Harman Kardon AVR 245 (serv.man4) Service Manual ▷ View online
52 TROUBLESHOOTING GUIDE
Troubleshooting Guide
Processor Reset
In the rare case where the unit’s operation or the
displays seem abnormal, the cause may involve
the erratic operation of the system’s memory or
microprocessor.
displays seem abnormal, the cause may involve
the erratic operation of the system’s memory or
microprocessor.
To correct this problem, first unplug the unit from
the AC wall outlet and wait at least three
minutes. After the pause, reconnect the AC
power cord and check the unit’s operation. If the
system still malfunctions, a system reset may
clear the problem.
the AC wall outlet and wait at least three
minutes. After the pause, reconnect the AC
power cord and check the unit’s operation. If the
system still malfunctions, a system reset may
clear the problem.
To clear the AVR’s entire system memory includ-
ing tuner presets, output level settings, delay
times and speaker configuration data, first put
the unit in Standby by pressing the System
Power Control button
ing tuner presets, output level settings, delay
times and speaker configuration data, first put
the unit in Standby by pressing the System
Power Control button
2. Next press and hold
the Tone Mode button
8 for three seconds.
The unit will turn on automatically. Note that
once you have cleared the memory in this manner,
it is necessary to re-establish all system configura-
tion settings and tuner presets.
once you have cleared the memory in this manner,
it is necessary to re-establish all system configura-
tion settings and tuner presets.
NOTE: Resetting the processor will erase any
configuration settings you have made for
speakers, output levels, surround modes, digital
input assignments as well as the tuner presets.
After a reset the unit will be returned to the
factory presets, and all settings for these items
must be reentered.
configuration settings you have made for
speakers, output levels, surround modes, digital
input assignments as well as the tuner presets.
After a reset the unit will be returned to the
factory presets, and all settings for these items
must be reentered.
If the system is still operating incorrectly, there
may have been an electronic discharge or severe
AC line interference that has corrupted the
memory or microprocessor.
may have been an electronic discharge or severe
AC line interference that has corrupted the
memory or microprocessor.
If these steps do not solve the problem, consult
an authorized Harman Kardon service depot.
an authorized Harman Kardon service depot.
SYMPTOM
CAUSE
SOLUTION
Unit does not function when Main
• No AC Power
• Make certain AC power cord is plugged
Power Switch
1 is pushed
into a live outlet
• Check to see if outlet is switch controlled
Display lights, but no sound
• Intermittent input connections
• Make certain that all input and speaker
or picture
connections are secure
• Mute is on
• Press Mute button
• Volume control is down
• Turn up volume control
No sound from any speaker;
• Amplifier is in protection mode
• Check speaker-wire connections for shorts at receiver
light around Power switch
2 is red
due to possible short
and speaker ends
• Amplifier is in protection mode
• Contact your local Harman Kardon service depot
due to internal problems
No sound from surround or
• Incorrect surround mode
• Select a mode other than Stereo
center speakers
• Input is mono
• There is no surround information from mono sources (except with
Theater and Hall surround modes)
• Incorrect configuration
• Check speaker mode configuration
• Stereo or Mono program material
• Some surround modes may not create rear-channel information
from nonencoded programs
Unit does not respond to
• Weak batteries in remote
• Change remote batteries
remote commands
• Wrong device selected
• Press the AVR Selector
5
• Remote sensor
Ú is obscured
• Make certain front-panel sensor is visible to remote or
connect remote sensor
Intermittent buzzing in tuner
• Local interference
• Move unit or antenna away from computers, fluorescent lights,
motors or other electrical appliances
Letters flash in the Channel Indicator
• Digital audio feed paused
• Resume play for DVD
Display
$ and Digital Audio stops
• Check that Digital Signal is fed to the Digital Input selected
harman/kardon
AVR 245/230 service manual
Page 5 of 82
2. Package Drawing
AVR245/230
ACCESSORY-1
BOX,OUT CARTON
3
4
1
DESCRIPTION
NO
CPS6A564
CQXAVR245/230
CPG1A820V
1
1
1
Q,ty
PARTS NO.
