Mother Board Section - Integra DTR-7.3 Service Manual

A
QQ
3 7 63 1515 0
SCHEMATIC DIAGRAM 9-2
1
Q2907
Q2903
SC2712
2SC2712
2
Q2902 Q2908
RN2402 RN2402
Q2923
78M15HF
TE
L 13942296513
O G I
3
79M15HF
RDSDT
4
R
+5VDAC
-15V
GND
+15V
GND
STEREO
SD
TUMUT
VLCL
VLDA
PLLCE Z2LMUTE
AFDA
AFCL
AFSTB
RZ2R RZ2R
GNDADIN GNDADIN
RT
www
GNDADIN GNDADIN
5
LT
GNDADIN GNDADIN
RZ2L RZ2L
.
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Mother board section

NADIS-7746
(SCH. 1)
R2912
4. 7 1/2 W
D2902
1SS352
R2902
1K
D2903
R2903 1SS352
1K
Q2909
2SC2712
R2901
Q2924
O G I
D2922 1SS352
ISS
VSYNC
D2923
1SS352
OSDCS
OSDDA
OSDCL
SYNC
GNDDAC
GNDDAC
VDSTB
VDDA
VDCL
RS10
RS8
-15V
+5V
GND
GNDDAC
+15V
GNDDAC
-5V
AFDA
VCR
AFCL
VBR
AFSTB
VAR
VCI
VBI
VAI
LS4
RT
LS3
LS2
LT
LS1
x ao
y
-15V
GNDDAC
+15V
i
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B
8
P9502B
NAPS-7708
(SCH. 8)
D2931
R2931
RL1N4003
RL1N4003
D2932
Q2932
KTC3875
Q Q
3 6 7 1 3
1K
Q2901
2SC2712
GNDDAC
GNDDAC
R2920 10K
R2924 10K
+5V
GNDDAC
RS8
GNDDAC
SDA
-5V
SCL
VCR
SPRLZ2
VBR
GNDDAC
VAR
+9V
VCI
-5V
VBI
VAI
LS4
LS3
GNDDAC
LS2
GNDDAC
LS1
u163 +5V
RS10
.
C
2 9 9 4 2 8
1 1/2W
R2933 22
1/2W
RN1402
Q2935
Q2933
RN1402
NET
78M 56
Q2934
I O
G
1 5 0 5 8 2 9 9 4
GNDDSP
DAMUTE
XDACS
DSPDA
DSPCL
XDARST
NETTX
NETRX
m
XRESET
+5VNET
+5VNET
co
GNDDSP
GNDDSP
DTR-7.3
D
9 9
U35
E2902
2 8 9 9
5.6S
+13S
GNDDAC
GNDDAC
+24V
RLGND
RLGND
DTADIM
+12V
12VTRG B
12VTRGA
SPRLF
SPRLZ2
POWER
12VTRGZ
232RX
232TX
RI
REMIN