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Aiwa HV-FX8700 Service Manual

Stereo video cassette recorder
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HV-FX8700
K, EH
SERVICE MANUAL
STEREO VIDEO CASSETTE RECORDER
BASIC VIDEO MECHANISM : NC3600 P4LRH
• If requiring information about the mechanism, see Service Manual of
NCP4LHR3600, (S/MCode No.09-995-333-1n1).
S/M Code No. 09-008-437-3N1

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Summary of Contents for Aiwa HV-FX8700

  • Page 1 HV-FX8700 K, EH SERVICE MANUAL STEREO VIDEO CASSETTE RECORDER BASIC VIDEO MECHANISM : NC3600 P4LRH • If requiring information about the mechanism, see Service Manual of NCP4LHR3600, (S/MCode No.09-995-333-1n1). S/M Code No. 09-008-437-3N1...

  • Page 2: Specifications

    SPECIFICATIONS Video recording system Rotary 2 head helical scanning RF output UHF channel between 22 and 69 system 72 dBµ <EH> Video head Double azimuth 4 heads UHF channel between 22 and 69 Tuner system Frequency sysnthesised tuner 73 dBµ <K> TV system B/G <EH>...
  • Page 3 – 3 –...

  • Page 4: Disassembly Instruction

    DISASSEMBLY INSTRUCTION SERVICE POSITION 1. How to Remove the JOG/SHUTTLE 3. Caution When Attaching the Mechanism The washers that fix the MAIN C.B., are prepared to be used for service, for the purpose that the mechanism can be easily set in the service position while the main power of the machine is turned on.

  • Page 5: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C104 87-010-311-080 C-CAP,S 12P-50 CH C105 87-010-197-080 C-CAP,S 0.01-25 KB 87-A21-186-010 IC,STR-F6552 C106 87-010-322-080 C-CAP,S 100P-50 CH 87-A20-649-080 IC,HA17431VP C107 87-010-197-080 C-CAP,S 0.01-25 KB 87-A20-389-010 IC,NJM7809FA C108...
  • Page 6 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C184 87-010-322-080 C-CAP,S 100P-50 CH C374 87-010-196-080 C-CAPACITOR,S 0.1-25 C185 87-010-322-080 C-CAP,S 100P-50 CH C375 87-010-196-080 C-CAPACITOR,S 0.1-25 C186 87-010-322-080 C-CAP,S 100P-50 CH C376 87-010-263-080 CAP,ELECT 100-10V C187 87-010-322-080 C-CAP,S 100P-50 CH C377...
  • Page 7 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C588 87-015-695-080 CAP,E 1-50 7L 87-029-115-010 FUSE RESISTER 10-1/4W C590 87-015-695-080 CAP,E 1-50 7L S101 8Z-JU1-605-010 SW,RTRY MODE SWITCH C594 87-010-382-080 CAP,ELECT 22-25V S102 8Z-JU1-606-010 SW,LEAF REC SWITCH C595 87-010-401-080 CAP,ELECT 1-50V...
  • Page 8 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C613 87-A10-205-080 CAP,E 470-6.3 M SRG C931 87-010-178-080 C-CAP,S 1000P-50 K B C2012 C614 87-010-805-080 CAP,S 1-16 Z F C933 87-010-405-080 CAP,E 10-50 M ML SME C616 87-015-696-080 CAP,E 2.2-50 M 7L SRA C934 87-010-180-080...

  • Page 9: Chip Resistor Part Code

    REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION FB803 87-008-372-080 FILTER, EMI BLO1#RNN 87-035-454-010 FUSE,1.6A 250V T 218 FB851 87-008-372-080 FILTER, EMI BLO1#RNN 87-003-223-080 FERRITE BEAD BL02RN2 L801 87-005-430-080 COIL,6.8UH K FLR50 87-033-213-080 CLAMP,FUSE PFC500 L802 87-005-432-080 COIL,10UH K FLR50 87-033-213-080...

  • Page 10: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B E C B B C E 2SA933AS 2SC3708ST 2SB1237 PT493F 2SC1741AS 2SB1443 E C B E C B 2SA1037 DTC144EK 2SB1436 2SD1858TV2 2SC2412K KRA104S DTA114EK KRC102S DTC114EK DTC143TK – 10 –...
  • Page 11 FL (10-MT-113G) GRID ASSIGNMENT & ANODE CONNECTION GRID ASSIGNMENT ANODE CONNECTION – 11 –...

