JVC HR-S6950EU Service Manual page 61

www.freeservicemanuals.info
4.5 MAIN (FMA) SCHEMATIC DIAGRAM
0 3 MAIN[FMA]
5
SW5V
TO SW.REG SW12V
GND
TO SYSCON AL5V
4
TO VIDEO/N.AUDIO
2Fsc
LINE_OUT[R]
LINE_OUT[L]
DEC_OUT[R]
DEC_OUT[L]
RF_AUDIO
NA_REC
NA_PB
GND
A.IN1[R]
A.IN1[L]
F.AUDIO[R]
F.AUDIO[L]
A.IN2[R]
A.IN2[L]
3
2
TO TUNER
DEMOD[R]
DEMOD[L]
#DIFFERENCE TABLE
1
RF OUT
YES
NO
A
C2222
0.01
B2221 B2222
SHORT OPEN
Q2201
DTA144WUA
R2220
1k
Q2202
DTC144WUA
LOG_OUT[R]
LOG_OUT[L]
EXT4_IN[R]
D2201
OPEN
Q2203
EXT4_IN[L]
2SC4081/QRS/
R2209
680
C2214 10 /25
LINE_OUT(R)
R2210
4.7k
R2211
LOG_IN[R]
2.7k
GND2
R2213
4.7k
R2212
LOG_IN[L]
2.7k
R2214
680
C2215 10 /25
LINE_OUT(L)
Q2204
2SC4081/QRS/
Vcc2(12V)
R2215
#
R2216
180
1.2k
# C2218 10 /25
RFC_OUT
C2216 C2217 # R2217
47 /16 OPEN 4.7k
# C2219 22 /16
RFC_AGC_DET
C2228 R2234
OPEN 100
C2220 10 /25
NORMAL_OUT
R2218 3.3k C2221 0.022
NORMAL_IN
C2229
OPEN
R2235 680
DEC_OUT[R]
R2219 C2230
1.2k 10 /25
R2237 680
DEC_OUT[L]
C2231
10 /25
R2236 2.7k
IC2201
R2238 2.7k
AN3651FBP
R2230 C2225
47K 1
R2232
47K
R2226
R2228
: Used
1
: Not used
C2218 C2219 R2216 R2217
B C
The Parts Number , value and rated voltage etc. in the Schematic Diagram are for references only.
Note :
When replacing the parts , refer to the Parts List.
C2233 C2232
OPEN OPEN
C2227
10 /16
NR_DET2[L]
/50
C2226
1 /50
R2231 R2233
6.8K 6.8K
R2227 R2229 R2202 R2204
39k 39k 6.8k 6.8k
R2201 47k
R2203 47k
R2205 47k
R2207 47k
27k
27k
Digitized in Heiloo Netherland
D E
4-9 4-10
R2254
10k
R2256
2.2K
Q2254 Q2253 Q2252 Q2251
DTC114EUA DTC144WUA DTC144WUA DTC144WUA
C2209
10 /16
VR2251
QVP0039-103Z
AUDIO REC FM
TP2253
A.PB.FM
C2208 0.015
CCA_OUT(R)
R2253
100
R2257 OPEN
Q2255
DTC114EUA
NOISE_DET
C2259 0.33 /50 L2252 C2258
150µ 180p
PB_FM_IN
R2252 R2251
220 4.7k
D2251
PRE_OUT
1SS133
C2257 0.01
ENV
AFF
C2256 0.01
REC(-)DCF
L2251
C2255 C2254
10µ
0.01 47 /6.3
Vcc(P/R)
K2251
C2253 0.01
CH2
C2261
NQR0007-001X
100p
GND(P/R)
C2262 K2252
NQR0007-001X
100p C2252 0.01
CH1
COM
K2253
C2251 0.01
NQR0007-001X
REC(+)DCF
C2207 0.015
CCA_OUT(L)
C2206 10 /25
NR_REF(L)
TP2254
A.REC_FM
C2205 10 /25
R2222
4.7k R2223
510
C2223
0.047
C2204
33 /6.3
R2206 R2208
6.8k 6.8k
MY
F
3/28/2017
TO SYSCON
S.CASS[H]
ET_REC[H]
I2C_DATA_A/V
I2C_CLK_A/V
A.MUTE[H]
H.REC_ST[H]
PAL_PB[H]
A.ENV/ND[L]
A.FF
TO
VIDEO/N.AUDIO
FMA_CH2
FMA_CH1
FMA_COM
p20281001a_rev0
G H