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Toshiba 34HF84 Schematic Diagram
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Toshiba 34HF84 Schematic Diagram

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SCHEMATIC DIAGRAM
WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY
PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL.
CAUTION: The international hazard symbols "
which have special characteristics important for safety and should be replaced only with types identical to those in the
original circuit or specified in the parts list. The mounting position of replacements is to be identical with originals.
Before replacing any of these components, read carefully the PRODUCT SAFETY NOTICE on the MANUAL for this
model. Do not degrade the safety of the receiver through improper servicing.
NOTE:
1. RESISTOR
Resistance is shown in ohm [K = 1.000, M = 1.000.000]. All resistors are 1/6W and 5%
tolerance carbon resistor, unless otherwise noted as the following marks.
1/2R = Metal or Metal oxide of 1/2 watt
1RF = Fuse resistor of 1 watt
K = 10%
2. CAPACITOR
Unless otherwise noted in schematic, all capacitor values less than 1 are expressed in
F, and the values more than 1 in pF.
All capacitors are ceramic 50V, unless otherwise noted as the following marks.
3. The parts indicated with "
4. Voltages read with DIGITAL MULTI-METER from point indicated to chassing ground, using a color bar signal with all
controls at normal, line voltage 220 volts.
5. Waveforms are taken receiving color bar signal with enough sensitivity.
6. Voltage reading shown are nominal values and may vary 20% except H.V.
SCHEMATIC DIAGRAM STRUCTURE:
SIGNAL
BACK AV
2TN-IMA
FRONT AV ............................................................................................................................ 13/20
KEY ........................................................................................................................................ 14/20
POWER SW .......................................................................................................................... 15/20
G-HYPER ............................................................................................................................... 16/20
A-OUT
IR-PASSTHROURGH ............................................................................................................ 19/20
WIRING CONNECTION DIAGRAM ..................................................................................... 20/20
MODEL : 32HL83
" in the schematic diagram and the parts list designate components
G = 2%
F = 1%
Electolytic capacitor
" have special characteristics, and should be replaced with identical parts only.
( 1/8 )
AV-1
vs.AV
AV-2
AV-3
VARI-OUTPUT / HDMI-Mute
SYNC OUT
HP-AMP&MUTE
BACK-AV1
BACK-AV3
2TN-IMA
AUDIO GAIN COMPENSATION
( 1/2 )
( 2/2 )
1/2S = Carbon compsistion of 1/2 watt
10W = Cement of 10 watt
Mylar capacitor
[ SHEET - 1 ] ..................... 1/20
[ SHEET - 2 ] ..................... 2/20
[ SHEET - 4 ] ..................... 3/20
[ SHEET - 6 ] ..................... 4/20
[ SHEET - 7 ] ..................... 5/20
[ SHEET - 8 ] ..................... 6/20
[ SHEET - 9 ] ..................... 7/20
[ SHEET - 10 ] ................... 8/20
[ SHEET - 1 ] ..................... 9/20
[ SHEET - 2 ] ................... 10/20
[ SHEET - 1 ] ................... 11/20
[ SHEET - 2 ] ................... 12/20
[ SHEET - 1/2 ] ................ 17/20
[ SHEET - 2/2 ] ................ 18/20

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Summary of Contents for Toshiba 34HF84

