Schematic Diagram - Main Board (7/7) - Sony HCD-ECL5 Service Manual

5-9.

SCHEMATIC DIAGRAM - MAIN Board (7/7) -

1 2
MAIN BOARD (7/7)
A
C192 C192
0.1uF/50V/X7R 0.1uF/50V/X7R
CH4B
CH4A
PWM INPUT
CH3B
CH3A
AMP_FAULT
C205 C205
R230 R230
+ +
CE29 CE29
10K 10K
100uF/16V 100uF/16V
B
process input
EAPD
FB27 FB27 75/200mA 75/200mA
DVCC3
C215 C215
+ +
CE30 CE30
100uF/16V 100uF/16V
C
D
AMP_DET
E
HCD-ECL5
3 4
U22 U22
STA518 STA518
36 1
VCC-Sign SUB-GND
L4 L4 22uH/3.3A 22uH/3.3A
35 2
VCC-Sign OUT2B
C193 C193
34 3
0.1uF/50V/X7R 0.1uF/50V/X7R
VSS OUT2B
33 4
VSS VCC2B
C196 C196 R227 R227
32 5 1uF/50V/X7R 1uF/50V/X7R C199 C199
IN2B GND2B 22 22
0.47uF 0.47uF
31 6
IN2A GND2A
30 7
IN1B VCC2A
C202 C202
29 8 C201 C201
330pF/50V/X7R 330pF/50V/X7R
IN1A OUT2A
0.1uF/50V/X7R 0.1uF/50V/X7R
L5 L5 22uH/3.3A 22uH/3.3A
28 9
TH-WAR OUT2A
22uH/3.3A 22uH/3.3A
27 10
L6 L6
R231 R231 FAULT OUT1B
NC/10K NC/10K
26 11
TRI-STATE OUT1B
0.1uF/50V/X7R 0.1uF/50V/X7R
25 12 R232 R232
PWRDN VCC1B
C208 C208 22 22
24 13 C209 C209
1uF/50V/X7R 1uF/50V/X7R
CONFIG GND1B
0.47uF 0.47uF
23 14
VL GND1A
C213 C213
22 15
VDD VCC1A
330pF/50V/X7R 330pF/50V/X7R
21 16 C214 C214
VDD OUT1A
0.1uF/50V/X7R 0.1uF/50V/X7R
C216 C216 L7 L7 22uH/3.3A 22uH/3.3A
20 17
GND-Reg OUT1A
0.1uF/50V/Y5V 0.1uF/50V/Y5V
19 18
GND-CLEAN NC
+ +
CE31 CE31 C219 C219
820uF/50V 820uF/50V 0.1uF/50V/X7R 0.1uF/50V/X7R
+12V-A
3
+ +
1
V_12V +12V-A 2
- -
U23A U23A
F4558 F4558
R235 R235
10 10 C220 C220
0.1uF/50V/X7R 0.1uF/50V/X7R
AMP_DET1 AMP_DET1
R237 R237 R236 R236 15K 15K
6
5.6K 5.6K
7
5
U23B U23B
R239 R239 F4558 F4558 R240 R240
C221 C221
CE33 CE33
2.7K 2.7K 30K 30K
1uF/16V/Y5V 1uF/16V/Y5V 0.1uF/50V/X7R 0.1uF/50V/X7R
+12V-A R244 R244
11K 11K
R245 R245 C222 C222
20K 20K 0.1uF/50V/X7R 0.1uF/50V/X7R
5 6
0.1uF/50V/X7R 0.1uF/50V/X7R
C194 C194
C195 C195
1000pF/50V/X7R 1000pF/50V/X7R
R228 R228 C200 C200
R229 R229 FL- 1
6.2 6.2
C198 C198 FL+ 2
6.2 6.2
0.01UF/100V 0.01UF/100V FR- 3
FR+ 4
C203 C203
5
C204 C204 1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
C206 C206
C207 C207
1000pF/50V/X7R 1000pF/50V/X7R
R233 R233 C211 C211
C210 C210
6.2 6.2 R234 R234
0.01UF/100V 0.01UF/100V
6.2 6.2
C218 C218
C217 C217 1000pF/50V/X7R 1000pF/50V/X7R
0.1uF/50V/X7R 0.1uF/50V/X7R
FB28 FB28
FR+
FB80@100MHz FB80@100MHz
AMP_29V
+ +
CE37 CE37
FR-
NC/820uF/50V NC/820uF/50V
FL+
FL-
R238 R238
CE32 CE32 4.7uF/50V 4.7uF/50V 1K 1K
D8 D8 LL4148 LL4148 FL-
R241 R241 R242 R242 + +
CE34 CE34
220K 220K 68.1K 68.1K
10uF/16V 10uF/16V D9 D9 LL4148 LL4148 FR-
CE35 CE35 4.7uF/50V 4.7uF/50V R243 R243
1K 1K
R246 R246 R247 R247
8.2K 8.2K 8.2K 8.2K
25 25
7 8
CON_5P_0GNDD CON_5P_0GNDD
1
2
3
4
5
JK1 JK1
R773 R773 220K 220K
R775 R775 C530 C530
220K 220K
10uF/16V/X7R 10uF/16V/X7R
R774 R774 220K 220K
Q756 Q756 Q757 Q757
PNP_3CG3906M PNP_3CG3906M PNP_3CG3906M PNP_3CG3906M
R776 R776 220K 220K
R778 R778 C531 C531
220K 220K
10uF/16V/X7R 10uF/16V/X7R
R777 R777 220K 220K
Q758 Q758 Q759 Q759
PNP_3CG3906M PNP_3CG3906M PNP_3CG3906M PNP_3CG3906M
R782 R782
100 100
R783 R783
C769 C769
100K 100K
0.22UF/50V/Y5V 0.22UF/50V/Y5V
AMP_FAULT
Q17 Q17
NPN_3DG3904M NPN_3DG3904M
HCD-ECL5