Schematic Diagram - Pre-Out Board; (Us, Cnd Models) - Sony STR-DA3000ES Service Manual

STR-DA3000ES
6-40. SCHEMATIC DIAGRAM – PRE-OUT Board – (US, CND models) •
(Page 33)
CN2901 1P
RELAY GND
CN2905 1P C2802
0.1
RELAY GND
L2801
10µH
RY-12V
A-10V
A+10V
(Page 33)
CN2902
3P
C2805 C2806
CN2903 22 22
6P 16V 16V
PREOUT-RY
AUCOM-CLK
AUCOM-DATA
R2906
PREVOL-LAT 0
AGND
(Page 75)
PRE-SW
R2907
0
PRE-C
AGND
PRE-SBL
AGND
PRE-SBR
AGND
PRE-SL
AGND
PRE-SR
(Page 75)
AGND
R2908
0
PRE-L
AGND
PRE-R
AGND
CN2904
14P
See page 77 for IC Block Diagrams.
Q2800
DTA114TKA
BUFFER
R2919
100k
C2916
C2915 R2917 R2918
220
22 50V 1k 33
10V
C2922
0.01
C2924
0.0022
TONE/ELECTRICAL
VEE
VOLUME
IC2912
CXD9725M
C2936 R2937 R2938
C2935
22 50V 220 1k 33
10V
C2966
R2956 C2965 R2967 R2968
220
0 22 50V 1k 33
10V
R2957
0
C2972
0.01
TONE/ELECTRICAL
VOLUME VEE
IC2962
CXD9725M
R2958
0
C2985 C2986
R2987 R2988
220
22 50V
1k 33
10V
R2903
10k
R2953
10k
Q2951 Q2901
2SC2712-YG 2SC2712-YG
R2952 R2902
4.7k 4.7k
Q2801,2851,2901,2951
RELAY DRIVER
R2805
100k
R2806 0
R2807
0
C2917
220p
C2918
22
50V
LINE AMP R2808
0
VCC
R2835 100k
IC2913
NJM4580E-D
R2855
100k
R2856
0
R2857
0
R2939 C2937
100k 220p
C2967
220p
LINE AMP
R2858
0
VCC
IC2963
NJM4580E-D
R2989 C2987
100k 220p
58 58
R2853 R2803
10k 10k
Q2851 Q2801
2SC2712-YG 2SC2712-YG
R2852 R2802
4.7k 4.7k
R2820
68k
C2816 R2818 R2819 C2817
C2815 R2817
220 33 100k 220p
22 50V 1k C2818
10V
22
50V
R2822
100
R2842
100
TONE/ELECTRICAL VCC
VOLUME IC2813
NJM4580E-D
R2804
10
VEE
IC2812
CXD9725M
C2822
0.01
C2838
22
50V
C2836 R2837 R2838 C2837
C2835
220 10V 22 50V 1k 33 220p
R2839
100k R2870
68k
C2866
C2865 R2868
220 R2869 C2867
22 R2867 33
10V 100k 220p
50V 1k C2868
22
50V
C2872
0.01
VCC
IC2863
NJM4580E-D
TONE/ELECTRICAL
VEE
VOLUME
R2892
100
IC2862
CXD9725M
C2888
22
50V
R2920
68k
C2886 C2885 R2887
R2888 C2887
220 10V 22 50V 1k
33 220p
R2889
100k
R2922
100
R2942
100
C2938
22
50V
R2940
68k
R2970
68k
C2968 R2972
22 100
50V
R2992
100
C2988
22
50V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
J2815
2P
R2824 C2819
1k 100p
SUB WOOFER
AUDIO OUT
RY2801
-1
PREOUT
CENTER
R2844 C2839
1k 100p
-2
C2834
0
(CHASSIS)
D2801
1SS355TE-17
C2801
0.1
LINE AMP
R2840
68k
RY2851 R2873
1k
-1
J2875
2P
-2
C2869
L
100p PREOUT
SURROUND
R2872
100 BACK
R
C2889
R2893
D2851
1k 100p
1SS355TE-17
C2884
0
C2851
R2854
0.1
10
(CHASSIS)
R2890
68k
LINE AMP
R2923
1k
RY2901
-1
J2915
C2919 2P
L
100p
-2
PREOUT
SURROUND
R
R2943 C2939
1k 100p
R2904
10
D2901 C2934
1SS355TE-17 0
C2901
0.1 (CHASSIS)
RY2951 R2973 C2969
1k 100p J2975
2P
L
PREOUT
FRONT
R
R2993 C2989
C2983
1k 100p
0
R2954
10
D2951
1SS355TE-17
(CHASSIS)
C2951 R2990
0.1 68k
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.