Integra DTR-7.4 Service Manual page 30

A
SCHEMATIC DIAGRAM 9 Main and control terminal sections
7746 (SCH. 1)
1
Q2907 Q2903
2
2SC2712 2SC2712
Q2902 Q2908
RN2402 RN2402
02
Q2923
78M15HF
O G I
3
Q2924
79M15HF
O G I
03
4
RDSDET
+5VDAC
-15V
GND
+15V
GND
STEREO
SD
TUMUT -15V
VLCL GND
VLDA +15V
PLLCE Z2LMUTE
AFDA AFDA
AFCL AFCL
AFSTB AFSTB
RZ2R RZ2R
GNDADIN GNDADIN
RT RT
GNDADIN GNDADIN
5
LT LT
GNDADIN GNDADIN
RZ2L RZ2L
B
NAPS-7708 (SCH. 7)
R2912
4.7 1/2W
D2902
1SS352
R2902
1K
D2903
R2903
1SS352
1K
Q2909
2SC2712
R2901
1K
Q2901
2SC2712
D2922 1SS352
ISS
D2923
VSYNC
1SS352
OSDCS
OSDDA
OSDCL
SYNC
GNDDAC
GNDDAC
VDSTB
VDDA
VDCL
RS10
RS8
10K
10K
+5V
GNDDAC
GNDDAC
-5V
VCR
VBR
VAR
VCI
VBI
VAI
LS4
LS3
LS2
LS1
-15V
GNDDAC
+15V
P9502B
R2931
D2931
RL1N4003
1 1/2W
R2933
RL1N4003
22 (1/2W)
D2932
Q2932
KTC3875
Q2934
78M56
I
G
Q2925
78L09A
I O
G
GNDDAC
GNDDAC
R2920
R2924
+5V
GNDDAC
GNDDAC RS8
SDA
-5V
SCL
VCR
GNDDAC
VBR
GNDDAC
VAR
+9V
VCI
-5V
VBI
VAI
LS4
LS3
GNDDAC
LS2
GNDDAC
LS1
+5V
RS10
C
Q2935
RN1402
Q2933
RN1402
NET
O
GNDDSP
DAMUTE
XDACS
DSPDA
DSPCL
XDARST
NETTX
NETRX
XRESET
+5VNET
+5VNET
GNDDSP
GNDDSP
DTR-7.4
D
E2902
5.6S
+13S
GNDDAC
GNDDAC
+24V
RLGND
RLGND
DTADIM
+12V
12VTRGB
12VTRGA
SPRLF
SPRLZ2
POWER
12VTRGZ
232RX
232TX
RI
REMIN