Panasonic SA-BTT190EB / SA-BTT190EG / SA-BTT190EP / SA-BTT190GN / SA-BTT195EE / SA-BTT195EP / SC-BTT195EEK Service Manual ▷ View online
49
10.1.2.
Digital P.C.B.
Fig 2. Digital P.C.B.
(Side A of Digital P.C.B.)
(Side B of Digital P.C.B.)
IC2901
Transistor : Q2902
Transistor : Q2903
D2306, LB2300, LB2302, LB2303
IC2302, LB2301
Inductor : L2902
Inductor : L2908
50
11 Service Fixture & Tools
Prepare service tools before process service position.
Ref. No
Service Tools
Remarks
SFT1
Digital P.C.B. (P59301) - Panel P.C.B. (P6801),
Digital P.C.B. (CN2303) - D-Amp P.C.B. (CN5402)
Digital P.C.B. (CN2303) - D-Amp P.C.B. (CN5402)
RFKZ0216 (23P)
[SPG]
SFT2
Digital P.C.B. (CN2309) - SMPS P.C.B. (JW2)
RFKZ0323 (9P)
[SPG]
SFT3
Digital P.C.B. (CN2304) - Panel P.C.B. (P6001)
RFKZ0327 (15P)
[SPG]
51
12 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.
• Avoid touching heatsinks due to its high temperature after prolong use. (See caution as described below)
• During disassembly and assembly, please ensure proper service tools, equipment or jigs is being used.
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the ser-
• During replacement of component parts, please refer to the section of “Replacement Parts List” as described in the ser-
vice manual.
• Select items from the following indexes when disassembly or replacement are required.
• Disassembly of Top Cabinet
• Replacement of Tray Ornament
• Disassembly of Front Panel Block Assembly
• Disassembly of Operation Button P.C.B.
• Disassembly of Power Button P.C.B.
• Disassembly of Panel P.C.B.
• Disassembly of Rear Panel
• Disassembly of Fan Unit
• Disassembly of Digital P.C.B.
• Disassembly of D-Amp P.C.B.
• Replacement of Digital Amplifier IC (IC5100/IC5200/IC5300)
• Disassembly of AC Inlet P.C.B.
• Disassembly of SMPS P.C.B.
• Replacement of Switching Regulator IC (IC5701)
• Replacement of Diode (D5702)
• Replacement of Diode (D5802)
• Replacement of Diode (D5803)
• Disassembly of BD Mechanism Unit (BRS14P)
• Disassembly of Top Cabinet
• Replacement of Tray Ornament
• Disassembly of Front Panel Block Assembly
• Disassembly of Operation Button P.C.B.
• Disassembly of Power Button P.C.B.
• Disassembly of Panel P.C.B.
• Disassembly of Rear Panel
• Disassembly of Fan Unit
• Disassembly of Digital P.C.B.
• Disassembly of D-Amp P.C.B.
• Replacement of Digital Amplifier IC (IC5100/IC5200/IC5300)
• Disassembly of AC Inlet P.C.B.
• Disassembly of SMPS P.C.B.
• Replacement of Switching Regulator IC (IC5701)
• Replacement of Diode (D5702)
• Replacement of Diode (D5802)
• Replacement of Diode (D5803)
• Disassembly of BD Mechanism Unit (BRS14P)
12.1. Screw Type
52
12.2. Disassembly Flow Chart
Main Unit
12.4. Top Cabinet
12.5. Tray Ornament
12.9. Panel P.C.B.
12.10. Rear Panel
12.11. Fan Unit
12.12. Digital P.C.B.
12.13. D-Amp P.C.B.
12.15. AC Inlet P.C.B.
12.16. SMPS P.C.B.
12.6. Front Panel Block
Assembly
12.7. Operation Button
P.C.B.
12.8. Power Button
P.C.B.
12.17. Switching
Regulator IC (IC5701)
12.21. BD Mechanism
Unit (BRS14P)
12.18. Diode (D5702)
12.19. Diode (D5802)
12.20. Diode (D5803)
12.14. Digital Amplifier IC
(IC5100/IC5200/IC5300)
Click on the first or last page to see other SA-BTT190EB / SA-BTT190EG / SA-BTT190EP / SA-BTT190GN / SA-BTT195EE / SA-BTT195EP / SC-BTT195EEK service manuals if exist.