Text preview for : ms2_e45.pdf part of mc2 e45 service manual MC2 E45
Back to : ms2_e45.pdf | Home
D110
RS2
QS5 D QS16 D
RS4 RS5 CS2
RS29 ZDS5 ZDS6
RS1 QS5 to QS16
CS1 DS4 Vcc Hi
QS1 Vcc Lo
CS5
ZDS1 G G 100/25
S S
Q114
R129 2K7 BC547B Vcc Hi
CS9 RS6 to RS13
QS2 RS37 to RS40 OPT101
1 2 CNY17
RS40
DS2 ZDS2 RS6
R146
CS7
6R8 5W
1uF 400V
RS3 D112 R144
DS1
UF4003 Q102
ZTX690B Q104 2SC3263
R168 330R
R123 C114
All References with 'S' are mounted on PCBs 715,716 or 717 R158 R173 R161
2K2F
0.1uF 250V
2R2F 2R2F 2R2F
D105 3 R159,160,173a,173b Vss Hi
From J105
R138
R142
UF4003
R133
(2R2F) D107
(Sheet 1) BAV21
100RF
Rx1 Q108,110,118,120
1 C108 Cx1 Q106 Q116 Q112
C109 (2SC3263)
* 2SC3263 2SC3263 2SC3263
J106 22/16
R124
R148 22RF
R150 R174 R156
Qx1 R135 0R22
R152,154,176a,176b 0R22 0R22 D108
220R R147 4W 4W 4W BAV21
8 22RF
(0R22) Central
VR103 V+
To D109 R119 U103a 0V.
(Sheet 4) 2
R134
IN- 1 Rx2 330R
OUT
3 R145
IN+
R125 R136
22RF
C107 390R 220R R153 R176 R151
C106 Channel B Output
4 V- 0R22 0R22 0R22
100/25 C111 4W R155,157,176a,176b 4W 4W Hot Cold
R149
C110 4
(0R22)
R126 22/16
Q109 Q117 Q107
R118
C115 2SA1294 Q111,113,119,121 2SA1294 2SA1294
R122 VR104 R137 (2SA1294) +2
2K2F
100RF Bridged
R120 Output +1
ZDS11 R121 -2
R139
R143
D106
R164,165,175a,175b
-1
UF4003 (2R2F)
R170 R163 R175 R162
R127 2R2F 2R2F 2R2F
ZDS10
R169 330R
+2
Q105
2SA1294 OUTPUT A +1
-2
Q103
D111 ZTX790A -1
ZDS9 UF4003
All References with 'S' are mounted on PCBs 715,716 or 717
OPT102
2 1 CNY17 Q115
RS16
R130 2K7 BC557B
CS6 100/25
QS3
RS20 RS36
RS31 ZDS7 ZDS8
DS5 RLY4
DS6
Vss Hi
ZDS4 RS20 to RS27 24V
RS33 to RS36
CS8 D113 D13A
QS17 s QS28
R28A
CS3 ZDS3 DS8 CS4
QS4
QS17 to QS28
Vss Lo Q2A
BC517
RS18 RS19 d To A/P LED
RS15
Sheet 4
RS17
A/P
(From sheet 4)
E45 Power Output Stage PCB710 (main) ,PCB715,716 & 717. Channel A shown. 10th Feb 2004 (Updated 13 Sept. 04)
2 Channel B has same circuit but main PCB references start with 2. (Eg. R241)
MC Audio Drwng. No. SCH_E45 Iss1 Sheet 3 of 4
D110
RS2
QS5 D QS16 D
RS4 RS5 CS2
RS29 ZDS5 ZDS6
RS1 QS5 to QS16
CS1 DS4 Vcc Hi Vcc Hi
QS1 Vcc Lo
CS5
ZDS1 G G 100/25
S S
CS7
Q114
R129 2K7 1uF 400V
BC547B
CS9 RS6 to RS13
QS2 RS37 to RS40 OPT101
1 2 CNY17
RS40 R146
DS2 ZDS2 RS6
6R8 5W
DS1 RS3 D112
UF4003 Q102 R144 Vss Hi
ZTX690B Q104 2SC3263 C114
R168 330R 0.1uF 250V
All References with 'S' are mounted on PCBs 715,716 or 717 R123
R158 R173 R161
2K2F
2R2F 2R2F 2R2F
D105 3 R159,160,173a,173b
From J105 Central
R138
R142
UF4003 (2R2F) D107
(Sheet 1) R133 BAV21 0V.
100RF
Rx1 Q108,110,118,120
1 C108 Cx1 Q106 Q116 Q112
C109 (2SC3263) From Chan B
* 2SC3263 2SC3263 2SC3263
J106 22/16 RL5
D108
R124
R148 22RF
R150 R174 R156 BAV21
Qx1 R135 0R22
R152,154,176a,176b 0R22 0R22
220R R147 4W 4W 4W OUTPUT B
8 22RF
(0R22)
VR103 V+
To D109 R119 U103a +2
(Sheet 4) 2
R134
IN- Rx2 +1
1 330R
OUT -2
3 R145
IN+ -1
R125 R136
22RF
C107 390R 220R R153 R176 R151
C106
4 V- 0R22 0R22 0R22
100/25 C111 4W R155,157,176a,176b 4W 4W
R149
C110 4
(0R22) BRIDGED
R126 22/16 OUTPUT
Q109 Q117 Q107
R118
C115 2SA1294 Q111,113,119,121 2SA1294 2SA1294 +2
R122 VR104 R137 (2SA1294)
2K2F
+1
100RF
-2
R120
ZDS11 R121 -1
R139
R143
D106
R164,165,175a,175b
UF4003 (2R2F)
R170 R163 R175 R162
R127 2R2F 2R2F 2R2F OUTPUT A
ZDS10
R169 330R +2
Q105
+1
2SA1294
-2
Q103
D111 -1
ZTX790A
ZDS9 UF4003
All References with 'S' are mounted on PCBs 715,716 or 717
OPT102
2 1 CNY17 Q115
RS16
R130 2K7 BC557B
CS6 100/25
QS3
RS20 RS36
RS31 ZDS7 ZDS8
DS5 RL4
DS6
Vss Hi
ZDS4 24V (RL5 ChB)
RS20 to RS27
RS33 to RS36
D13A / B
CS8 D113
QS17 s QS28
R28A / B
CS3 ZDS3 DS8 CS4
QS4
QS17 to QS28
Vss Lo BC517
Q2A / B To A/P LED
RS18 RS19 d
RS15 (Sheet 4)