DOWNLOAD Panasonic RQ-SX83VGCS / RQ-SX83VGD Service Manual ↓ Size: 1.71 MB | Pages: 27 in PDF or view online for FREE

Model
RQ-SX83VGCS RQ-SX83VGD
Pages
27
Size
1.71 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / MINI CASSETTE
File
rq-sx83vgcs-rq-sx83vgd.pdf
Date
PREV: Panasonic RQ-SX82V (serv.man2) Service Manual / Supplement

Panasonic RQ-SX83VGCS / RQ-SX83VGD Service Manual ▷ View online

4.4. Check the main P.C.B. (B side)
as show below
4.5. Replacement for the
intermediate ornament (A),
intermediate ornament (B),
intermediate ornament (C) and
open knob ass’y
9
RQ-SX83VGCS / RQ-SX83VGD
4.6. Replacement for the head
block ass’y
10
RQ-SX83VGCS / RQ-SX83VGD
5 Check Point of Signal
CHECK  ITEM
TEST  POINT
HEAD
FWD  Lch
FWD  Rch
REV  Lch
REV  Rch
VREF
DOLBY  OUT
VOLUME  VR
Lch
Rch
GND
POWER  AMP
Lch
Rch
GND
REEL  PULSE
PULSE
GND
HEADPHONES
JACK
HEADPHONES
JACK
HEADPHONES
JACK
GND
TP13
TP12
TP9
TP10
TP11
TP14
TP19
TP20
TP37
TP36
TP38
TP6
TP21
TP32
6 Schematic Diagram Notes
11
RQ-SX83VGCS / RQ-SX83VGD
7 Schematic Diagram
IC4
LB11675V
MOTOR DRIVE
C159
0.33
C144
ZF2.2
R93
24K
VR2
10K(B)
D12
MA2SD1000L
R92
39K
C150
0.22
R98
100K
C157
0.033
R96
10K
R103
270
1
2
3
4
5
6
7
8
9
10
11
24
23
22
21
20
19
18
17
16
15
14
12
13
V
U
START
P GND
GND
Vcc1
OSC
VREF
VSP
IN+
OUT
RI
TC1
TC2
PW
PU
PV
DR
FC
COM
P GND
NC
NC
W
A
B
C
E
TP9
TP10
TP13
TP12
FWC1
C33
680P
C32
680P
C40
680P
C41
680P
7
6
3
2
1
4
5
MOTOR
R94
18K
R91
470K
D
F
L
R
G
TP4
(MOTOR)
TAPE SPEED
ADJ.
1.4V
1.4V
0.2V
1.4V
1.4V
1.4V
1.4V
1.4V
1.4V
1.4V
0V
0V
0V
0V
0V
0V
MAIN CIRCUIT
A
SCHEMATIC DIAGRAM 1
:POSITIVE VOLTAGE LINE
:PLAY BACK SIGNAL LINE
CCW
MOT
OR
 - ON
SPEED
1
6
5
3
4
2
PLAYBACK
HEAD
REV
FWD
FWD
REV
R ch
L ch
1
8
7
6
4
5
3
2
1
6
5
3
4
2
B
HEAD CIRCUIT
TP14
TP11
C7
2.5V150
A
B
D
RQ-SX83V MAIN CIRCUIT DIAGRAM
1
2
3
4
5
6
A
B
C
D
E
F
G
H
12
RQ-SX83VGCS / RQ-SX83VGD
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