Panasonic RX-5120LS Service Seite 9

s RX-5120LS
Stu
R342
22
(9
R22
- 2 cg/C227
i5É
Ct23
025
LED METER CIRCUIT BOARD
R3f4
0101
0201 c
0.7V
POWER CIRCUIT
IC302
REC & PLAYBACK
12V 10 3.2V
2 6.4vh1 0.5v
ov 12; 3.1v
4 MI. 1v 13, 3.2v
5 1.4v'1Åi1.46V
7 3.iv ov
d, 2.1 v
ov 11.79v
(L ch)
0303
EXT. MIC
B i 7.2Vz
TONE CIRCUIT
CfS2
EXT.SP
Rf24
(Lch)
Rt25
C232
R225
(RCFL)
Clf?
Rig
C2f8
HEAD
PHONE
IC303
BATTERY POSITION
0.65V 2 0.12V 3 n.12V 4 18.95V5 2.83\/i 6
ov 8 OV 9 •o.23V10 7.4V
13 7.4v 14 7.4v 15 3.14 v 16 3.93\/
0305 DaocP307 D309 + D810 D f
RX-5120LS
20LS
Notes:
1. S101-1N101-9
2. S102-1nuS1026
3. S103
BOARD
4. S104-1NS104-3
5. S105
6. S106-fnuS10&2
7. S108
8. S109
9. SII&1rvS110-3
10. VR101,201
VR202
VR103, 203
VR104, 204
f32D•3L 03B
VR301 ....
11. Themark(V)showstest point. e .g.V =Testpoint1.
12.DC voltage measurements
13. Batterycurrent:Nosignal .....
14. indicates thatonlyparts specified bythemanufacture
BOARD
R233
C2tq
RES
IC303
16
5.82vi12
5.82V
8
.Record/playback switch(shown in playback position).
Functionswitch (shownin tape position).
I...TAPE, 2...RADlO
.Meter switch (shown in OFF position).
1.. .OFF, BATTERY/TUNING,
. ... Tapeselect switch (shownin normalposition).
1...NORMAL, 2 ...FeCr,3...Cr02
Beat proof switch (shownin I position).
1...1, 2...11
Motor ONIOFFswitch (shownin OFFposition).
.AC/DCselectswitch (shownin DCposition).
.. Voltage select switch.
.DIN/MIC switch.
I...MIC, 2...DlN
.. Bias current adjustment VR.
... Playback level adjustment VR.
Volume control.
.. Tone control.
.
..... ..... ......Meter level adjustment VR.
are taken w ith electronics voltmeter from negative terminal ofbattery.
..FMSTEREO p osition, [ l.. Battery position, 0101, 2 01, 3 01 . ..Record position.
...................120mA
Maximum
... ...1.1 A
Maximum (Tape)
beused forsafety.
IC303
15
13
0101, 201,301,
IC301
302, 303
Anode
Anode Cathode
Cathode
IC302
0301
0304-311
COMP
OMP4 COM p
OMP
14
13 11
LEVEL
Cathode
Anode
DOI, 201, 303,
312-317
BOTTOM VIEW
OG06öo ao o OGO 6öo
132132/32132/32132/32'32!32/32
42
Sfoa
S/04-t
—EEn
S/0S