Schematic Diagrams - Harman Kardon AVR 255 Service Manual

harman/kardon
6
ALL version
A-BUS OUT
AVR355 OPTION
has TUNER module.
MULTI_OUT
TO FUNCTION SEL
TUNER L/R AVR354&355 OPTION
TUNER
D TUNER CONT
MODULE
FL/R
SL/R
SBL/R
CEN/SUB
DATA CLOCK
NJW1197FC2
ANALOG 5 IN
ANALOG 4 IN
ANALOG 4 OUT
ANALOG 3 IN
ANALOG 2 IN
ANALOG 2 OUT
C
ANALOG 1 IN
ANALOG FRONT IN
XM IN
USA VER. ONLY
iPod IN
STEREO or iPod IN
HDMI_IN1
HDMI MCLK
XM_DAT
HDMI SCLK
D-
XM_LRCK
XM_L
HDMI LRCK
XM_BICK
D+
HDMI SD
XM_R
XM_MCK
USA VER. ONLY
iPod L/R
iPod IN
B
iPod TX
TMP86F409NG
iPod RX iPod CONT
(8BIT u-COM for iPod)
iPod CVBS
iPod CVBS
AVR354 & 355 OPTION
ST232CDR
AVR354 & 355 OPTION
THE BRIDGE II IN FROM THE BRIDGE II
( iPod CVBS ) ( iPod )
RS232C
COMPOSITE FRONT IN FROM FRONT
AVR354 & 355 OPTION
THE BRIDGE II SDRAM
COMPOSITE 3 IN
CONT
FRONT VIDEO 32M
+6dB DRV
CVBS
COMPOSITE 2 IN
V3
V2 FLI30336 ANALOG INPUT
DDR SDRAM
COMPOSITE 2 OUT
V1 +6dB DRV
256M * 2EA
COMPOSITE 1 IN
+6dB DRV
NJM2595
Y
S-VIDEO FRONT IN FROM FRONT
C
FRONT VIDEO
CONT NJM2566 ANALOG OUTPUT
V3
+6dB DRV
S-VID Y
V2
FLI30336 ANALOG INPUT
COMPOSITE MONITOR OUT
V1
Y
+6dB DRV
Y
S-VIDEO 3 IN C
C
A
NJM2595
S-VIDEO MONITOR OUT
Y
S-VIDEO 2 IN
C
FRONT VIDEO
Y
CONT
V3
S-VIDEO 2 OUT C
+6dB DRV S-VID C
Y
V2
FLI30336 ANALOG INPUT
S-VIDEO 1 IN C V1
+6dB DRV
NJM2595
VIDEO SWITCHING CONTROL BY MCU
5
6dB AMP
NJW1159
2CH
VOL
MULTI_MUTE * 2EA
HDMI_IN2 HDMI_IN3 HDMI_OUT
SII9134
COAX.&OPT. FRONT
(HDMI TX)
SII9185
OPT.1
(SW IC)
OPT.2
LT
OPT.3
RT
SII9135
COAX.1
HDMI_SPDIF
(HDMI RX)
I2S
I2S COAX.2
I2S
FLI30336
COAX OUT
TORINO
ADV7342
DIGITAL VIDEO
(SCALER) (DAC) A-BUS IR IN
MAX : 1080p
CARR. OUT
CVBS_TORINO IN
S-VID Y_TORINO IN
ZONE2 IN
S-VID C_TORINO IN
Y1/2/3__TORINO IN
NJM2566
Cb1/2/3_TORINO IN
I2S/DSP_SPDIF
REMOTE IN
Cr1/2/3_TORINO IN
6dB
REMOTE OUT
6CH VIDEO OUT
CVBS_OUT
S-VID Y_OUT
S-VID C_OUT
Y_OUT
Cb_OUT
Cr_OUT
COMPO COMPO COMPO
FLI30336 ANALOG INPUT
INPUT1 INPUT2 INPUT3
Y1
Y
Y Y
Y2
Cb1
Cb Cb Cb
Cb2
Cr1
Cr Cr Cr
Cr2
Y3
Cb3
Cr3
NJM2566 ANALOG OUTPUT
COMP_Y_OUTPUT
Y
COMP_Cb_OUTPUT
Cb
COMP_Cr_OUTPUT
Cr
