Onkyo FR-155, Service Manual

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FR-155 FR-155
WIRING VIEW
L
R
L
R
L
R
L
R
L
R
L
R
OUT
(REC)
IN
(PLAY)
OUT
(REC)
IN
(PLAY)
TEPE
CD-R
LINE-1
LINE-2
L OUT
GND
R OUT
R IN
GND
L IN
A MUT
P201A
P202A
CD/L-IN
GND
CD/R-IN
TUNER-L
TUNER-R
GND
R
GND
L
GND
-B
+B
C CLK
FCE/VCE
DATA
REC-LEVEL1
REC-LEVEL2
MD/REC MUT
P404A
CD/L-IN
SIG
CD/R-IN
P202B
TUNER-L
TUNER-R
GND
R
GND
L
GND
-B
+B
C CLK
FCE/VCE
DATA
REC-LEVEL1
REC-LEVEL2
MD/REC MUT
P404B
ANTENNA
FM
75
AM
DISPLAY CIRCUIT
PC BOARD
(NADIS-6935)
U9 CONTROL
SWITCH
PC BOARD
(NASW-6936)
U6
MICROPROCESSOR
&
CD CIRCUIT
PC BOARD
(NADG-6933)
P752A
F1
F2
-VP
FL +5 V
GND
GND
FL RESET
FL CE
REMIN
FL CLK
FL DATA
KO
ECO LED
+5 V
K1
ROTEN1
K2
ROTEN2
ROT SW
AP LED
ECO5 V
K1
ROTEN2
K2
ROTEN1
ECO5 V
GND
REMIN
ROT SW
K1
ROTEN2
K2
ROTEN1
ECO5 V
GND
REMIN
ROT SW
P751A P751B
FL TUBE
F1
F2
-VP
FL +5 V
GND
GND
FL RESET
FL CE
REMIN
FL CLK
FL DATA
KO
ECO LED
+5 V
K1
ROTEN1
K2
ROTEN2
ROT SW
AP LED
ECO5 V
P752B
F1
F2
RC POWER
AC POWER
P OUT
+B
GND
P920B
P902B
F1
F2
RC POWER
AC POWER
P OUT
+B
GND
P920A
P902A
MD/CD-AC2
MD/CD-AC1
GND
-B AC
JL901A
JL905A
P907
AC INPUT
AMP-AC-1
GND
GND
AMP-AC2
RC DATA
RCREQ
SHUT DOWN
MD REQ-2
MD CLK
MD DATA-2
P391
VC
VCE
E
D
A
B
C
F
LD
GND
GND
PD
FC+
TR+
TR-
FC-
GND
S STOP
SL-
SL+
SP-
SP+
CLOSE SW
GND
OPEN SW
LD-
LD+
P101B
P102
L IN
GND
R IN
R OUT
GND
L OUT
A MUT
P201B
MD/D-OUT
GND
CD/D-IN
GND
D-IN
GND
+5 V
DET OUT
SIGNAL
RC POWER
-12 V
SEL-MUT
REC-MUT
FCE/VCE
TU MUT
C CLK
DATA
STEREO
SD
PLL CE
VOL/UP
VOL/DOWN
REC VOL2
REC VOL1
(+5 V)
GND
GND
GND
+5.6 V
MD RESET
-VP
P912A
P914A
P912B
MD/D-IN
GND
CD/D-OUT
GND
D-OUT
GND
+5 V
DET OUT
SIGNAL
RC POWER
-12 V
SEL-MUT
REC-MUT
FCE/VCE
TU MUT
C CLK
DATA
STEREO
SD
PLL CE
VOL/UP
VOL/DOWN
REC VOL2
REC VOL1
DSP VCC
GND
GND
GND
+5.6 V
MD RESET
-VP
P010
P101A
VC
VCE
E
D
A
B
C
F
LD
GND
GND
PD
FC+
TR+
TR-
FC-
VC
VCE
E
D
A
B
C
F
GND
LD
GND
PD
FC+
TR+
TR-
FC-
P911B
REC-LEVEL1 REC-LEVEL2
V
OL/DO
WN
