Aiwa CSD-XD55 Service Manual page 35

IC702 BA5826FP-E2
1
SP–
D.BUFF
2
SP+
LEVEL
D.BUFF
SHIFT
SPIN 3
4
RST
THERMAL
SHUT-DOWN
MONITOR
5
REG–B
REGO 6
MUTE 7
GND 8
DRIVER
MUTE
9
TIN
(TIN) 10
LEVEL
SHIFT
D.BUFF
T– 11
D.BUFF
T+
12
GND 13
OPOUT
14
– TUNER Board –
IC1 TA2149BN
GND1 1
FM RF
FM RF-IN 2
AM
MIX
AM LOW CUT
3
FM
MIX OUT
4
MIX
5
VCC2
AM IF
AF IF-IN
6
FM IF
FM IF-IN 7
GND2 8
AGC
AGC 9
QUAD 10
R-OUT 11
MUTE
12
L-OUT
28
GND
27 SL–
D.BUFF
SL+
26
D.BUFF
LEVEL
SHIFT
25 SLIN
24
(SLIN)
23 VREF
22 VCC
VCC
VCC 21 VCC
20
(FIN)
19 FIN
LEVEL
SHIFT
D.BUFF
F–
18
D.BUFF
17 F+
NC
16
15 OPIN
24
23
22
FM
21
OSC
AM
20
OSC
BUFF
BUFF
1/1 OR
19
LEVEL 1/16
DET
ST
18
IF BUFF
1/8
SW
AM
DET
IF REQ
17
AF BUFF
16
AF
FM
DET
15
ST/MO
FM/AM
14
VCO
DIVIDE
13
DECODE
IC2 LC72137M-TLM-E
FM RF-OUT
CE
1
VCC1
DI
CCB
AM RF-IN
I/F
CL 3
DO 4
FM OSC
AM OSC
OSC-OUT
MUTE 5
ST-IND
6
FM/AM
BAND 7
8
ST-IND
IF-OUT
BAND 9
DET-OUT
MPX- IN
LPF2/MO-ST
LPF1/BAND
UNIVERSAL
COUNTER
10
IF IN
CSD-XD55
REFERENCE
DIVIDER
PHASE
12BITS
DETECTOR
PROGRAMMABLE
CHARGE
DIVIDER
PUMP
UNLOCK
DETECTOR
POWER ON
RESET
SWALLOW
COUNTER
1/2
1/16,1/17
4BITS
20 XOUT
XIN
19
18 LP-OUT
17
LP-IN
PD
16
VSS
15
14 VDD
13 MO/ST
FM IN
12
AM IN
11
35