Yamaha SB168-ES Service Manual page 147

X W V
HAAD2 CIRCUIT DIAGRAM 001 (SB168-ES)
1
2
8,16
3
MA728 (V477120R)
4
DIODE
HAAD2: D103–106, D203–206,
D303–306, D403–406
1
5
2
1: ANODE
2: CATHODE
D1F60 (VS20110R)
6
DIODE 1A 600V
HAAD2: D101, D102, D107, D201,
D202, D207, D301, D302, 7,15
D307, D401, D402, D407
7 1
2
1: ANODE
2: CATHODE
8 2SC2240 (IC224030)
TRANSISTOR
HAAD2: TR105, TR106, TR205, TR206,
TR305, TR306, TR405, TR406,
9
2
INPUT
3
1: EMITTER
1
2: COLLECTOR
2
1 3: BASE
10
2SB1260 (VV540200)
TRANSISTOR
HAAD2: TR102, TR202, TR302,
TR402
6,14
11
3
2
1
2
1
1: BASE
2: COLLECTOR
3
3: EMITTER
12
KTC3911S (WC139600)
TRANSISTOR
HAAD2: TR101, TR201, TR301,
TR401
3
13
2
1
3
2
1: EMITTER
2: BASE
14 1 3: COLLECTOR
KTC3875S (WC52940R)
5,13
TRANSISTOR
HAAD2: TR103, TR104, TR203,
TR204, TR303, TR304,
TR403, TR404
15
3
2
3 1
2 1: EMITTER
2: BASE
16
1 3: COLLECTOR
17
18 28CC1-2001008798-1
U T S R Q P O N M L K J
MULTIPLEXER
OP AMP
OP AMP
MULTIPLEXER
OP AMP
OP AMP
MULTIPLEXER
OP AMP
OP AMP
MULTIPLEXER
OP AMP
OP AMP
I H G F E D
OP AMP
ADC
OP AMP
• GAIN SETTING CHART（GAIN設定表）
Rated Input
（定格入力）
(dB)
OP AMP
ADC
OP AMP
Head Amp and AD Converter
HAAD2 CIRCUIT DIAGRAM 001 (SB168-ES)
C B A
SB168-ES SB168-ES
: Metal Film Resistor (chip)
（チップ金被抵抗）
: Metal Film Resistor
（金属被膜抵抗）
: Flame Proof C. Resistor
（不燃化カーボン抵抗）
: Mylar Capacitor (chip)
（チップマイラーコンデンサ−）
: Electrolytic Capacitor
（ロ−リ−ク電解コンデンサー）
: Not installed（未実装）