  • Page 12: Wire Harness Diagram

    WIRE HARNESS DIAGRAM – 12 –...
  • Page 13 BLOCK DIAGRAM – 1 (SYSCON / SERVO) – 13 –...
  • Page 14 BLOCK DIAGRAM – 2 (VIDEO) – 14 –...
  • Page 15 BLOCK DIAGRAM – 3 (HIFI / THEATRE) NOT USE WIDE – 15 –...
  • Page 16 BLOCK DIAGRAM - 4 (TUNER) – 16 –...
  • Page 17 BLOCK DIAGRAM - 5 (MPX) – 17 –...
  • Page 18 BLOCK DIAGRAM – 6 (CANAL) WIDE SWITCH Q610 – 18 –...
  • Page 19 BLOCK DIAGRAM - 7 (POWER/ PS) – 19 –...
  • Page 20 WIRING - 1 (MAIN) – 20 –...
  • Page 21 SCHEMATIC DIAGRAM-1 (MAIN 1/4 : SYSTEM SECTION) – 21 –...
  • Page 22 SCHEMATIC DIAGRAM-2 (MAIN 2/4 : VIDEO SECTION) – 22 –...
  • Page 23 SCHEMATIC DIAGRAM-3 (MAIN 3/4 : HIFI SECTION) – 23 –...
  • Page 24 WIRING - 2 (FR1 / FR2 / MPX / REAR) – 24 –...
  • Page 25 SCHEMATIC DIAGRAM - 4 (FR1/ FR2) – 25 –...
  • Page 26 SCHEMATIC DIAGRAM - 5 (REAR 1/ 2 : THEATRE SECTION) – 26 –...
  • Page 27 SCHEMATIC DIAGRAM - 6 (REAR 2/ 2 : CANAL SECTION) – 27 –...
  • Page 28 WIRING - 3 (TUNER / PS) – 28 –...
  • Page 29 SCHEMATIC DIAGRAM - 7 (TUNER) – 29 –...
  • Page 30 SCHEMATIC DIAGRAM - 8 (MAIN 4/4 : POWER SECTION) – 30 –...
  • Page 31 SCHEMATIC DIAGRAM - 9 (PS) – 31 –...
  • Page 32 SCHEMATIC DIAGRAM - 10 (MPX) – 32 –...
  • Page 33 WAVEFORM <VIDEO SECTION> IC301 PIN 10 (SDA-R) MODE: REC IC401 PIN 14 (JOG VD MODE: PB IC301 PIN 63 (PB YFM) MODE: PB IC301 PIN 24 (C CCD OUT) MODE: PB IC301 PIN 11 (SCL-R) IC401 PIN 14 (BLANK) NORM NORM 2V/div 2V/div...
  • Page 34 IC101 PIN 78 IC101 PIN 55 MODE: Power ON IC101 PIN 83 IC101 PIN 34 MODE: P1 PB IC101 PIN 54 (not always same waveform) IC101 PIN 33 IC101 PIN 68 IC101 PIN 67 (not always the same waveform) 1V/div 10µS/div 5V/div 2V/div...
  • Page 35 IC101 PIN 32 MODE: P1 PB IC101 PIN 39 MODE: P1L PB CN103 PIN 4 MODE: P1 PB C463 (-) NORMAL TO H IC101 PIN 39 IC101 PIN 40 IC104 PIN 27 CHECK LAND IC101 PIN 37 IC101 PIN 41 2V/div 5/div 5mS/div...
  • Page 36 IC551 PIN 38,39,45,47 MODE: EE <POWER SECTION> <MPX SECTION> INPUT: 1kHz, -8dBm ZWEITON ST or BIL <EH ONLY> NON-NICAM and ZWEITON C956 (-) ( Right CH) INPUT: 1kHz : 27kHz/div IC1 PIN 3 MODE: Power ON C995 (-) or C956 (-) INPUT: 1kHz : 27kHz/div 0.5V/div 200V/div...
  • Page 37 IC1 PIN 1 MODE: Power ON PT1 PIN 14 MODE: Power ON IC851 PIN 13 (PDC V) 0.0 % LINES 2V/div 10V/div 0.2V/div 5µS/div 5µS/div 20µS/div 200m ~ 5µs 5µs 10µs IC1 PIN 1 MODE: Power SAVE PT1 PIN 14 MODE: Power SAVE 2V/div 10V/div...

