RX-M70M3GC, RX-M70M3GU, RX-M70M3GS, RX-M70M3GS1 - Panasonic Audio Service Manual Supplement (repair manual)

rx-m70m3gc, rx-m70m3gu, rx-m70m3gs, rx-m70m3gs1 service manual supplement
Model
RX-M70M3GC RX-M70M3GU RX-M70M3GS RX-M70M3GS1
Pages
7
Size
717.83 KB
Type
PDF
Document
Service Manual Supplement
Brand
Device
Audio / RADIO CASSETTE RECORDER
File
rx-m70m3gc-rx-m70m3gu-rx-m70m3gs-rx-m70m3gs1.pdf
Date

Read Panasonic RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1 Service Manual Supplement online

 1 
Purpose 
2
 2 
How to distinguish Main P.C.B version 
2
 3 
Changing Parts Information On Main P.C.B 
2
RX-M70M3GC
RX-M70M3GU
RX-M70M3GS
RX-M70M3GS1
Colour
(K) .... Black Type
(R) .... Red Type
 4 
Schematic Diagrams 
3
 5 
Printed Circuit Board 
5
Radio Cassette Recorder
Subject : Change of Main P.C.B
Please use this service manual together with the service manual for Model No.[RX-M70M3GC/GU/GS/GS1-
K/R, Order No. MD0704069CE].
CONTENTS
 Page 
Page
ORDER NO. MD0707061SE
1 Purpose
Information of change in schematic & P.C.B diagrams according to change of Main P.C.B.
2 How to distinguish Main P.C.B version
The Main P.C.B is change into from or :
Note : Refer to section 6.9 of original service manual for the contents disassembly of main P.C.B.
3 Changing Parts Information On Main P.C.B
Table 1 shows the differences for different version of the Main P.C.B.
Main P.C.B Part No : REPN0051A (GC/GU/GS) / REPN0051B (GS1)
Old Version (RJBN0058A)
NEW Version (RJBN0058A-1)
Remarks
C12 (Part No : F1H1H2200008)
-
DELETE [M] (GS1 only)
-
CT10 (Part No : RCVNMB07H01M) ADD [M] (GS1 only)
-
R251 (Part No : ERJ3GEYJ563V)
ADD [M]
-
R252 (Part No : ERJ3GEYJ153V)
ADD [M]
-
C15 (Part No : ECJ1VC1H0200)
ADD [M]
Table 1
Note : Refer to section 5 (P.C.B diagram) of this document for the parts location mentioned above in Table 1.
2
RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1
4 Schematic Diagrams
4.1. MAIN CIRCUIT, MIC CIRCUIT, POWER CIRCUIT and BATTERY CIRCUIT
D301
D302
D303
D304
T1.25A  250V 
 F301
 FH902  FH901
T301
T301
G4CYAYY00092
POWER TRANSFORMER 
SW301
VOLTAGE SELECTOR
AC IN
110-127V
220-240V
50/60Hz
W301
C302
0.01
C304
0.01
C303
0.01
C301
0.01
JK301
AC
DC
W302A
-
+
+
-
4x R20/LR20 BATTERIES 
6V 
LEAF
 SWITCH
MOTOR
2
1
2
1
CN301
VCC
GND
VCC
GND
Q1
2SC829BTA
SWITCH
R2
150K
C12
7p
(GS/GC/GU)
C102
16V47
C216
10V2200
SW3
SELECTOR SW
D204
D204 - D205
REGULATOR
B0AACK000004 
D301- D304
RADIO
TAPE/OFF
4
3
2
1
CN303
AM RF IN
GND1
FM RF OUT
FM MIX
AM/FM SW
AM MIX
FM OSC
AGC
AM OSC
VCC
DET
 OUT
AM IF IN
FM RF IN
QUAD
FM IF IN
GND2
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
14
IC1
IC1
CP2
HEAD
ERASE HEAD
CMIC1
RJMN0002-R
W305
R114
2.2K
C112
10V100
C105
10V100
6.3V220
R116
100
C113
0.047
R115
1K
2
1
2
1
2
1
W305
C104
50V2.2
Q101
Q101
B1ABCF000176
PLAY/REC AMP
B1ABCF000176
PLAY/REC AMP
R105
390K
R101
15K
R107
82
R108
1K
C214
6.3V470
C108
0.033
R212
68
RADIO
TAPE
R102
5.6K
VR202
B50K
C213
6.3V470
VR201
A50K
R5
330K
R7
82
R220
22K
R6
470
C117
1000P
C15
C15
12p
2p
C111
0.047
C18
C103
680P
C11
(C11)
22p
C10
100p
C101
0.0015
C107
16V10
Q201
Q201
KTC3203YAT
R208
390
SW3
RADIO
D202
B0BA6R100003 
D205
Q103
B1ADCE000012
AGC AMP
D101
B0AACK000004 
R104
18K
R103
1K
R200
1.8K
R106
33K
R112
10K
R209
680
C16
R41
5.6K
R14
56
SW2
PLAY/REC SW
SW2
PLAY/REC SW
SW2
PLAY/REC SW
R13
33
PB REC
PB REC
PB REC
SW2
PLAY/REC SW
PB REC
R12
33
C106
10V100
Q102
Q102
R110
82
R111
6.8K
R109
1K
C114
10V470
R210
470
D201
B3AAA0000573
C34
16V47
C31
6.3V220
R253
10K
R205
2.2
R202
82
R203
47
C205
0.001
R206
2.2
D203
B0AACK000004 
5
6
4
2
3
1
12
11
10
9
8
7
Pre GND
IN1
NF1
Fin
BS1
OUT1
VCC
BTL  OUT
OUT2
BS2
Fin
NF2
IN2
DC
Pwr GND
IC201
IC201
C206
10V100
C207
10V100
C208
10V100
C203
10V100
C217
6.3V1000p
C215
6.3V1000p
C204
10V100
C218
0.1
C219
0.1
R207
100
4
3
2
1
4
3
2
1
W306A
SW1
BAND
SW1
BAND
SW1
BAND
SW1
RSS4H003-B
L12
RL0N2B108
L13
RL0N3B91
L14
RL0N3B95
L7
RLAN3B44
RLAN3B003-V
C17
10p
4700p
C24
0.01
C19
C2
10p
C41
330p
C14
15p
C8
7p
C5
10p
C29
0.01
C4
22p
C6
12p
C7
10p
CT11
CT11
ECRLA010A53R
CT12
ECRLA010A53R
FT11
RCVFSS01H01R
CT1
CT1
ECRLA010A53R
L5
RLVN2C003-L
L6
RLAN3B002-V
VCC
VC1
RCV4RCT0V-R
SW1
BAND
SW1
BAND
L4
RLQY30S4W
SW1
RSS4H003-B
WHIP ANTENNA
T3
RLIN4B153
CF22
RLFNFFWL09AZ
L11
L11
RLD4Y53W(GS/GC/GU)
C33
0.1
C43
0.047
C42
0.015
C32
0.0012
C201
0.068
C3
CT10
22p
L3
L3
PRINTED
FOR GS1 ONLY
 
