Sharp FO-2970M Service Manual - Page 72

FO-2970MU D4 D3 6 - 12 A B C D E F G [2] TEL/LIU and Hook SW PWB circuit ZD1 6 RD2.2FB2 MJ1-3 TIP AR1 RA-391P-V6-2 MJ1-4 RING 1 VA1 ERZVA5D471 5 2 L2 R-5C L3 R-5C 1 VA2 ERZVA5D471 2 MJ2-3 EX TIP MJ2-4 EX RING 4 ARG JP2 N.M. L4 R-5C JP3 N.M. L5 R-5C R2 30 R1 91 M1 3 C SW1 B2 HOOK SW C100 0.1 RHS CNHS2-1 DG CNHS2-2 HOOK SW PWB(F3134) 3 ZD2 RD2.2FB2 N.M. JP1 PC1 PC814X R6 4.7(1/2W) C2 2.2 C7 R107 4.7/50 620 C8 4.7/50 L1 EL0909RR-102K-2 M C B CML OUAZ-SH-124DZ C3 0.82/250 R3 22K (1/2W) R7 22K D1 1SS133 A K C5 C104 0.01 0.033 T1 TRTEP17-0411F ZD3 HZ27-A 2 1 PC2 TLP521-BL 1 4 ~+ 2 3 ~- 1 DB1 2 0R5G4B42 ZD7 HZ2C1 ZD6 HZ2C1 DG R108 47K R109 16K C106 560P R112 36K R110 0 3+ 8 1 2- R111 51K 4 IC1 NJM2904D C105 3300P +5VA C111 1 R113 3.3K VREF DG ZD4 MTZJ6.8B R5 15(1/2W) ZD5 1ZC27 R102 10K D G Q1 BS108 R101 13K S R4 15(1/2W) VA3 TNR07G101K C1 10/50 4 PC2 TLP521-BL 3 C102 1000P DG DG 4 PC1 PC814X 3 C101 1000P DG DG CI CNLIUA-5 C110 2200P HS CNLIUA-6 R114 3.3K R118 11K 7 -6 IC1 + 5 NJM2904D N.M. C107 C108 1000P R117 1K C109 1000P DG DG DG C10 10/50 C11 2.2/50 DG R115 1.5K +5VA R116 1.5K TELOUT TX+ VREF Q101 DTC114EK C B C103 2200P TX- RHS E CNLIUA-11 MJTEL-1 MJTEL-4 (1-2B) CNHS1-1 N.M. L7 CNHS1-2 2 JP5 JP6 L8 N.M. RHS CNLIUA-7 (1-3G) DG +24VA +5VA CML +24VA C R106 1K KA B CML CNLIUA-4 VREF D2 1SS133 E Q102 DTC114EK R105 1K DG 1 DG C4 47/50 +24VA CNLIUA-1 +5VA CNLIUA-3 C6 22/50 DG CNLIUA-2 +5VA Q104 DTC114EK DG Q103 2SC2412KR R8 150 C9 4.7/50 DG RX- MJTEL-3 N.M. JP4 L6 C112 2200P RX+ MJTEL-2 N.M. TELIN TEL MUTE CNLIUA-12 CNLIUA-10 A B C D E F G H I 1/1 6 TXOUT CNLIUA-8 RXIN CNLIUA-9 5 4 3 CNLUA 1 +24V 2 DG 3 +5VA 4 CML 5 CI 6 HS 7 RHS 8 TXOUT 9 RXIN 10 TELMUTE 11 TELOUT 12 TELIN CNHS1/2 1 RHS 2 DG H 2 1 I