Sanyo DC-DA1200M (XE-2); DC-DA1250M (SP-2), Руководство по обслуживанию

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- 10 -
1 2 3 4 5 6 7
FR
FR
8 9
10 11 12 13 14
28 27 26 25 24 23 22 21 20 19 19 17 16 15
-
-
+
+
- +
- +
- +
- +
11k 11k
11k
11k
15.4k
15.4k
15.4k
15.4k
GND
GND
RESET
3.3VREG
MUTE
(Output ON/OFF)
Level shift
Level shift
Level shift
Level shift
External PNP transistor, Collector connect
External PNP transistor, Base connect
VCC1
MUTE
VIN1
VG1
VO1+
VO1-
(NC) (NC)
VO2-
VO2+
VG2
VIN2
REG_C
REG_B
VCC2 VREF VIN4 VG4 VO4+ VO4- (NC) (NC) VO3- VO3+ VG3 VIN3 CD RESET
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
VCC1
MUTE
VIN1
VG1
VO1+
VO1-
(NC)
(NC)
VO2-
VO2+
VG2
VIN2
REG_C
REG_B
RESET Power supply (VCC2, short-circuit 28pin)
Output ON/OFF terminal
CH1, Input terminal
CH1, Input terminal(Gain setting)
CH1, Output te)
CH1, Output terminal(-)
(Do not use)
(Do not use)
CH2, Output terminal(-)
CH2, Output te)
CH2, Input terminal(Gain setting)
CH2, Input terminal
External PNP Connect to transistor collector
External PNP Connect to transistor base
RESET output
PIN No. Pin Name Description (Function) PIN No. Pin Name Description (Function)
16
17
18
19
20
21
22
23
24
25
26
27
28
CD
VIN3
VG3
VO3+
VO3-
(NC)
(NC)
VO4-
VO4+
VG4
VIN4
VREF
VCC2
RESET Connect to condenser
of dalay time setting
CH3, Input terminal(Gain setting)
CH3, Input terminal(Gain setting)
CH3, Output te)
CH3, Output terminal(-)
(Do not use)
(Do not use)
CH4, Output terminal(-)
CH4, Output te)
CH4, Input terminal(Gain setting)
CH4, Input terminal(Gain setting)
Standard applied voltage terminal
Power supply
(VCC1, short-circuit 1pin)
IC211 LA1186N-AUDIO (Diode for RM AMP,MIX,
OSC&AFC)
IC BLOCK DIAGRAM & DESCRIPTION
Vref BUFFER
RF MIX REG OSC
RF IN GND IF OUT Vcc
1 2 3 4 5 6 7 8 9
14
13
12
11
10
1
2
3
4
5
6
7
NF1
IN1
GND (SUB)
GND
Vcc
IN2
FILTER
ALC
ALC
NC
NC
NC
OUT 1
OUT 2
NF2
150k
150k
+
+
-
-
9
8
IC410 BA3314F (Dual Pre Amplifier for Audio)
IC104 LA6548NH-E (CD Driver)