Block Diagram - Harman Kardon AVR254 Service Manual

6
ALL version
A-BUS OUT
AVR355 OPTION
has TUNER module.
TO FUNCTION SEL MULTI_OUT
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
C ANALOG 2 OUT
ANALOG 1 IN
ANALOG FRONT IN
XM IN
USA VER. ONLY
iPod IN
STEREO or iPod IN
HDMI_IN1 HDMI_IN2
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
FLI30336
ST232CDR TORINO
AVR354 & 355 OPTION
(SCALER)
THE BRIDGE II IN FROM THE BRIDGE II
( iPod CVBS ) ( iPod )
RS232C
COMPOSITE FRONT IN FROM FRONT
AVR354 & 355 OPTION
THE BRIDGE II
COMPOSITE 3 IN SDRAM
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
C
S-VIDEO 3 IN
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 4
6dB AMP
NJW1159
2CH
VOL
TONE
MULTI_MUTE * 2EA
TONE
HDMI_IN3 HDMI_OUT
SII9134
COAX.&OPT. FRONT
(HDMI TX)
SII9185
OPT.1
(SW IC)
OPT.2
LT AINR
OPT.3
SII9135 RT AINL
COAX.1
HDMI_SPDIF
(HDMI RX)
I2S
COAX.2
I2S
I2S
COAX OUT
ADV7342
DIGITAL VIDEO
(DAC)
A-BUS IR IN
MAX : 1080p
DIN
CARR. OUT
CVBS_TORINO IN
DOUT
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
Cr1/2/3_TORINO IN REMOTE IN
6dB
DIR CONT
REMOTE OUT
DSP MCLK
6CH VIDEO OUT
HDMI MCLK
CVBS_OUT
S-VID Y_OUT
DIR MCLK
S-VID C_OUT
Y_OUT HDMI MCLK
Cb_OUT
Cr_OUT
FLI30336 ANALOG INPUT COMPO COMPO COMPO
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
3
AVR254/255/354/355 BLOCK DIAGRAM
PRE-OUT
PRE AMP
-
+
FRONT L
PRE AMP
-
+
FRONT R
PRE AMP
-
+
SURR L
PRE AMP
-
+
SURR R
PRE AMP
-
+
CEN
PRE AMP
-
+
SUBWOOFER
PRE AMP
-
+
SBL/MULTI L
PRE AMP
-
+
SBR/MULTI R
24.576MHz
CS42528
A/D, D/A CONVERTER WITH DIR
CLKIN
XMCK
XMCK
RMCK
SPI Serial Flash
RDATA CMPDAT
8 Mbit
RBCK
CMPCLK
ADDRESS&DATA
RLRCK
CMPREQ
OMCK
DAOMCLK
CS497004
I2S
DSP M12L16161A
16M SDRAM
I2S
74VHC157
2CH MUX
EEPROM (32 Kbit)
REMOTE IN
RST IC
TOSHIBA
CARR. OUT
16BIT u-COM POWER AMP CONT
MULTI_IR IN iPod Buffer IC CONT
A-BUS_IR OUT
VIDEO SWITCHING CONT
** EEP_ROM **
FOR BACK-UP MEMORY.
ST232CDR
38
2
+8dB
MIC SIG.
MAIN AMP HP_AMP
+12V
P-AMP
FRONT L
+29dB
P-AMP
FRONT R
+29dB
P-AMP
SBL/MULTI L
+29dB
P-AMP
SBR/MULTI R
+29dB
P-AMP
SURR L
+29dB
P-AMP
SURR R
+29dB
P-AMP
CEN
+29dB
DC/OVER CURRENT
SENS
Temp. Sensor
HEAT2
POWER
AMP
TEMP I/F
MUTE
P_LINE_FAIL
PROTECT
TO XM PART
(TO VIDEO PART)
REGULATOR
+5.3V
(+5V)
TO TORINO PART
REGULATOR
TO TORINO PART
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)
+5VL +5VL REG
+VCC1 PWR DOWN
P-DOWN
UNBAL
DETECT
+12V
-VCC1
SUB TRANS
+VCC2
UNBAL
DETECT
-VCC2
+VKK FL FL
ROTARY
REMOTE SENSOR
ENCODER
(MASTER VR)
FL DISPLAY
KEY MATRIX
MOMS SWITCH
KEY0~2
(BLUE)
VOLUME Indicator
REVISION
2
1 3
SCHEMATIC DIAGRAM
AVR254/255/354/355
MODEL
DESIGN CHECK
S.H.Yang W.Y.Yang
08.02.25 08.02.25
1
MIC_AMP
HP_IN
+40dB
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
3
SR
4
5
CEN
6
C
M/P
ISSUE
ANAM
MULTI. LAB
2008.02.25
POWER S/W
B
AC OUTLET AC IN
4 6 A
5 7
SHEET
1
1
APPROVE DRAWING NO

BLOCK DIAGRAM

G.S.Wey
2024BLDZ
1
08.02.25 1