CPS6A565
SNOW,PAD(R)
2
1
SNOW,PAD(L)
SET
AVR245/230SET
1
5
ACCESSORY-2
6
CQXAVR245/230
1
ACCESSORY-1
1
SNOW PAD (R)
3
BOX ,OUT CARTON
5
SET
4
SNOW PAD (L)
2
MICROPHONE ASS'Y
7
ACCESSORY-2
6
MICROPHONE ASS'Y
7
CJXAVR335MICRO
1
NO
DESCRIPTION
PARTS NO.
Q,ty
1
2
3
4
5
1
7
1
1
FM 1 POL ANT
CSA1A018Z
1
NO
DESCRIPTION
PARTS NO.
Q,ty
9
10
11
12
13
1
CPB1061Y
POLY BAG
CQX1A1136Z
MANUAL,INSTRUCTION
MANUAL ,SETUP GUIDE
1
1
BOOKLET,INFORMATION
CQE1A180Z
1
STAPLE
CPL0905
3
ACCESSORY-2
ACCESSORY-1
CPB1061Y
POLY BAG
CSA1A027Z
AM LOOP ANTENNA ASS'Y
1
CABR03P3
BATTERY
3
COVER ASS'Y
CGRAVR130/230ZA
REMOCON ASS'Y
CARTAVR245/230
1
POLY BAG
1
2
3
AM LOOP ANTENNA ASS'Y
BATTERY ASS'Y
4
FM 1 POLE ANT
5
COVER ASS'Y
POLY BAG
9
1
1
CGR1A332M7H43
CQE1A220Z
CPS1A676
1
CPB1A176Z
1
1
2
3
4
5
CGR1A331M7H43
1
PAD , COVER
COVER A
COVER B
SHEET,FRONT COVER
BAG , POLY
CQX1A1138X
MICROPHONE ASS'Y
A
A
MICROPHONE ASS'T
CJXAVR335MICRO
1
6
BOOKLET,INFORMATION
MANUAL INSTRUCTION
11
MANUAL SETUP GUIDE
12
13
1. Instruction manual ass'y - Accessories
STAPLE
6
IMAGE BROCHURES
HQE1A273Z
1
IMAGE BROCHURES
10
STAPLE
8
REMOCON ASS'Y
7
8
STAPLE
CPL0905
3
harman/kardon
AVR 245/230 service manual
Page 6 of 82
S7
S1
47
4
8
9
10
11
25
26
27
21
28
29
36
30
32
34
35
22
S2
S1
S2
S10
S5
S5
S9
S5
S4
S4
S4
S4
S6
x2
S10
S8
S17
43
19
46
2
3
5
7
33
S1
1
6
S1
S12
S13
S14
S13
S14
S9
S11
S10
S7
S8
S8
S6
S5
S4
S2
S3
S3
NO
13
CTB3+8JFC
SCREW
SCREW
SCREW
SCREW
SCREW
CTB3+10JRR
CTB3+8FFZR
CTB3+8FFZR
CTB3+16GFZR
SCREW,TRANS
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
SCREW
CTB4+6FFC
CTB3+6JR
CTB3+10GFZR
CHD1A023R
CHD1A023R
CTB3+10GR
CTW3+12JR
CTB3+8JR
CTW3+8JR
3
8
8
2
4
19
19
6
22
22
3
10
9
31
DESCRIPTION
PARTS NO.
