Related Manuals for Inter-m SYSTEM-2120
Summary of Contents for Inter-m SYSTEM-2120
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Page 1: Service Manual
SERVICE MANUAL M U L T I P . A C O M B I N A T I O N AMPLIFIER SYSTEM-2120/2240 www.inter-m.com MADE IN KOREA NO: 9007919920... -
Page 2: Electrical Adjustment Procedure
ELECTRICAL ADJUSTMENT PROCEDURE 1. IDLE CURRENT POINT TEST POINT LEVEL ADJUSTMENT AMP IDLE R773 SVR701 CURRENT 2. DECK SPEED ADJUSTMENT CONDITION (USE MCC-112 TEST TAPE) POINT TEST POINT LEVEL ADJUSTMENT DECK SPEED OUTPUT 30000±50Hz SVR301 CONTENTS Electrical Adjustment Procedure Micom Data (CD) 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 Micom Data (TUNER) 13, 14, 15, 16... - Page 3 MICOM DATA (CD) KA9258D PIN DEFINITIONS 4-Channel Motor Driver Pin Number Pin Name Pin Function Description DO1.1 Diver output 28-SSOPH-375 DO1.2 Diver output DI1.1 Diver input DI1.2 Diver input – Regulator Regulator output MUTE Mute GND1 – Ground 1 DI2.1 Diver input DI2.2 Diver input...
- Page 4 KA3082 INTERNAL BLOCK DIAGRAM Bi-Directional DC Motor Driver 10-SIP PIN ASSIGNMENTS PIN DEFINITIONS Pin Number Pin Name Pin Function Description – Ground Output 1 – Phase compensation Motor speed control Input 1 Input 2 – Supply voltage (Signal) – Supply voltage (Power) –...
- Page 5 CXD2589Q PIN CONFIGURATIONS CD Digital Signal Processor 80 pin QFP (Plastic) BLOCK DIAGRAM...
- Page 6 PIN DEFINITIONS Pin No. Pin Name Description – – Power supply (+5V) Pin No. Symbol Description XUGF XUGF output. Switched to MNT1 or RFCK output by a command – – XPCK XPLCK output. Switched to MNT0 output by a command LMUT Left-channel zero detection flag GFS output.
- Page 7 CXA2542AQ CXP83232A/83240A RF Signal Processing Servo Amplifier for CD Player CMOS 8-bit Single Chip Microcomputer 48 pin QFP (Plastic) 100 pin QFP (Plastic) 100 pin LQFP (Plastic) BLOCK DIAGRAM BLOCK DIAGRAM...
- Page 8 MICOM DATA (TUNER) PIN ASSIGNMENTS OVERVIEW The KS57C3316 single-chip CMOS microcontroller has been designed for high performance using Samsung’s newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers). With features such as LCD direct capability, 4-channel A/D converter, 8-bit timer/counter, watch timer and PLL frequency synthesizer, it offers you an excellent design solution for a wide variety of applications that require LCD functions and audio applications.
- Page 9 PLL Frequency Synthesizer FEATURES BLOCK DIAGRAM • Level=300 mVp-p (min) • AMVCO range=0.5 MHz to 30 MHz Memory • FMVCO range=30 MHz to 150 MHz • 512-nibble RAM • 16K-byte ROM 16-Bit Intermediate Frequency (IF) Counter • Level=300 mVp-p (min) I/O Pins •...
- Page 10 MICOM DATA (DECK) PIN ASSIGNMENTS SAM8 PRODUCT FAMILY (S3C8465) Samsung’s new SAM8 family of 8-bit single-chip CMOS microcontrollers offers a fast and efficient CPU, a wide range of integrated peripherals, and various mask-programmable ROM sizes A dual address/data bus architecture and a large number of bit-or nibble-configurable I/O ports provide a flexible programming environment for applications with varied memory and I/O requirements.