V
OL/UP
PLL CE
SD
STEREO
DA
T
A
C CLK
GND
TU MUT
FCE/VCE
MD/REC MUT
SEL/MUT
-B
RC PO
WER
SIGN
AL
DET OUT
GND
P913A P913B
PHONES
JL502A
R OUT
R IN
GND
L IN
L OUT
U5
HEADPHONE
PC BOARD
(NAETC-7034)
JL502B
L IN
L OUT
GND
R OUT
R IN
P370A
JL551B
GND
L-OUT
GND
R-OUT
DATA-OUT
GND
+5 V
+5 V
GND
DATA-IN
RI
GND
SPEAKERS
DIGITAL
OPTICAL
SUB WOOFER
PRE OUT
IN
OUT
REMOTE
CONTROL
RI
L
R
U4
SPEAKER TERMINAL
PC BOARD
(NAETC-6932)
JL551A
GND
L-OUT
GND
R-OUT
GND GND GND +B GND GND -B
JL903A
AMP-A
C-1
GND GND AMP-A
C2
JL901B
L-IN
GND
R-IN
AF-CONT
JL501A
POWER AMPLIFIER
CIRCUIT PC BOARD
(NAAF-6930)
JL501B
L-OUT
GND
R-OUT
AF-CONT
P505A P906A
+B GND -B REC-LEVEL1 REC-LEVEL2 V
OL/DO
WN
V
OL/UP
PLL CE SD STEREO DA
T
A
C CLK GND TU MUT FCE/VCE MD/REC MUT SEL/MUT -B RC PO
WER
SIGN
AL
DET OUT GND
P911A
STEREO
SD
TUNER-R
GND
TUNER-L
DET OUT
+12 V
+5 V
SIGNAL
GND
C CLK
DATA
PLLCE
P250
U7
ACOUSTIC CIRCUIT
PC BOARD(NAAF-6934)
GND GND GND
+B
GND GND
-B
JL903B
+B
GND
-B
P906B
P505B
U14
TUNER UNIT
U1
POWER SUPPLY CIRCUIT
PC BOARD(NAPS-6928)
R OUT GND L OUT GND R IN A5 V L IN A5 V GND GND MD5 V MD5 V PWR CNT A MUTE MD RST CD-DIN GND GND H GND H+5 V M+5 V M+5 V 3.3 V A
UX-D OUT
D-IN
MD/CD-A
C2
MD/CD-A
C1
GND -B A
C
R IN
GND
L IN
GND
R OUT
A5 V
L OUT
A5 V
GND GND
MD5 V MD5 V
PWR CNT
A MUTE MD RST
CD-DIN
GND GND GND
H+5 V
M+5 V M+5 V
3.3 V
A
UX-D IN
D-OUT
RC DATA
RCREQ
SHUT DOWN
MD REQ-2
MD CLK
MD DATA-2
VC
VCE
E
D
A
B
C
F
GND
LD
GND
PD
FC+
TR+
TR-
FC-
GND
S STOP
SL-
SL+
SP-
SP+
CLOSE SW GND OPEN SW LD- LD+
P203A
CN102
CN105
MD MECHANISM
(KMK-260BCN)
P370B
D
A
T
A-OUT
GND
+5 V +5 V
GND
D
A
T
A-IN
RI
GND
P914B
U12
CD CONNECTOR
PC BOARD
(NAETC-6939)
CD MECHA
-NISM
(NCD-170S)
JL905B
U10
SELECTOR CIRCUIT
PC BOARD
(NASW-6937)
STEREO
SD
TUNER-R
GND P
TUNER-L DET OUT
+12 V
+5 V
SIGN
AL
GND
C CLK
DA
T
A
PLLCE
PRIMARY CIRCUIT
PC BOARD
(NAPS-6929)
U2
U8
U3
T901
NPT-1399
Power
Transformer
P103
GND GND +12V +5V
GND GND +12V +5V
T902
NPT-1398
Power
Transformer
FR-155