Fl Driver; Power Amplifier; Front/Center Amp - Kenwood KRF-V4060D Service Manual

5-2 FL Driver : MN12510 (X14, IC801)
Pin No. Pin Name
1 P21,P20
3 P03
4~6 P02~P00
7~10 DGT(7~4)
11 NC
12~15 DGT(3~0)
16 VPP
17 NC
18 VDD
19 OSC1
20 OSC2
21 VSS
22 NCS
23 SCK
24 SDI
25 SDO
26 P30
27~30 P(31~34)
31 SEG0
32 SEG1
33 SEG2
34 SEG3
35~38 SEG(4~7)
39~42 P(10~13)
43,44 P23,P24

5-3 Power Amplifier

5-3-1 Front/Center Amp : STK443(X09,IC301) KRF-V4060D/V5060D/VR-605
Pin No. Pin Name
1 +VCC
2 -VCC
3 SUB GND
4 +RE/CH1
5 -RE/CH1
6 -RE/CH2
7 +RE/CH2
8 -PRE
9 +PRE
10 IN/CH1
11 NF/CH1
12 BIAS
13 NF/CH2
14 IN/CH2
15 IN/CH3
16 NF/CH3
17 +RE/CH3
18 -RE/CH3
KRF-V4060D/V5060D/V5560D/VR-605/615
CIRCUIT DESCRIPTION
I/O
O Segment 1,2 output.
O Unused.
O Grid (1~3) output.
O Grid (4~7) output.
- Unused.
O Grid (8~10) output.
- Power supply (-30V).
- Unused.
- Power supply (+5V).
- Crystal (4MHz) connection port.
- Crystal (4MHz) connection port.
- GND
I Strobe input.
I Clock input.
I Data input.
O Data output.
- Unused.
I Key return signal input.
O Segment (S16) output.
O Segment (S15)/key scan output.
O Segment (S14)/key scan output.
O Segment (S13)/key scan output.
O Segment (S12~S9) output.
O Segment (S8~S5) output.
O Segment (S4,S3) output.
Connection port for power supply (+B).
Connection port for power supply (-B).
GND
FR ch (+) output.
FR ch (-) output.
FL ch (-) output.
FL ch (+) output.
Connection port for pre power supply (-B).
Connection port for pre power supply (+B).
FR ch input.
FR ch feedback.
Bias connection port.
FL ch feedback.
FL ch input.
Center ch input.
Center ch feedback.
Center ch (+) output.
Center ch (-) output.
Description
Description
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