DOWNLOAD Panasonic SA-BT205EE / SC-BT205EE Service Manual ↓ Size: 1.8 MB | Pages: 31 in PDF or view online for FREE

Model
SA-BT205EE SC-BT205EE
Pages
31
Size
1.8 MB
Type
PDF
Document
Simplified Service Manual
Brand
Device
Audio / BLU-RAY DISC HOME THEATER SOUND SYSTEM
File
sa-bt205ee-sc-bt205ee.pdf
Date

Panasonic SA-BT205EE / SC-BT205EE Simplified Service Manual ▷ View online

PSG0905008AE
Blu-ray Disc Home Theater Sound System
Model No.
SA-BT205EE
Product Color:  (K)...Black Type
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions----------------------------------------------- 3
1.1. GENERAL GUIDELINES -------------------------------- 3
1.2. Before Repair and Adjustment ------------------------- 3
1.3. Protection Circuitry ---------------------------------------- 4
1.4. Safety Parts Information --------------------------------- 4
2 Warning -------------------------------------------------------------- 5
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatic Sensitive (ES) Devices--------------- 5
2.2. Precaution of Laser Diode ------------------------------- 6
2.3. Service caution based on Legal restrictions -------- 7
2.4. Handling Precautions for BD Drive Unit -------------- 8
3 Service Navigation ----------------------------------------------- 9
3.1. Service Information ---------------------------------------- 9
Notes: This model is based on SA-BT205EB/EG/EP-K. Please refer to the original service manual (Order
no. PSG0905007CE).
2
3.2. DIFFERENCES TABLE ----------------------------------9
3.3. Notes: ------------------------------------------------------- 12
4 Specifications ---------------------------------------------------- 13
5 Block Diagram --------------------------------------------------- 15
5.1. System Control ------------------------------------------- 15
6 Schematic Diagram--------------------------------------------- 16
6.1. Main Circuit ------------------------------------------------ 16
7 Printed Circuit Board ------------------------------------------ 24
7.1. Main P.C.B. ------------------------------------------------ 24
8 Exploded View and Replacement Parts List ----------- 26
8.1. Exploded View and Mechanical Replacement
Part List ----------------------------------------------------- 26
8.2. Electrical Replacement Part List --------------------- 31
3
1 Safety Precautions
1.1.
GENERAL GUIDELINES
1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
installed.
3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.
1.1.1.
LEAKAGE CURRENT COLD CHECK
1. Unplug the AC cord and connect a jumper between the two prongs on the plug.
2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the
chassis, the reading should be between 1M
 and 5.2M
.
When the exposed metal does not have a return path to the chassis, the reading must be 
1.1.2.
LEAKAGE CURRENT HOT CHECK
1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
2. Connect a 1.5k
, 10 watts resistor, in parallel with a 0.15
µ
F capacitors, between each exposed metallic part on the set and a
good earth ground such as a water pipe, as shown in Figure 1.
3. Use an AC voltmeter, with 1000 ohms/volt or more sensitivity, to measure the potential across the resistor.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of the above measurements.
6. The potential at any point should not exceed 0.75 volts RMS. A leakage current tester (Simpson Model 229 or equivalent)
may be used to make the hot checks, leakage current must not exceed 1/2 milliamp. In case a measurement is outside of the
