Denon DCD-F101 Service Manual page 13

LA6559 (IC103)
REV 1
Signal System VCC
S-VCC 2
Input
Power Supply
(Forward/Reverse/
(LOADING)
CH2 to CH4
VCC2 3
Break/OFF)
CH1 Output
VLO- 4
VLO+ 5
VO4+ 6
VO4- 7
VO3+ 8
VO3- 9
Power
System
GND
FR FR
VO2+ 10
3.3VREG
(External PNP)
VO2- 11
VO1+ 12
VO1- 13
VCC1 14
Power Supply
3.3VREG GND
(CH1 to CH4)
VIN1 15
VIN1- 16
33k
11k
VIN1+ 17
VIN2 18
LA9241M (IC101)
FIN2 1
FIN1 2
E 3
F 4
TB 5
-
TE 6
TE 7
TESI
8
SCI 9
TH
10
TA
11
-
TD 12
TD 13
JP
14
TO 15
FD 16
Thermal
Shutdown
36 FWD
Signal System GND
35 S-GND
34 MUTE2
MUTE2
Output
33 MUTE1
MUTE1
ON/OFF
32 VIN4
33k
31 VIN4-
11k
30 VIN4+
29 VREF-IN
28 VCONT(LOADING)
Power System GND
FR FR
PNP Tr
Collector
27 REG-OUT
PNP Tr
Base
26 REG-IN
33k
25 VIN3+
11k
24 VIN3-
23 VIN3
22 GND-VREG
3.3VREG
Power Supply
21 VCC-VREG
33k
20 VIN2+
11k
19 VIN2-
48 NC
47 TBC
46 FSC
45 DGND
44 SLI
43 SLC
-
42 RFS
41 RFSM
+
40 CV
-
39 CV
38
SLOF
37 HFL
36 TES
35 TOFF
34 TGL
+
33
JP
Pin
Name
No.
5CH output change terminal, logic input of
1 REV
loading block
signal system power supply
2 S-Vcc
(BTL-AMP:CH1~4)
3 Vcc2 Power supply for loading block
4 VL0− Loading output (−)
5 VL0+ Loading output (+)
6 VO4+ Output terminal (+) for channel 4
7 VO4− Output terminal (−) for channel 4
8 VO3+ Output terminal (+) for channel 3
9 VO3− Output terminal (−) for channel 3
10 VO2+ Output terminal (+) for channel 2
11 VO2− Output terminal (−) for channel 2
12 VO1+ Output terminal (+) for channel 1
13 VO1− Output terminal (−) for channel 1
14 Vcc1 CH1~CH4(BTL-AMP) output stage power supply
15 VIN1 Input terminal for channel 1
16 VIN1− OP-AMP input AMP-A input terminal (−)
17 VIN1+ OP-AMP input AMP-A input terminal (+)
18 VIN2 Input terminal for channel 2, input AMP output
19 VIN2− Input terminal (−) for channel 2
20 VIN2+ Input terminal (+) for channel 2
21 Vcc-VREG 3.3VREG power supply
22 GND-VREG 3.3VREG GND
23 VIN3 Input terminal for channel 3, input AMP output
24 VIN3− Input terminal (−) for channel 3
25 VIN3+ Input terminal (+) for channel 3
26 REG-IN PNP transistor base connected
3.3V power output to which the PNP transistor
27 REG-OUT
collector connected
28 VCONT Loading output voltage set terminal
29 VREF-IN Reference voltage applied terminal
30 VIN4+ Input terminal (+) for channel 4
31 VIN4− Input terminal (−) for channel 4
32 VIN4 Input terminal for channel 4, input AMP output
33 MUTE1 Output ON/OFF for channel 1 (BTL AMP)
34 MUTE2 Output ON/OFF for channel 2 to 4 (BTL AMP)
35 S-GND Signal system GND
Output change terminal (FWD) for loading
36 FWD
output (VLO+−), logic input of loading block
64 63 62 61 60
APC
RF DET
FIN2 1
FIN1 2
VCA
I/V
E 3
BAL VCA
4
F
TB 5
TE
-
TE 6
TE 7
TESI 8
T. SERVO & T.LOGIC
SCI 9
10
TH
TA 11
-
TD
12
F.SERVO & F.LOGIC
TD 13
JP 14
TO
15
FD 16
17 18 19
DCD-F101
Function
59 58 57 56 55 54 53 52 51 50 49
REF
m -com
SLC
INTER FACE
RF Amp
SPINDLE
SLED SERVO
SERVO
20 21 22 23 24 25 26 27 28 29 30 31 32
48 NC
47 TBC
46 FSC
45 DGND
44 SLI
SLC
43
-
42 RFS
41 RFSM
+
CV
40
-
39 CV
38 SLOF
37 HFL
36 TES
35 TOFF
34 TGL
JP +
33
13