COMMUNICATION BETWEEN TORINO & TOSHIBA MCU
UART RX/TX
4 3
PRE AMP
-
+
TONE
PRE AMP
-
+
TONE
PRE AMP
-
+
PRE AMP
-
+
PRE AMP
-
+
PRE AMP
-
+
PRE AMP
-
+
SBL/MULTI L
PRE AMP
-
+
SBR/MULTI R
24.576MHz
CS42528
AINR
A/D, D/A CONVERTER WITH DIR
AINL
CLKIN
XMCK
XMCK
DIN RMCK
SPI Serial Flash
RDATA CMPDAT
8 Mbit
RBCK
CMPCLK
ADDRESS&DATA
DOUT
RLRCK CMPREQ
OMCK
DAOMCLK
CS497004
I2S
DSP M12L16161A
16M SDRAM
I2S
DIR CONT
DSP MCLK
HDMI MCLK
DIR MCLK
HDMI MCLK
74VHC157
2CH MUX
EEPROM (32 Kbit)
REMOTE IN
RST IC
TOSHIBA
CARR. OUT
POWER AMP CONT
16BIT u-COM
MULTI_IR IN iPod Buffer IC CONT
A-BUS_IR OUT
VIDEO SWITCHING CONT
** EEP_ROM **
FOR BACK-UP MEMORY.
ST232CDR
2
AVR254/255/354/355 BLOCK DIAGRAM
PRE-OUT
MAIN AMP
P-AMP
FRONT L
+29dB
P-AMP
FRONT L
FRONT R
+29dB
P-AMP
SBL/MULTI L
+29dB
FRONT R
P-AMP
SBR/MULTI R
+29dB
P-AMP
SURR L
+29dB
SURR L
P-AMP
SURR R
+29dB
SURR R
P-AMP
CEN
+29dB
DC/OVER CURRENT
Temp. Sensor
HEAT2
POWER
CEN AMP
TEMP I/F
MUTE
P_LINE_FAIL
PROTECT
TO XM PART
SUBWOOFER
(TO VIDEO PART)
REGULATOR
+5.3V
(+5V)
TO TORINO PART
TO TORINO PART REGULATOR
REGULATOR
+9VDH
+5V (+9V)
(+5V)
+9VDH
+1.8V (+1.8V)
(+1.8V)
TO DSP PART
REGULATOR
+5VD
(+5V)
TO VIDEO PART
+5V
REGULATOR
+12V
(+12V)
TO VIDEO PART
TO DSP PART
(TO IPOD PART)
REGULATOR
+9V
+15V
(+9V) REGULATOR
TO VIDEO PART
-15V
( 15V)
-9V (-5V)
TO A-BUS PART
REGULATOR
+24V
( 24V)
+VCC1
UNBAL
DETECT
-VCC1
+VCC2
UNBAL
DETECT
-VCC2
+VKK FL FL
ROTARY
REMOTE SENSOR
ENCODER
(MASTER VR)
FL DISPLAY
KEY MATRIX
MOMS SWITCH
KEY0~2
(BLUE)
VOLUME Indicator
AVR 255/230 Service Manual
1
MIC_AMP
HP_IN
+8dB
MIC SIG. +40dB
HP_AMP
+12V
H_PHONE OUT
or MIC_INPUT
D
1
+
FL
-
2
3
+
FR
-
4
5
+
SBL/ZONE2 LEFT
-
6
7
+
SBR/ZONE2 RIGHT
-
8
9
10
1
SL
2
SENS
3
SR
4
5
CEN
6
C
M/P
ISSUE
ANAM
MULTI. LAB
2008.02.25
+5VL +5VL REG
PWR DOWN
P-DOWN
POWER S/W
+12V
SUB TRANS
B
AC OUTLET AC IN
REVISION 2 4 6 A
1 3 5 7
SCHEMATIC DIAGRAM
SHEET
1
MODEL AVR254/255/354/355
1
DESIGN CHECK APPROVE DRAWING NO
BLOCK DIAGRAM
S.H.Yang W.Y.Yang G.S.Wey
2024BLDZ
1
08.02.25 08.02.25 08.02.25 1
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