BC BOARD
IC 1
2
3
Q1
2
3
4
5
6
7
8
9
1 0
1 1
1 2
1 3
BT 81 3
BA A.17 BT 014
B8 A3 BJ A12
BJ A7 82 814
B4 B13 83 814
83 B 13- BC/BD/
B14
BC/BO/
BM B13
8. G. P
KILLER
BC Board (NTSC DECODER Y. TRAP)
(BVM-1911 ONLY)
BC
BC
- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - ---- - --- - ' -
B14
B13
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BD/B
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83 A13
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Q21 T
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2SC3068 R TPl ... '--1 Bl 2 B-Y OUT I
+12VB
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82 BB
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83 AB
I
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B3 BB
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B4 88
I
PHASE VR A13
I BC INTSC DECODER)
L _______________________________________ _J
DEMODULATOR
1 4 2SA844 APL
FILTER
RESIDUAL SWITCH
1 5 2SC403SP
A PL
FILTER
ANALOG
SW ITCH
16 2SC403SP LOW
PASS
FILTER
1 7
2SC403SP LOW
PASS
FILTER
1 8 2SC3068
BUFF.
BUFF. 1 9
2SC403SP LOW
PASS
FILTER
ACTIVE
FILTER
20
2SC403SP LOW
PASS
FILTER
Y-DELAY CORRECT
21 2SC3068 BUFF.
BUFF.
101
2SB734 SYSTEM SW.
BUFF.
AMP.
1 03 DTA124ES COMB.
SWITCH
1 04
DTA124ES COMB.
SWITCH
(i) 1 Vp-p (H)
@o.3Vp-p (H)
j) 0.36 Vp-p (H)
BUFF.
BUFF.
PHASE CONTKOL
D 1 1SS11':I SYSTEM SWITCH
PHASE
CONTKOL
2 1T2 5
PHASE
CONTROL
PHASE
CONTROL 3 1SS119
KILLER SWITCH
PHASE
CONTROL
4
RD9.1EB3 SWITCH BIAS.
APL
FILTER
5
1SS119
SYSTEM SWITCH
6
1SS11':I
SYSTEM SWITCH
7
1SS119
PROTECTOR
5-27
5-28
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