 75 OHM 1% 1/4W 144644 RES MF 75 OHM 1% 1/4W 144644 S-VIDEO PCB 750564 Cont’d. RES MF 806 OHM 1% 1/4W 144512 Ref. No. Description Part No. RES MF 75 OHM 1% 1/4W...
  • Page 43 PARTS LIST Ref. No. Description Part No. Cont’d. CAP ELECT 47UF 16V 066380 CAP ELECT 47UF 16V 066380 S-VIDEO PCB 750564 Cont’d. CAP ELECT 47UF 16V 066380 Ref. No. Description Part No. CAP ELECT 47UF 16V 066380 CAP ELECT 47UF 16V 066380 RES MF 47.5K 1% 1/4W 144526...
  • Page 44 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. CAP MONO .1UF 50V 20% Z5U 061346 CAP MONO .1UF 50V 20% Z5U 061346 VIDEO PCB 750563 Cont’d. CAP MONO .1UF 50V 20% Z5U 061346 Ref. No. Description Part No. CAP MONO .1UF 50V 20% Z5U...
  • Page 45 PARTS LIST Ref. No. Description Part No. Cont’d. RES MF 47.5K 1% 1/4W 144526 RES MF 1K 1% 1/4W 144513 INPUT PCB 750561 Cont’d. RES MF 1K 1% 1/4W 144513 Ref. No. Description Part No. RES MF 47.5K 1% 1/4W 144526 C134 CAP ELECT 10UF 16V...
  • Page 46 MX136 PARTS LIST Ref. No. Description Part No. Cont’d. CAP ELECT 10UF 50V 066445 CAP MONO .1UF 50V 20% Z5U 061346 INPUT PCB 750561 Cont’d. CAP ELECT 10UF 50V 066445 Ref. No. Description Part No. CAP MONO 22PF 200V 10% NPO...
  • Page 47 MX136 PARTS LIST Ref. No. Description Ref. No. Description Part No. Part No. Cont’d. RES MF 806 OHM 1% 1/4W 144512 RES MF 806 OHM 1% 1/4W 144512 COMPONENT VIDEO PCB 750566 Cont’d. RES MF 75 OHM 1% 1/4W 144644 Ref.
  • Page 48 MX136 PARTS LIST Ref. No. Description Ref. No. Description Part No. Part No. Cont’d. D101 TUNING DIODE 070125 D102 SILICONE DIODE 070047 TUNER/RAA1 SECTION PCB 049084 Cont’d. D103 SILICONE DIODE 070047 Ref. No. Description Part No. D104 SILICONE DIODE 070047...
  • Page 49 PARTS LIST Ref. No. Description Ref. No. Description Part No. Part No. Cont’d. CAP MONO .1UF 50V 20% Z5U 061346 CAP MONO .1UF 50V 20% Z5U 061346 TUNER/RAA1 SECTION PCB 049084 Cont’d. CAP ELECT 10UF 50V 066445 Ref. No. Description Part No.
  • Page 50 MX136 PARTS LIST Ref. No. Description Ref. No. Description Part No. Part No. Cont’d. RES MF 20K 1% 1/4W 144524 RES MF 100 OHM 1% 1/4W 144568 BALANCED PCB 750567 Cont’d. RES MF 100 OHM 1% 1/4W 144568 Ref. No. Description Part No.
  • Page 51 MX136 PARTS LIST Ref. No. Description Ref. No. Description Part No. Part No. Cont’d. DIODE RECT SI 3A 100V 070176 DIODE SILICON 070174 HDMI POWER SUPPLY PCB 750599 SUB HEATSINK 018751 Ref. No. Description Part No. IC 5V 1.5A REGULATOR LOW DROP 133610 IC REGULATOR 3.3V LOW DROPOUT 133630...
  • Page 52 MX136 MX136 EXPLODED VIEW...
  • Page 53 MX136 EXPLODED VIEW and PARTS LIST Part Description 016541 GLASS 159340 TRANSFORMER R-CORE POWER 148073 SWITCH DPDT ROCKER 402045 KEP NUT 6-32 SPECIAL 017531 PUSHBUTTON ASSY RED 017160 TAB MOUNTING .140 DIA MTG 017517 PUSHBUTTON ASSY BLK 017329 CABLE TIE HT5.9...

  • Page 54: Repacking Instruction

    MX136 REPACKING INSTRUCTION...
  • Page 55 SERIAL NO. XM1001 And Above The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated, who reserve the right to improve design without notice. Because of the constant upgrading of McIntosh products’ circuitry and components, the Company cannot insure, and does not warrant, the accuracy of the within schematic material, which is intended for information only.

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