Jk-A/Jk-B - Yamaha n8 Service Manual

H G
JK-A/JK-B CIRCUIT DIAGRAM (n8/n12)
5(9) ∗ /
L
6(10) ∗ /
R
1
5(9) ∗ /
L/MONO
6(10) ∗ /
R
ANALOG
INPUTS
2
7(11) ∗ /
L
8(12) ∗ /
R
7(11) ∗ /
L/MONO
3
8(12) ∗ /
R
4 L L
2TR IN ST OUT
R R
L
ST OUT
R
5
L) ∗ /
(
A L
C-R OUT
( R) ∗ /
A R
6
14 28CC1-2001012683-1
F E
GAIN
5/6(9/10)
OP AMP
GAIN
7/8(11/12)
OP AMP
OP AMP
<STEREO OUTPUT & C-R OUTPUT A>
to DM-A-CN116 (n8) L /
B C
DM-B-CN116 (n12)
(Page 11: H6)
R /
B SW
C-R OUT
C L / LS
C R / RS
D C
∗
OP AMP
OP AMP
∗
OP AMP
OP AMP
OP AMP
OP AMP
<C-R OUTPUT B & C-R OUTPUT C>
AUX OUT
to DM-B-CN115
(Page 11: I18)
B
<STEREO INPUT CH>
to DM-A-CN120 (n8)
DM-B-CN120 (n12)
(Page 12: O9)
: Ceramic Capacitor (chip)（チップセラミックコンデンサー）
: Not installed（未実装）
∗
: Indication in the parentheses "( )" are for n12.
∗
: （ ）はn12の場合を示します。
<2TR INPUT CH>
to DM-A-CN119 (n8)
DM-B-CN119 (n12)
(Page 12: P17)
n12 only
<AUX OUTPUT 1&2>
L
to DM-B-CN114
(Page 10: B14)
R
JK-A/JK-B CIRCUIT DIAGRAM (n8/n12)
A
n8/n12
Model Circuit Board
n8 JK-A
n12 JK-B