Panasonic RR-US591PP / RR-US591E / RR-US591EE Service Manual ▷ View online
17
7.4.
External MIC recording circuit confirmation
7.5.
Built-in MIC recording circuit confirmation
Power-supply voltage
OK?
NO
NO
NO
NO
YES
Refer to the voltage table.
CL413,CL414
Input signal confirmation
YES
External MIC stereo recording
JK401 NG.
CL401,CL402
Input signal confirmation
( GND?)
Built-in MIC stereo recording
CL401,CL402
Input signal confirmation
(GND?)
M401 or M402 NG.
(or R412 or R417 NG)
NO
LB402 or LB403 or
R407 or R408 or
C407 or C408 NG.
YES
CL125
䡠CL126
Input signal confirmation
YES
IC401 or IC402 or peripheral parts
YES
IC301 NG.
Start
Start
Power-supply
voltage OK?
YES
YES
YES
YES
Refer to the voltage table
Built-in MIC stereo recording
CL401,CL402
Input signal confirmation
NO
Defective M401 or M402 (or R412 or R417 NG)
CL125,CL126
Input signal confirmation
NO
NO
NO
CL127,CL128
Input signal
confirmation
IC301 NG
Q413 or Q418 is NG.
NO
YES
CL404,CL405
Input signal confirmation
IC401 or IC402 or peripheral parts
IC403 or IC404 or peripheral parts
18
8 Disassembly and Assembly Instructions
Caution Note:
• This section describes the disassembly and/or assembly procedures for all major printed circuit boards & main compo-
nents for the unit. (You may refer to the section of “Main components and P.C.B Locations” as described in the service
manual)
manual)
• Before carrying out the disassembly process, please ensure all the safety precautions & procedures are followed.
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with
• During the disassembly and/or assembly process, please handle with care as there may be chassis components with
sharp edges.
• During disassembly and assembly, please ensure proper service tools, equipments or jigs is being used.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the
service manual.
• Select items from the following indexes when disassembly or replacement are required.
• Disassembly of MIC Ornament and LED Tip
• Disassembly of Rear Cabinet Assembly
• Disassembly of Stand and Battery Cover
• Replacement of Side Ornament, Mode Knob and Hold Knob
• Replacement of Main P.C.B.
• Disassembly of LCD P.C.B.
• Disassembly of Rec Button
• Disassembly of Up Down Button Unit and Play Button
• Disassembly of Menu Button
• Disassembly of Speaker Unit
• Replacement of Front Ornament
• Disassembly of LCD Holder Unit
• Disassembly of MIC Ornament and LED Tip
• Disassembly of Rear Cabinet Assembly
• Disassembly of Stand and Battery Cover
• Replacement of Side Ornament, Mode Knob and Hold Knob
• Replacement of Main P.C.B.
• Disassembly of LCD P.C.B.
• Disassembly of Rec Button
• Disassembly of Up Down Button Unit and Play Button
• Disassembly of Menu Button
• Disassembly of Speaker Unit
• Replacement of Front Ornament
• Disassembly of LCD Holder Unit
19
8.1.
Disassembly flow chart
The following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the ser-
vicing.
To assemble the unit, reverse the steps shown in the chart below.
vicing.
To assemble the unit, reverse the steps shown in the chart below.
20
8.2.
Main Parts Location Diagram
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