- Page 11 Timer/Counters FEATURES BLOCK DIAGRAM • One 8-bit basic timer for watchdog function • One 8-bit timer/counter with three operating modes (timer 0) • SAM87 CPU core • One 8-bit timer for the zero-cross detection circuit Memory • Two 16-bit general-purpose timer/counters with •...
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Page 12: Specifications
SPECIFICATIONS PIN ASSIGNMENTS NORMAL LIMIT AMPLIFIER SECTION SYS-2120 SYS-2240 SYS-2120 SYS-2240 Rated Output Power (at THD 1%) 130W 245W 120W 240W Output Level/Impedance 100V/83.3Ω 100V/41.7Ω over than 100V Transformer Output 70V/4.0Ω 70V/20.4Ω over than 70V 25V/5.2Ω 25V/2.6Ω over than 25V Direct Output 22V/4Ω... -
Page 13: Electrical Parts List
ELECTRICAL PARTS LIST NORMAL LIMIT Ref No. Part No. Description Value Ref No. Part No. Description Value CN707 4428595013 LW5267/LWB0640/2.5MM-13P TUNER SECTION–FM SYS-2120 SYS-2240 SYS-2120 SYS-2240 AMP B’D (4005410000) AN706 4428596604 LOCK WAFER LW-1143-04P Q721 2008005999 TR PNP 2SA 1546 NEC 2SA 1546 AN705 4428596606... - Page 14 Ref No. Part No. Description Value Ref No. Part No. Description Value Ref No. Part No. Description Value Ref No. Part No. Description Value C306 3529104531-A CAP CE F 100000PF 50V Z 100000P C383 3409247131-T CAP AF SG 470UF 16V 10X12.5 470/16 R336 3009474973...
- Page 15 Ref No. Part No. Description Value Ref No. Part No. Description Value Ref No. Part No. Description Value Ref No. Part No. Description Value R330 3009474973 RES CF 470K 1/5W J N 470K C302 C311 3409247131-T CAP AF SG 470UF 16V 10X12.5 470/16 CN604 4428596804...
- Page 16 Ref No. Part No. Description Value Ref No. Part No. Description Value Ref No. Part No. Description Value SW520 4628988610 SW POWER SDDF3PATL011 (SP278) power 3009104973 RES CF 100K 1/5W J N 100K ASSEMBLE Q502-Q504 2008606104-T TR NPN KTC 3198Y KTC 3198Y R24-R25 Q506...
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Page 17: Top And Bottom View Of P.c. Board
TOP AND BOTTOM VIEW OF P.C. BOARD... -
Page 20: Wiring Diagram
WIRING DIAGRAM... - Page 21 BLOCK DIAGRAM...
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Page 22: Schematic Diagram
SCHEMATIC DIAGRAM... -
Page 29: Exploded View Of Cabinet & Chassis/Mechanical Parts List
EXPLODED VIEW OF CABINET & CHASSIS/MECHANICAL PARTS LIST DOT SCREW #2BTC 3x10B 8095996520 SCREW #3WPTC 4x8B 8159340083 ASS'Y SCREW PM 4X8B 8095996910 ASS'Y SCREW PM 4x16N 8095997010 HEX MSPW 3x12Y 8099130121 SCREW BM 3x14B 8009130143 SCREW 1WPTC 3x10Y 8159130101 SCREW 2BTC 3x12B 8109230123 SCREW #2WPTC 3x8B 8159236083... -
Page 30: Ass'y Drawing
ASS’Y DRAWING ANTENNA IMPEDANCE SELECTOR 100V (21Ω) (41Ω) (300Ω SP 1 SP 2 (75Ω SP 3 SP 4 SP 5 SP 6 SP 7 SP 8 SP 9 SP 10 DIRECT (4Ω) Description Part No Q'ty Remark BRAND PLATE 049027998315 KNOB PUSH 8545988610 TUNER INLAY... - Page 31 NOTE...