COIL
SW3
SELECTOR SW
SW1
BAND
R31
150
L31
G0C100KA0029
R11
15
C13
22p
C120
6.3V470
C109
0.01
R113
100
CF23
RLFNLTZ455JL
C202
0.047
0
117
230
L1
RLQY10S4-0
C1
FOR 
GU/GC/GS
360p
1500p
L2
RLQY30S1W
6
5
1
2
3
4
JK1
FM
FM
FM
FM
FM
FM
FM
FM
MW
MW
MW
MW
MW
MW
MW
MW
SW1
SW2
SW1
SW2
SW1
SW2
SW1
SW2
SW1
SW2
SW1
SW2
SW1
SW2
SW1
SW2
RADIO
TAPE/OFF
SPEAKERS
HEADPHONE
3  
Ohms
8  
Ohms
5
6
7
8
9
4
2
3
1
SERI
RIPPLE FILTER
IC202
AN7141
POWER AMP
C253
16V22
C254
10V100
C258
10V100
C267
6.3V470
R250
22K
C259
0.1
C220
0.01
C255
R252
470
15K
R251
56K
C252
0.0018
C260
0.047
C200
0.0082
R201
6.8K
R255
2.2
TWEETER
SLEEP
SLEEP
SLEEP
C210
C209
CF21
RLFNFFWL09AZ
R4
100
C40
15P
C45
0.1
R3
10
C51
0.001
C35
0.0012
C20
0.01
R214
680
R215
470
R211
68
C50
0.01
R42
33k
FP301
5000
W302B
 2.7
R216
RL04P004(GS1)
C1BA00000424
PRE AMP POWER IC
C1BA00000481
AM/FM DET
12p
(GS1)
R99
100k
0.1(GU/GC/GS)
0.1
RCVNMB07H01M
ADD
(CT10 FOR GS1)
ADD
(C15)
ADD
(R252)
ADD
(R251)
FOR GU/GC/GS
FOR GU/GC/GS
FOR GU/GC/GS
FOR GU/GC/GS
: + B SIGNA
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
: FM SIGNAL LINE
: MAIN SIGNAL LINE
L LINE
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A
B
D
E
F
H
G
C
 RX-M70M3 GS/GC/GU/GS1 MAIN/MIC/POWER/BATTERY CIRCUIT
 MIC
 CIRCUIT
 MAIN CIRCUIT
SCHEMATIC DIAGRAM - 1
 BATTERY CIRCUIT
 POWER CIRCUIT
6
TP
8
TP
1
TP
2
18p
TP
5
TP
9
TP
4
TP
7
TP
3
TP
22p(GS/GC/GU)
27p(GS1)
CHANGE
DELETE
(C12 FOR GS1)
CHANGE
(L7)
CHANGE
(C103)
CHANGE
(C105)
 
CHANGE
(C31)
RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1
3
RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1
4
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Here you can read online and download Panasonic RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1 Service Manual Supplement in PDF. RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1 service manual supplement will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic RX-M70M3GC / RX-M70M3GU / RX-M70M3GS / RX-M70M3GS1 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.