Read Sharp LC-20B2E (serv.man2) Service Manual online
24
LC-13B2H/M
LC-15B2H/M
LC-20B2H/M
LC-15B2H/M
LC-20B2H/M
29
NC
Not connected
30
DACM_SUB
Subwoofer output
31
NC
Not connected
32
NC
Not connected
33
SC2_OUT_R
SCART output2, right
34
SC2_OUT_L
SCART output2, left
35
VREF1
Reference ground1
36
SC1_OUT_R
SCART output1, right
37
SC1_OUT_L
SCART output1, left
38
CAPL_A
Volume capacitor AUX
39
ABVSUP
Analog power supply 8V
40
CAPL_M
Volume capacitor MAIN
41
NC
Not connected
42
NC
Not connected
43
AHVSS
Analog ground
44
AHVSS
Analog ground
45
AGNDC
Analog reference voltage
46
NC
Not connected
47
SC4_IN_L
SCART4 input, left
48
SC4_IN_R
SCART4 input, right
49
ASG4
Analog Shield Ground4
50
SC3_IN_L
SCART3 input, left
51
SC3_IN_R
SCART3 input, right
52
ASG2
Analog Shield Ground2
53
SC2_IN_L
SCART2 input, left
54
SC2_IN_R
SCART2 input, right
55
ASG1
Analog Shield Ground1
56
SC1_IN_L
SCART1 input, left
57
SC1_IN_R
SCART1 input, right
58
VREFTOP
Reference voltage IF A/D converter
59
NC
Not connected
60
MONO_IN
Mono input
61
AVSS
Analog ground
62
AVSS
Analog ground
63
NC
Not connected
64
NC
Not connected
65
AVSUP
Analog power supply 5V
66
AVSUP
Analog power supply 5V
67
ANA_IN1+
IF input1
68
ANA_IN–
IF common
69
ANA_IN2+
IF input2
70
TESTEM
Test pin
71
XTAL_IN
Crystal oscillator
72
XTAL_OUT
Crystal oscillator
73
TP
Test pin
74
AUD_CL_OUT
Audio clock output (18.423MHz)
75
NC
Not connected
76
NC
Not connected
77
D_CTL_I/O_1
D_CTL_I/O_1
78
D_CTL_I/O_0
D_CTL_I/O_0
79
ADR_SEL
I
2
C Bus address select
80
STANDBYQ
Stadby (low-active)
4-19. Description of tuner unit (TU3201) VTUVT2U5CD553 terminals
No.
Terminal name
Description
1
AGC
RF-AGC
2
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