Block Diagram - Amp/Power Supply Section - Aiwa CX-JN10 Service Manual

CX-JN10
6-3. BLOCK DIAGRAM – AMP/POWER SUPPLY Section –
(EXCEPT AEP, UK)
MIC LEVEL
AGC
Q401
VR401
J401
MIC MIXING
MIC
MIC AMP MIC AMP
IC401 (1/2) IC401 (2/2)
MIC
H
(Page 21)
J602 L
VIDEO/AUX
R-CH
R
19 A-IN
CD
A
(Page 20) 21 B-IN
PB-OUT 6
TU
E
(Page 21) 23 C-IN
PB, REC PB
F
(Page 21) 2 PB1P
REC
28 REC1O
13
LM-L, LM-R,
TM-L, TM-R
(Page 20) D
DATA, CLK,
S-OUT, LCK
G
(Page 21)
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD PLAY
: TUNER (FM/AM)
: TAPE PLAY (DECK-A)
: REC
: AUX IN
: MIC INPUT
RESET,
P-DOWN RESET RESET SWITCH
C
(Page 20)
Q901
P-DOWN
VDD (STBY)
D402
+
7 VOL-IN OUT 18
MUTING
Q181
INPUT SELECT,
ELECTRICAL VOLUME
IC601
MUTING
CONTROL
Q183
LM-L
14 LM-L
LM-R
LOADING/TABLE
15 LM-R
TM-L
MOTOR DRIVE
12 TM-L
TM-R IC672
13 TM-R
2 3 4
• Abbreviation
AUS : Australian model
E51 : Chilean and Peruvian models
+3.3V (CD)
EA : Sausi Arabia model
SP : Singapore model
TW : Taiwan model
RESET SIGNAL
GENERATOR
IC502
D504
+4V
+3.3V REGULATOR
IC501
STANDBY
RECT
SWITCH V-STBY
D091, 092
Q902, 903
(EXCEPT AEP, UK)
R-CH
R-CH
CURRENT
MIRROR
(AEP, UK)
Q105, 107
CASCADE
PRE DRIVE FINAL DRIVE
Q109 (AEP, UK)
Q101, 103 Q121, 123
Q109, 111 (EXCEPT AEP, UK)
BIAS
Q117, 119
R-CH
OVER CURRENT
DETECT
Q281
VDD
VM
D691 – 694
D697
+6.4V (CD)
+4V
+4V REGULATOR CD-VM
IC003
B+ SWITCH
VCC
Q023, 024
TO
POWER AMP
BLOCK
VSS
VF1
TO VF2
FLUORESCENT
INDICATOR TUBE
–VFL
Q041, 043 (EXCEPT AEP, UK)
POWER TRANSFORMER
(SUB)
PT002 (E, EA, E51, SP, TW)
PT011 (AEP, UK, AUS)
22 22
SWITCHING
+VH
Q231
OUTPUT LEVEL
+
DETECT R-CH
Q233, 234
+VL
SWITCHING
–VH
Q232
OUTPUT LEVEL
DETECT
Q235
–VL
+VL
–VL
R-CH
+
TH101, 102
R-CH
OVER LOAD
DETECT
+ THERMAL DETECT
Q129
Q291, 292
+
R-CH
DC DETECT
Q063, 064
HOLD
(EXCEPT AEP, UK)
Q282
VH1, 2 (AC)
+ AC DETECT
D067, 068 VH1, 2 (AC)
+
HOLD PROTECT
Q045, 046 Q047
+
+9V
REGULATOR
IC002
(EXCEPT AEP, UK)
VM1
+9V RECT
REGULATOR D019, 020 (AEP, UK)
VM2
IC001 D019 – 022 (EXCEPT AEP, UK)
(EXCEPT AEP, UK)
(AEP, UK)
VH1
+VH
RECT
VH2
D009
–VH
(AEP, UK)
VL1
+VL
RECT
VL2
D015 – 018
–VL
(EXCEPT AEP, UK)
POWER TRANSFORMER
–27V REGULATOR
(MAIN)
Q043 (AEP, UK)
PT002 (AEP, UK, AUS)
PT004 (E, EA, E51, SP, TW)
RELAY DRIVE
Q022
J221
PHONES
J203
SPEAKER
+
L
–
+
R
–
MUTE, POWER,
HOLD
B
(Page 20)
(E, EA, E51, SP)
S001
VOLTAGE SELECTOR
110 – 120V
220 – 240V
RY001
(AC IN)
(AEP, UK, TW, AUS)