  • Page 38: Ic Block Diagram

    IC BLOCK DIAGRAM – 38 –...
  • Page 39 SERVICE MODE 1. Starting the Service Mode 2. Releasing the Service Mode c) Top/End Sensor Information Short the service jumpers on the front C.B to start the service If the mode switching operation is performed after starting, Code Top/End Information mode.

  • Page 40: Electrical Adjustment

    ELECTRICAL ADJUSTMENT Light FL101 TOP VIEW CN301 CN301 5. TR-RST 4. C-SYNC 3. HSW-V 2. GND 1. PB RF 2. Service Mode 2 Display for the drum's revolution time (Displayed in decimal number) TUNER Mechanism SERVICE MODE NO. 2 BLINKS. FL101 NOTE : Adjust switching position after reassembling mechanism assy.
  • Page 41 IC DESCRIPTION IC, TMP93CW76F-1A78,TMP93CW76F-1A77 Pin No. Pin Name Description Pin No. Pin Name Description CANAL decoder detection input. L: when detected. LOAD Output terminal to loading motor rotation control. ADGND – A/D GND STOP Forward Reverse Break ADREF – A/D reference voltage. LOAD SPDATA Serial data signal from TC4021.
  • Page 42 IC, MSP3417D IC, SDA5650P–DIP–14 Pin Name Description Pin No. 1,21~22,27,28 TP (NC) – Test Pin. Pin No. Pin Name Description – Ground (0V). 2, 19, 26, 32 – Not connected Serial clock input of I C Bus. D CTR OUT1 (NC) Digital control output1.

  • Page 43: Voltage Chart

    VOLTAGE CHART IC 101 (TMP93CW76F) PIN NO. PIN NO. PIN NO. PIN NO. -5.6 IC 102 (S-80827ANNP-EDQ) PIN NO. IC 103 (S-24C08AFJA) PIN NO. IC 105 (TA7291S) PIN NO. 14.7 14.4 14.4 14.7 14.4 14.4 14.7 14.4 14.4 IC 104 (LA7123) PIN NO.
  • Page 44 PIN NO. PIN NO. Q102 (2SB1443) PS 101 (SNSR, GP1S566) PIN NO. 26.4 25.9 25.9 14.6 11.0 11.1 13.1 12.1 12.2 14.6 11.0 11.1 14.6 11.0 11.1 26.3 25.9 25.9 Q113 (2SC2412K) PS 102 (SNSR, GP1S566) Q103, 104 (2SC2412KR) PIN NO. Q105 (PT493F) IC 107 (TC4094BF) PIN NO.
  • Page 45 IC701 (NJL68H380) Q603 (KRC104S) PIN NO. PB WIDE=OSD MENU ASPECT RATIO ----16:9 P OFF P ON PB WIDE Q601 (KRC104S) P OFF P ON PB WIDE Q701 (2SD1858) 11.4 D603 (HZS12A1) P OFF P ON PB WIDE 11.8 10.1 Q702 (2SC2412KR) IC 702 (TC4021) PIN NO.

  • Page 46: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 SHLD-PLATE, MPXB SHLD- SHLD-PLATE, PLATE,PS MPXB SHLD-PLATE, CABI,MAIN PIN JACK SHLD-PLATE, SHLD-PLATE, HV-FX8700 EHM BTTM (FileName:EXP.EPS) 2000/3/24 AJU-1 – 46 –...

  • Page 47: Mechanical Parts List

    VT2+3-12 W/O GOLD 7 8A-JU1-001-010 CABI,FR D 87-078-070-010 BVIT3B+4-12 8 8A-JU1-018-010 PLATE,BBE E 87-067-716-010 TAPPING SCREW, BVTT+3-6 9 87-B00-002-010 BADGE,AIWA 30 ABS SIL F 87-078-180-010 BVT2+3.5-12(BLK) 10 8Z-JU1-016-010 WINDOW,LED G 87-067-660-010 TAPPING SCREW, BVT2+3-8 11 8Z-JU2-014-010 KEY,DEMO 2 H 87-067-761-010...
  • Page 48 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 912204 0251431 Printed in Singapore...

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