Panasonic RQ-SX59EG / RQ-SX59EB Service Manual ▷ View online
9 Printed Circuit Board Diagram
TP74
TP4
TP6
C37
C36
C40 C41
C42
R28
R27
R25
R26
R61
C35
C39
Q5
Q6
C
E
B
C
B
E
Q13
Q12
R42
R43
R44
R37
R38
R57
R36
J3
R50
R62
R15
R12
R20
C7
C8
C12
C20
C1
C5
C2
C11
C10
C14
C25
C22
C26
C32
C3
C15
C9
R3
R6
R13
R9
R14
R2
R8
R4
R19
R18
C33
C34
C28
C29
C48
R46
R16
J1
R59
R33
E
C
B
Q8
Q10
E
C
B
Q14
C45
D4
C16
C17
IC1
1 3 5 7
10
11
14
16
20
1
4
2
3
R47
IC4
1
2
3
Q1
E
B
C
(OPR/BATT)
Z2
C
E B
R5
SW2
D2
VR1
SW6
SW7
(REW)
(PLAY/STOP)
(FF)
L
C
R
V
G
D
C31
B E
C
E B
C
(A-B REPEAT)
1
2
5
6
3
4
+
_
RESET
TP8
TP18
TP7
TP60
TP44
TP63
TP79
TP64
TP80
TP54
TP62
V
U
W
VCC
C46
C47
C27
R39
R40
R24
R53
R52
J2
R64
R63
R65
R69
R68
Q15
C
E
B
Q16
E
B
C
IC7
2
1
3
SW5
D5
(S-XBS)
Q9
E B
C
TP
42
A
B
C
D
E
F
G
H
TP98
A
MAIN P.C.B. (SIDE: A)
RQ-SX59(EG/EB) MAIN P.C.B.
HEADPHONES
MOTOR
This circuit board diagram may be modified at any time with
the development of new technology.
the development of new technology.
3
1
2
3
4
5
6
2
1
4
PLAYBACK
HEAD
HEAD
B
HEAD
P.C.B
P.C.B
RECHARGEABLE BA
TTER
Y
1.2V
C70
C71
Q17
B
B
E C
C
Q18
C
E B
J7
C60
C61
13
RQ-SX59EG / RQ-SX59EB
C43
C18
C69
C54
C67
R29
R30
R31
R32
R35
R34
R41
R67
R52
R58
R49
R51
R21
C24
C30
C51
C44
R11
C13
R10
R7
C6
C4
C21
C23
C55
C19
C50
C49
C
E B
Q2
C
E B
C
E B
Q3
Q4
C
E B
D7
L2
IC6
2
1
3
IC2
20
24
25
30
33
36
37
40
48
45
12
10
10
1
5
13
15
VR2-1
VR2-2
IC3
1
5
8
9
12
16 14
17
20
22
24
3
25 27
30 32
X1
R17
R1
Z1
Q11
3
1
2
4
SW1
SW4
HOLD
C38
J4
J5
R60
R56
R54
R48
R66
R45
C
E B
Q7
10
11
12
A
MAIN P.C.B.(SIDE:B)
RQ-SX59(EG/EB) MAIN P.C.B.
VOLUME
A
B
C
D
E
F
G
H
S1
BATTERY CASE
BASTTERY
1.5V (R6/LR6
"AA")
1.5V (R6/LR6
"AA")
