RCH
B
B
B
B
B
B
B
1
7
8,
7,
7
Q2317 (Q2417)
Q2341 (Q2441)
Q5153
Q5154
HP_L(R)
MUTING
CONTROL
HEADPHONE
MUTING
FAN
SWITCH
PCONT
SWITCH
MODE
SWITCH
SWITCH
20
NC
7
OP
F_HOP
6
DBY
STANDBY
F_HOP
SYNC
46
/CE
PCONT/EFP_/CE
PCONT/EFP_/CE
39
DA
0125
MP
Q2948,Q2949
Q5201
Q5202
X5202
X5201
Q2942,Q2943
FAN
MOTOR
DRIVE
DC DETECT
SWITCH
HOPPING
SWITCH
HOPPING
SWITCH
M
FILTER
1(7)
T5950
Q5954
SYNC
DC_DET
DC_DET
FAN
FAN
HP_SW
HP_SW
PA_SW
PA_SW
JK6551
HEADPHONE
VOLTAGE
REGULATOR
(-VP)
CURRENT CONTROL SWITCH/
26V VOLTAGE REGULATOR
CURRENT CONTROL SWITCH/
SWITCH/
VOLTAGE REGULATOR
DECK CONTROL SWITCH/
SUPPLY CONTROL SWITCH/
PCONT CONTROL SWITCH
D5959
Q5951
POWER
TRANSFORMER
T5951
PCONT
CONTROL
F1
Q5953
D5961~D5964
D5961~D5964
D5986,D5987
Q5115
Q5952
Q5950
SYSTEM 6V
VOLTAGE
REGULATOR
JK5950
AC INLET
L5950
LINE FILTER
D5950~D5953
FP5950
FP5940
SUB
TRANSFORMER
D5954~D5957
Q5112~Q5114
5.7V VOLTAGE
REGULATOR
15V VOLTAGE
REGULATOR
CURRENT STABLISER/
LIMITER SWITCH/
11V VOLTAGE REGULATOR
Q5101,Q5110
Q5111
FP5920
Q5102,Q5108,Q5109
Q2950~Q2952
C1BA00000407
2-CH DIGITAL AMP
IC5301
11(13)
VSSP1(2)
8(16)
VDDP1(2)
IN1+
IN1-
2
3
IN2-
21
IN1-
3
IN2-
21
IN2+
22
OSC
1
MODE
BOOT1(OUT1)
L5301
BOOT2(OUT2)
23
9(10)
15(16)
C1BA00000407
2-CH DIGITAL AMP
IC5401
11(13)
VSSP1(2)
8(16)
VDDP1(2)
IN1+
2
IN2+
22
OSC
1
MODE
BOOT1(OUT1)
L5401
BOOT2(OUT2)
23
9(10)
15(16)
IN1-
3
IN2-
21
C1BA00000407
2-CH DIGITAL AMP
IC5501
11(13)
VSSP1(2)
8(16)
VDDP1(2)
IN1+
2
IN2+
22
OSC
1
MODE
BOOT1(OUT1)
L5501
BOOT2(OUT2)
23
9(10)
15(16)
C0JBAB000011
LOGIC IC
IC5201
1
2
5
3(6)
10
SYNCHRONISING
SWITCH
MUTE_D_AMP
MUTE_D_AMP
Q5173
Q5103,Q5104
STANDBY
Z5950
: MAIN SIGNAL LINE
: FM OSC SIGNAL LINE
: FM SIGNAL LINE
: CD SIGNAL LINE
: AM OSC SIGNAL LINE
: AUX SIGNAL LINE
: AM SIGNAL LINE
: FM/AM SIGNAL LINE
: CD-DA (AUDIO/VIDEO) SIGNAL LINE
: PLAYBACK SIGNAL LINE
: RECORD SIGNAL LINE
RL5950
TO
FL DISPLAY
LEFT CH
(6 W)
RIGHT CH
(6 W)
D5126
JK5101
(JK5102)
SUBWOOFER
LCH
LCH
SIGNAL LINES
( ) Indicates the Pin No. of Right Channel.
NOTE : Signal Lines are applicable to the Left Channel only.
FILTER
0244
-AMP
MUTING
SWITCH
Q2555
CURRENT
LIMITING
SWITCH
SA-AK640GCP
56
Summary of Contents for SA-AK640 GBP
Page 13: ...8 Operating Instructions Procedures 13 SA AK640GCP ...
Page 14: ...14 SA AK640GCP ...
Page 23: ...10 3 Main Parts Location 23 SA AK640GCP ...
Page 40: ...12 2 Checking and Repairing of Transformer P C B 40 SA AK640GCP ...
Page 41: ...12 3 Checking and Repairing of Panel Deck Deck Mechanism P C B 41 SA AK640GCP ...
Page 42: ...12 4 Checking and Repairing of Power P C B 42 SA AK640GCP ...
Page 47: ...47 SA AK640GCP ...
Page 48: ...14 2 Power P C B Transformer P C B 48 SA AK640GCP ...
Page 49: ...14 3 Waveform Chart 49 SA AK640GCP ...
Page 50: ...50 SA AK640GCP ...
Page 52: ...52 SA AK640GCP ...
Page 58: ...58 SA AK640GCP ...
Page 60: ...SA AK640GCP 60 ...
Page 62: ...SA AK640GCP 62 ...
Page 68: ...SA AK640GCP 68 ...
Page 70: ...SA AK640GCP 70 ...
Page 76: ...SA AK640GCP 76 ...
Page 84: ...SA AK640GCP 84 ...
Page 89: ...21 Exploded Views 21 1 Cabinet Parts Location SA AK640GCP 89 ...
Page 90: ...SA AK640GCP 90 ...
Page 91: ...21 2 Deck Mechanism Parts Location RAA4502 S SA AK640GCP 91 ...
Page 92: ...21 3 Packaging SA AK640GCP 92 ...