Q,ty
38-1
39-1
12
S13
S2
S11
17
S13
S2
S2
16
50
13
15
S5
41
S13
S15
44
45
40-4
40-3
39-2
42
37-7
40-1
40-7
37-6
37-3
37-4
37-5
S2
37-1
S5
S15
18
S16
S16
SCREW,SPECIAL
CHD3A012R
7
23
24
S4
23
24
S4
S9
S16
49
S5
S12
37-9
S2
14
14-1
S17
SCREW,SPECIAL
CHD4A012R
5
SCREW,SPECIAL
CHD1A012R
21
SCREW,SPECIAL
CHD1A012ZR
2
40-5
S16
S16
40-2
S14
37-8
S15
39-5
S4
38-2
47
48
51
16
BRACKET,PCB
CMK2A010
BRACKET,PCB(H/T)
SUPPORT,CUSHION
FRONT PAB ASS'Y
BUSHING,AC CORD
29
BRACKET,TRANS
36
37
37
30
31
32
33
31
32
33
35
34
TRANS,POWER
PANEL,REAR
BRACKET,PCB
CORD,POWER
23
24
25
26
24
25
26
28
27
17
18
19
20
18
19
20
22
21
HOLDER,PCB
BRACKET,PCB
HEAT SINK
RUBBER,CUSHION
FOOT
FOOT
PLATE,SHIELD
BRACKET,FIP
HOLDER,LED
CHASSIS,BOTTOM
CABINET,TOP
CMD1A487
CKF5A319Z
COP11910F
CJA2B043ZA
KHR1A028
CMD1A387
CMD1A398
CMY1A271
CUA2A229
CKL2A069H43
CKC5B145S46Z
CMD1A209
CHE1A170
CMD1A417
CHG1A104Z
CHG1A329
CMC1A302
CMH1A215
INDICATOR,VOLUME
BDAGE,HARMAN/KARDON
INDICATOR,POWER
3
10
11
12
13
11
12
13
15
14
7
6
5
4
9
8
KNOB,MOMS
KNOB,POWER
KNOB,DISPLAY
KNOB,FUNCTION
FILTER,FIP
WINDOW ASS'Y
BRACKET,SIDE
PANEL,FRONT
NO
2
1
HOLDER,VOLUME
CAP,VOLUME
DESCRIPTION
CGL1A222
CGUAVR245
CGUAVR245
CGW1A427RDWH43
CBC1A158MBZG27
CBT1A1026MMZG27
CBT1A1028MBYG27
CMD2A443
CBT1A1027K128
KGB1A158Z
CMZ1A088
CGL1A258Z
CGX1A338MBC63
PARTS NO.
CMH1A214
1
1
1
1
1
2
1
1
2
1
1
1
1
4
4
2
2
3
1
1
1
1
1
1
1
11
1
1
1
1
1
1
1
Q,ty
1
1
46
37-1
37-2
37-3
37-4
37-5
37-6
37-7
37-8
37-2
37-3
37-4
37-5
37-6
37-7
37-8
FIP PCB
KEY PCB
POWER LED PCB
MOMS PCB
PHONE PCB
VOLUME PCB
RS232 PCB
GUIDE PCB(CARD CABLE)
KEY PCB
POWER LED PCB
MOMS PCB
PHONE PCB
VOLUME PCB
RS232 PCB
GUIDE PCB(CARD CABLE)
38
MAIN PCB ASS'Y
COP11911F
1
38-1
MAIN PCB
1
1
1
1
1
1
1
1
1
1
1
39
INPUT PCB ASS'Y
COP11912F
1
39-1
39-2
39-2
INPUT PCB
ipod PCB
ipod PCB
1
1
POWER PCB ASS'Y
40
COP11916F
1
40-1
VIDEO PCB
1
BADGE,MODEL
BADGE ASS'Y
47
CGX1A375ZA
CGB1A169Z
1
ORNAMENT,VOLUME
CGU1A318Z
1
CHG1A160Z
CUSHION
1
1
2
2
ORNAMENT,BADGE
BADGE,H/K(TOP)
BADGE,H/K(TOP)
CGX1A375M7G32
KGB1A159Z
KGB1A159Z
1
1
1
WINDOW,FIP
CGU1A399Z
1
2
2
1
1
1
CMZ2A090
SHEET,VOLUME
1
BRACKET,PCB
CMD1A570
1
REMARK
VIDEO PCB ASS'Y
41
COP11939F
1
1
TUNER MODULE
42
1
43
RUBBER
44
CHG1A309
1
CMD1A555
BRACKET,SIDE(L)
1
BRACKET , FAN
CMD1A600
1
FAN(80*80*25mm)
48
2
49
BEACKET,FAN(A)
CMD1A615