limits specified, there is a possibility of a shock hazard, and the equipment should be repaired and rechecked before it is
returned to the customer.
Figure 1
1.2.
Before Repair and Adjustment
Disconnect AC power to discharge unit AC Capacitors as such (C5700, C5701, C5702, C5704, C5705) through a 10 
, 10 W resis-
tor to ground.
Caution:
DO NOT SHORT-CIRCUIT DIRECTLY (with a screwdriver blade, for instance), as this may destroy solid state devices.
After repairs are completed, restore power gradually using a variac, to avoid overcurrent.
Current consumption at AC 220-240V, 50 Hz in NO SIGNAL mode volume minimal should be ~ 900 mA.
1.2.1.
Caution for fuse replacement
4
1.3.
Protection Circuitry
The protection circuitry may have operated if either of the following conditions are noticed:
• No sound is heard when the power is turned on.
• Sound stops during a performance.
The function of this circuitry is to prevent circuitry damage if, for example, the positive and negative speaker connection wires are
“shorted”, or if speaker systems with an impedance less than the indicated rated impedance of the amplifier are used.
If this occurs, follow the procedure outlines below:
1. Turn off the power.
2. Determine the cause of the problem and correct it.
3. Turn on the power once again after one minute.
Note:
When the protection circuitry functions, the unit will not operate unless the power is first turned off and then on again.
1.4.
Safety Parts Information
Safety Parts List:
There are special components used in this equipment which are important for safety.
These parts are marked by (
) in the Schematic Diagrams & Replacement Parts List. It is essential that these critical parts
should be replaced with manufacturer’s specified parts to prevent shock, fire or other hazards. Do not modify the original design
without permission of manufacturer.
Safety Ref. No.
Part No.
Part Name & Description
Remarks
25
RGR0392B-E1A
REAR PANEL
41
RKMX0141-1K2
TOP CABINET
69
VXY2044
BD DRIVE UNIT
75
REE1510
RED WIRE (AC-SMPS)
76
REE1511
BLACK WIRE (AC-SMPS)
A2
K2CQ2CA00007
AC CORD
A3
RQT9452-R
O/I BOOK (Ru/Ur)
PCB8
REP4505B
SMPS P.C.B
(RTL)
PCB9
REP4505B
AC INLET P.C.B
(RTL)
PCB10
RFKNBT205EE
BD DRIVE / DIGITAL P.C.B ASS'Y
(RTL)
IC51001
RFKNBT205EE
IC
(RTL)
IC51301
RFKNBT205EE
IC
(RTL)
IC51601
RFKNBT205EE
IC
(RTL)
DZ5701
ERZV10V511CS
ZNR
L5701
ELF15N035AN
LINE FILTER
L5702
ELF21N015A
LINE FILTER
L5703
ELF21N015A
LINE FILTER
T5701
ETS42BM1F6AC
MAIN TRANSFORMER
T5751
ETS19AB2A6AG
SUB TRANSFORMER
T7001
G4D1A0000117
SWITCHING TRANSFORMER
PC5702
B3PBA0000402
PHOTO COUPLER
PC5720
B3PBA0000402
PHOTO COUPLER
PC5799
B3PBA0000402
PHOTO COUPLER
RY701
K6B1AEA00003
RELAY
F1
K5D402BK0007
FUSE
F2
K5G162B00016
FUSE
IP7001
K5H7512A0010
PROTECTOR
IP55004
K5H252Z00003
PROTECTOR
IP55005
K5H202Z00005
PROTECTOR
IP58301
ERBSE3R00U
PROTECTOR
TH5702
D4CAA5R10001
THERMISTOR
P5701
K2AA2B000017
AC INLET
C5700
F1BAF1020020
1000pF
C5701
ECQU2A104MLC
0.1uF
C5702
ECQU2A104MLC
0.1uF
C5703
ECQU2A104MLC
0.1uF
C5704
F1BAF1020020
1000pF
C5706
F1BAF1020020
1000pF
Page of 31
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Panasonic SA-BT205EE / SC-BT205EE Simplified Service Manual ▷ Download

  • DOWNLOAD Panasonic SA-BT205EE / SC-BT205EE Service Manual ↓ Size: 1.8 MB | Pages: 31 in PDF or view online for FREE
  • Here you can View online or download the Simplified Service Manual for the Panasonic SA-BT205EE / SC-BT205EE in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic SA-BT205EE / SC-BT205EE Audio. Information contained in Panasonic SA-BT205EE / SC-BT205EE Simplified Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.