ON C
OFF
ICP1
14
RQ-SX59EG / RQ-SX59EB
10 Type Illustration of ICs, Transistors and Diodes
No.1
TA2123AF
C2ABDB000069
C2ABDB000069
48PIN
32PIN
32PIN
MM1279XVBE
E
C
B
C0EBD0000066
C0DBAFD00011
C0DBAFD00011
2
3
1
2
3
1
MA2S72800L
LTSTC170CKTP
Anode
Cathode
A
Ca
Anode
Cathode
2SD1819ASTX
B1ADMB000003
2SB815B6TB
B1ADMB000003
2SB815B6TB
No.1
B3ABB0000165
1
3
2
4
CNB1002005AU
CNB1002007AU
CNB1002007AU
C0EBC0000034
MA2SD1000L
UN511LTXTX
UNR5216RTX
UNR511000L
UNR521300L
UNR511000L
UNR521300L
2SB815B7TX
D
S
B1DFCC000008
G
C
B
C
E
B
C
B
C
E
FMG8AT148
UNR511M00L
UNR511400L
UNR511400L
11 Measurements and Adjustments
11.1. Adjustment Instructions
READ CAREFULLY BEFORE ATTEMPTING ADJUSTMENT
1. Set volume control to maximum.
3. Release the hold state.
4. Set power source voltage to 1.25V ~ 1.35V DC.
3. Release the hold state.
4. Set power source voltage to 1.25V ~ 1.35V DC.
· Control Positions and Equipment Used
1.Frequency counter
· Tape Section
ITEM
TEST TAPE
MEASUREMENT POINT
ADJUSTMENT
POINT
PROCEDURE
Tape speed
adjustment
QZZCWAT (3
kHz, -10 dB)
kHz, -10 dB)
Connect the frequency
counter to headphones jack
(80
Ω) (Refer to Fig.1)
VR1 (Refer to
Fig.2)
Playback the centeral part of the tape and adjust VR1 so
that the tape speed is as follow. Forward:3015 ± 15 Hz,
Reverse:2975 ~ 3055 Hz, Make sure that the frequency
range in with in ± 60 Hz for between “Forward” and
“Reverse” mode.
that the tape speed is as follow. Forward:3015 ± 15 Hz,
Reverse:2975 ~ 3055 Hz, Make sure that the frequency
range in with in ± 60 Hz for between “Forward” and
“Reverse” mode.
11.2. Adjustment Points
Note:
1.The Playback head is supplied on the head arm assembly.(See the Mechanism parts Location)
2.The assembly requires no adjustment.
1.The Playback head is supplied on the head arm assembly.(See the Mechanism parts Location)
2.The assembly requires no adjustment.
15
RQ-SX59EG / RQ-SX59EB
12 Terminal Function Of IC’s
· IC3 (C2ABDB000069): Mechanism Control
Pin No.
Mark
I/O
Function
1
NC
—
Not connected
2
MUTE
I/O
Muting signal output
3
XBS -
OFF
I/O
S-XBS control signal output
4
BEEP
I/O
Beep signal output
5
TPS.IN
I/O
TPS control signal input
6
REEL F.
I
FWD reel pulse input
7
CAM
MODE
I
Cam mode TPS control signal
input
input
8
TAPE ON
I
Cassette tape insert signal input
(L=tape is inserted, H=Tape is not
inserted)
(L=tape is inserted, H=Tape is not
inserted)
9
RESET
I
Rrset signal input
10
CN Vss
—
GND
11
X OUT
O
Crystal OSC terminal (800kHz)
12
X IN
I
Crystal OSC terminal (800kHz)
13
Vss
—
GND
14
VDD
—
Power supply
15
VDCE
—
GND
16
DIS
HARGE
I/O
Battery condition detect signal
output
output
17
TEST
I/O
Tset mode control
18
A INO
I
No used,connected to VDD
19
A IN 1
I
FWD/REV detect signal input
20
A IN 2
I
Operation switch signal input
21
A IN 3
I
BATT check signal input
22
POWER
OFF
I/O
Power control signal output
23
MOTOR
I/O
Motor drive signal output
24
M.CCW
I/O
Motor control signal output
25
BRK
I/O
Motor speed control signal output
26
CAM- CTL
I/O
Solenoid drive signal output
27
FWD /
REV
I/O
Power AMP FWD/REV conter
signal output
signal output
28
T.PLS C
I/O
Power control signal output (for
photocoupler)
photocoupler)
29
NC
—
Not connected
30
E/MET
O
E/MET ON signal output
31
NC
—
Not connected
32
S-XBS/
LED
O
XBS/LED ON signal output
13 Supply of Rechargeable
Battery as Replacement
Parts
Parts
· Please take note of the following points relating to Carrying
Case to be used for protection of Rechargeable Battery
from shorting.
from shorting.
Replacement Parts:
· Rechargeable Battery (HHF-AZ09EMST) to be supplied will
be provided with Carrying Case (RFCT0005-H).
· No replacement parts will be supplied for Rechargeable
Battery without Case.
· Replacement parts will be supplied for Carrying Case
(RFCT0005-H) without Rechargeable Battery.
· To your customers, delivery Rechargeable Battery together
with Carrying Case to prevent shorting accidents that may
occur when Rechargeable Battery is carried about without
Carrying Case.
occur when Rechargeable Battery is carried about without
Carrying Case.
14 Caution in Use of
Rechargeable Battery
· Take Rechargeable Battery out of Carrying Case and use
iy. Be sure to carry Rechargeable Battery in this Carrying
Case. If not, may either head or ignite by shorting with a
metal.
Case. If not, may either head or ignite by shorting with a
metal.
16
RQ-SX59EG / RQ-SX59EB
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