2-2
FW881
Headphone
jack
J91
HP_L, HP_R
Speaker terminal section
(Headphone jack)
Primary
section
(Power/fuse)
Power
Trans.
Main
plug
Primary section
(Power transformer 2)
CN811
CN55
Primary
section
(Power
transformer 1)
CN72
CN82
T2
Power
Trans.
D51 to D54
Q52
B+5V REG.
FW51
B+5V
RY1
Q53
POWER_ON
D61 to D64
CN71
+B2, -B2
CN402
FL1
FL2
Q71
-VPP REG.
VPP
Primary section
DSP_RST
HREQ
SS, SCK,
MOSI, MISO
GPIO1 to 4
IC667
AD/DA
Converter
IC601, IC602
AMP.
CN682
DSP_IN_L
DSP_IN_R
DSP.L
DSP.R
DSP.LS
DSP.RS
DSP.SrBK
IC671
Digital Signal
Controller
IC661
DSP
RX0
C_BCK, C_LRCLK, S_BCK
S_LRCLK, DATA, D/A0 to 3
CN681
DSPRESET, DSPREADY, DSPCOMMAND
DSP_STATUS, DSP_CLK
A2+/-, B2+/-
S.MUTE
Q2101, Q2102, Q2201, Q2202
Q2301, Q3401, Q2501, Q2708
S.MUTE
DiIGITAL IN1
J681
DIGITAL IN2
UN682
IC622
AMP.
IC632 to IC634
AMP.
IC651
AMP.
A3+/-
B3+/-
A4+/-
RX1
LIN+/-, RIN+/-
RX2
RX3
TX
DIGITAL IN3
UN683
DIGITAL IN4
UN684
UN686
DIGITAL OUT
D_RST, INT, D_CS, CCLK
CDIN, CDOUT
IC611 to IC613
AMP.
A4+/-
B3+/-
DSP.C
DSP.SW
IC682
AD/DA
Converter
D/A 0
C_BCK
C_LRCLK
IC673
MICK
SCK
IC673
Compression
CC_RST
CC_CS
CC_CLK
CCDATA
PD_DD, RST_DD
96K/48K, 192K/96K
DSP IC / Digital signal input terminal section
CN824
R(SPK2)
L(SPK2)
ST832
CN823
FW931
F1_RELAY, F2_RELAY, C_RELAY
SUR_RELAY, SBK_RELAY
L(SPK1)
R(SPK1)
CENTER
ST833
SURR-BACK
SURR-L
SURR-R
ST853
RY831
RY832
RY851
RY852
RY853
Speaker terminal section
(Speaker)
Q761, Q763
Lch AMP.
CN711
CN714
Audio amp section
Q762, Q764
Rch AMP.
CN712
CN719
Audio amp section
Q1751, Q1752
Cch AMP.
CN713
CN722
Audio amp section
Q1951, Q1952
SBch AMP.
CN718
CN717
Audio amp section
Q1851, Q1853
SLch AMP.
CN715
Audio amp
section
Q1852, Q1854
SRch AMP.
CN716
Audio amp
section
+B, -B
CN814
CN813
CN801
RY871
CN881
D801
to
D804
CN701
CN702
CN703
CN704
CN706
CN705
CN723
CN831
HP_RELAY
Speaker terminal
section