Tuner Board - Sony CFD-G555CP Service Manual

– CD/MP3 Board –
IC702 BA5826FP-E2
1
SP–
D.BUFF
2
SP+
LEVEL
D.BUFF
SHIFT
3
SPIN
4
RST
THERMAL
SHUT-DOWN
MONITOR
REG–B 5
6
REGO
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 –
28
GND
27 SL–
D.BUFF AM LOW CUT
26 SL+
D.BUFF
LEVEL
SHIFT
25
SLIN
24 (SLIN)
23
VREF
22 VCC
VCC
21 VCC
VCC
20
(FIN)
19 FIN
LEVEL
SHIFT
D.BUFF
18 F–
D.BUFF
F+
17
16 NC
15 OPIN
CFD-G555CP/G555CPK
IC1 TA2149BN
GND1 1
FM RF
FM RF-IN 2
AM
MIX
3
FM
MIX OUT 4
MIX
VCC2 5
AM IF
AF IF-IN 6
FM IF
FM IF-IN 7
GND2
8
AM
DET
AGC
AGC
9
FM
DET
QUAD 10
ST/MO
R-OUT 11
FM/AM
MUTE
L-OUT 12
IC2 LC72137M-TLM-E
CE 1
DI
CCB
CL 3 I/F
DO 4
MUTE
5
12BITS
PROGRAMMABLE
FM/AM 6
DIVIDER
BAND 7
8
ST-IND
BAND
9
UNIVERSAL
COUNTER
10
IF IN
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
IF REQ 17
AF BUFF
16
AF
15
14
VCO
DIVIDE
13
DECODE
REFERENCE
DIVIDER
PHASE
DETECTOR
CHARGE
PUMP
UNLOCK
DETECTOR
POWER ON
RESET
SWALLOW
COUNTER
1/2
1/16,1/17
4BITS
FM RF-OUT
VCC1
AM RF-IN
FM OSC
AM OSC
OSC-OUT
ST-IND
IF-OUT
DET-OUT
MPX- IN
LPF2/MO-ST
LPF1/BAND
20 XOUT
XIN
19
18
LP-OUT
17 LP-IN
16 PD
15 VSS
14
VDD
MO/ST
13
FM IN
12
11 AM IN
43