Panasonic CQ-EH8484A Service Manual ▷ View online
1
FEATUERS
2
2
WIRING CONNECTION (Tape Deck)
2
3
BLOCK DIAGRAM (Tape Deck)
2
4
ALIGNMENT INSTRUCTIONS
3
1 FEATUERS
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The specifications are based on the main unit.
2 WIRING CONNECTION
(Tape Deck)
5
TAPE PLAYER PARTS
4
6
EXPLODED VIEW (Tape Deck)
5
7
WIRING DIAGRAM
6
8
SCHEMATIC DIAGRAM (Tape Deck)
8
3 BLOCK DIAGRAM (Tape
Deck)
CONTENTS
Page
Page
2
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Power Supply Voltage : DC13.2V
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•
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Output Impedance : 4
Ω
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•
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Output Power : 0.5W
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Balance, Fader Control : Center
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Bass, Treble Control : Center
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Dolby NR: OFF
4 ALIGNMENT INSTRUCTIONS
4.1. Alignment Conditions
Note :
Do not align the FM/AM package block. When the package block is necessary, it will be supplied already aligned at the
factory.
factory.
4.2. Dolby NR Alignment
Step
Alignment Item
Test Tape
VTVM Connection
Adjust
Remarks
(1)
DOLBY NR Rch
RFKZ0038
TP201
VR201
Adjust for 388mV ±1.0dB
(2)
DOLBY NR Lch
RFKZ0038
TP301
VR301
Adjust for 388mV ±1.0dB
4.3. Alignment Points
3
5 TAPE PLAYER PARTS
Ref.
No.
Part No.
Part Name & Description
Remarks
[8790A] Tape Dolby Block
IC AND TRANSISTOR
IC1
C1BB00000100
IC
Q401
YEANC114YKX
Transistor
CAPACITORs
C201
F1J1H331A672
Ceramic, 330PF 50WV
C202
F1J1H331A672
Ceramic, 330PF 50WV
C204
YECUS1H123KX
Ceramic, 0.012µF 50WV
C205
F1J1H333A429
Ceramic, 0.033µF 25WV
C206
YECUS1C104KX
Ceramic, 0.1µF 16WV
C301
F1J1H331A672
Ceramic, 330PF 50WV
C302
F1J1H331A672
Ceramic, 330PF 50WV
C304
YECUS1H123KX
Ceramic, 0.012µF 50WV
C305
F1J1H333A429
Ceramic, 0.033µF 25WV
C306
YECUS1C104KX
Ceramic, 0.1µF 16WV
C401
ECEA1CKS220I
Electrolytic, 22µF 16WV
C402
ECEA1AKS330I
Electrolytic, 33µF 10WV
C403
YECUV2A103KX
Ceramic, 0.01µF 100WV
C404
F1J1H3330006
Ceramic, 0.033µF 25WV
C405
ECEA1HKSR33I
Electrolytic, 0.33µF 50WV
C406
F1J1H472A675
Ceramic, 0.0047µF 50WV
C407
ECEA1CKS100I
Electrolytic, 10µF 16WV
C409
F1J1H472A675
Ceramic, 0.0047µF 50WV
C501
F1K1E334A022
Ceramic, 0.33µF 25WV
RESISTORs
R201
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R202
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R207
ERJ8GEYJ181V
Chip, 180
Ω
Ω
Ω
Ω
1/8W
R301
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R302
ERJ6GEYJ683
Chip, 68k
Ω
Ω
Ω
Ω
1/10W
R307
ERJ6GEYJ181
Chip, 180
Ω
Ω
Ω
Ω
1/10W
R402
ERJ6GEYJ183
Chip, 18k
Ω
Ω
Ω
Ω
1/10W
R403
ERJ6GEYJ473
Chip, 47k
Ω
Ω
Ω
Ω
1/10W
R404
ERJ8GEYJ334V
Chip, 330k
Ω
Ω
Ω
Ω
1/8W
R405
ERJ8GEYJ392V
Chip, 3.9k
Ω
Ω
Ω
Ω
1/8W
R406
ERJ6GEYJ273
Chip, 27k
Ω
Ω
Ω
Ω
1/10W
R408
ERJ8GEYJ223V
Chip, 22k
Ω
Ω
Ω
Ω
1/8W
R409
ERJ6GEYJ273
Chip, 27k
Ω
Ω
Ω
Ω
1/10W
R501
ERJ6GEYJ472
Chip, 4.7k
Ω
Ω
Ω
Ω
1/10W
CONNECTORs
CN1
YEAE012385
Connector, 17P
CN3
YEAESLW05R1
Connector, 5P
SWITCHes
SW1
K0J1CB000003
Leaf Switch
SW2
YEAS07174
Switch
SW3
YEAS08042
Switch
VARIABLE RESISTORs
VR201
EVNDXAA00B13
Variable Resistor
VR301
EVNDXAA00B13
Variable Resistor
[E8791] Tape Reel Block
DIODEs
TE1
CNA1312K01MC
Diode
TE2
CNA1312K01MC
Diode
CAPACITORs
C1
F1J1H471A672
Ceramic, 470PF 50WV
C2
F1J1H471A672
Ceramic, 470PF 50WV
C3
F1J1H471A672
Ceramic, 470PF 50WV
RESISTORs
R1
ERJ8GEYJ683V
Chip, 68k
Ω
Ω
Ω
Ω
1/8W
R2
ERJ8GEYJ683V
Chip, 68k
Ω
Ω
Ω
Ω
1/8W
R3
ERJ6GEYJ472
Chip, 4.7k
Ω
Ω
Ω
Ω
1/10W
R4
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
Ref.
