Main(Fma) Schematic Diagram - JVC HR-S5950EU Service Manual

4.3 MAIN (FMA) SCHEMATIC DIAGRAM
0 3 MAIN[FMA]
5
TO SW.REG
SW5V
GND
SW12V
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
FRONT INPUT
YES
NO
#DIFFERENCE TABLE 2
1
RF OUT
YES
NO
#DIFFERENCE TABLE 3
CH+
YES
NO
A
C2222
0.01
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
220
1.2k
# C2218 10 /25
RFC_OUT
C2216 C2217 # R2217
47 /16 0.1 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
R2219
C2229 OPEN
# R2235 680 1.2k
DEC_OUT[R]
# C2230
10 /25
# R2237 680
DEC_OUT[L]
# C2231
10 /25
# R2236 2.7k
# R2238 2.7k
#
R2230 C2225
47k 1
R2232
47k
R2231
6.8k
R2227
39k
R2226 27k
R2228 27k
: Used : Used
: Not used : Not used
#DIFFERENCE TABLE 4
R2203 R2204 R2207 R2208 SECAM/MESECAM Q2255 L2252 C2258
EU/MS
EK
: Used : Used
: Not used #DIFFERENCE TABLE 5 : Not used
C2218 C2219 R2216 R2217 SVHS Q2251-Q2254 R2254 R2256 VR2251
YES 10k(VR)
NO SHORT
: Used
: Not used
C2225 C2226 C2230 C2231
R2235-R2238
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.
C2209
10
C2227
10 /16
AUDIO REC FM
CCA_OUT(R)
NOISE_DET
PB_FM_IN
PRE_OUT
REC(-)DCF
IC2201
AN3651FBP
Vcc(P/R)
GND(P/R)
REC(+)DCF
CCA_OUT(L)
NR_DET2[L] NR_REF(L)
#
R2222
C2226 4.7k
1
R2233
6.8k
C2204
33
#
R2229 R2202 R2204 R2206
39k 6.8k 6.8k 6.8k
R2201 47k
# R2203 47k
R2205 47k
# R2207 47k
TP2254
D E
4-7 4-8
#
R2254
#
10k
R2256
2.2k
# Q2254 # Q2253 # Q2252 # Q2251
DTC114EUA DTC144WUA DTC144WUA DTC144WUA
/16
# VR2251
TP2253
A.PB_FM
C2208 0.015
R2253
100 #
R2257 OPEN
Q2255
DTC114EUA
# #
C2259 0.33 /50 L2252 C2258
150µ 180p
D2251
1SS133
R2252 R2251
1SS270A
220 4.7k
C2257 0.01
ENV
AFF
C2256 0.01
L2251
C2255 C2254
10µ
0.01 47 /6.3
K2251
NQR0007-002X
C2253 0.01
CH2
C2261
OPEN
C2262 K2252
OPEN NQR0007-002X
C2252 0.01
CH1
COM
C2251 0.01 K2253
NQR0007-002X
C2207 0.015
C2206 10 /25
# TP2254
A.REC_FM
C2205 10 /25
R2223
510
C2223
0.047
/6.3
#
R2208
6.8k
F
TO SYSCON
CTL1
ET_REC[H]
I2C_DATA
I2C_CLK
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
p20241001a_rev0.3
G H