1
50
SHEET,REFLECTION
CMZ1A120
1
CLT5W026ZE
38-2
GUIDE PCB(CARD CABLE)
1
39-5
RDS PCB
1
40-2
REGULATOR PAC(A)
7
40-3
TRANS PCB
1
40-4
TRANS PCB
1
40-5
REGULATOR PCB(B)
1
CNVM9014MS171L
45
HDMI PCB ASS'Y
COP11914F
1
51
HEAT SINK
CMY2A249
1
48
30
CFNCF12825MS
40-2
AVR245/230 EXPLODE VIEW
harman/kardon
AVR 245/230 service manual
Page 7 of 82
harman/kardon AVR245/230
S
FRONT PCB (CUP11910)
Ref#
Component
Description
Description 2
Qty
CUP11910-1
PCB , FRONT(FIP)
PCB
1
CMC3A111
PLATE , EARTH
PLATE
1
C714
HCBS1H151KBT
CAP , CERAMIC
150UF 50V K
1
C716
CCEA1AH331T
CAP , ELECT
330UF 10V
1
C723
HCBS1H104ZFT
CAP , CERAMIC
0.1UF 50V Z
1
C728
HCBS1H104ZFT
CAP , CERAMIC
0.1UF 50V Z
1
C729
HCBS1H473ZFT
CAP , CERAMIC
0.047UF 50V Z
1
C731
CCEA1HH100T
CAP , ELECT
10UF 50V
1
C735
CCEA1CKS100T
CAP , ELECT
10UF 16V
1
C742
HCBS1H223ZFT
CAP , CERAMIC
0.02UF 50V Z
1
C793
HCBS1H104ZFT
CAP , CERAMIC
0.1UF 50V Z
1
C794
HCBS1C222MXT
CAP , CERAMIC
2200PF 16V
1
C795
HCBS1H102KBT
CAP , CERAMIC
1000PF 50V K
1
C796
HCBS1H102KBT
CAP , CERAMIC
1000PF 50V K
1
C882
HCBS1H104ZFT
CAP , CERAMIC
0.1UF 50V Z
1
C891
HCBS1H223ZFT
CAP , CERAMIC
0.023UF 50V Z
1
C892
HCBS1H223ZFT
CAP , CERAMIC
0.023UF 50V Z
1
C893
HCBS1H223ZFT
CAP , CERAMIC
0.023UF 50V Z
1
C894
CCEA1CKS100T
CAP , ELECT
100UF 16V
1
C896
HCBS1H223ZFT
CAP , CERAMIC
0.023UF 50V Z
1
C897
CCEA1AH471T
CAP , ELECT
470UF 10V
1
C901
HCBS1H390JT
CAP , CERAMIC
39PF 50V Z
1
C903
CCEA1HKS2R2T
CAP , ELECT
2.2UF 50V SMALL SIZE
1
C905
CCEA1HKS2R2T
CAP , ELECT
2.2UF 50V SMALL SIZE
1
CN72
CJP17GA193ZY
WAFER, CARD CABLE ( WAFER
1
CN89
CJP04GB46ZY
WAFER
WAFER
1
D730
CVD1SS133MT
DIODE
1SS133
1
D778
HVD1N5819T
DIODE , SCHOTTKY
1N5819
1
L702
HLQ02C100KT
COIL , AXAIL
COIL
1
FIP1
HFLHCA18ML03
F.I.P
F.I.P
1
IC73
HRVNJL34H380A
SENSOR , REMOTE
SENSOR
1
IC75
HVI74ACT04MTR
I.C , HEX
FAIRCHILD
1
Q701
HVTKRC107MT
T.R
KRC107M
1
Q722
HVTKRA107MT
T.R
KRA107M
1
Q724
HVTKRC107MT
T.R
KRC107M
1
Q725
HVTKRC107MT
T.R
KRC107M
1
Q738
HVTKRC107MT
T.R
KRC107M
1
Q739
HVTKTA1271YT
T.R
KTA1271Y
1
R701
CRD20TJ103T
RES , CARBON
10K OHM 1/5W J
1
R704
CRD20TJ100T
RES , CARBON
10 OHM 1/5W J
1
R709
CRD20TJ470T
RES , CARBON
47 OHM 1/5W J
1
Harman consumer group International
harman/kardon
AVR 245/230 service manual
Page 8 of 82
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