Bang and Olufsen HDR-1 Service manual
HDR 1
Type 4640, 4641, 4642
Service Manual
English
German, French, Italian, Spanish, Danish and Dutch versions
are available in the Retail System
This Service Manual must be returned
with the defective parts/back-up suitcase !
CONTENTS
Survey of modules .................................................................. 1.1
How to service ........................................................................ 1.2
Fault flow
chart ......................................................................... 2
Adjustments and configuration ............................................ 3.1
Final check after repair .......................................................... 3.3
Service menu .......................................................................... 3.5
Service mode .......................................................................... 3.6
Codec menu ............................................................................ 3.9
ServiceTool ............................................................................ 3.11
Remove cover ......................................................................... 4.1
Replacement of modules .............................................. 4.2 - 4.5
Specification
guidelines for service use ................................ 5.1
Type survey ............................................................................. 5.2
Wiring diagram ......................................................................... 6
Available parts ...........................................................................
7
Power supply board
A/V board
Display board
FAN
MAINS
SCART
Tuner
2
1
3
DATA
(Mini jack)
P7
P4
P11
10
TU 1+2
P3
P13
Y/C Input
P2
P12
P1
P2
P1
P5
P8
HD unit complete
998
HD Drive
4
Codec board
5
P13
NTC
P10
HD power
µProcessor
board
6
7
The HDR 1 is to be serviced in the customer’s home.
The static-protective fi eld service kit must always be used when the product is
The repair involves replacement of the HD unit, module(s) or fan.
The replaced modules must be returned for repair at Bang & Olufsen, Module
The EEPROM 6IC6 must be transferred to the A/V board in the HDR 1, hereby
The ServiceTool is required in several service situations, e.g. update of SW.
Always remember to download the latest version of the Service Manual.
The error code contains data that may be used for repairing the module(s) and
4. Before returning the HDR 1 to the customer, clear the error code.
White gloves.
w to service
A static-protective fi eld service kit must always be used when the product is
When mains voltage on the product is required, remove the connection between
the product and the ESD-mat.
The chassis or modules must always be connected to the static-protective fi eld
service kit or placed in an ESD-proof bag.
When replacing components with this symbol, the same type has to be used, also
the same values for ohm and watt.
The new component is to be mounted in the same way as the replaced one.
WARNING
violent explosion.
Transport and handling
STATIC ELECTRICITY
MAY DESTROY THE
PRODUCT
ESD
HD unit
Display
Splitter Tuner
IF +
DEMOD
Switch
Video
processor
Encoder
Y/C
A/V Board
BeoVision
Power supply
5V SB
+12V
+40V
+8V
-8V
+3.3V
+5V
32V
40V
2.5V
3.3V
CVBS
CVBS
RGB
+5V
Standby
Timer
Record
Ant out
RGB
Y/C
Scart
Ant in
Power supply board
A/V Board
Display board
FAN
MAINS
SCART
Tuner
02
01
03
DATA
(Mini jack)
P7
P4
P11
P10
TU 1+2
P3
P13
Y/C Input
P2
P12
P1
P2
P1
P5
P8
HD unit complete
998
HD Drive
04
Codec board
05
P13
NTC
P10
HD power
Processor
board
06
07
(X1)
(O200)
(X12)
(X8)
(X10)
(X5) (X11)
(X4)
(X7)
(X10)
(X13)
- TV: Fault
- V.Tuner: OK
- HD: OK
- Splitter defect
- Splitter circuit on A/V board
Ant out -> TV
connection
- TV: Fault
- V.Tuner: Fault
- HD: OK
- Splitter defect
- Splitter circuit on A/V board
Antenna -> Ant input
connection
Yes
- TV: Fault
- V.Tuner: Fault
- HD: Fault
- Power supply defect
- A/V board defect
Apply mains
- - - - - - - -
Yes
A/V Board
PCB2
Power supply
PCB1
2
W
+12V+12V
+5V
+5V
+3.3V
+5V_A
+5V_D
+2.5V
+3.3V
+3.3V
+2.5V
+40V
+40V
+32V
+8V
+8V
-8V
-8V
+32V
+5V_SB+5V_SBMains
Fuse
O200
- TV: OK
- V.Tuner: Fault
- HD: Fault
- Connection HDR 1 - TV failure
- Power supply failure
- A/V board failure
- - - - - - - -
connection
- TV: OK
- V.Tuner: Fault
- HD: OK
- Power supply failure
- A/V board failure
output
Yes
output
- - - - - - - -
A/V Board
PCB2
Power supply
PCB1
2
W
+12V+12V
+5V
+5V
+3.3V
+5V_A
+5V_D
+2.5V
+3.3V
+3.3V
+2.5V
+40V
+40V
+32V
+8V
+8V
-8V
-8V
+32V
+5V_SB+5V_SBMains
Fuse
O200
Power supply
PCB1
A/V Board
PCB2
Hard dis
cCodec
HD unit
Module 998
2
W
1
W
3
W
7
W
8
W
Voltage
Voltage
Voltage
Voltage
Video
Audi
o
I3C
- TV: OK
- V.Tuner: OK
- HD: Fault
- HD unit
- Connection to HD unit
s
- - - - - - - -
connection to
connection
Yes
- HDR 1 display - no or missing light
- No power
- Display board failure
connected and
applied
- - - - - - - -
- - - - - - - -
Yes
- - - - - - - -
A/V Board, PCB2
Power supply, PCB1
2
W
+5V_SB
Mains
Fuse
Display board, PCB3
5
W
+5V_SB
9 9
11
Red/Green
standby led
O200
X1 X11
X12
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