  • Page 1 SCHEMATIC DIAGRAM MODEL : 32HL83 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols " " in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 2 – 39 –...
  • Page 3 IMPORTANT The parts which are indicated with broken lines are restricted to distribute outside. 32HL83 SIGNAL - (1/8) [SHEET-1](1/20)
  • Page 5 IMPORTANT The parts which are indicated with broken lines are restricted to distribute outside. 32HL83 SIGNAL - (1/8) [SHEET-1](1/20)
  • Page 6 32HL83 SIGNAL - AV-1 [SHEET-2](2/20)
  • Page 8 32HL83 SIGNAL - AV-1 [SHEET-2](2/20)
  • Page 9 For lightning 32HL83 SIGNAL - vs.AV [SHEET-4](3/20)
  • Page 10 For lightning...
  • Page 11 32HL83 SIGNAL - vs.AV [SHEET-4](3/20)
  • Page 12 32HL83 SIGNAL - AV-2 [SHEET-6](4/20)
  • Page 14 32HL83 SIGNAL - AV-2 [SHEET-6](4/20)
  • Page 15 32HL83 SIGNAL - AV-3 [SHEET-7](5/20)
  • Page 17 32HL83 SIGNAL - AV-3 [SHEET-7](5/20)
  • Page 18 32HL83 SIGNAL - VARI-OUTPUT/HDMI-Mute [SHEET-8](6/20)
  • Page 20 32HL83 SIGNAL - VARI-OUTPUT/HDMI-Mute [SHEET-8](6/20)
  • Page 21 32HL83 SIGNAL - SYNC OUT [SHEET-9](7/20)
  • Page 23 32HL83 SIGNAL - SYNC OUT [SHEET-9](7/20)
  • Page 24 32HL83 SIGNAL - HP-AMP&MUTE [SHEET-10](8/20)
  • Page 26 32HL83 SIGNAL - HP-AMP&MUTE [SHEET-10](8/20)
  • Page 27 32HL83 BACK AV - BACK-AV1 [SHEET-1](9/20)
  • Page 29 32HL83 BACK AV - BACK-AV1 [SHEET-1](9/20)
  • Page 30 For lightning 32HL83 BACK AV - BACK-AV3 [SHEET-2](10/20)
  • Page 31 For lightning...
  • Page 32 32HL83 BACK AV - BACK-AV3 [SHEET-2](10/20)
  • Page 33 INPUT (SPK terminal) (POWER UNIT) (VIDEO1 GND) GND for Screw metal fittings GND for Screw metal fittings 32HL83 2TN-IMA [SHEET-1](11/20)
  • Page 34 INPUT (SPK terminal) (POWER UNIT) (VIDEO1 GND) GND for Screw metal fittings GND for Screw metal fittings...
  • Page 35 32HL83 2TN-IMA [SHEET-1](11/20)
  • Page 36 Pin of MA module 32HL83 AUDIO GAIN COMPENSATION [SHEET-2](12/20)
  • Page 37 Pin of MA module...
  • Page 38 32HL83 AUDIO GAIN COMPENSATION [SHEET-2](12/20)
  • Page 39 SUB-SCREEN HEADPHONE EARPHONE 32HL83 FRONT AV(13/20)
  • Page 40 SUB-SCREEN EARPHONE HEADPHONE...
  • Page 41 32HL83 FRONT AV(13/20)
  • Page 42 32HL83 KEY(14/20)
  • Page 44 32HL83 KEY(14/20)
  • Page 45 32HL83 POWER SW(15/20)
  • Page 47 32HL83 POWER SW(15/20)
  • Page 48 32HL83 G-HYPER(16/20)
  • Page 50 32HL83 G-HYPER(16/20)
  • Page 51 32HL83 A-OUT - (1/2) [SHEET-1/2](17/20)
  • Page 53 32HL83 A-OUT - (1/2) [SHEET-1/2](17/20)
  • Page 54 The surface patterns under Q610 and Q6100 should be GND, and make many more through-holes between suface GNDs as much as possible. AUDIO OUTPUT(R/L) Corresponded to shielding (should be enclosed with GND) (Screw: Chassis GND) 32HL83 A-OUT - (2/2) [SHEET-2/2](18/20)
  • Page 55 The surface patterns under Q610 and Q6100 should be GN through-holes between suface GNDs as much as possible. Corresponded to shielding (should be enclosed with GND) (Screw: Chassis GND)
  • Page 56 be GND, and make many more sible. AUDIO OUTPUT(R/L) 32HL83 A-OUT - (2/2) [SHEET-2/2](18/20)
  • Page 57 32HL83 IR-PASSTHROURGH(19/20)
  • Page 59 32HL83 IR-PASSTHROURGH(19/20)
  • Page 60 32HL83 WIRING CONNECTION DIAGRAM(20/20)
  • Page 68 32HL83 WIRING CONNECTION DIAGRAM(20/20)
  • Page 69 SPECIFICATIONS Television System TheaterLink NTSC standard OUTPUT: 3 V(p-p), 10k ohm Dimensions Channel Coverage Width : 32-9/32 inches (820 mm) VHF: 2 through 13 Height : 18-37/64 inches (472 mm) UHF: 14 through 69 Depth : 5-25/64 inches (137 mm) Cable TV: Mid band (A-8 through A-1, A through I) Super band (J through W) Mass (weight)