Schematic Diagram - Mic Board - Sony HCD-ZX80D Service Manual

7-18. SCHEMATIC DIAGRAM – MIC Board –
J1101
MIC 2 R1109
10k
C1101
0.01
R1108
10k
J1100
MIC 1 R1110
10k
C1100
0.01
R1118
1k
J1102
3P
VIDEO
VIDEO INPUT L
AUDIO
R
(CHASSIS)
J1103
PHONES
(CHASSIS)
HCD-ZX80D/ZX100D
• See page 67 for IC Block Diagrams.
C1126 C1127
220 10
10V 50V
IC1101(1/2)
NJM4565M IC1101(2/2)
NJM4565M
C1119
47p
R1102
1k
MIC AMP
R1100
C1111
15k
0.22
R1111
50V
10k
C1121 C1102
0.22 0.0015
50V
C1133
0.1
R1130
15k
C1129 R1131
0.1 15k
C1136
EPT1103
0.1
EPT1104 C1142
0.1
C1123
47
16V UDZW-TE17-5.1B
RV1101 R1138 C1104
50k 10k 0.1
MIC 2 LEVEL
C1103 0.1
R1114 R1124 RV1102
10k 10k 50k
MIC 1 LEVEL
R1139 C1117
10k 47
16V
R1147
R1140 10k
15k
RV1100
C1114
50k
4.7
R1137 R1126
C1128 ECHO LEVEL 50V
10k 10k
47p
R1119 R1103
15k 1k R1115 R1116
330 330
C1125 C1112 R1113 C1105
0.0015 1 50V 12k 0.1 50V
C1139
0.1
R1128 R1127 C1135 C1134
33k 33k 220p 220p
41 41
DIGITAL ECHO
IC1100
TC9488FG
D1102
VDD VSS
C1113 68p
OSCC POOUT
R1104 5.6k
OSCR TEST
NC NC
R1106 100
VOL1 VOLST
R1105 100
VOL2 DA OUT
R1107 100
C1124
VOL3 NC
0.0012
NC ADIN
VRO PRIN
C1116 47 16V
VREF MCO
VDA VSA
NC NC
C1115 4.7 50V
ALC1 ALC2
R1152 1.5k
MC1N MC2N
C1108 1 50V
MC1P MC2P
C1106
4.7
50V
C1144
10
50V
C1145
10
50V
R1132
0
FB1101
0
FB1100
0
HCD-ZX80D/ZX100D
Ver. 1.1
R1123 15k
C1110
R1122 1
12k
R1120 3.9k
R1121 6.8k
C1109
0.0047
C1107
4.7
50V
R1156 1.5k
NO1100
2P
VIDEO-SIG
VIDEO-GND
(Page 39)
NO1101
9P
VIDEO(A)-L
JW1102 VIDEO(A)-GND
VIDEO(A)-R
MIC SCORE
MIC DETECT
MIC AGND
FB902
MIC ECHO
A+9V
(Page 46)
H/P DETECT
CN1102
3P
HP-R
JW1101 HP-GND
HP-L
(Page 53)