Marantz SR6004, Service Manual

Page: 131 / 224

163
IC18 : NJW1321
IC18 : NJW1321
Q
1. V+ 13. PORT2 25. AUX0 37. V+
2. Pb IN2 14. ADR 26. AUX1 38. Pb IN4
3. GND 15. SCL 27. Y OUT2 39. GND
4. Pr IN2 16. SDA 28. AUX2 40. Pr IN4
5. GND 17. GND 29. AUX3 41. V+
6. Y IN1 18. DGND 30. Pr OUT1 42. Y IN3
7. V+ 19. VREG 31. GND 43. GND
8. Pb IN1 20. V+ 32. Pb OUT1 44. Pb IN3
9. V+ 21. Pr OUT2 33. GND 45. V+
10. Pr IN1 22. PORT1 34. Y OUT1 46. Pr IN3
11. GND 23. PORT 0 35. V+ 47. GND
12. PORT3 24. Pb OUT2 36. Y IN4 48. Y IN2
V
+
GND
V+
Pb IN2
Pr IN2
Y IN1
Pb IN1
Pr IN1
PORT3
V+
ADR
PORT2
GND
SCL
SDA
DGND
VREF
V+
Pr OUT2
PORT1
PORT0
Pb OUT2
1 14
38 25
39
24
48 15 Y IN2
GND
Pr IN3
V+
Pb IN3
GND
Y IN3
V+
Pr IN4
GND
GND
A
UX0
A
UX1
Y OUT2
A
UX2
A
UX3
Pr OUT1 GND Pb OUT1 GND Y OUT1 V+ Y IN4 V+ Pb IN4
GND
Q Q
Q
Q
6dB
6dB
6dB
6dB
6dB
6dB
I
2
C BUS
Y/R IN1
Y/R IN2
Y/R IN3
Y/R IN4
Pb/G IN1
Pb/G IN2
Pb/G IN3
Pb/G IN4
Pr/B IN1
Pr/B IN2
Pr/B IN3
Pr/B IN4
Y/R OUT1
Y/R OUT2
Pb/G OUT1
Pb/G OUT2
Pr/B OUT1
Pr/B OUT2
ADDRESS
SDA
SCL
V+
GND
AUX 0
AUX 1
AUX 2
AUX 3
PORT 0
PORT 1
PORT 2
PORT 3
VREF
BIAS
DGND