No.
Part No.
Part Name & Description
Remarks
R5
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R6
ERJ8GEYJ472V
Chip, 4.7k
Ω
Ω
Ω
Ω
1/8W
R7
ERJ8GEYJ821V
Chip, 820
Ω
Ω
Ω
Ω
1/8W
R8
ERJ8GEYJ821V
Chip, 820
Ω
Ω
Ω
Ω
1/8W
CONNECTORs
CN2
YEAE0110TKCR
Connector, 10P
JP3
YGAJ071387A
CORD W/Connector
SWITCHes
SW4
K0F111B00047
Switch
SW5
K0G131E00001
Rotary Switch
Mechanical Parts
MISCELLANEOUS
1
YGFX0052472
Lock Plate Spring
2
YGFX0052454
Spring
3
YGFX0462100
Cassette Holder (U) Ass´y
4
YGFX0462104
Cassette Holder(L)
5
YGFA011830
Head Chassis Ass´y
6
YGFX234194
Cam
7
YGFX0052427
Back Tension Spring
8
YGFX209273
Reel (R) Ass´y
9
YGFX0052471
Holding Spring
10
YGJW04131
Washer
11
YGFX0052475
Rack Plate Spring
12
YGFX0031035
Rack Plate
13
YGFA011827
Main Chassis Ass´y
14
YGFX0052444
EQ Lever Spring
15
YGFW062546
Shaft
17
YGP9FZ2973
Head Ass´y
18
YGFX0462105
Lever
19
YGFX0052478
Vibration-proof Spring
20
YGFX0052477
Spring
21
YGFX239480
Cassette Guid Plate
22
YGFX0462097
PRO Change Plate
23
YGFX0031031
Idler Gear Plate (F) Ass´y
24
YGP0FX3845
Main Motor Ass´y
25
YGFX0052474
Rack Return Spring
26
YGFX218305
Pinch Roller (F) Ass´y
28
YGFX0031033
Idler Gear Plate (R) Ass´y
29
YGFX0462102
Rack Return Link
30
YGFW062600
Rack Return Link Shaft
31
YGFX218306
Pinch Roller (R) Ass´y
32
YGFX213213
Flywheel Ass´y
33
YGFX0031001
Drive Gear (2)
34
YGFX0031004A
Play Idler Gear
35
YGFX014075
Lock Ling
36
YGFX003970
Gear
37
YGJT03250
Gear Shaft
38
YGFX0052446
Idler Gear Plate Spring
39
YGFX0031030
Worm Gear
40
YGP0FX3846
Loading Motor Ass´y
41
YGFX030102
Worm Gear Stopper
42
YGFX0031026
Drive Gear (3)
43
YGFA011851
Drive Chassis Ass´y
46
YGFX209272
Reel (F) Ass´y
47
YGFX0052473
Pinch Roller Spring
50
YGFX003971
PRO Change Gear
52
YEFR03083
Belt
54
YGFX0031029
Drive Gear
61
YEJE01004
E-Ring
62
YEJE01036
E-Ring
64
XYN2+C8FX
Screw, 2 x 8mm
65
YEJT03167
Screw
66
YEJS06097A
Screw, 2 x 2.5mm
67
YGJT03271
Screw,
4
6 EXPLODED VIEW (Tape Deck)
5
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